Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

Fix typos and docs, trivial changes and RTC devices split

# gpg: Signature made Fri 25 Oct 2019 09:35:02 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  hw/rtc/aspeed_rtc: Remove unused includes
  hw/rtc/xlnx-zynqmp-rtc: Remove unused "ptimer.h" include
  hw/rtc/mc146818: Include mc146818rtc_regs.h a bit less
  hw: Move Aspeed RTC from hw/timer/ to hw/rtc/ subdirectory
  hw: Move Exynos4210 RTC from hw/timer/ to hw/rtc/ subdirectory
  hw: Move Xilinx ZynqMP RTC from hw/timer/ to hw/rtc/ subdirectory
  hw: Move DS1338 device from hw/timer/ to hw/rtc/ subdirectory
  hw: Move TWL92230 device from hw/timer/ to hw/rtc/ subdirectory
  hw: Move sun4v hypervisor RTC from hw/timer/ to hw/rtc/ subdirectory
  hw: Move M41T80 device from hw/timer/ to hw/rtc/ subdirectory
  hw: Move M48T59 device from hw/timer/ to hw/rtc/ subdirectory
  hw: Move MC146818 device from hw/timer/ to hw/rtc/ subdirectory
  hw: Move PL031 device from hw/timer/ to hw/rtc/ subdirectory
  hw/timer: Compile devices not target-dependent as common object
  qemu-timer: reuse MIN macro in qemu_timeout_ns_to_ms
  event_notifier: avoid dandling file descriptor in event_notifier_cleanup
  util/async: avoid useless cast
  pci_bridge: fix a typo in comment
  qemu-options.hx: Update for reboot-timeout parameter

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/timer/trace-events

16 files changed, 13 insertions, 4879 deletions

diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
index eefc95f..a990f9f 100644
--- a/hw/timer/Kconfig
+++ b/hw/timer/Kconfig
@@ -9,10 +9,6 @@ config ARM_MPTIMER
 config A9_GTIMER
     bool
 
-config DS1338
-    bool
-    depends on I2C
-
 config HPET
     bool
     default y if PC
@@ -20,27 +16,10 @@ config HPET
 config I8254
     bool
 
-config M41T80
-    bool
-    depends on I2C
-
-config M48T59
-    bool
-
-config PL031
-    bool
-
-config TWL92230
-    bool
-    depends on I2C
-
 config ALTERA_TIMER
     bool
     select PTIMER
 
-config MC146818RTC
-    bool
-
 config ALLWINNER_A10_PIT
     bool
     select PTIMER
@@ -48,9 +27,6 @@ config ALLWINNER_A10_PIT
 config STM32F2XX_TIMER
     bool
 
-config SUN4V_RTC
-    bool
-
 config CMSDK_APB_TIMER
     bool
     select PTIMER
diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs
index 696cda5..dece235 100644
--- a/hw/timer/Makefile.objs
+++ b/hw/timer/Makefile.objs
@@ -3,17 +3,9 @@ common-obj-$(CONFIG_ARM_MPTIMER) += arm_mptimer.o
 common-obj-$(CONFIG_ARM_V7M) += armv7m_systick.o
 common-obj-$(CONFIG_A9_GTIMER) += a9gtimer.o
 common-obj-$(CONFIG_CADENCE) += cadence_ttc.o
-common-obj-$(CONFIG_DS1338) += ds1338.o
 common-obj-$(CONFIG_HPET) += hpet.o
 common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
-common-obj-$(CONFIG_M41T80) += m41t80.o
-common-obj-$(CONFIG_M48T59) += m48t59.o
-ifeq ($(CONFIG_ISA_BUS),y)
-common-obj-$(CONFIG_M48T59) += m48t59-isa.o
-endif
-common-obj-$(CONFIG_PL031) += pl031.o
 common-obj-$(CONFIG_PUV3) += puv3_ost.o
-common-obj-$(CONFIG_TWL92230) += twl92230.o
 common-obj-$(CONFIG_XILINX) += xilinx_timer.o
 common-obj-$(CONFIG_SLAVIO) += slavio_timer.o
 common-obj-$(CONFIG_ETRAXFS) += etraxfs_timer.o
@@ -22,28 +14,23 @@ common-obj-$(CONFIG_IMX) += imx_epit.o
 common-obj-$(CONFIG_IMX) += imx_gpt.o
 common-obj-$(CONFIG_LM32) += lm32_timer.o
 common-obj-$(CONFIG_MILKYMIST) += milkymist-sysctl.o
-common-obj-$(CONFIG_XLNX_ZYNQMP) += xlnx-zynqmp-rtc.o
 common-obj-$(CONFIG_NRF51_SOC) += nrf51_timer.o
 
-obj-$(CONFIG_ALTERA_TIMER) += altera_timer.o
-obj-$(CONFIG_EXYNOS4) += exynos4210_mct.o
-obj-$(CONFIG_EXYNOS4) += exynos4210_pwm.o
-obj-$(CONFIG_EXYNOS4) += exynos4210_rtc.o
-obj-$(CONFIG_OMAP) += omap_gptimer.o
-obj-$(CONFIG_OMAP) += omap_synctimer.o
-obj-$(CONFIG_PXA2XX) += pxa2xx_timer.o
-obj-$(CONFIG_SH4) += sh_timer.o
-obj-$(CONFIG_DIGIC) += digic-timer.o
-obj-$(CONFIG_MIPS_CPS) += mips_gictimer.o
+common-obj-$(CONFIG_ALTERA_TIMER) += altera_timer.o
+common-obj-$(CONFIG_EXYNOS4) += exynos4210_mct.o
+common-obj-$(CONFIG_EXYNOS4) += exynos4210_pwm.o
+common-obj-$(CONFIG_OMAP) += omap_gptimer.o
+common-obj-$(CONFIG_OMAP) += omap_synctimer.o
+common-obj-$(CONFIG_PXA2XX) += pxa2xx_timer.o
+common-obj-$(CONFIG_SH4) += sh_timer.o
+common-obj-$(CONFIG_DIGIC) += digic-timer.o
+common-obj-$(CONFIG_MIPS_CPS) += mips_gictimer.o
 
-obj-$(CONFIG_MC146818RTC) += mc146818rtc.o
-
-obj-$(CONFIG_ALLWINNER_A10_PIT) += allwinner-a10-pit.o
+common-obj-$(CONFIG_ALLWINNER_A10_PIT) += allwinner-a10-pit.o
 
 common-obj-$(CONFIG_STM32F2XX_TIMER) += stm32f2xx_timer.o
-common-obj-$(CONFIG_ASPEED_SOC) += aspeed_timer.o aspeed_rtc.o
+common-obj-$(CONFIG_ASPEED_SOC) += aspeed_timer.o
 
-common-obj-$(CONFIG_SUN4V_RTC) += sun4v-rtc.o
 common-obj-$(CONFIG_CMSDK_APB_TIMER) += cmsdk-apb-timer.o
 common-obj-$(CONFIG_CMSDK_APB_DUALTIMER) += cmsdk-apb-dualtimer.o
 common-obj-$(CONFIG_MSF2) += mss-timer.o
diff --git a/hw/timer/aspeed_rtc.c b/hw/timer/aspeed_rtc.c
deleted file mode 100644
index 5313017..0000000
--- a/hw/timer/aspeed_rtc.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * ASPEED Real Time Clock
- * Joel Stanley <joel@jms.id.au>
- *
- * Copyright 2019 IBM Corp
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/timer/aspeed_rtc.h"
-#include "migration/vmstate.h"
-#include "qemu/log.h"
-#include "qemu/timer.h"
-
-#include "trace.h"
-
-#define COUNTER1        (0x00 / 4)
-#define COUNTER2        (0x04 / 4)
-#define ALARM           (0x08 / 4)
-#define CONTROL         (0x10 / 4)
-#define ALARM_STATUS    (0x14 / 4)
-
-#define RTC_UNLOCKED    BIT(1)
-#define RTC_ENABLED     BIT(0)
-
-static void aspeed_rtc_calc_offset(AspeedRtcState *rtc)
-{
-    struct tm tm;
-    uint32_t year, cent;
-    uint32_t reg1 = rtc->reg[COUNTER1];
-    uint32_t reg2 = rtc->reg[COUNTER2];
-
-    tm.tm_mday = (reg1 >> 24) & 0x1f;
-    tm.tm_hour = (reg1 >> 16) & 0x1f;
-    tm.tm_min = (reg1 >> 8) & 0x3f;
-    tm.tm_sec = (reg1 >> 0) & 0x3f;
-
-    cent = (reg2 >> 16) & 0x1f;
-    year = (reg2 >> 8) & 0x7f;
-    tm.tm_mon = ((reg2 >>  0) & 0x0f) - 1;
-    tm.tm_year = year + (cent * 100) - 1900;
-
-    rtc->offset = qemu_timedate_diff(&tm);
-}
-
-static uint32_t aspeed_rtc_get_counter(AspeedRtcState *rtc, int r)
-{
-    uint32_t year, cent;
-    struct tm now;
-
-    qemu_get_timedate(&now, rtc->offset);
-
-    switch (r) {
-    case COUNTER1:
-        return (now.tm_mday << 24) | (now.tm_hour << 16) |
-            (now.tm_min << 8) | now.tm_sec;
-    case COUNTER2:
-        cent = (now.tm_year + 1900) / 100;
-        year = now.tm_year % 100;
-        return ((cent & 0x1f) << 16) | ((year & 0x7f) << 8) |
-            ((now.tm_mon + 1) & 0xf);
-    default:
-        g_assert_not_reached();
-    }
-}
-
-static uint64_t aspeed_rtc_read(void *opaque, hwaddr addr,
-                                unsigned size)
-{
-    AspeedRtcState *rtc = opaque;
-    uint64_t val;
-    uint32_t r = addr >> 2;
-
-    switch (r) {
-    case COUNTER1:
-    case COUNTER2:
-        if (rtc->reg[CONTROL] & RTC_ENABLED) {
-            rtc->reg[r] = aspeed_rtc_get_counter(rtc, r);
-        }
-        /* fall through */
-    case CONTROL:
-        val = rtc->reg[r];
-        break;
-    case ALARM:
-    case ALARM_STATUS:
-    default:
-        qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, addr);
-        return 0;
-    }
-
-    trace_aspeed_rtc_read(addr, val);
-
-    return val;
-}
-
-static void aspeed_rtc_write(void *opaque, hwaddr addr,
-                             uint64_t val, unsigned size)
-{
-    AspeedRtcState *rtc = opaque;
-    uint32_t r = addr >> 2;
-
-    switch (r) {
-    case COUNTER1:
-    case COUNTER2:
-        if (!(rtc->reg[CONTROL] & RTC_UNLOCKED)) {
-            break;
-        }
-        /* fall through */
-    case CONTROL:
-        rtc->reg[r] = val;
-        aspeed_rtc_calc_offset(rtc);
-        break;
-    case ALARM:
-    case ALARM_STATUS:
-    default:
-        qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, addr);
-        break;
-    }
-    trace_aspeed_rtc_write(addr, val);
-}
-
-static void aspeed_rtc_reset(DeviceState *d)
-{
-    AspeedRtcState *rtc = ASPEED_RTC(d);
-
-    rtc->offset = 0;
-    memset(rtc->reg, 0, sizeof(rtc->reg));
-}
-
-static const MemoryRegionOps aspeed_rtc_ops = {
-    .read = aspeed_rtc_read,
-    .write = aspeed_rtc_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static const VMStateDescription vmstate_aspeed_rtc = {
-    .name = TYPE_ASPEED_RTC,
-    .version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(reg, AspeedRtcState, 0x18),
-        VMSTATE_INT32(offset, AspeedRtcState),
-        VMSTATE_INT32(offset, AspeedRtcState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void aspeed_rtc_realize(DeviceState *dev, Error **errp)
-{
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-    AspeedRtcState *s = ASPEED_RTC(dev);
-
-    sysbus_init_irq(sbd, &s->irq);
-
-    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_rtc_ops, s,
-                          "aspeed-rtc", 0x18ULL);
-    sysbus_init_mmio(sbd, &s->iomem);
-}
-
-static void aspeed_rtc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = aspeed_rtc_realize;
-    dc->vmsd = &vmstate_aspeed_rtc;
-    dc->reset = aspeed_rtc_reset;
-}
-
-static const TypeInfo aspeed_rtc_info = {
-    .name          = TYPE_ASPEED_RTC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(AspeedRtcState),
-    .class_init    = aspeed_rtc_class_init,
-};
-
-static void aspeed_rtc_register_types(void)
-{
-    type_register_static(&aspeed_rtc_info);
-}
-
-type_init(aspeed_rtc_register_types)
diff --git a/hw/timer/ds1338.c b/hw/timer/ds1338.c
deleted file mode 100644
index 588a9ba..0000000
--- a/hw/timer/ds1338.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * MAXIM DS1338 I2C RTC+NVRAM
- *
- * Copyright (c) 2009 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GNU GPL v2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/i2c/i2c.h"
-#include "migration/vmstate.h"
-#include "qemu/bcd.h"
-#include "qemu/module.h"
-
-/* Size of NVRAM including both the user-accessible area and the
- * secondary register area.
- */
-#define NVRAM_SIZE 64
-
-/* Flags definitions */
-#define SECONDS_CH 0x80
-#define HOURS_12   0x40
-#define HOURS_PM   0x20
-#define CTRL_OSF   0x20
-
-#define TYPE_DS1338 "ds1338"
-#define DS1338(obj) OBJECT_CHECK(DS1338State, (obj), TYPE_DS1338)
-
-typedef struct DS1338State {
-    I2CSlave parent_obj;
-
-    int64_t offset;
-    uint8_t wday_offset;
-    uint8_t nvram[NVRAM_SIZE];
-    int32_t ptr;
-    bool addr_byte;
-} DS1338State;
-
-static const VMStateDescription vmstate_ds1338 = {
-    .name = "ds1338",
-    .version_id = 2,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_I2C_SLAVE(parent_obj, DS1338State),
-        VMSTATE_INT64(offset, DS1338State),
-        VMSTATE_UINT8_V(wday_offset, DS1338State, 2),
-        VMSTATE_UINT8_ARRAY(nvram, DS1338State, NVRAM_SIZE),
-        VMSTATE_INT32(ptr, DS1338State),
-        VMSTATE_BOOL(addr_byte, DS1338State),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void capture_current_time(DS1338State *s)
-{
-    /* Capture the current time into the secondary registers
-     * which will be actually read by the data transfer operation.
-     */
-    struct tm now;
-    qemu_get_timedate(&now, s->offset);
-    s->nvram[0] = to_bcd(now.tm_sec);
-    s->nvram[1] = to_bcd(now.tm_min);
-    if (s->nvram[2] & HOURS_12) {
-        int tmp = now.tm_hour;
-        if (tmp % 12 == 0) {
-            tmp += 12;
-        }
-        if (tmp <= 12) {
-            s->nvram[2] = HOURS_12 | to_bcd(tmp);
-        } else {
-            s->nvram[2] = HOURS_12 | HOURS_PM | to_bcd(tmp - 12);
-        }
-    } else {
-        s->nvram[2] = to_bcd(now.tm_hour);
-    }
-    s->nvram[3] = (now.tm_wday + s->wday_offset) % 7 + 1;
-    s->nvram[4] = to_bcd(now.tm_mday);
-    s->nvram[5] = to_bcd(now.tm_mon + 1);
-    s->nvram[6] = to_bcd(now.tm_year - 100);
-}
-
-static void inc_regptr(DS1338State *s)
-{
-    /* The register pointer wraps around after 0x3F; wraparound
-     * causes the current time/date to be retransferred into
-     * the secondary registers.
-     */
-    s->ptr = (s->ptr + 1) & (NVRAM_SIZE - 1);
-    if (!s->ptr) {
-        capture_current_time(s);
-    }
-}
-
-static int ds1338_event(I2CSlave *i2c, enum i2c_event event)
-{
-    DS1338State *s = DS1338(i2c);
-
-    switch (event) {
-    case I2C_START_RECV:
-        /* In h/w, capture happens on any START condition, not just a
-         * START_RECV, but there is no need to actually capture on
-         * START_SEND, because the guest can't get at that data
-         * without going through a START_RECV which would overwrite it.
-         */
-        capture_current_time(s);
-        break;
-    case I2C_START_SEND:
-        s->addr_byte = true;
-        break;
-    default:
-        break;
-    }
-
-    return 0;
-}
-
-static uint8_t ds1338_recv(I2CSlave *i2c)
-{
-    DS1338State *s = DS1338(i2c);
-    uint8_t res;
-
-    res  = s->nvram[s->ptr];
-    inc_regptr(s);
-    return res;
-}
-
-static int ds1338_send(I2CSlave *i2c, uint8_t data)
-{
-    DS1338State *s = DS1338(i2c);
-
-    if (s->addr_byte) {
-        s->ptr = data & (NVRAM_SIZE - 1);
-        s->addr_byte = false;
-        return 0;
-    }
-    if (s->ptr < 7) {
-        /* Time register. */
-        struct tm now;
-        qemu_get_timedate(&now, s->offset);
-        switch(s->ptr) {
-        case 0:
-            /* TODO: Implement CH (stop) bit.  */
-            now.tm_sec = from_bcd(data & 0x7f);
-            break;
-        case 1:
-            now.tm_min = from_bcd(data & 0x7f);
-            break;
-        case 2:
-            if (data & HOURS_12) {
-                int tmp = from_bcd(data & (HOURS_PM - 1));
-                if (data & HOURS_PM) {
-                    tmp += 12;
-                }
-                if (tmp % 12 == 0) {
-                    tmp -= 12;
-                }
-                now.tm_hour = tmp;
-            } else {
-                now.tm_hour = from_bcd(data & (HOURS_12 - 1));
-            }
-            break;
-        case 3:
-            {
-                /* The day field is supposed to contain a value in
-                   the range 1-7. Otherwise behavior is undefined.
-                 */
-                int user_wday = (data & 7) - 1;
-                s->wday_offset = (user_wday - now.tm_wday + 7) % 7;
-            }
-            break;
-        case 4:
-            now.tm_mday = from_bcd(data & 0x3f);
-            break;
-        case 5:
-            now.tm_mon = from_bcd(data & 0x1f) - 1;
-            break;
-        case 6:
-            now.tm_year = from_bcd(data) + 100;
-            break;
-        }
-        s->offset = qemu_timedate_diff(&now);
-    } else if (s->ptr == 7) {
-        /* Control register. */
-
-        /* Ensure bits 2, 3 and 6 will read back as zero. */
-        data &= 0xB3;
-
-        /* Attempting to write the OSF flag to logic 1 leaves the
-           value unchanged. */
-        data = (data & ~CTRL_OSF) | (data & s->nvram[s->ptr] & CTRL_OSF);
-
-        s->nvram[s->ptr] = data;
-    } else {
-        s->nvram[s->ptr] = data;
-    }
-    inc_regptr(s);
-    return 0;
-}
-
-static void ds1338_reset(DeviceState *dev)
-{
-    DS1338State *s = DS1338(dev);
-
-    /* The clock is running and synchronized with the host */
-    s->offset = 0;
-    s->wday_offset = 0;
-    memset(s->nvram, 0, NVRAM_SIZE);
-    s->ptr = 0;
-    s->addr_byte = false;
-}
-
-static void ds1338_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
-    k->event = ds1338_event;
-    k->recv = ds1338_recv;
-    k->send = ds1338_send;
-    dc->reset = ds1338_reset;
-    dc->vmsd = &vmstate_ds1338;
-}
-
-static const TypeInfo ds1338_info = {
-    .name          = TYPE_DS1338,
-    .parent        = TYPE_I2C_SLAVE,
-    .instance_size = sizeof(DS1338State),
-    .class_init    = ds1338_class_init,
-};
-
-static void ds1338_register_types(void)
-{
-    type_register_static(&ds1338_info);
-}
-
-type_init(ds1338_register_types)
diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c
deleted file mode 100644
index f85483a..0000000
--- a/hw/timer/exynos4210_rtc.c
+++ /dev/null
@@ -1,608 +0,0 @@
-/*
- * Samsung exynos4210 Real Time Clock
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *  Ogurtsov Oleg <o.ogurtsov@samsung.com>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the
- *  Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-/* Description:
- * Register RTCCON:
- *  CLKSEL Bit[1] not used
- *  CLKOUTEN Bit[9] not used
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "hw/sysbus.h"
-#include "migration/vmstate.h"
-#include "qemu/timer.h"
-#include "qemu/bcd.h"
-#include "hw/ptimer.h"
-
-#include "hw/irq.h"
-
-#include "hw/arm/exynos4210.h"
-
-#define DEBUG_RTC 0
-
-#if DEBUG_RTC
-#define DPRINTF(fmt, ...) \
-        do { fprintf(stdout, "RTC: [%24s:%5d] " fmt, __func__, __LINE__, \
-                ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
-
-#define     EXYNOS4210_RTC_REG_MEM_SIZE     0x0100
-
-#define     INTP            0x0030
-#define     RTCCON          0x0040
-#define     TICCNT          0x0044
-#define     RTCALM          0x0050
-#define     ALMSEC          0x0054
-#define     ALMMIN          0x0058
-#define     ALMHOUR         0x005C
-#define     ALMDAY          0x0060
-#define     ALMMON          0x0064
-#define     ALMYEAR         0x0068
-#define     BCDSEC          0x0070
-#define     BCDMIN          0x0074
-#define     BCDHOUR         0x0078
-#define     BCDDAY          0x007C
-#define     BCDDAYWEEK      0x0080
-#define     BCDMON          0x0084
-#define     BCDYEAR         0x0088
-#define     CURTICNT        0x0090
-
-#define     TICK_TIMER_ENABLE   0x0100
-#define     TICNT_THRESHOLD     2
-
-
-#define     RTC_ENABLE          0x0001
-
-#define     INTP_TICK_ENABLE    0x0001
-#define     INTP_ALM_ENABLE     0x0002
-
-#define     ALARM_INT_ENABLE    0x0040
-
-#define     RTC_BASE_FREQ       32768
-
-#define TYPE_EXYNOS4210_RTC "exynos4210.rtc"
-#define EXYNOS4210_RTC(obj) \
-    OBJECT_CHECK(Exynos4210RTCState, (obj), TYPE_EXYNOS4210_RTC)
-
-typedef struct Exynos4210RTCState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-
-    /* registers */
-    uint32_t    reg_intp;
-    uint32_t    reg_rtccon;
-    uint32_t    reg_ticcnt;
-    uint32_t    reg_rtcalm;
-    uint32_t    reg_almsec;
-    uint32_t    reg_almmin;
-    uint32_t    reg_almhour;
-    uint32_t    reg_almday;
-    uint32_t    reg_almmon;
-    uint32_t    reg_almyear;
-    uint32_t    reg_curticcnt;
-
-    ptimer_state    *ptimer;        /* tick timer */
-    ptimer_state    *ptimer_1Hz;    /* clock timer */
-    uint32_t        freq;
-
-    qemu_irq        tick_irq;   /* Time Tick Generator irq */
-    qemu_irq        alm_irq;    /* alarm irq */
-
-    struct tm   current_tm;     /* current time */
-} Exynos4210RTCState;
-
-#define TICCKSEL(value) ((value & (0x0F << 4)) >> 4)
-
-/*** VMState ***/
-static const VMStateDescription vmstate_exynos4210_rtc_state = {
-    .name = "exynos4210.rtc",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(reg_intp, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_rtccon, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_ticcnt, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_rtcalm, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almsec, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almmin, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almhour, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almday, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almmon, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_almyear, Exynos4210RTCState),
-        VMSTATE_UINT32(reg_curticcnt, Exynos4210RTCState),
-        VMSTATE_PTIMER(ptimer, Exynos4210RTCState),
-        VMSTATE_PTIMER(ptimer_1Hz, Exynos4210RTCState),
-        VMSTATE_UINT32(freq, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_sec, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_min, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_hour, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_wday, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_mday, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_mon, Exynos4210RTCState),
-        VMSTATE_INT32(current_tm.tm_year, Exynos4210RTCState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-#define BCD3DIGITS(x) \
-    ((uint32_t)to_bcd((uint8_t)(x % 100)) + \
-    ((uint32_t)to_bcd((uint8_t)((x % 1000) / 100)) << 8))
-
-static void check_alarm_raise(Exynos4210RTCState *s)
-{
-    unsigned int alarm_raise = 0;
-    struct tm stm = s->current_tm;
-
-    if ((s->reg_rtcalm & 0x01) &&
-        (to_bcd((uint8_t)stm.tm_sec) == (uint8_t)s->reg_almsec)) {
-        alarm_raise = 1;
-    }
-    if ((s->reg_rtcalm & 0x02) &&
-        (to_bcd((uint8_t)stm.tm_min) == (uint8_t)s->reg_almmin)) {
-        alarm_raise = 1;
-    }
-    if ((s->reg_rtcalm & 0x04) &&
-        (to_bcd((uint8_t)stm.tm_hour) == (uint8_t)s->reg_almhour)) {
-        alarm_raise = 1;
-    }
-    if ((s->reg_rtcalm & 0x08) &&
-        (to_bcd((uint8_t)stm.tm_mday) == (uint8_t)s->reg_almday)) {
-        alarm_raise = 1;
-    }
-    if ((s->reg_rtcalm & 0x10) &&
-         (to_bcd((uint8_t)stm.tm_mon) == (uint8_t)s->reg_almmon)) {
-        alarm_raise = 1;
-    }
-    if ((s->reg_rtcalm & 0x20) &&
-        (BCD3DIGITS(stm.tm_year) == s->reg_almyear)) {
-        alarm_raise = 1;
-    }
-
-    if (alarm_raise) {
-        DPRINTF("ALARM IRQ\n");
-        /* set irq status */
-        s->reg_intp |= INTP_ALM_ENABLE;
-        qemu_irq_raise(s->alm_irq);
-    }
-}
-
-/*
- * RTC update frequency
- * Parameters:
- *     reg_value - current RTCCON register or his new value
- * Must be called within a ptimer_transaction_begin/commit block for s->ptimer.
- */
-static void exynos4210_rtc_update_freq(Exynos4210RTCState *s,
-                                       uint32_t reg_value)
-{
-    uint32_t freq;
-
-    freq = s->freq;
-    /* set frequncy for time generator */
-    s->freq = RTC_BASE_FREQ / (1 << TICCKSEL(reg_value));
-
-    if (freq != s->freq) {
-        ptimer_set_freq(s->ptimer, s->freq);
-        DPRINTF("freq=%dHz\n", s->freq);
-    }
-}
-
-/* month is between 0 and 11. */
-static int get_days_in_month(int month, int year)
-{
-    static const int days_tab[12] = {
-        31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-    };
-    int d;
-    if ((unsigned)month >= 12) {
-        return 31;
-    }
-    d = days_tab[month];
-    if (month == 1) {
-        if ((year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0)) {
-            d++;
-        }
-    }
-    return d;
-}
-
-/* update 'tm' to the next second */
-static void rtc_next_second(struct tm *tm)
-{
-    int days_in_month;
-
-    tm->tm_sec++;
-    if ((unsigned)tm->tm_sec >= 60) {
-        tm->tm_sec = 0;
-        tm->tm_min++;
-        if ((unsigned)tm->tm_min >= 60) {
-            tm->tm_min = 0;
-            tm->tm_hour++;
-            if ((unsigned)tm->tm_hour >= 24) {
-                tm->tm_hour = 0;
-                /* next day */
-                tm->tm_wday++;
-                if ((unsigned)tm->tm_wday >= 7) {
-                    tm->tm_wday = 0;
-                }
-                days_in_month = get_days_in_month(tm->tm_mon,
-                                                  tm->tm_year + 1900);
-                tm->tm_mday++;
-                if (tm->tm_mday < 1) {
-                    tm->tm_mday = 1;
-                } else if (tm->tm_mday > days_in_month) {
-                    tm->tm_mday = 1;
-                    tm->tm_mon++;
-                    if (tm->tm_mon >= 12) {
-                        tm->tm_mon = 0;
-                        tm->tm_year++;
-                    }
-                }
-            }
-        }
-    }
-}
-
-/*
- * tick handler
- */
-static void exynos4210_rtc_tick(void *opaque)
-{
-    Exynos4210RTCState *s = (Exynos4210RTCState *)opaque;
-
-    DPRINTF("TICK IRQ\n");
-    /* set irq status */
-    s->reg_intp |= INTP_TICK_ENABLE;
-    /* raise IRQ */
-    qemu_irq_raise(s->tick_irq);
-
-    /* restart timer */
-    ptimer_set_count(s->ptimer, s->reg_ticcnt);
-    ptimer_run(s->ptimer, 1);
-}
-
-/*
- * 1Hz clock handler
- */
-static void exynos4210_rtc_1Hz_tick(void *opaque)
-{
-    Exynos4210RTCState *s = (Exynos4210RTCState *)opaque;
-
-    rtc_next_second(&s->current_tm);
-    /* DPRINTF("1Hz tick\n"); */
-
-    /* raise IRQ */
-    if (s->reg_rtcalm & ALARM_INT_ENABLE) {
-        check_alarm_raise(s);
-    }
-
-    ptimer_set_count(s->ptimer_1Hz, RTC_BASE_FREQ);
-    ptimer_run(s->ptimer_1Hz, 1);
-}
-
-/*
- * RTC Read
- */
-static uint64_t exynos4210_rtc_read(void *opaque, hwaddr offset,
-        unsigned size)
-{
-    uint32_t value = 0;
-    Exynos4210RTCState *s = (Exynos4210RTCState *)opaque;
-
-    switch (offset) {
-    case INTP:
-        value = s->reg_intp;
-        break;
-    case RTCCON:
-        value = s->reg_rtccon;
-        break;
-    case TICCNT:
-        value = s->reg_ticcnt;
-        break;
-    case RTCALM:
-        value = s->reg_rtcalm;
-        break;
-    case ALMSEC:
-        value = s->reg_almsec;
-        break;
-    case ALMMIN:
-        value = s->reg_almmin;
-        break;
-    case ALMHOUR:
-        value = s->reg_almhour;
-        break;
-    case ALMDAY:
-        value = s->reg_almday;
-        break;
-    case ALMMON:
-        value = s->reg_almmon;
-        break;
-    case ALMYEAR:
-        value = s->reg_almyear;
-        break;
-
-    case BCDSEC:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_sec);
-        break;
-    case BCDMIN:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_min);
-        break;
-    case BCDHOUR:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_hour);
-        break;
-    case BCDDAYWEEK:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_wday);
-        break;
-    case BCDDAY:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_mday);
-        break;
-    case BCDMON:
-        value = (uint32_t)to_bcd((uint8_t)s->current_tm.tm_mon + 1);
-        break;
-    case BCDYEAR:
-        value = BCD3DIGITS(s->current_tm.tm_year);
-        break;
-
-    case CURTICNT:
-        s->reg_curticcnt = ptimer_get_count(s->ptimer);
-        value = s->reg_curticcnt;
-        break;
-
-    default:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "exynos4210.rtc: bad read offset " TARGET_FMT_plx,
-                      offset);
-        break;
-    }
-    return value;
-}
-
-/*
- * RTC Write
- */
-static void exynos4210_rtc_write(void *opaque, hwaddr offset,
-        uint64_t value, unsigned size)
-{
-    Exynos4210RTCState *s = (Exynos4210RTCState *)opaque;
-
-    switch (offset) {
-    case INTP:
-        if (value & INTP_ALM_ENABLE) {
-            qemu_irq_lower(s->alm_irq);
-            s->reg_intp &= (~INTP_ALM_ENABLE);
-        }
-        if (value & INTP_TICK_ENABLE) {
-            qemu_irq_lower(s->tick_irq);
-            s->reg_intp &= (~INTP_TICK_ENABLE);
-        }
-        break;
-    case RTCCON:
-        ptimer_transaction_begin(s->ptimer_1Hz);
-        ptimer_transaction_begin(s->ptimer);
-        if (value & RTC_ENABLE) {
-            exynos4210_rtc_update_freq(s, value);
-        }
-        if ((value & RTC_ENABLE) > (s->reg_rtccon & RTC_ENABLE)) {
-            /* clock timer */
-            ptimer_set_count(s->ptimer_1Hz, RTC_BASE_FREQ);
-            ptimer_run(s->ptimer_1Hz, 1);
-            DPRINTF("run clock timer\n");
-        }
-        if ((value & RTC_ENABLE) < (s->reg_rtccon & RTC_ENABLE)) {
-            /* tick timer */
-            ptimer_stop(s->ptimer);
-            /* clock timer */
-            ptimer_stop(s->ptimer_1Hz);
-            DPRINTF("stop all timers\n");
-        }
-        if (value & RTC_ENABLE) {
-            if ((value & TICK_TIMER_ENABLE) >
-                (s->reg_rtccon & TICK_TIMER_ENABLE) &&
-                (s->reg_ticcnt)) {
-                ptimer_set_count(s->ptimer, s->reg_ticcnt);
-                ptimer_run(s->ptimer, 1);
-                DPRINTF("run tick timer\n");
-            }
-            if ((value & TICK_TIMER_ENABLE) <
-                (s->reg_rtccon & TICK_TIMER_ENABLE)) {
-                ptimer_stop(s->ptimer);
-            }
-        }
-        ptimer_transaction_commit(s->ptimer_1Hz);
-        ptimer_transaction_commit(s->ptimer);
-        s->reg_rtccon = value;
-        break;
-    case TICCNT:
-        if (value > TICNT_THRESHOLD) {
-            s->reg_ticcnt = value;
-        } else {
-            qemu_log_mask(LOG_GUEST_ERROR,
-                          "exynos4210.rtc: bad TICNT value %u",
-                          (uint32_t)value);
-        }
-        break;
-
-    case RTCALM:
-        s->reg_rtcalm = value;
-        break;
-    case ALMSEC:
-        s->reg_almsec = (value & 0x7f);
-        break;
-    case ALMMIN:
-        s->reg_almmin = (value & 0x7f);
-        break;
-    case ALMHOUR:
-        s->reg_almhour = (value & 0x3f);
-        break;
-    case ALMDAY:
-        s->reg_almday = (value & 0x3f);
-        break;
-    case ALMMON:
-        s->reg_almmon = (value & 0x1f);
-        break;
-    case ALMYEAR:
-        s->reg_almyear = (value & 0x0fff);
-        break;
-
-    case BCDSEC:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_sec = (int)from_bcd((uint8_t)value);
-        }
-        break;
-    case BCDMIN:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_min = (int)from_bcd((uint8_t)value);
-        }
-        break;
-    case BCDHOUR:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_hour = (int)from_bcd((uint8_t)value);
-        }
-        break;
-    case BCDDAYWEEK:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_wday = (int)from_bcd((uint8_t)value);
-        }
-        break;
-    case BCDDAY:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_mday = (int)from_bcd((uint8_t)value);
-        }
-        break;
-    case BCDMON:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            s->current_tm.tm_mon = (int)from_bcd((uint8_t)value) - 1;
-        }
-        break;
-    case BCDYEAR:
-        if (s->reg_rtccon & RTC_ENABLE) {
-            /* 3 digits */
-            s->current_tm.tm_year = (int)from_bcd((uint8_t)value) +
-                    (int)from_bcd((uint8_t)((value >> 8) & 0x0f)) * 100;
-        }
-        break;
-
-    default:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "exynos4210.rtc: bad write offset " TARGET_FMT_plx,
-                      offset);
-        break;
-
-    }
-}
-
-/*
- * Set default values to timer fields and registers
- */
-static void exynos4210_rtc_reset(DeviceState *d)
-{
-    Exynos4210RTCState *s = EXYNOS4210_RTC(d);
-
-    qemu_get_timedate(&s->current_tm, 0);
-
-    DPRINTF("Get time from host: %d-%d-%d %2d:%02d:%02d\n",
-            s->current_tm.tm_year, s->current_tm.tm_mon, s->current_tm.tm_mday,
-            s->current_tm.tm_hour, s->current_tm.tm_min, s->current_tm.tm_sec);
-
-    s->reg_intp = 0;
-    s->reg_rtccon = 0;
-    s->reg_ticcnt = 0;
-    s->reg_rtcalm = 0;
-    s->reg_almsec = 0;
-    s->reg_almmin = 0;
-    s->reg_almhour = 0;
-    s->reg_almday = 0;
-    s->reg_almmon = 0;
-    s->reg_almyear = 0;
-
-    s->reg_curticcnt = 0;
-
-    ptimer_transaction_begin(s->ptimer);
-    exynos4210_rtc_update_freq(s, s->reg_rtccon);
-    ptimer_stop(s->ptimer);
-    ptimer_transaction_commit(s->ptimer);
-    ptimer_transaction_begin(s->ptimer_1Hz);
-    ptimer_stop(s->ptimer_1Hz);
-    ptimer_transaction_commit(s->ptimer_1Hz);
-}
-
-static const MemoryRegionOps exynos4210_rtc_ops = {
-    .read = exynos4210_rtc_read,
-    .write = exynos4210_rtc_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-/*
- * RTC timer initialization
- */
-static void exynos4210_rtc_init(Object *obj)
-{
-    Exynos4210RTCState *s = EXYNOS4210_RTC(obj);
-    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
-
-    s->ptimer = ptimer_init(exynos4210_rtc_tick, s, PTIMER_POLICY_DEFAULT);
-    ptimer_transaction_begin(s->ptimer);
-    ptimer_set_freq(s->ptimer, RTC_BASE_FREQ);
-    exynos4210_rtc_update_freq(s, 0);
-    ptimer_transaction_commit(s->ptimer);
-
-    s->ptimer_1Hz = ptimer_init(exynos4210_rtc_1Hz_tick,
-                                s, PTIMER_POLICY_DEFAULT);
-    ptimer_transaction_begin(s->ptimer_1Hz);
-    ptimer_set_freq(s->ptimer_1Hz, RTC_BASE_FREQ);
-    ptimer_transaction_commit(s->ptimer_1Hz);
-
-    sysbus_init_irq(dev, &s->alm_irq);
-    sysbus_init_irq(dev, &s->tick_irq);
-
-    memory_region_init_io(&s->iomem, obj, &exynos4210_rtc_ops, s,
-                          "exynos4210-rtc", EXYNOS4210_RTC_REG_MEM_SIZE);
-    sysbus_init_mmio(dev, &s->iomem);
-}
-
-static void exynos4210_rtc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->reset = exynos4210_rtc_reset;
-    dc->vmsd = &vmstate_exynos4210_rtc_state;
-}
-
-static const TypeInfo exynos4210_rtc_info = {
-    .name          = TYPE_EXYNOS4210_RTC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(Exynos4210RTCState),
-    .instance_init = exynos4210_rtc_init,
-    .class_init    = exynos4210_rtc_class_init,
-};
-
-static void exynos4210_rtc_register_types(void)
-{
-    type_register_static(&exynos4210_rtc_info);
-}
-
-type_init(exynos4210_rtc_register_types)
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index 1ddae4e..9f17aaa 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -33,7 +33,8 @@
 #include "qemu/timer.h"
 #include "hw/timer/hpet.h"
 #include "hw/sysbus.h"
-#include "hw/timer/mc146818rtc.h"
+#include "hw/rtc/mc146818rtc.h"
+#include "hw/rtc/mc146818rtc_regs.h"
 #include "migration/vmstate.h"
 #include "hw/timer/i8254.h"
 
diff --git a/hw/timer/m41t80.c b/hw/timer/m41t80.c
deleted file mode 100644
index 914ecac..0000000
--- a/hw/timer/m41t80.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * M41T80 serial rtc emulation
- *
- * Copyright (c) 2018 BALATON Zoltan
- *
- * This work is licensed under the GNU GPL license version 2 or later.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "qemu/timer.h"
-#include "qemu/bcd.h"
-#include "hw/i2c/i2c.h"
-
-#define TYPE_M41T80 "m41t80"
-#define M41T80(obj) OBJECT_CHECK(M41t80State, (obj), TYPE_M41T80)
-
-typedef struct M41t80State {
-    I2CSlave parent_obj;
-    int8_t addr;
-} M41t80State;
-
-static void m41t80_realize(DeviceState *dev, Error **errp)
-{
-    M41t80State *s = M41T80(dev);
-
-    s->addr = -1;
-}
-
-static int m41t80_send(I2CSlave *i2c, uint8_t data)
-{
-    M41t80State *s = M41T80(i2c);
-
-    if (s->addr < 0) {
-        s->addr = data;
-    } else {
-        s->addr++;
-    }
-    return 0;
-}
-
-static uint8_t m41t80_recv(I2CSlave *i2c)
-{
-    M41t80State *s = M41T80(i2c);
-    struct tm now;
-    qemu_timeval tv;
-
-    if (s->addr < 0) {
-        s->addr = 0;
-    }
-    if (s->addr >= 1 && s->addr <= 7) {
-        qemu_get_timedate(&now, -1);
-    }
-    switch (s->addr++) {
-    case 0:
-        qemu_gettimeofday(&tv);
-        return to_bcd(tv.tv_usec / 10000);
-    case 1:
-        return to_bcd(now.tm_sec);
-    case 2:
-        return to_bcd(now.tm_min);
-    case 3:
-        return to_bcd(now.tm_hour);
-    case 4:
-        return to_bcd(now.tm_wday);
-    case 5:
-        return to_bcd(now.tm_mday);
-    case 6:
-        return to_bcd(now.tm_mon + 1);
-    case 7:
-        return to_bcd(now.tm_year % 100);
-    case 8 ... 19:
-        qemu_log_mask(LOG_UNIMP, "%s: unimplemented register: %d\n",
-                      __func__, s->addr - 1);
-        return 0;
-    default:
-        qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid register: %d\n",
-                      __func__, s->addr - 1);
-        return 0;
-    }
-}
-
-static int m41t80_event(I2CSlave *i2c, enum i2c_event event)
-{
-    M41t80State *s = M41T80(i2c);
-
-    if (event == I2C_START_SEND) {
-        s->addr = -1;
-    }
-    return 0;
-}
-
-static void m41t80_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
-
-    dc->realize = m41t80_realize;
-    sc->send = m41t80_send;
-    sc->recv = m41t80_recv;
-    sc->event = m41t80_event;
-}
-
-static const TypeInfo m41t80_info = {
-    .name          = TYPE_M41T80,
-    .parent        = TYPE_I2C_SLAVE,
-    .instance_size = sizeof(M41t80State),
-    .class_init    = m41t80_class_init,
-};
-
-static void m41t80_register_types(void)
-{
-    type_register_static(&m41t80_info);
-}
-
-type_init(m41t80_register_types)
diff --git a/hw/timer/m48t59-internal.h b/hw/timer/m48t59-internal.h
deleted file mode 100644
index 4d4f2a6..0000000
--- a/hw/timer/m48t59-internal.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * QEMU M48T59 and M48T08 NVRAM emulation (common header)
- *
- * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
- * Copyright (c) 2013 Hervé Poussineau
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef HW_M48T59_INTERNAL_H
-#define HW_M48T59_INTERNAL_H
-
-#define M48T59_DEBUG 0
-
-#define NVRAM_PRINTF(fmt, ...) do { \
-    if (M48T59_DEBUG) { printf(fmt , ## __VA_ARGS__); } } while (0)
-
-/*
- * The M48T02, M48T08 and M48T59 chips are very similar. The newer '59 has
- * alarm and a watchdog timer and related control registers. In the
- * PPC platform there is also a nvram lock function.
- */
-
-typedef struct M48txxInfo {
-    const char *bus_name;
-    uint32_t model; /* 2 = m48t02, 8 = m48t08, 59 = m48t59 */
-    uint32_t size;
-} M48txxInfo;
-
-typedef struct M48t59State {
-    /* Hardware parameters */
-    qemu_irq IRQ;
-    MemoryRegion iomem;
-    uint32_t size;
-    int32_t base_year;
-    /* RTC management */
-    time_t   time_offset;
-    time_t   stop_time;
-    /* Alarm & watchdog */
-    struct tm alarm;
-    QEMUTimer *alrm_timer;
-    QEMUTimer *wd_timer;
-    /* NVRAM storage */
-    uint8_t *buffer;
-    /* Model parameters */
-    uint32_t model; /* 2 = m48t02, 8 = m48t08, 59 = m48t59 */
-    /* NVRAM storage */
-    uint16_t addr;
-    uint8_t  lock;
-} M48t59State;
-
-uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr);
-void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val);
-void m48t59_reset_common(M48t59State *NVRAM);
-void m48t59_realize_common(M48t59State *s, Error **errp);
-
-static inline void m48t59_toggle_lock(M48t59State *NVRAM, int lock)
-{
-    NVRAM->lock ^= 1 << lock;
-}
-
-extern const MemoryRegionOps m48t59_io_ops;
-
-#endif /* HW_M48T59_INTERNAL_H */
diff --git a/hw/timer/m48t59-isa.c b/hw/timer/m48t59-isa.c
deleted file mode 100644
index 5e5432a..0000000
--- a/hw/timer/m48t59-isa.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * QEMU M48T59 and M48T08 NVRAM emulation (ISA bus interface
- *
- * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
- * Copyright (c) 2013 Hervé Poussineau
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "hw/isa/isa.h"
-#include "hw/qdev-properties.h"
-#include "hw/timer/m48t59.h"
-#include "m48t59-internal.h"
-#include "qemu/module.h"
-
-#define TYPE_M48TXX_ISA "isa-m48txx"
-#define M48TXX_ISA_GET_CLASS(obj) \
-    OBJECT_GET_CLASS(M48txxISADeviceClass, (obj), TYPE_M48TXX_ISA)
-#define M48TXX_ISA_CLASS(klass) \
-    OBJECT_CLASS_CHECK(M48txxISADeviceClass, (klass), TYPE_M48TXX_ISA)
-#define M48TXX_ISA(obj) \
-    OBJECT_CHECK(M48txxISAState, (obj), TYPE_M48TXX_ISA)
-
-typedef struct M48txxISAState {
-    ISADevice parent_obj;
-    M48t59State state;
-    uint32_t io_base;
-    MemoryRegion io;
-} M48txxISAState;
-
-typedef struct M48txxISADeviceClass {
-    ISADeviceClass parent_class;
-    M48txxInfo info;
-} M48txxISADeviceClass;
-
-static M48txxInfo m48txx_isa_info[] = {
-    {
-        .bus_name = "isa-m48t59",
-        .model = 59,
-        .size = 0x2000,
-    }
-};
-
-Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
-                       int base_year, int model)
-{
-    DeviceState *dev;
-    int i;
-
-    for (i = 0; i < ARRAY_SIZE(m48txx_isa_info); i++) {
-        if (m48txx_isa_info[i].size != size ||
-            m48txx_isa_info[i].model != model) {
-            continue;
-        }
-
-        dev = DEVICE(isa_create(bus, m48txx_isa_info[i].bus_name));
-        qdev_prop_set_uint32(dev, "iobase", io_base);
-        qdev_prop_set_int32(dev, "base-year", base_year);
-        qdev_init_nofail(dev);
-        return NVRAM(dev);
-    }
-
-    assert(false);
-    return NULL;
-}
-
-static uint32_t m48txx_isa_read(Nvram *obj, uint32_t addr)
-{
-    M48txxISAState *d = M48TXX_ISA(obj);
-    return m48t59_read(&d->state, addr);
-}
-
-static void m48txx_isa_write(Nvram *obj, uint32_t addr, uint32_t val)
-{
-    M48txxISAState *d = M48TXX_ISA(obj);
-    m48t59_write(&d->state, addr, val);
-}
-
-static void m48txx_isa_toggle_lock(Nvram *obj, int lock)
-{
-    M48txxISAState *d = M48TXX_ISA(obj);
-    m48t59_toggle_lock(&d->state, lock);
-}
-
-static Property m48t59_isa_properties[] = {
-    DEFINE_PROP_INT32("base-year", M48txxISAState, state.base_year, 0),
-    DEFINE_PROP_UINT32("iobase", M48txxISAState, io_base, 0x74),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void m48t59_reset_isa(DeviceState *d)
-{
-    M48txxISAState *isa = M48TXX_ISA(d);
-    M48t59State *NVRAM = &isa->state;
-
-    m48t59_reset_common(NVRAM);
-}
-
-static void m48t59_isa_realize(DeviceState *dev, Error **errp)
-{
-    M48txxISADeviceClass *u = M48TXX_ISA_GET_CLASS(dev);
-    ISADevice *isadev = ISA_DEVICE(dev);
-    M48txxISAState *d = M48TXX_ISA(dev);
-    M48t59State *s = &d->state;
-
-    s->model = u->info.model;
-    s->size = u->info.size;
-    isa_init_irq(isadev, &s->IRQ, 8);
-    m48t59_realize_common(s, errp);
-    memory_region_init_io(&d->io, OBJECT(dev), &m48t59_io_ops, s, "m48t59", 4);
-    if (d->io_base != 0) {
-        isa_register_ioport(isadev, &d->io, d->io_base);
-    }
-}
-
-static void m48txx_isa_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    NvramClass *nc = NVRAM_CLASS(klass);
-
-    dc->realize = m48t59_isa_realize;
-    dc->reset = m48t59_reset_isa;
-    dc->props = m48t59_isa_properties;
-    nc->read = m48txx_isa_read;
-    nc->write = m48txx_isa_write;
-    nc->toggle_lock = m48txx_isa_toggle_lock;
-}
-
-static void m48txx_isa_concrete_class_init(ObjectClass *klass, void *data)
-{
-    M48txxISADeviceClass *u = M48TXX_ISA_CLASS(klass);
-    M48txxInfo *info = data;
-
-    u->info = *info;
-}
-
-static const TypeInfo m48txx_isa_type_info = {
-    .name = TYPE_M48TXX_ISA,
-    .parent = TYPE_ISA_DEVICE,
-    .instance_size = sizeof(M48txxISAState),
-    .abstract = true,
-    .class_init = m48txx_isa_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_NVRAM },
-        { }
-    }
-};
-
-static void m48t59_isa_register_types(void)
-{
-    TypeInfo isa_type_info = {
-        .parent = TYPE_M48TXX_ISA,
-        .class_size = sizeof(M48txxISADeviceClass),
-        .class_init = m48txx_isa_concrete_class_init,
-    };
-    int i;
-
-    type_register_static(&m48txx_isa_type_info);
-
-    for (i = 0; i < ARRAY_SIZE(m48txx_isa_info); i++) {
-        isa_type_info.name = m48txx_isa_info[i].bus_name;
-        isa_type_info.class_data = &m48txx_isa_info[i];
-        type_register(&isa_type_info);
-    }
-}
-
-type_init(m48t59_isa_register_types)
diff --git a/hw/timer/m48t59.c b/hw/timer/m48t59.c
deleted file mode 100644
index a9fc2f9..0000000
--- a/hw/timer/m48t59.c
+++ /dev/null
@@ -1,723 +0,0 @@
-/*
- * QEMU M48T59 and M48T08 NVRAM emulation for PPC PREP and Sparc platforms
- *
- * Copyright (c) 2003-2005, 2007, 2017 Jocelyn Mayer
- * Copyright (c) 2013 Hervé Poussineau
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "hw/timer/m48t59.h"
-#include "qemu/timer.h"
-#include "sysemu/runstate.h"
-#include "sysemu/sysemu.h"
-#include "hw/sysbus.h"
-#include "exec/address-spaces.h"
-#include "qemu/bcd.h"
-#include "qemu/module.h"
-
-#include "m48t59-internal.h"
-#include "migration/vmstate.h"
-
-#define TYPE_M48TXX_SYS_BUS "sysbus-m48txx"
-#define M48TXX_SYS_BUS_GET_CLASS(obj) \
-    OBJECT_GET_CLASS(M48txxSysBusDeviceClass, (obj), TYPE_M48TXX_SYS_BUS)
-#define M48TXX_SYS_BUS_CLASS(klass) \
-    OBJECT_CLASS_CHECK(M48txxSysBusDeviceClass, (klass), TYPE_M48TXX_SYS_BUS)
-#define M48TXX_SYS_BUS(obj) \
-    OBJECT_CHECK(M48txxSysBusState, (obj), TYPE_M48TXX_SYS_BUS)
-
-/*
- * Chipset docs:
- * http://www.st.com/stonline/products/literature/ds/2410/m48t02.pdf
- * http://www.st.com/stonline/products/literature/ds/2411/m48t08.pdf
- * http://www.st.com/stonline/products/literature/od/7001/m48t59y.pdf
- */
-
-typedef struct M48txxSysBusState {
-    SysBusDevice parent_obj;
-    M48t59State state;
-    MemoryRegion io;
-} M48txxSysBusState;
-
-typedef struct M48txxSysBusDeviceClass {
-    SysBusDeviceClass parent_class;
-    M48txxInfo info;
-} M48txxSysBusDeviceClass;
-
-static M48txxInfo m48txx_sysbus_info[] = {
-    {
-        .bus_name = "sysbus-m48t02",
-        .model = 2,
-        .size = 0x800,
-    },{
-        .bus_name = "sysbus-m48t08",
-        .model = 8,
-        .size = 0x2000,
-    },{
-        .bus_name = "sysbus-m48t59",
-        .model = 59,
-        .size = 0x2000,
-    }
-};
-
-
-/* Fake timer functions */
-
-/* Alarm management */
-static void alarm_cb (void *opaque)
-{
-    struct tm tm;
-    uint64_t next_time;
-    M48t59State *NVRAM = opaque;
-
-    qemu_set_irq(NVRAM->IRQ, 1);
-    if ((NVRAM->buffer[0x1FF5] & 0x80) == 0 &&
-	(NVRAM->buffer[0x1FF4] & 0x80) == 0 &&
-	(NVRAM->buffer[0x1FF3] & 0x80) == 0 &&
-	(NVRAM->buffer[0x1FF2] & 0x80) == 0) {
-        /* Repeat once a month */
-        qemu_get_timedate(&tm, NVRAM->time_offset);
-        tm.tm_mon++;
-        if (tm.tm_mon == 13) {
-            tm.tm_mon = 1;
-            tm.tm_year++;
-        }
-        next_time = qemu_timedate_diff(&tm) - NVRAM->time_offset;
-    } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF4] & 0x80) == 0 &&
-	       (NVRAM->buffer[0x1FF3] & 0x80) == 0 &&
-	       (NVRAM->buffer[0x1FF2] & 0x80) == 0) {
-        /* Repeat once a day */
-        next_time = 24 * 60 * 60;
-    } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF4] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF3] & 0x80) == 0 &&
-	       (NVRAM->buffer[0x1FF2] & 0x80) == 0) {
-        /* Repeat once an hour */
-        next_time = 60 * 60;
-    } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF4] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF3] & 0x80) != 0 &&
-	       (NVRAM->buffer[0x1FF2] & 0x80) == 0) {
-        /* Repeat once a minute */
-        next_time = 60;
-    } else {
-        /* Repeat once a second */
-        next_time = 1;
-    }
-    timer_mod(NVRAM->alrm_timer, qemu_clock_get_ns(rtc_clock) +
-                    next_time * 1000);
-    qemu_set_irq(NVRAM->IRQ, 0);
-}
-
-static void set_alarm(M48t59State *NVRAM)
-{
-    int diff;
-    if (NVRAM->alrm_timer != NULL) {
-        timer_del(NVRAM->alrm_timer);
-        diff = qemu_timedate_diff(&NVRAM->alarm) - NVRAM->time_offset;
-        if (diff > 0)
-            timer_mod(NVRAM->alrm_timer, diff * 1000);
-    }
-}
-
-/* RTC management helpers */
-static inline void get_time(M48t59State *NVRAM, struct tm *tm)
-{
-    qemu_get_timedate(tm, NVRAM->time_offset);
-}
-
-static void set_time(M48t59State *NVRAM, struct tm *tm)
-{
-    NVRAM->time_offset = qemu_timedate_diff(tm);
-    set_alarm(NVRAM);
-}
-
-/* Watchdog management */
-static void watchdog_cb (void *opaque)
-{
-    M48t59State *NVRAM = opaque;
-
-    NVRAM->buffer[0x1FF0] |= 0x80;
-    if (NVRAM->buffer[0x1FF7] & 0x80) {
-	NVRAM->buffer[0x1FF7] = 0x00;
-	NVRAM->buffer[0x1FFC] &= ~0x40;
-        /* May it be a hw CPU Reset instead ? */
-        qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
-    } else {
-	qemu_set_irq(NVRAM->IRQ, 1);
-	qemu_set_irq(NVRAM->IRQ, 0);
-    }
-}
-
-static void set_up_watchdog(M48t59State *NVRAM, uint8_t value)
-{
-    uint64_t interval; /* in 1/16 seconds */
-
-    NVRAM->buffer[0x1FF0] &= ~0x80;
-    if (NVRAM->wd_timer != NULL) {
-        timer_del(NVRAM->wd_timer);
-        if (value != 0) {
-            interval = (1 << (2 * (value & 0x03))) * ((value >> 2) & 0x1F);
-            timer_mod(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) +
-                           ((interval * 1000) >> 4));
-        }
-    }
-}
-
-/* Direct access to NVRAM */
-void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val)
-{
-    struct tm tm;
-    int tmp;
-
-    if (addr > 0x1FF8 && addr < 0x2000)
-	NVRAM_PRINTF("%s: 0x%08x => 0x%08x\n", __func__, addr, val);
-
-    /* check for NVRAM access */
-    if ((NVRAM->model == 2 && addr < 0x7f8) ||
-        (NVRAM->model == 8 && addr < 0x1ff8) ||
-        (NVRAM->model == 59 && addr < 0x1ff0)) {
-        goto do_write;
-    }
-
-    /* TOD access */
-    switch (addr) {
-    case 0x1FF0:
-        /* flags register : read-only */
-        break;
-    case 0x1FF1:
-        /* unused */
-        break;
-    case 0x1FF2:
-        /* alarm seconds */
-        tmp = from_bcd(val & 0x7F);
-        if (tmp >= 0 && tmp <= 59) {
-            NVRAM->alarm.tm_sec = tmp;
-            NVRAM->buffer[0x1FF2] = val;
-            set_alarm(NVRAM);
-        }
-        break;
-    case 0x1FF3:
-        /* alarm minutes */
-        tmp = from_bcd(val & 0x7F);
-        if (tmp >= 0 && tmp <= 59) {
-            NVRAM->alarm.tm_min = tmp;
-            NVRAM->buffer[0x1FF3] = val;
-            set_alarm(NVRAM);
-        }
-        break;
-    case 0x1FF4:
-        /* alarm hours */
-        tmp = from_bcd(val & 0x3F);
-        if (tmp >= 0 && tmp <= 23) {
-            NVRAM->alarm.tm_hour = tmp;
-            NVRAM->buffer[0x1FF4] = val;
-            set_alarm(NVRAM);
-        }
-        break;
-    case 0x1FF5:
-        /* alarm date */
-        tmp = from_bcd(val & 0x3F);
-        if (tmp != 0) {
-            NVRAM->alarm.tm_mday = tmp;
-            NVRAM->buffer[0x1FF5] = val;
-            set_alarm(NVRAM);
-        }
-        break;
-    case 0x1FF6:
-        /* interrupts */
-        NVRAM->buffer[0x1FF6] = val;
-        break;
-    case 0x1FF7:
-        /* watchdog */
-        NVRAM->buffer[0x1FF7] = val;
-        set_up_watchdog(NVRAM, val);
-        break;
-    case 0x1FF8:
-    case 0x07F8:
-        /* control */
-       NVRAM->buffer[addr] = (val & ~0xA0) | 0x90;
-        break;
-    case 0x1FF9:
-    case 0x07F9:
-        /* seconds (BCD) */
-	tmp = from_bcd(val & 0x7F);
-	if (tmp >= 0 && tmp <= 59) {
-	    get_time(NVRAM, &tm);
-	    tm.tm_sec = tmp;
-	    set_time(NVRAM, &tm);
-	}
-        if ((val & 0x80) ^ (NVRAM->buffer[addr] & 0x80)) {
-	    if (val & 0x80) {
-		NVRAM->stop_time = time(NULL);
-	    } else {
-		NVRAM->time_offset += NVRAM->stop_time - time(NULL);
-		NVRAM->stop_time = 0;
-	    }
-	}
-        NVRAM->buffer[addr] = val & 0x80;
-        break;
-    case 0x1FFA:
-    case 0x07FA:
-        /* minutes (BCD) */
-	tmp = from_bcd(val & 0x7F);
-	if (tmp >= 0 && tmp <= 59) {
-	    get_time(NVRAM, &tm);
-	    tm.tm_min = tmp;
-	    set_time(NVRAM, &tm);
-	}
-        break;
-    case 0x1FFB:
-    case 0x07FB:
-        /* hours (BCD) */
-	tmp = from_bcd(val & 0x3F);
-	if (tmp >= 0 && tmp <= 23) {
-	    get_time(NVRAM, &tm);
-	    tm.tm_hour = tmp;
-	    set_time(NVRAM, &tm);
-	}
-        break;
-    case 0x1FFC:
-    case 0x07FC:
-        /* day of the week / century */
-	tmp = from_bcd(val & 0x07);
-	get_time(NVRAM, &tm);
-	tm.tm_wday = tmp;
-	set_time(NVRAM, &tm);
-        NVRAM->buffer[addr] = val & 0x40;
-        break;
-    case 0x1FFD:
-    case 0x07FD:
-        /* date (BCD) */
-       tmp = from_bcd(val & 0x3F);
-	if (tmp != 0) {
-	    get_time(NVRAM, &tm);
-	    tm.tm_mday = tmp;
-	    set_time(NVRAM, &tm);
-	}
-        break;
-    case 0x1FFE:
-    case 0x07FE:
-        /* month */
-	tmp = from_bcd(val & 0x1F);
-	if (tmp >= 1 && tmp <= 12) {
-	    get_time(NVRAM, &tm);
-	    tm.tm_mon = tmp - 1;
-	    set_time(NVRAM, &tm);
-	}
-        break;
-    case 0x1FFF:
-    case 0x07FF:
-        /* year */
-	tmp = from_bcd(val);
-	if (tmp >= 0 && tmp <= 99) {
-	    get_time(NVRAM, &tm);
-            tm.tm_year = from_bcd(val) + NVRAM->base_year - 1900;
-	    set_time(NVRAM, &tm);
-	}
-        break;
-    default:
-        /* Check lock registers state */
-        if (addr >= 0x20 && addr <= 0x2F && (NVRAM->lock & 1))
-            break;
-        if (addr >= 0x30 && addr <= 0x3F && (NVRAM->lock & 2))
-            break;
-    do_write:
-        if (addr < NVRAM->size) {
-            NVRAM->buffer[addr] = val & 0xFF;
-	}
-        break;
-    }
-}
-
-uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr)
-{
-    struct tm tm;
-    uint32_t retval = 0xFF;
-
-    /* check for NVRAM access */
-    if ((NVRAM->model == 2 && addr < 0x078f) ||
-        (NVRAM->model == 8 && addr < 0x1ff8) ||
-        (NVRAM->model == 59 && addr < 0x1ff0)) {
-        goto do_read;
-    }
-
-    /* TOD access */
-    switch (addr) {
-    case 0x1FF0:
-        /* flags register */
-	goto do_read;
-    case 0x1FF1:
-        /* unused */
-	retval = 0;
-        break;
-    case 0x1FF2:
-        /* alarm seconds */
-	goto do_read;
-    case 0x1FF3:
-        /* alarm minutes */
-	goto do_read;
-    case 0x1FF4:
-        /* alarm hours */
-	goto do_read;
-    case 0x1FF5:
-        /* alarm date */
-	goto do_read;
-    case 0x1FF6:
-        /* interrupts */
-	goto do_read;
-    case 0x1FF7:
-	/* A read resets the watchdog */
-	set_up_watchdog(NVRAM, NVRAM->buffer[0x1FF7]);
-	goto do_read;
-    case 0x1FF8:
-    case 0x07F8:
-        /* control */
-	goto do_read;
-    case 0x1FF9:
-    case 0x07F9:
-        /* seconds (BCD) */
-        get_time(NVRAM, &tm);
-        retval = (NVRAM->buffer[addr] & 0x80) | to_bcd(tm.tm_sec);
-        break;
-    case 0x1FFA:
-    case 0x07FA:
-        /* minutes (BCD) */
-        get_time(NVRAM, &tm);
-        retval = to_bcd(tm.tm_min);
-        break;
-    case 0x1FFB:
-    case 0x07FB:
-        /* hours (BCD) */
-        get_time(NVRAM, &tm);
-        retval = to_bcd(tm.tm_hour);
-        break;
-    case 0x1FFC:
-    case 0x07FC:
-        /* day of the week / century */
-        get_time(NVRAM, &tm);
-        retval = NVRAM->buffer[addr] | tm.tm_wday;
-        break;
-    case 0x1FFD:
-    case 0x07FD:
-        /* date */
-        get_time(NVRAM, &tm);
-        retval = to_bcd(tm.tm_mday);
-        break;
-    case 0x1FFE:
-    case 0x07FE:
-        /* month */
-        get_time(NVRAM, &tm);
-        retval = to_bcd(tm.tm_mon + 1);
-        break;
-    case 0x1FFF:
-    case 0x07FF:
-        /* year */
-        get_time(NVRAM, &tm);
-        retval = to_bcd((tm.tm_year + 1900 - NVRAM->base_year) % 100);
-        break;
-    default:
-        /* Check lock registers state */
-        if (addr >= 0x20 && addr <= 0x2F && (NVRAM->lock & 1))
-            break;
-        if (addr >= 0x30 && addr <= 0x3F && (NVRAM->lock & 2))
-            break;
-    do_read:
-        if (addr < NVRAM->size) {
-            retval = NVRAM->buffer[addr];
-	}
-        break;
-    }
-    if (addr > 0x1FF9 && addr < 0x2000)
-       NVRAM_PRINTF("%s: 0x%08x <= 0x%08x\n", __func__, addr, retval);
-
-    return retval;
-}
-
-/* IO access to NVRAM */
-static void NVRAM_writeb(void *opaque, hwaddr addr, uint64_t val,
-                         unsigned size)
-{
-    M48t59State *NVRAM = opaque;
-
-    NVRAM_PRINTF("%s: 0x%"HWADDR_PRIx" => 0x%"PRIx64"\n", __func__, addr, val);
-    switch (addr) {
-    case 0:
-        NVRAM->addr &= ~0x00FF;
-        NVRAM->addr |= val;
-        break;
-    case 1:
-        NVRAM->addr &= ~0xFF00;
-        NVRAM->addr |= val << 8;
-        break;
-    case 3:
-        m48t59_write(NVRAM, NVRAM->addr, val);
-        NVRAM->addr = 0x0000;
-        break;
-    default:
-        break;
-    }
-}
-
-static uint64_t NVRAM_readb(void *opaque, hwaddr addr, unsigned size)
-{
-    M48t59State *NVRAM = opaque;
-    uint32_t retval;
-
-    switch (addr) {
-    case 3:
-        retval = m48t59_read(NVRAM, NVRAM->addr);
-        break;
-    default:
-        retval = -1;
-        break;
-    }
-    NVRAM_PRINTF("%s: 0x%"HWADDR_PRIx" <= 0x%08x\n", __func__, addr, retval);
-
-    return retval;
-}
-
-static uint64_t nvram_read(void *opaque, hwaddr addr, unsigned size)
-{
-    M48t59State *NVRAM = opaque;
-
-    return m48t59_read(NVRAM, addr);
-}
-
-static void nvram_write(void *opaque, hwaddr addr, uint64_t value,
-                        unsigned size)
-{
-    M48t59State *NVRAM = opaque;
-
-    return m48t59_write(NVRAM, addr, value);
-}
-
-static const MemoryRegionOps nvram_ops = {
-    .read = nvram_read,
-    .write = nvram_write,
-    .impl.min_access_size = 1,
-    .impl.max_access_size = 1,
-    .valid.min_access_size = 1,
-    .valid.max_access_size = 4,
-    .endianness = DEVICE_BIG_ENDIAN,
-};
-
-static const VMStateDescription vmstate_m48t59 = {
-    .name = "m48t59",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT8(lock, M48t59State),
-        VMSTATE_UINT16(addr, M48t59State),
-        VMSTATE_VBUFFER_UINT32(buffer, M48t59State, 0, NULL, size),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-void m48t59_reset_common(M48t59State *NVRAM)
-{
-    NVRAM->addr = 0;
-    NVRAM->lock = 0;
-    if (NVRAM->alrm_timer != NULL)
-        timer_del(NVRAM->alrm_timer);
-
-    if (NVRAM->wd_timer != NULL)
-        timer_del(NVRAM->wd_timer);
-}
-
-static void m48t59_reset_sysbus(DeviceState *d)
-{
-    M48txxSysBusState *sys = M48TXX_SYS_BUS(d);
-    M48t59State *NVRAM = &sys->state;
-
-    m48t59_reset_common(NVRAM);
-}
-
-const MemoryRegionOps m48t59_io_ops = {
-    .read = NVRAM_readb,
-    .write = NVRAM_writeb,
-    .impl = {
-        .min_access_size = 1,
-        .max_access_size = 1,
-    },
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-/* Initialisation routine */
-Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
-                   uint32_t io_base, uint16_t size, int base_year,
-                   int model)
-{
-    DeviceState *dev;
-    SysBusDevice *s;
-    int i;
-
-    for (i = 0; i < ARRAY_SIZE(m48txx_sysbus_info); i++) {
-        if (m48txx_sysbus_info[i].size != size ||
-            m48txx_sysbus_info[i].model != model) {
-            continue;
-        }
-
-        dev = qdev_create(NULL, m48txx_sysbus_info[i].bus_name);
-        qdev_prop_set_int32(dev, "base-year", base_year);
-        qdev_init_nofail(dev);
-        s = SYS_BUS_DEVICE(dev);
-        sysbus_connect_irq(s, 0, IRQ);
-        if (io_base != 0) {
-            memory_region_add_subregion(get_system_io(), io_base,
-                                        sysbus_mmio_get_region(s, 1));
-        }
-        if (mem_base != 0) {
-            sysbus_mmio_map(s, 0, mem_base);
-        }
-
-        return NVRAM(s);
-    }
-
-    assert(false);
-    return NULL;
-}
-
-void m48t59_realize_common(M48t59State *s, Error **errp)
-{
-    s->buffer = g_malloc0(s->size);
-    if (s->model == 59) {
-        s->alrm_timer = timer_new_ns(rtc_clock, &alarm_cb, s);
-        s->wd_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &watchdog_cb, s);
-    }
-    qemu_get_timedate(&s->alarm, 0);
-}
-
-static void m48t59_init1(Object *obj)
-{
-    M48txxSysBusDeviceClass *u = M48TXX_SYS_BUS_GET_CLASS(obj);
-    M48txxSysBusState *d = M48TXX_SYS_BUS(obj);
-    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
-    M48t59State *s = &d->state;
-
-    s->model = u->info.model;
-    s->size = u->info.size;
-    sysbus_init_irq(dev, &s->IRQ);
-
-    memory_region_init_io(&s->iomem, obj, &nvram_ops, s, "m48t59.nvram",
-                          s->size);
-    memory_region_init_io(&d->io, obj, &m48t59_io_ops, s, "m48t59", 4);
-}
-
-static void m48t59_realize(DeviceState *dev, Error **errp)
-{
-    M48txxSysBusState *d = M48TXX_SYS_BUS(dev);
-    M48t59State *s = &d->state;
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-
-    sysbus_init_mmio(sbd, &s->iomem);
-    sysbus_init_mmio(sbd, &d->io);
-    m48t59_realize_common(s, errp);
-}
-
-static uint32_t m48txx_sysbus_read(Nvram *obj, uint32_t addr)
-{
-    M48txxSysBusState *d = M48TXX_SYS_BUS(obj);
-    return m48t59_read(&d->state, addr);
-}
-
-static void m48txx_sysbus_write(Nvram *obj, uint32_t addr, uint32_t val)
-{
-    M48txxSysBusState *d = M48TXX_SYS_BUS(obj);
-    m48t59_write(&d->state, addr, val);
-}
-
-static void m48txx_sysbus_toggle_lock(Nvram *obj, int lock)
-{
-    M48txxSysBusState *d = M48TXX_SYS_BUS(obj);
-    m48t59_toggle_lock(&d->state, lock);
-}
-
-static Property m48t59_sysbus_properties[] = {
-    DEFINE_PROP_INT32("base-year", M48txxSysBusState, state.base_year, 0),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void m48txx_sysbus_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    NvramClass *nc = NVRAM_CLASS(klass);
-
-    dc->realize = m48t59_realize;
-    dc->reset = m48t59_reset_sysbus;
-    dc->props = m48t59_sysbus_properties;
-    dc->vmsd = &vmstate_m48t59;
-    nc->read = m48txx_sysbus_read;
-    nc->write = m48txx_sysbus_write;
-    nc->toggle_lock = m48txx_sysbus_toggle_lock;
-}
-
-static void m48txx_sysbus_concrete_class_init(ObjectClass *klass, void *data)
-{
-    M48txxSysBusDeviceClass *u = M48TXX_SYS_BUS_CLASS(klass);
-    M48txxInfo *info = data;
-
-    u->info = *info;
-}
-
-static const TypeInfo nvram_info = {
-    .name = TYPE_NVRAM,
-    .parent = TYPE_INTERFACE,
-    .class_size = sizeof(NvramClass),
-};
-
-static const TypeInfo m48txx_sysbus_type_info = {
-    .name = TYPE_M48TXX_SYS_BUS,
-    .parent = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(M48txxSysBusState),
-    .instance_init = m48t59_init1,
-    .abstract = true,
-    .class_init = m48txx_sysbus_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_NVRAM },
-        { }
-    }
-};
-
-static void m48t59_register_types(void)
-{
-    TypeInfo sysbus_type_info = {
-        .parent = TYPE_M48TXX_SYS_BUS,
-        .class_size = sizeof(M48txxSysBusDeviceClass),
-        .class_init = m48txx_sysbus_concrete_class_init,
-    };
-    int i;
-
-    type_register_static(&nvram_info);
-    type_register_static(&m48txx_sysbus_type_info);
-
-    for (i = 0; i < ARRAY_SIZE(m48txx_sysbus_info); i++) {
-        sysbus_type_info.name = m48txx_sysbus_info[i].bus_name;
-        sysbus_type_info.class_data = &m48txx_sysbus_info[i];
-        type_register(&sysbus_type_info);
-    }
-}
-
-type_init(m48t59_register_types)
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
deleted file mode 100644
index 6cb3787..0000000
--- a/hw/timer/mc146818rtc.c
+++ /dev/null
@@ -1,1063 +0,0 @@
-/*
- * QEMU MC146818 RTC emulation
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/cutils.h"
-#include "qemu/module.h"
-#include "qemu/bcd.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "qemu/timer.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/replay.h"
-#include "sysemu/reset.h"
-#include "sysemu/runstate.h"
-#include "hw/timer/mc146818rtc.h"
-#include "migration/vmstate.h"
-#include "qapi/error.h"
-#include "qapi/qapi-commands-misc-target.h"
-#include "qapi/qapi-events-misc-target.h"
-#include "qapi/visitor.h"
-#include "exec/address-spaces.h"
-
-#ifdef TARGET_I386
-#include "hw/i386/apic.h"
-#endif
-
-//#define DEBUG_CMOS
-//#define DEBUG_COALESCED
-
-#ifdef DEBUG_CMOS
-# define CMOS_DPRINTF(format, ...)      printf(format, ## __VA_ARGS__)
-#else
-# define CMOS_DPRINTF(format, ...)      do { } while (0)
-#endif
-
-#ifdef DEBUG_COALESCED
-# define DPRINTF_C(format, ...)      printf(format, ## __VA_ARGS__)
-#else
-# define DPRINTF_C(format, ...)      do { } while (0)
-#endif
-
-#define SEC_PER_MIN     60
-#define MIN_PER_HOUR    60
-#define SEC_PER_HOUR    3600
-#define HOUR_PER_DAY    24
-#define SEC_PER_DAY     86400
-
-#define RTC_REINJECT_ON_ACK_COUNT 20
-#define RTC_CLOCK_RATE            32768
-#define UIP_HOLD_LENGTH           (8 * NANOSECONDS_PER_SECOND / 32768)
-
-#define MC146818_RTC(obj) OBJECT_CHECK(RTCState, (obj), TYPE_MC146818_RTC)
-
-typedef struct RTCState {
-    ISADevice parent_obj;
-
-    MemoryRegion io;
-    MemoryRegion coalesced_io;
-    uint8_t cmos_data[128];
-    uint8_t cmos_index;
-    int32_t base_year;
-    uint64_t base_rtc;
-    uint64_t last_update;
-    int64_t offset;
-    qemu_irq irq;
-    int it_shift;
-    /* periodic timer */
-    QEMUTimer *periodic_timer;
-    int64_t next_periodic_time;
-    /* update-ended timer */
-    QEMUTimer *update_timer;
-    uint64_t next_alarm_time;
-    uint16_t irq_reinject_on_ack_count;
-    uint32_t irq_coalesced;
-    uint32_t period;
-    QEMUTimer *coalesced_timer;
-    LostTickPolicy lost_tick_policy;
-    Notifier suspend_notifier;
-    QLIST_ENTRY(RTCState) link;
-} RTCState;
-
-static void rtc_set_time(RTCState *s);
-static void rtc_update_time(RTCState *s);
-static void rtc_set_cmos(RTCState *s, const struct tm *tm);
-static inline int rtc_from_bcd(RTCState *s, int a);
-static uint64_t get_next_alarm(RTCState *s);
-
-static inline bool rtc_running(RTCState *s)
-{
-    return (!(s->cmos_data[RTC_REG_B] & REG_B_SET) &&
-            (s->cmos_data[RTC_REG_A] & 0x70) <= 0x20);
-}
-
-static uint64_t get_guest_rtc_ns(RTCState *s)
-{
-    uint64_t guest_clock = qemu_clock_get_ns(rtc_clock);
-
-    return s->base_rtc * NANOSECONDS_PER_SECOND +
-        guest_clock - s->last_update + s->offset;
-}
-
-static void rtc_coalesced_timer_update(RTCState *s)
-{
-    if (s->irq_coalesced == 0) {
-        timer_del(s->coalesced_timer);
-    } else {
-        /* divide each RTC interval to 2 - 8 smaller intervals */
-        int c = MIN(s->irq_coalesced, 7) + 1;
-        int64_t next_clock = qemu_clock_get_ns(rtc_clock) +
-            periodic_clock_to_ns(s->period / c);
-        timer_mod(s->coalesced_timer, next_clock);
-    }
-}
-
-static QLIST_HEAD(, RTCState) rtc_devices =
-    QLIST_HEAD_INITIALIZER(rtc_devices);
-
-#ifdef TARGET_I386
-void qmp_rtc_reset_reinjection(Error **errp)
-{
-    RTCState *s;
-
-    QLIST_FOREACH(s, &rtc_devices, link) {
-        s->irq_coalesced = 0;
-    }
-}
-
-static bool rtc_policy_slew_deliver_irq(RTCState *s)
-{
-    apic_reset_irq_delivered();
-    qemu_irq_raise(s->irq);
-    return apic_get_irq_delivered();
-}
-
-static void rtc_coalesced_timer(void *opaque)
-{
-    RTCState *s = opaque;
-
-    if (s->irq_coalesced != 0) {
-        s->cmos_data[RTC_REG_C] |= 0xc0;
-        DPRINTF_C("cmos: injecting from timer\n");
-        if (rtc_policy_slew_deliver_irq(s)) {
-            s->irq_coalesced--;
-            DPRINTF_C("cmos: coalesced irqs decreased to %d\n",
-                      s->irq_coalesced);
-        }
-    }
-
-    rtc_coalesced_timer_update(s);
-}
-#else
-static bool rtc_policy_slew_deliver_irq(RTCState *s)
-{
-    assert(0);
-    return false;
-}
-#endif
-
-static uint32_t rtc_periodic_clock_ticks(RTCState *s)
-{
-    int period_code;
-
-    if (!(s->cmos_data[RTC_REG_B] & REG_B_PIE)) {
-        return 0;
-     }
-
-    period_code = s->cmos_data[RTC_REG_A] & 0x0f;
-
-    return periodic_period_to_clock(period_code);
-}
-
-/*
- * handle periodic timer. @old_period indicates the periodic timer update
- * is just due to period adjustment.
- */
-static void
-periodic_timer_update(RTCState *s, int64_t current_time, uint32_t old_period)
-{
-    uint32_t period;
-    int64_t cur_clock, next_irq_clock, lost_clock = 0;
-
-    period = rtc_periodic_clock_ticks(s);
-
-    if (period) {
-        /* compute 32 khz clock */
-        cur_clock =
-            muldiv64(current_time, RTC_CLOCK_RATE, NANOSECONDS_PER_SECOND);
-
-        /*
-        * if the periodic timer's update is due to period re-configuration,
-        * we should count the clock since last interrupt.
-        */
-        if (old_period) {
-            int64_t last_periodic_clock, next_periodic_clock;
-
-            next_periodic_clock = muldiv64(s->next_periodic_time,
-                                    RTC_CLOCK_RATE, NANOSECONDS_PER_SECOND);
-            last_periodic_clock = next_periodic_clock - old_period;
-            lost_clock = cur_clock - last_periodic_clock;
-            assert(lost_clock >= 0);
-        }
-
-        /*
-         * s->irq_coalesced can change for two reasons:
-         *
-         * a) if one or more periodic timer interrupts have been lost,
-         *    lost_clock will be more that a period.
-         *
-         * b) when the period may be reconfigured, we expect the OS to
-         *    treat delayed tick as the new period.  So, when switching
-         *    from a shorter to a longer period, scale down the missing,
-         *    because the OS will treat past delayed ticks as longer
-         *    (leftovers are put back into lost_clock).  When switching
-         *    to a shorter period, scale up the missing ticks since the
-         *    OS handler will treat past delayed ticks as shorter.
-         */
-        if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) {
-            uint32_t old_irq_coalesced = s->irq_coalesced;
-
-            s->period = period;
-            lost_clock += old_irq_coalesced * old_period;
-            s->irq_coalesced = lost_clock / s->period;
-            lost_clock %= s->period;
-            if (old_irq_coalesced != s->irq_coalesced ||
-                old_period != s->period) {
-                DPRINTF_C("cmos: coalesced irqs scaled from %d to %d, "
-                          "period scaled from %d to %d\n", old_irq_coalesced,
-                          s->irq_coalesced, old_period, s->period);
-                rtc_coalesced_timer_update(s);
-            }
-        } else {
-           /*
-             * no way to compensate the interrupt if LOST_TICK_POLICY_SLEW
-             * is not used, we should make the time progress anyway.
-             */
-            lost_clock = MIN(lost_clock, period);
-        }
-
-        assert(lost_clock >= 0 && lost_clock <= period);
-
-        next_irq_clock = cur_clock + period - lost_clock;
-        s->next_periodic_time = periodic_clock_to_ns(next_irq_clock) + 1;
-        timer_mod(s->periodic_timer, s->next_periodic_time);
-    } else {
-        s->irq_coalesced = 0;
-        timer_del(s->periodic_timer);
-    }
-}
-
-static void rtc_periodic_timer(void *opaque)
-{
-    RTCState *s = opaque;
-
-    periodic_timer_update(s, s->next_periodic_time, 0);
-    s->cmos_data[RTC_REG_C] |= REG_C_PF;
-    if (s->cmos_data[RTC_REG_B] & REG_B_PIE) {
-        s->cmos_data[RTC_REG_C] |= REG_C_IRQF;
-        if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) {
-            if (s->irq_reinject_on_ack_count >= RTC_REINJECT_ON_ACK_COUNT)
-                s->irq_reinject_on_ack_count = 0;
-            if (!rtc_policy_slew_deliver_irq(s)) {
-                s->irq_coalesced++;
-                rtc_coalesced_timer_update(s);
-                DPRINTF_C("cmos: coalesced irqs increased to %d\n",
-                          s->irq_coalesced);
-            }
-        } else
-            qemu_irq_raise(s->irq);
-    }
-}
-
-/* handle update-ended timer */
-static void check_update_timer(RTCState *s)
-{
-    uint64_t next_update_time;
-    uint64_t guest_nsec;
-    int next_alarm_sec;
-
-    /* From the data sheet: "Holding the dividers in reset prevents
-     * interrupts from operating, while setting the SET bit allows"
-     * them to occur.
-     */
-    if ((s->cmos_data[RTC_REG_A] & 0x60) == 0x60) {
-        assert((s->cmos_data[RTC_REG_A] & REG_A_UIP) == 0);
-        timer_del(s->update_timer);
-        return;
-    }
-
-    guest_nsec = get_guest_rtc_ns(s) % NANOSECONDS_PER_SECOND;
-    next_update_time = qemu_clock_get_ns(rtc_clock)
-        + NANOSECONDS_PER_SECOND - guest_nsec;
-
-    /* Compute time of next alarm.  One second is already accounted
-     * for in next_update_time.
-     */
-    next_alarm_sec = get_next_alarm(s);
-    s->next_alarm_time = next_update_time +
-                         (next_alarm_sec - 1) * NANOSECONDS_PER_SECOND;
-
-    /* If update_in_progress latched the UIP bit, we must keep the timer
-     * programmed to the next second, so that UIP is cleared.  Otherwise,
-     * if UF is already set, we might be able to optimize.
-     */
-    if (!(s->cmos_data[RTC_REG_A] & REG_A_UIP) &&
-        (s->cmos_data[RTC_REG_C] & REG_C_UF)) {
-        /* If AF cannot change (i.e. either it is set already, or
-         * SET=1 and then the time is not updated), nothing to do.
-         */
-        if ((s->cmos_data[RTC_REG_B] & REG_B_SET) ||
-            (s->cmos_data[RTC_REG_C] & REG_C_AF)) {
-            timer_del(s->update_timer);
-            return;
-        }
-
-        /* UF is set, but AF is clear.  Program the timer to target
-         * the alarm time.  */
-        next_update_time = s->next_alarm_time;
-    }
-    if (next_update_time != timer_expire_time_ns(s->update_timer)) {
-        timer_mod(s->update_timer, next_update_time);
-    }
-}
-
-static inline uint8_t convert_hour(RTCState *s, uint8_t hour)
-{
-    if (!(s->cmos_data[RTC_REG_B] & REG_B_24H)) {
-        hour %= 12;
-        if (s->cmos_data[RTC_HOURS] & 0x80) {
-            hour += 12;
-        }
-    }
-    return hour;
-}
-
-static uint64_t get_next_alarm(RTCState *s)
-{
-    int32_t alarm_sec, alarm_min, alarm_hour, cur_hour, cur_min, cur_sec;
-    int32_t hour, min, sec;
-
-    rtc_update_time(s);
-
-    alarm_sec = rtc_from_bcd(s, s->cmos_data[RTC_SECONDS_ALARM]);
-    alarm_min = rtc_from_bcd(s, s->cmos_data[RTC_MINUTES_ALARM]);
-    alarm_hour = rtc_from_bcd(s, s->cmos_data[RTC_HOURS_ALARM]);
-    alarm_hour = alarm_hour == -1 ? -1 : convert_hour(s, alarm_hour);
-
-    cur_sec = rtc_from_bcd(s, s->cmos_data[RTC_SECONDS]);
-    cur_min = rtc_from_bcd(s, s->cmos_data[RTC_MINUTES]);
-    cur_hour = rtc_from_bcd(s, s->cmos_data[RTC_HOURS]);
-    cur_hour = convert_hour(s, cur_hour);
-
-    if (alarm_hour == -1) {
-        alarm_hour = cur_hour;
-        if (alarm_min == -1) {
-            alarm_min = cur_min;
-            if (alarm_sec == -1) {
-                alarm_sec = cur_sec + 1;
-            } else if (cur_sec > alarm_sec) {
-                alarm_min++;
-            }
-        } else if (cur_min == alarm_min) {
-            if (alarm_sec == -1) {
-                alarm_sec = cur_sec + 1;
-            } else {
-                if (cur_sec > alarm_sec) {
-                    alarm_hour++;
-                }
-            }
-            if (alarm_sec == SEC_PER_MIN) {
-                /* wrap to next hour, minutes is not in don't care mode */
-                alarm_sec = 0;
-                alarm_hour++;
-            }
-        } else if (cur_min > alarm_min) {
-            alarm_hour++;
-        }
-    } else if (cur_hour == alarm_hour) {
-        if (alarm_min == -1) {
-            alarm_min = cur_min;
-            if (alarm_sec == -1) {
-                alarm_sec = cur_sec + 1;
-            } else if (cur_sec > alarm_sec) {
-                alarm_min++;
-            }
-
-            if (alarm_sec == SEC_PER_MIN) {
-                alarm_sec = 0;
-                alarm_min++;
-            }
-            /* wrap to next day, hour is not in don't care mode */
-            alarm_min %= MIN_PER_HOUR;
-        } else if (cur_min == alarm_min) {
-            if (alarm_sec == -1) {
-                alarm_sec = cur_sec + 1;
-            }
-            /* wrap to next day, hours+minutes not in don't care mode */
-            alarm_sec %= SEC_PER_MIN;
-        }
-    }
-
-    /* values that are still don't care fire at the next min/sec */
-    if (alarm_min == -1) {
-        alarm_min = 0;
-    }
-    if (alarm_sec == -1) {
-        alarm_sec = 0;
-    }
-
-    /* keep values in range */
-    if (alarm_sec == SEC_PER_MIN) {
-        alarm_sec = 0;
-        alarm_min++;
-    }
-    if (alarm_min == MIN_PER_HOUR) {
-        alarm_min = 0;
-        alarm_hour++;
-    }
-    alarm_hour %= HOUR_PER_DAY;
-
-    hour = alarm_hour - cur_hour;
-    min = hour * MIN_PER_HOUR + alarm_min - cur_min;
-    sec = min * SEC_PER_MIN + alarm_sec - cur_sec;
-    return sec <= 0 ? sec + SEC_PER_DAY : sec;
-}
-
-static void rtc_update_timer(void *opaque)
-{
-    RTCState *s = opaque;
-    int32_t irqs = REG_C_UF;
-    int32_t new_irqs;
-
-    assert((s->cmos_data[RTC_REG_A] & 0x60) != 0x60);
-
-    /* UIP might have been latched, update time and clear it.  */
-    rtc_update_time(s);
-    s->cmos_data[RTC_REG_A] &= ~REG_A_UIP;
-
-    if (qemu_clock_get_ns(rtc_clock) >= s->next_alarm_time) {
-        irqs |= REG_C_AF;
-        if (s->cmos_data[RTC_REG_B] & REG_B_AIE) {
-            qemu_system_wakeup_request(QEMU_WAKEUP_REASON_RTC, NULL);
-        }
-    }
-
-    new_irqs = irqs & ~s->cmos_data[RTC_REG_C];
-    s->cmos_data[RTC_REG_C] |= irqs;
-    if ((new_irqs & s->cmos_data[RTC_REG_B]) != 0) {
-        s->cmos_data[RTC_REG_C] |= REG_C_IRQF;
-        qemu_irq_raise(s->irq);
-    }
-    check_update_timer(s);
-}
-
-static void cmos_ioport_write(void *opaque, hwaddr addr,
-                              uint64_t data, unsigned size)
-{
-    RTCState *s = opaque;
-    uint32_t old_period;
-    bool update_periodic_timer;
-
-    if ((addr & 1) == 0) {
-        s->cmos_index = data & 0x7f;
-    } else {
-        CMOS_DPRINTF("cmos: write index=0x%02x val=0x%02" PRIx64 "\n",
-                     s->cmos_index, data);
-        switch(s->cmos_index) {
-        case RTC_SECONDS_ALARM:
-        case RTC_MINUTES_ALARM:
-        case RTC_HOURS_ALARM:
-            s->cmos_data[s->cmos_index] = data;
-            check_update_timer(s);
-            break;
-        case RTC_IBM_PS2_CENTURY_BYTE:
-            s->cmos_index = RTC_CENTURY;
-            /* fall through */
-        case RTC_CENTURY:
-        case RTC_SECONDS:
-        case RTC_MINUTES:
-        case RTC_HOURS:
-        case RTC_DAY_OF_WEEK:
-        case RTC_DAY_OF_MONTH:
-        case RTC_MONTH:
-        case RTC_YEAR:
-            s->cmos_data[s->cmos_index] = data;
-            /* if in set mode, do not update the time */
-            if (rtc_running(s)) {
-                rtc_set_time(s);
-                check_update_timer(s);
-            }
-            break;
-        case RTC_REG_A:
-            update_periodic_timer = (s->cmos_data[RTC_REG_A] ^ data) & 0x0f;
-            old_period = rtc_periodic_clock_ticks(s);
-
-            if ((data & 0x60) == 0x60) {
-                if (rtc_running(s)) {
-                    rtc_update_time(s);
-                }
-                /* What happens to UIP when divider reset is enabled is
-                 * unclear from the datasheet.  Shouldn't matter much
-                 * though.
-                 */
-                s->cmos_data[RTC_REG_A] &= ~REG_A_UIP;
-            } else if (((s->cmos_data[RTC_REG_A] & 0x60) == 0x60) &&
-                    (data & 0x70)  <= 0x20) {
-                /* when the divider reset is removed, the first update cycle
-                 * begins one-half second later*/
-                if (!(s->cmos_data[RTC_REG_B] & REG_B_SET)) {
-                    s->offset = 500000000;
-                    rtc_set_time(s);
-                }
-                s->cmos_data[RTC_REG_A] &= ~REG_A_UIP;
-            }
-            /* UIP bit is read only */
-            s->cmos_data[RTC_REG_A] = (data & ~REG_A_UIP) |
-                (s->cmos_data[RTC_REG_A] & REG_A_UIP);
-
-            if (update_periodic_timer) {
-                periodic_timer_update(s, qemu_clock_get_ns(rtc_clock),
-                                      old_period);
-            }
-
-            check_update_timer(s);
-            break;
-        case RTC_REG_B:
-            update_periodic_timer = (s->cmos_data[RTC_REG_B] ^ data)
-                                       & REG_B_PIE;
-            old_period = rtc_periodic_clock_ticks(s);
-
-            if (data & REG_B_SET) {
-                /* update cmos to when the rtc was stopping */
-                if (rtc_running(s)) {
-                    rtc_update_time(s);
-                }
-                /* set mode: reset UIP mode */
-                s->cmos_data[RTC_REG_A] &= ~REG_A_UIP;
-                data &= ~REG_B_UIE;
-            } else {
-                /* if disabling set mode, update the time */
-                if ((s->cmos_data[RTC_REG_B] & REG_B_SET) &&
-                    (s->cmos_data[RTC_REG_A] & 0x70) <= 0x20) {
-                    s->offset = get_guest_rtc_ns(s) % NANOSECONDS_PER_SECOND;
-                    rtc_set_time(s);
-                }
-            }
-            /* if an interrupt flag is already set when the interrupt
-             * becomes enabled, raise an interrupt immediately.  */
-            if (data & s->cmos_data[RTC_REG_C] & REG_C_MASK) {
-                s->cmos_data[RTC_REG_C] |= REG_C_IRQF;
-                qemu_irq_raise(s->irq);
-            } else {
-                s->cmos_data[RTC_REG_C] &= ~REG_C_IRQF;
-                qemu_irq_lower(s->irq);
-            }
-            s->cmos_data[RTC_REG_B] = data;
-
-            if (update_periodic_timer) {
-                periodic_timer_update(s, qemu_clock_get_ns(rtc_clock),
-                                      old_period);
-            }
-
-            check_update_timer(s);
-            break;
-        case RTC_REG_C:
-        case RTC_REG_D:
-            /* cannot write to them */
-            break;
-        default:
-            s->cmos_data[s->cmos_index] = data;
-            break;
-        }
-    }
-}
-
-static inline int rtc_to_bcd(RTCState *s, int a)
-{
-    if (s->cmos_data[RTC_REG_B] & REG_B_DM) {
-        return a;
-    } else {
-        return ((a / 10) << 4) | (a % 10);
-    }
-}
-
-static inline int rtc_from_bcd(RTCState *s, int a)
-{
-    if ((a & 0xc0) == 0xc0) {
-        return -1;
-    }
-    if (s->cmos_data[RTC_REG_B] & REG_B_DM) {
-        return a;
-    } else {
-        return ((a >> 4) * 10) + (a & 0x0f);
-    }
-}
-
-static void rtc_get_time(RTCState *s, struct tm *tm)
-{
-    tm->tm_sec = rtc_from_bcd(s, s->cmos_data[RTC_SECONDS]);
-    tm->tm_min = rtc_from_bcd(s, s->cmos_data[RTC_MINUTES]);
-    tm->tm_hour = rtc_from_bcd(s, s->cmos_data[RTC_HOURS] & 0x7f);
-    if (!(s->cmos_data[RTC_REG_B] & REG_B_24H)) {
-        tm->tm_hour %= 12;
-        if (s->cmos_data[RTC_HOURS] & 0x80) {
-            tm->tm_hour += 12;
-        }
-    }
-    tm->tm_wday = rtc_from_bcd(s, s->cmos_data[RTC_DAY_OF_WEEK]) - 1;
-    tm->tm_mday = rtc_from_bcd(s, s->cmos_data[RTC_DAY_OF_MONTH]);
-    tm->tm_mon = rtc_from_bcd(s, s->cmos_data[RTC_MONTH]) - 1;
-    tm->tm_year =
-        rtc_from_bcd(s, s->cmos_data[RTC_YEAR]) + s->base_year +
-        rtc_from_bcd(s, s->cmos_data[RTC_CENTURY]) * 100 - 1900;
-}
-
-static void rtc_set_time(RTCState *s)
-{
-    struct tm tm;
-
-    rtc_get_time(s, &tm);
-    s->base_rtc = mktimegm(&tm);
-    s->last_update = qemu_clock_get_ns(rtc_clock);
-
-    qapi_event_send_rtc_change(qemu_timedate_diff(&tm));
-}
-
-static void rtc_set_cmos(RTCState *s, const struct tm *tm)
-{
-    int year;
-
-    s->cmos_data[RTC_SECONDS] = rtc_to_bcd(s, tm->tm_sec);
-    s->cmos_data[RTC_MINUTES] = rtc_to_bcd(s, tm->tm_min);
-    if (s->cmos_data[RTC_REG_B] & REG_B_24H) {
-        /* 24 hour format */
-        s->cmos_data[RTC_HOURS] = rtc_to_bcd(s, tm->tm_hour);
-    } else {
-        /* 12 hour format */
-        int h = (tm->tm_hour % 12) ? tm->tm_hour % 12 : 12;
-        s->cmos_data[RTC_HOURS] = rtc_to_bcd(s, h);
-        if (tm->tm_hour >= 12)
-            s->cmos_data[RTC_HOURS] |= 0x80;
-    }
-    s->cmos_data[RTC_DAY_OF_WEEK] = rtc_to_bcd(s, tm->tm_wday + 1);
-    s->cmos_data[RTC_DAY_OF_MONTH] = rtc_to_bcd(s, tm->tm_mday);
-    s->cmos_data[RTC_MONTH] = rtc_to_bcd(s, tm->tm_mon + 1);
-    year = tm->tm_year + 1900 - s->base_year;
-    s->cmos_data[RTC_YEAR] = rtc_to_bcd(s, year % 100);
-    s->cmos_data[RTC_CENTURY] = rtc_to_bcd(s, year / 100);
-}
-
-static void rtc_update_time(RTCState *s)
-{
-    struct tm ret;
-    time_t guest_sec;
-    int64_t guest_nsec;
-
-    guest_nsec = get_guest_rtc_ns(s);
-    guest_sec = guest_nsec / NANOSECONDS_PER_SECOND;
-    gmtime_r(&guest_sec, &ret);
-
-    /* Is SET flag of Register B disabled? */
-    if ((s->cmos_data[RTC_REG_B] & REG_B_SET) == 0) {
-        rtc_set_cmos(s, &ret);
-    }
-}
-
-static int update_in_progress(RTCState *s)
-{
-    int64_t guest_nsec;
-
-    if (!rtc_running(s)) {
-        return 0;
-    }
-    if (timer_pending(s->update_timer)) {
-        int64_t next_update_time = timer_expire_time_ns(s->update_timer);
-        /* Latch UIP until the timer expires.  */
-        if (qemu_clock_get_ns(rtc_clock) >=
-            (next_update_time - UIP_HOLD_LENGTH)) {
-            s->cmos_data[RTC_REG_A] |= REG_A_UIP;
-            return 1;
-        }
-    }
-
-    guest_nsec = get_guest_rtc_ns(s);
-    /* UIP bit will be set at last 244us of every second. */
-    if ((guest_nsec % NANOSECONDS_PER_SECOND) >=
-        (NANOSECONDS_PER_SECOND - UIP_HOLD_LENGTH)) {
-        return 1;
-    }
-    return 0;
-}
-
-static uint64_t cmos_ioport_read(void *opaque, hwaddr addr,
-                                 unsigned size)
-{
-    RTCState *s = opaque;
-    int ret;
-    if ((addr & 1) == 0) {
-        return 0xff;
-    } else {
-        switch(s->cmos_index) {
-        case RTC_IBM_PS2_CENTURY_BYTE:
-            s->cmos_index = RTC_CENTURY;
-            /* fall through */
-        case RTC_CENTURY:
-        case RTC_SECONDS:
-        case RTC_MINUTES:
-        case RTC_HOURS:
-        case RTC_DAY_OF_WEEK:
-        case RTC_DAY_OF_MONTH:
-        case RTC_MONTH:
-        case RTC_YEAR:
-            /* if not in set mode, calibrate cmos before
-             * reading*/
-            if (rtc_running(s)) {
-                rtc_update_time(s);
-            }
-            ret = s->cmos_data[s->cmos_index];
-            break;
-        case RTC_REG_A:
-            ret = s->cmos_data[s->cmos_index];
-            if (update_in_progress(s)) {
-                ret |= REG_A_UIP;
-            }
-            break;
-        case RTC_REG_C:
-            ret = s->cmos_data[s->cmos_index];
-            qemu_irq_lower(s->irq);
-            s->cmos_data[RTC_REG_C] = 0x00;
-            if (ret & (REG_C_UF | REG_C_AF)) {
-                check_update_timer(s);
-            }
-
-            if(s->irq_coalesced &&
-                    (s->cmos_data[RTC_REG_B] & REG_B_PIE) &&
-                    s->irq_reinject_on_ack_count < RTC_REINJECT_ON_ACK_COUNT) {
-                s->irq_reinject_on_ack_count++;
-                s->cmos_data[RTC_REG_C] |= REG_C_IRQF | REG_C_PF;
-                DPRINTF_C("cmos: injecting on ack\n");
-                if (rtc_policy_slew_deliver_irq(s)) {
-                    s->irq_coalesced--;
-                    DPRINTF_C("cmos: coalesced irqs decreased to %d\n",
-                              s->irq_coalesced);
-                }
-            }
-            break;
-        default:
-            ret = s->cmos_data[s->cmos_index];
-            break;
-        }
-        CMOS_DPRINTF("cmos: read index=0x%02x val=0x%02x\n",
-                     s->cmos_index, ret);
-        return ret;
-    }
-}
-
-void rtc_set_memory(ISADevice *dev, int addr, int val)
-{
-    RTCState *s = MC146818_RTC(dev);
-    if (addr >= 0 && addr <= 127)
-        s->cmos_data[addr] = val;
-}
-
-int rtc_get_memory(ISADevice *dev, int addr)
-{
-    RTCState *s = MC146818_RTC(dev);
-    assert(addr >= 0 && addr <= 127);
-    return s->cmos_data[addr];
-}
-
-static void rtc_set_date_from_host(ISADevice *dev)
-{
-    RTCState *s = MC146818_RTC(dev);
-    struct tm tm;
-
-    qemu_get_timedate(&tm, 0);
-
-    s->base_rtc = mktimegm(&tm);
-    s->last_update = qemu_clock_get_ns(rtc_clock);
-    s->offset = 0;
-
-    /* set the CMOS date */
-    rtc_set_cmos(s, &tm);
-}
-
-static int rtc_pre_save(void *opaque)
-{
-    RTCState *s = opaque;
-
-    rtc_update_time(s);
-
-    return 0;
-}
-
-static int rtc_post_load(void *opaque, int version_id)
-{
-    RTCState *s = opaque;
-
-    if (version_id <= 2 || rtc_clock == QEMU_CLOCK_REALTIME) {
-        rtc_set_time(s);
-        s->offset = 0;
-        check_update_timer(s);
-    }
-
-    /* The periodic timer is deterministic in record/replay mode,
-     * so there is no need to update it after loading the vmstate.
-     * Reading RTC here would misalign record and replay.
-     */
-    if (replay_mode == REPLAY_MODE_NONE) {
-        uint64_t now = qemu_clock_get_ns(rtc_clock);
-        if (now < s->next_periodic_time ||
-            now > (s->next_periodic_time + get_max_clock_jump())) {
-            periodic_timer_update(s, qemu_clock_get_ns(rtc_clock), 0);
-        }
-    }
-
-    if (version_id >= 2) {
-        if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) {
-            rtc_coalesced_timer_update(s);
-        }
-    }
-    return 0;
-}
-
-static bool rtc_irq_reinject_on_ack_count_needed(void *opaque)
-{
-    RTCState *s = (RTCState *)opaque;
-    return s->irq_reinject_on_ack_count != 0;
-}
-
-static const VMStateDescription vmstate_rtc_irq_reinject_on_ack_count = {
-    .name = "mc146818rtc/irq_reinject_on_ack_count",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .needed = rtc_irq_reinject_on_ack_count_needed,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT16(irq_reinject_on_ack_count, RTCState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static const VMStateDescription vmstate_rtc = {
-    .name = "mc146818rtc",
-    .version_id = 3,
-    .minimum_version_id = 1,
-    .pre_save = rtc_pre_save,
-    .post_load = rtc_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_BUFFER(cmos_data, RTCState),
-        VMSTATE_UINT8(cmos_index, RTCState),
-        VMSTATE_UNUSED(7*4),
-        VMSTATE_TIMER_PTR(periodic_timer, RTCState),
-        VMSTATE_INT64(next_periodic_time, RTCState),
-        VMSTATE_UNUSED(3*8),
-        VMSTATE_UINT32_V(irq_coalesced, RTCState, 2),
-        VMSTATE_UINT32_V(period, RTCState, 2),
-        VMSTATE_UINT64_V(base_rtc, RTCState, 3),
-        VMSTATE_UINT64_V(last_update, RTCState, 3),
-        VMSTATE_INT64_V(offset, RTCState, 3),
-        VMSTATE_TIMER_PTR_V(update_timer, RTCState, 3),
-        VMSTATE_UINT64_V(next_alarm_time, RTCState, 3),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (const VMStateDescription*[]) {
-        &vmstate_rtc_irq_reinject_on_ack_count,
-        NULL
-    }
-};
-
-/* set CMOS shutdown status register (index 0xF) as S3_resume(0xFE)
-   BIOS will read it and start S3 resume at POST Entry */
-static void rtc_notify_suspend(Notifier *notifier, void *data)
-{
-    RTCState *s = container_of(notifier, RTCState, suspend_notifier);
-    rtc_set_memory(ISA_DEVICE(s), 0xF, 0xFE);
-}
-
-static void rtc_reset(void *opaque)
-{
-    RTCState *s = opaque;
-
-    s->cmos_data[RTC_REG_B] &= ~(REG_B_PIE | REG_B_AIE | REG_B_SQWE);
-    s->cmos_data[RTC_REG_C] &= ~(REG_C_UF | REG_C_IRQF | REG_C_PF | REG_C_AF);
-    check_update_timer(s);
-
-    qemu_irq_lower(s->irq);
-
-    if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) {
-        s->irq_coalesced = 0;
-        s->irq_reinject_on_ack_count = 0;
-    }
-}
-
-static const MemoryRegionOps cmos_ops = {
-    .read = cmos_ioport_read,
-    .write = cmos_ioport_write,
-    .impl = {
-        .min_access_size = 1,
-        .max_access_size = 1,
-    },
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static void rtc_get_date(Object *obj, struct tm *current_tm, Error **errp)
-{
-    RTCState *s = MC146818_RTC(obj);
-
-    rtc_update_time(s);
-    rtc_get_time(s, current_tm);
-}
-
-static void rtc_realizefn(DeviceState *dev, Error **errp)
-{
-    ISADevice *isadev = ISA_DEVICE(dev);
-    RTCState *s = MC146818_RTC(dev);
-    int base = 0x70;
-
-    s->cmos_data[RTC_REG_A] = 0x26;
-    s->cmos_data[RTC_REG_B] = 0x02;
-    s->cmos_data[RTC_REG_C] = 0x00;
-    s->cmos_data[RTC_REG_D] = 0x80;
-
-    /* This is for historical reasons.  The default base year qdev property
-     * was set to 2000 for most machine types before the century byte was
-     * implemented.
-     *
-     * This if statement means that the century byte will be always 0
-     * (at least until 2079...) for base_year = 1980, but will be set
-     * correctly for base_year = 2000.
-     */
-    if (s->base_year == 2000) {
-        s->base_year = 0;
-    }
-
-    rtc_set_date_from_host(isadev);
-
-    switch (s->lost_tick_policy) {
-#ifdef TARGET_I386
-    case LOST_TICK_POLICY_SLEW:
-        s->coalesced_timer =
-            timer_new_ns(rtc_clock, rtc_coalesced_timer, s);
-        break;
-#endif
-    case LOST_TICK_POLICY_DISCARD:
-        break;
-    default:
-        error_setg(errp, "Invalid lost tick policy.");
-        return;
-    }
-
-    s->periodic_timer = timer_new_ns(rtc_clock, rtc_periodic_timer, s);
-    s->update_timer = timer_new_ns(rtc_clock, rtc_update_timer, s);
-    check_update_timer(s);
-
-    s->suspend_notifier.notify = rtc_notify_suspend;
-    qemu_register_suspend_notifier(&s->suspend_notifier);
-
-    memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2);
-    isa_register_ioport(isadev, &s->io, base);
-
-    /* register rtc 0x70 port for coalesced_pio */
-    memory_region_set_flush_coalesced(&s->io);
-    memory_region_init_io(&s->coalesced_io, OBJECT(s), &cmos_ops,
-                          s, "rtc-index", 1);
-    memory_region_add_subregion(&s->io, 0, &s->coalesced_io);
-    memory_region_add_coalescing(&s->coalesced_io, 0, 1);
-
-    qdev_set_legacy_instance_id(dev, base, 3);
-    qemu_register_reset(rtc_reset, s);
-
-    object_property_add_tm(OBJECT(s), "date", rtc_get_date, NULL);
-
-    qdev_init_gpio_out(dev, &s->irq, 1);
-}
-
-ISADevice *mc146818_rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
-{
-    DeviceState *dev;
-    ISADevice *isadev;
-    RTCState *s;
-
-    isadev = isa_create(bus, TYPE_MC146818_RTC);
-    dev = DEVICE(isadev);
-    s = MC146818_RTC(isadev);
-    qdev_prop_set_int32(dev, "base_year", base_year);
-    qdev_init_nofail(dev);
-    if (intercept_irq) {
-        qdev_connect_gpio_out(dev, 0, intercept_irq);
-    } else {
-        isa_connect_gpio_out(isadev, 0, RTC_ISA_IRQ);
-    }
-    QLIST_INSERT_HEAD(&rtc_devices, s, link);
-
-    object_property_add_alias(qdev_get_machine(), "rtc-time", OBJECT(s),
-                              "date", NULL);
-
-    return isadev;
-}
-
-static Property mc146818rtc_properties[] = {
-    DEFINE_PROP_INT32("base_year", RTCState, base_year, 1980),
-    DEFINE_PROP_LOSTTICKPOLICY("lost_tick_policy", RTCState,
-                               lost_tick_policy, LOST_TICK_POLICY_DISCARD),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void rtc_resetdev(DeviceState *d)
-{
-    RTCState *s = MC146818_RTC(d);
-
-    /* Reason: VM do suspend self will set 0xfe
-     * Reset any values other than 0xfe(Guest suspend case) */
-    if (s->cmos_data[0x0f] != 0xfe) {
-        s->cmos_data[0x0f] = 0x00;
-    }
-}
-
-static void rtc_class_initfn(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = rtc_realizefn;
-    dc->reset = rtc_resetdev;
-    dc->vmsd = &vmstate_rtc;
-    dc->props = mc146818rtc_properties;
-    /* Reason: needs to be wired up by rtc_init() */
-    dc->user_creatable = false;
-}
-
-static const TypeInfo mc146818rtc_info = {
-    .name          = TYPE_MC146818_RTC,
-    .parent        = TYPE_ISA_DEVICE,
-    .instance_size = sizeof(RTCState),
-    .class_init    = rtc_class_initfn,
-};
-
-static void mc146818rtc_register_types(void)
-{
-    type_register_static(&mc146818rtc_info);
-}
-
-type_init(mc146818rtc_register_types)
diff --git a/hw/timer/pl031.c b/hw/timer/pl031.c
deleted file mode 100644
index 2b3e261..0000000
--- a/hw/timer/pl031.c
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- * ARM AMBA PrimeCell PL031 RTC
- *
- * Copyright (c) 2007 CodeSourcery
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/timer/pl031.h"
-#include "migration/vmstate.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "hw/sysbus.h"
-#include "qemu/timer.h"
-#include "sysemu/sysemu.h"
-#include "qemu/cutils.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "trace.h"
-
-#define RTC_DR      0x00    /* Data read register */
-#define RTC_MR      0x04    /* Match register */
-#define RTC_LR      0x08    /* Data load register */
-#define RTC_CR      0x0c    /* Control register */
-#define RTC_IMSC    0x10    /* Interrupt mask and set register */
-#define RTC_RIS     0x14    /* Raw interrupt status register */
-#define RTC_MIS     0x18    /* Masked interrupt status register */
-#define RTC_ICR     0x1c    /* Interrupt clear register */
-
-static const unsigned char pl031_id[] = {
-    0x31, 0x10, 0x14, 0x00,         /* Device ID        */
-    0x0d, 0xf0, 0x05, 0xb1          /* Cell ID      */
-};
-
-static void pl031_update(PL031State *s)
-{
-    uint32_t flags = s->is & s->im;
-
-    trace_pl031_irq_state(flags);
-    qemu_set_irq(s->irq, flags);
-}
-
-static void pl031_interrupt(void * opaque)
-{
-    PL031State *s = (PL031State *)opaque;
-
-    s->is = 1;
-    trace_pl031_alarm_raised();
-    pl031_update(s);
-}
-
-static uint32_t pl031_get_count(PL031State *s)
-{
-    int64_t now = qemu_clock_get_ns(rtc_clock);
-    return s->tick_offset + now / NANOSECONDS_PER_SECOND;
-}
-
-static void pl031_set_alarm(PL031State *s)
-{
-    uint32_t ticks;
-
-    /* The timer wraps around.  This subtraction also wraps in the same way,
-       and gives correct results when alarm < now_ticks.  */
-    ticks = s->mr - pl031_get_count(s);
-    trace_pl031_set_alarm(ticks);
-    if (ticks == 0) {
-        timer_del(s->timer);
-        pl031_interrupt(s);
-    } else {
-        int64_t now = qemu_clock_get_ns(rtc_clock);
-        timer_mod(s->timer, now + (int64_t)ticks * NANOSECONDS_PER_SECOND);
-    }
-}
-
-static uint64_t pl031_read(void *opaque, hwaddr offset,
-                           unsigned size)
-{
-    PL031State *s = (PL031State *)opaque;
-    uint64_t r;
-
-    switch (offset) {
-    case RTC_DR:
-        r = pl031_get_count(s);
-        break;
-    case RTC_MR:
-        r = s->mr;
-        break;
-    case RTC_IMSC:
-        r = s->im;
-        break;
-    case RTC_RIS:
-        r = s->is;
-        break;
-    case RTC_LR:
-        r = s->lr;
-        break;
-    case RTC_CR:
-        /* RTC is permanently enabled.  */
-        r = 1;
-        break;
-    case RTC_MIS:
-        r = s->is & s->im;
-        break;
-    case 0xfe0 ... 0xfff:
-        r = pl031_id[(offset - 0xfe0) >> 2];
-        break;
-    case RTC_ICR:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "pl031: read of write-only register at offset 0x%x\n",
-                      (int)offset);
-        r = 0;
-        break;
-    default:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "pl031_read: Bad offset 0x%x\n", (int)offset);
-        r = 0;
-        break;
-    }
-
-    trace_pl031_read(offset, r);
-    return r;
-}
-
-static void pl031_write(void * opaque, hwaddr offset,
-                        uint64_t value, unsigned size)
-{
-    PL031State *s = (PL031State *)opaque;
-
-    trace_pl031_write(offset, value);
-
-    switch (offset) {
-    case RTC_LR:
-        s->tick_offset += value - pl031_get_count(s);
-        pl031_set_alarm(s);
-        break;
-    case RTC_MR:
-        s->mr = value;
-        pl031_set_alarm(s);
-        break;
-    case RTC_IMSC:
-        s->im = value & 1;
-        pl031_update(s);
-        break;
-    case RTC_ICR:
-        /* The PL031 documentation (DDI0224B) states that the interrupt is
-           cleared when bit 0 of the written value is set.  However the
-           arm926e documentation (DDI0287B) states that the interrupt is
-           cleared when any value is written.  */
-        s->is = 0;
-        pl031_update(s);
-        break;
-    case RTC_CR:
-        /* Written value is ignored.  */
-        break;
-
-    case RTC_DR:
-    case RTC_MIS:
-    case RTC_RIS:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "pl031: write to read-only register at offset 0x%x\n",
-                      (int)offset);
-        break;
-
-    default:
-        qemu_log_mask(LOG_GUEST_ERROR,
-                      "pl031_write: Bad offset 0x%x\n", (int)offset);
-        break;
-    }
-}
-
-static const MemoryRegionOps pl031_ops = {
-    .read = pl031_read,
-    .write = pl031_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void pl031_init(Object *obj)
-{
-    PL031State *s = PL031(obj);
-    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
-    struct tm tm;
-
-    memory_region_init_io(&s->iomem, obj, &pl031_ops, s, "pl031", 0x1000);
-    sysbus_init_mmio(dev, &s->iomem);
-
-    sysbus_init_irq(dev, &s->irq);
-    qemu_get_timedate(&tm, 0);
-    s->tick_offset = mktimegm(&tm) -
-        qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
-
-    s->timer = timer_new_ns(rtc_clock, pl031_interrupt, s);
-}
-
-static int pl031_pre_save(void *opaque)
-{
-    PL031State *s = opaque;
-
-    /*
-     * The PL031 device model code uses the tick_offset field, which is
-     * the offset between what the guest RTC should read and what the
-     * QEMU rtc_clock reads:
-     *  guest_rtc = rtc_clock + tick_offset
-     * and so
-     *  tick_offset = guest_rtc - rtc_clock
-     *
-     * We want to migrate this offset, which sounds straightforward.
-     * Unfortunately older versions of QEMU migrated a conversion of this
-     * offset into an offset from the vm_clock. (This was in turn an
-     * attempt to be compatible with even older QEMU versions, but it
-     * has incorrect behaviour if the rtc_clock is not the same as the
-     * vm_clock.) So we put the actual tick_offset into a migration
-     * subsection, and the backwards-compatible time-relative-to-vm_clock
-     * in the main migration state.
-     *
-     * Calculate base time relative to QEMU_CLOCK_VIRTUAL:
-     */
-    int64_t delta = qemu_clock_get_ns(rtc_clock) - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-    s->tick_offset_vmstate = s->tick_offset + delta / NANOSECONDS_PER_SECOND;
-
-    return 0;
-}
-
-static int pl031_pre_load(void *opaque)
-{
-    PL031State *s = opaque;
-
-    s->tick_offset_migrated = false;
-    return 0;
-}
-
-static int pl031_post_load(void *opaque, int version_id)
-{
-    PL031State *s = opaque;
-
-    /*
-     * If we got the tick_offset subsection, then we can just use
-     * the value in that. Otherwise the source is an older QEMU and
-     * has given us the offset from the vm_clock; convert it back to
-     * an offset from the rtc_clock. This will cause time to incorrectly
-     * go backwards compared to the host RTC, but this is unavoidable.
-     */
-
-    if (!s->tick_offset_migrated) {
-        int64_t delta = qemu_clock_get_ns(rtc_clock) -
-            qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-        s->tick_offset = s->tick_offset_vmstate -
-            delta / NANOSECONDS_PER_SECOND;
-    }
-    pl031_set_alarm(s);
-    return 0;
-}
-
-static int pl031_tick_offset_post_load(void *opaque, int version_id)
-{
-    PL031State *s = opaque;
-
-    s->tick_offset_migrated = true;
-    return 0;
-}
-
-static bool pl031_tick_offset_needed(void *opaque)
-{
-    PL031State *s = opaque;
-
-    return s->migrate_tick_offset;
-}
-
-static const VMStateDescription vmstate_pl031_tick_offset = {
-    .name = "pl031/tick-offset",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .needed = pl031_tick_offset_needed,
-    .post_load = pl031_tick_offset_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(tick_offset, PL031State),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static const VMStateDescription vmstate_pl031 = {
-    .name = "pl031",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .pre_save = pl031_pre_save,
-    .pre_load = pl031_pre_load,
-    .post_load = pl031_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(tick_offset_vmstate, PL031State),
-        VMSTATE_UINT32(mr, PL031State),
-        VMSTATE_UINT32(lr, PL031State),
-        VMSTATE_UINT32(cr, PL031State),
-        VMSTATE_UINT32(im, PL031State),
-        VMSTATE_UINT32(is, PL031State),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (const VMStateDescription*[]) {
-        &vmstate_pl031_tick_offset,
-        NULL
-    }
-};
-
-static Property pl031_properties[] = {
-    /*
-     * True to correctly migrate the tick offset of the RTC. False to
-     * obtain backward migration compatibility with older QEMU versions,
-     * at the expense of the guest RTC going backwards compared with the
-     * host RTC when the VM is saved/restored if using -rtc host.
-     * (Even if set to 'true' older QEMU can migrate forward to newer QEMU;
-     * 'false' also permits newer QEMU to migrate to older QEMU.)
-     */
-    DEFINE_PROP_BOOL("migrate-tick-offset",
-                     PL031State, migrate_tick_offset, true),
-    DEFINE_PROP_END_OF_LIST()
-};
-
-static void pl031_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->vmsd = &vmstate_pl031;
-    dc->props = pl031_properties;
-}
-
-static const TypeInfo pl031_info = {
-    .name          = TYPE_PL031,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(PL031State),
-    .instance_init = pl031_init,
-    .class_init    = pl031_class_init,
-};
-
-static void pl031_register_types(void)
-{
-    type_register_static(&pl031_info);
-}
-
-type_init(pl031_register_types)
diff --git a/hw/timer/sun4v-rtc.c b/hw/timer/sun4v-rtc.c
deleted file mode 100644
index 54272a8..0000000
--- a/hw/timer/sun4v-rtc.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * QEMU sun4v Real Time Clock device
- *
- * The sun4v_rtc device (sun4v tod clock)
- *
- * Copyright (c) 2016 Artyom Tarasenko
- *
- * This code is licensed under the GNU GPL v3 or (at your option) any later
- * version.
- */
-
-#include "qemu/osdep.h"
-#include "hw/sysbus.h"
-#include "qemu/module.h"
-#include "qemu/timer.h"
-#include "hw/timer/sun4v-rtc.h"
-#include "trace.h"
-
-
-#define TYPE_SUN4V_RTC "sun4v_rtc"
-#define SUN4V_RTC(obj) OBJECT_CHECK(Sun4vRtc, (obj), TYPE_SUN4V_RTC)
-
-typedef struct Sun4vRtc {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-} Sun4vRtc;
-
-static uint64_t sun4v_rtc_read(void *opaque, hwaddr addr,
-                                unsigned size)
-{
-    uint64_t val = get_clock_realtime() / NANOSECONDS_PER_SECOND;
-    if (!(addr & 4ULL)) {
-        /* accessing the high 32 bits */
-        val >>= 32;
-    }
-    trace_sun4v_rtc_read(addr, val);
-    return val;
-}
-
-static void sun4v_rtc_write(void *opaque, hwaddr addr,
-                             uint64_t val, unsigned size)
-{
-    trace_sun4v_rtc_write(addr, val);
-}
-
-static const MemoryRegionOps sun4v_rtc_ops = {
-    .read = sun4v_rtc_read,
-    .write = sun4v_rtc_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-void sun4v_rtc_init(hwaddr addr)
-{
-    DeviceState *dev;
-    SysBusDevice *s;
-
-    dev = qdev_create(NULL, TYPE_SUN4V_RTC);
-    s = SYS_BUS_DEVICE(dev);
-
-    qdev_init_nofail(dev);
-
-    sysbus_mmio_map(s, 0, addr);
-}
-
-static void sun4v_rtc_realize(DeviceState *dev, Error **errp)
-{
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-    Sun4vRtc *s = SUN4V_RTC(dev);
-
-    memory_region_init_io(&s->iomem, OBJECT(s), &sun4v_rtc_ops, s,
-                          "sun4v-rtc", 0x08ULL);
-    sysbus_init_mmio(sbd, &s->iomem);
-}
-
-static void sun4v_rtc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = sun4v_rtc_realize;
-}
-
-static const TypeInfo sun4v_rtc_info = {
-    .name          = TYPE_SUN4V_RTC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(Sun4vRtc),
-    .class_init    = sun4v_rtc_class_init,
-};
-
-static void sun4v_rtc_register_types(void)
-{
-    type_register_static(&sun4v_rtc_info);
-}
-
-type_init(sun4v_rtc_register_types)
diff --git a/hw/timer/trace-events b/hw/timer/trace-events
index 0aa399a..29fda78 100644
--- a/hw/timer/trace-events
+++ b/hw/timer/trace-events
@@ -66,28 +66,10 @@ cmsdk_apb_dualtimer_read(uint64_t offset, uint64_t data, unsigned size) "CMSDK A
 cmsdk_apb_dualtimer_write(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB dualtimer write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
 cmsdk_apb_dualtimer_reset(void) "CMSDK APB dualtimer: reset"
 
-# hw/timer/aspeed-rtc.c
-aspeed_rtc_read(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
-aspeed_rtc_write(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
-
-# sun4v-rtc.c
-sun4v_rtc_read(uint64_t addr, uint64_t value) "read: addr 0x%" PRIx64 " value 0x%" PRIx64
-sun4v_rtc_write(uint64_t addr, uint64_t value) "write: addr 0x%" PRIx64 " value 0x%" PRIx64
-
-# xlnx-zynqmp-rtc.c
-xlnx_zynqmp_rtc_gettime(int year, int month, int day, int hour, int min, int sec) "Get time from host: %d-%d-%d %2d:%02d:%02d"
-
 # nrf51_timer.c
 nrf51_timer_read(uint64_t addr, uint32_t value, unsigned size) "read addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"
 nrf51_timer_write(uint64_t addr, uint32_t value, unsigned size) "write addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"
 
-# pl031.c
-pl031_irq_state(int level) "irq state %d"
-pl031_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-pl031_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
-pl031_alarm_raised(void) "alarm raised"
-pl031_set_alarm(uint32_t ticks) "alarm set for %u ticks"
-
 # bcm2835_systmr.c
 bcm2835_systmr_irq(bool enable) "timer irq state %u"
 bcm2835_systmr_read(uint64_t offset, uint64_t data) "timer read: offset 0x%" PRIx64 " data 0x%" PRIx64
diff --git a/hw/timer/twl92230.c b/hw/timer/twl92230.c
deleted file mode 100644
index 63bd13d..0000000
--- a/hw/timer/twl92230.c
+++ /dev/null
@@ -1,898 +0,0 @@
-/*
- * TI TWL92230C energy-management companion device for the OMAP24xx.
- * Aka. Menelaus (N4200 MENELAUS1_V2.2)
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski <andrew@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/timer.h"
-#include "hw/i2c/i2c.h"
-#include "hw/irq.h"
-#include "migration/qemu-file-types.h"
-#include "migration/vmstate.h"
-#include "sysemu/sysemu.h"
-#include "ui/console.h"
-#include "qemu/bcd.h"
-#include "qemu/module.h"
-
-#define VERBOSE 1
-
-#define TYPE_TWL92230 "twl92230"
-#define TWL92230(obj) OBJECT_CHECK(MenelausState, (obj), TYPE_TWL92230)
-
-typedef struct MenelausState {
-    I2CSlave parent_obj;
-
-    int firstbyte;
-    uint8_t reg;
-
-    uint8_t vcore[5];
-    uint8_t dcdc[3];
-    uint8_t ldo[8];
-    uint8_t sleep[2];
-    uint8_t osc;
-    uint8_t detect;
-    uint16_t mask;
-    uint16_t status;
-    uint8_t dir;
-    uint8_t inputs;
-    uint8_t outputs;
-    uint8_t bbsms;
-    uint8_t pull[4];
-    uint8_t mmc_ctrl[3];
-    uint8_t mmc_debounce;
-    struct {
-        uint8_t ctrl;
-        uint16_t comp;
-        QEMUTimer *hz_tm;
-        int64_t next;
-        struct tm tm;
-        struct tm new;
-        struct tm alm;
-        int sec_offset;
-        int alm_sec;
-        int next_comp;
-    } rtc;
-    uint16_t rtc_next_vmstate;
-    qemu_irq out[4];
-    uint8_t pwrbtn_state;
-} MenelausState;
-
-static inline void menelaus_update(MenelausState *s)
-{
-    qemu_set_irq(s->out[3], s->status & ~s->mask);
-}
-
-static inline void menelaus_rtc_start(MenelausState *s)
-{
-    s->rtc.next += qemu_clock_get_ms(rtc_clock);
-    timer_mod(s->rtc.hz_tm, s->rtc.next);
-}
-
-static inline void menelaus_rtc_stop(MenelausState *s)
-{
-    timer_del(s->rtc.hz_tm);
-    s->rtc.next -= qemu_clock_get_ms(rtc_clock);
-    if (s->rtc.next < 1)
-        s->rtc.next = 1;
-}
-
-static void menelaus_rtc_update(MenelausState *s)
-{
-    qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
-}
-
-static void menelaus_alm_update(MenelausState *s)
-{
-    if ((s->rtc.ctrl & 3) == 3)
-        s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
-}
-
-static void menelaus_rtc_hz(void *opaque)
-{
-    MenelausState *s = (MenelausState *) opaque;
-
-    s->rtc.next_comp --;
-    s->rtc.alm_sec --;
-    s->rtc.next += 1000;
-    timer_mod(s->rtc.hz_tm, s->rtc.next);
-    if ((s->rtc.ctrl >> 3) & 3) {				/* EVERY */
-        menelaus_rtc_update(s);
-        if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
-            s->status |= 1 << 8;				/* RTCTMR */
-        else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
-            s->status |= 1 << 8;				/* RTCTMR */
-        else if (!s->rtc.tm.tm_hour)
-            s->status |= 1 << 8;				/* RTCTMR */
-    } else
-        s->status |= 1 << 8;					/* RTCTMR */
-    if ((s->rtc.ctrl >> 1) & 1) {				/* RTC_AL_EN */
-        if (s->rtc.alm_sec == 0)
-            s->status |= 1 << 9;				/* RTCALM */
-        /* TODO: wake-up */
-    }
-    if (s->rtc.next_comp <= 0) {
-        s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
-        s->rtc.next_comp = 3600;
-    }
-    menelaus_update(s);
-}
-
-static void menelaus_reset(I2CSlave *i2c)
-{
-    MenelausState *s = TWL92230(i2c);
-
-    s->reg = 0x00;
-
-    s->vcore[0] = 0x0c;	/* XXX: X-loader needs 0x8c? check!  */
-    s->vcore[1] = 0x05;
-    s->vcore[2] = 0x02;
-    s->vcore[3] = 0x0c;
-    s->vcore[4] = 0x03;
-    s->dcdc[0] = 0x33;	/* Depends on wiring */
-    s->dcdc[1] = 0x03;
-    s->dcdc[2] = 0x00;
-    s->ldo[0] = 0x95;
-    s->ldo[1] = 0x7e;
-    s->ldo[2] = 0x00;
-    s->ldo[3] = 0x00;	/* Depends on wiring */
-    s->ldo[4] = 0x03;	/* Depends on wiring */
-    s->ldo[5] = 0x00;
-    s->ldo[6] = 0x00;
-    s->ldo[7] = 0x00;
-    s->sleep[0] = 0x00;
-    s->sleep[1] = 0x00;
-    s->osc = 0x01;
-    s->detect = 0x09;
-    s->mask = 0x0fff;
-    s->status = 0;
-    s->dir = 0x07;
-    s->outputs = 0x00;
-    s->bbsms = 0x00;
-    s->pull[0] = 0x00;
-    s->pull[1] = 0x00;
-    s->pull[2] = 0x00;
-    s->pull[3] = 0x00;
-    s->mmc_ctrl[0] = 0x03;
-    s->mmc_ctrl[1] = 0xc0;
-    s->mmc_ctrl[2] = 0x00;
-    s->mmc_debounce = 0x05;
-
-    if (s->rtc.ctrl & 1)
-        menelaus_rtc_stop(s);
-    s->rtc.ctrl = 0x00;
-    s->rtc.comp = 0x0000;
-    s->rtc.next = 1000;
-    s->rtc.sec_offset = 0;
-    s->rtc.next_comp = 1800;
-    s->rtc.alm_sec = 1800;
-    s->rtc.alm.tm_sec = 0x00;
-    s->rtc.alm.tm_min = 0x00;
-    s->rtc.alm.tm_hour = 0x00;
-    s->rtc.alm.tm_mday = 0x01;
-    s->rtc.alm.tm_mon = 0x00;
-    s->rtc.alm.tm_year = 2004;
-    menelaus_update(s);
-}
-
-static void menelaus_gpio_set(void *opaque, int line, int level)
-{
-    MenelausState *s = (MenelausState *) opaque;
-
-    if (line < 3) {
-        /* No interrupt generated */
-        s->inputs &= ~(1 << line);
-        s->inputs |= level << line;
-        return;
-    }
-
-    if (!s->pwrbtn_state && level) {
-        s->status |= 1 << 11;					/* PSHBTN */
-        menelaus_update(s);
-    }
-    s->pwrbtn_state = level;
-}
-
-#define MENELAUS_REV		0x01
-#define MENELAUS_VCORE_CTRL1	0x02
-#define MENELAUS_VCORE_CTRL2	0x03
-#define MENELAUS_VCORE_CTRL3	0x04
-#define MENELAUS_VCORE_CTRL4	0x05
-#define MENELAUS_VCORE_CTRL5	0x06
-#define MENELAUS_DCDC_CTRL1	0x07
-#define MENELAUS_DCDC_CTRL2	0x08
-#define MENELAUS_DCDC_CTRL3	0x09
-#define MENELAUS_LDO_CTRL1	0x0a
-#define MENELAUS_LDO_CTRL2	0x0b
-#define MENELAUS_LDO_CTRL3	0x0c
-#define MENELAUS_LDO_CTRL4	0x0d
-#define MENELAUS_LDO_CTRL5	0x0e
-#define MENELAUS_LDO_CTRL6	0x0f
-#define MENELAUS_LDO_CTRL7	0x10
-#define MENELAUS_LDO_CTRL8	0x11
-#define MENELAUS_SLEEP_CTRL1	0x12
-#define MENELAUS_SLEEP_CTRL2	0x13
-#define MENELAUS_DEVICE_OFF	0x14
-#define MENELAUS_OSC_CTRL	0x15
-#define MENELAUS_DETECT_CTRL	0x16
-#define MENELAUS_INT_MASK1	0x17
-#define MENELAUS_INT_MASK2	0x18
-#define MENELAUS_INT_STATUS1	0x19
-#define MENELAUS_INT_STATUS2	0x1a
-#define MENELAUS_INT_ACK1	0x1b
-#define MENELAUS_INT_ACK2	0x1c
-#define MENELAUS_GPIO_CTRL	0x1d
-#define MENELAUS_GPIO_IN	0x1e
-#define MENELAUS_GPIO_OUT	0x1f
-#define MENELAUS_BBSMS		0x20
-#define MENELAUS_RTC_CTRL	0x21
-#define MENELAUS_RTC_UPDATE	0x22
-#define MENELAUS_RTC_SEC	0x23
-#define MENELAUS_RTC_MIN	0x24
-#define MENELAUS_RTC_HR		0x25
-#define MENELAUS_RTC_DAY	0x26
-#define MENELAUS_RTC_MON	0x27
-#define MENELAUS_RTC_YR		0x28
-#define MENELAUS_RTC_WKDAY	0x29
-#define MENELAUS_RTC_AL_SEC	0x2a
-#define MENELAUS_RTC_AL_MIN	0x2b
-#define MENELAUS_RTC_AL_HR	0x2c
-#define MENELAUS_RTC_AL_DAY	0x2d
-#define MENELAUS_RTC_AL_MON	0x2e
-#define MENELAUS_RTC_AL_YR	0x2f
-#define MENELAUS_RTC_COMP_MSB	0x30
-#define MENELAUS_RTC_COMP_LSB	0x31
-#define MENELAUS_S1_PULL_EN	0x32
-#define MENELAUS_S1_PULL_DIR	0x33
-#define MENELAUS_S2_PULL_EN	0x34
-#define MENELAUS_S2_PULL_DIR	0x35
-#define MENELAUS_MCT_CTRL1	0x36
-#define MENELAUS_MCT_CTRL2	0x37
-#define MENELAUS_MCT_CTRL3	0x38
-#define MENELAUS_MCT_PIN_ST	0x39
-#define MENELAUS_DEBOUNCE1	0x3a
-
-static uint8_t menelaus_read(void *opaque, uint8_t addr)
-{
-    MenelausState *s = (MenelausState *) opaque;
-    int reg = 0;
-
-    switch (addr) {
-    case MENELAUS_REV:
-        return 0x22;
-
-    case MENELAUS_VCORE_CTRL5: reg ++;
-    case MENELAUS_VCORE_CTRL4: reg ++;
-    case MENELAUS_VCORE_CTRL3: reg ++;
-    case MENELAUS_VCORE_CTRL2: reg ++;
-    case MENELAUS_VCORE_CTRL1:
-        return s->vcore[reg];
-
-    case MENELAUS_DCDC_CTRL3: reg ++;
-    case MENELAUS_DCDC_CTRL2: reg ++;
-    case MENELAUS_DCDC_CTRL1:
-        return s->dcdc[reg];
-
-    case MENELAUS_LDO_CTRL8: reg ++;
-    case MENELAUS_LDO_CTRL7: reg ++;
-    case MENELAUS_LDO_CTRL6: reg ++;
-    case MENELAUS_LDO_CTRL5: reg ++;
-    case MENELAUS_LDO_CTRL4: reg ++;
-    case MENELAUS_LDO_CTRL3: reg ++;
-    case MENELAUS_LDO_CTRL2: reg ++;
-    case MENELAUS_LDO_CTRL1:
-        return s->ldo[reg];
-
-    case MENELAUS_SLEEP_CTRL2: reg ++;
-    case MENELAUS_SLEEP_CTRL1:
-        return s->sleep[reg];
-
-    case MENELAUS_DEVICE_OFF:
-        return 0;
-
-    case MENELAUS_OSC_CTRL:
-        return s->osc | (1 << 7);			/* CLK32K_GOOD */
-
-    case MENELAUS_DETECT_CTRL:
-        return s->detect;
-
-    case MENELAUS_INT_MASK1:
-        return (s->mask >> 0) & 0xff;
-    case MENELAUS_INT_MASK2:
-        return (s->mask >> 8) & 0xff;
-
-    case MENELAUS_INT_STATUS1:
-        return (s->status >> 0) & 0xff;
-    case MENELAUS_INT_STATUS2:
-        return (s->status >> 8) & 0xff;
-
-    case MENELAUS_INT_ACK1:
-    case MENELAUS_INT_ACK2:
-        return 0;
-
-    case MENELAUS_GPIO_CTRL:
-        return s->dir;
-    case MENELAUS_GPIO_IN:
-        return s->inputs | (~s->dir & s->outputs);
-    case MENELAUS_GPIO_OUT:
-        return s->outputs;
-
-    case MENELAUS_BBSMS:
-        return s->bbsms;
-
-    case MENELAUS_RTC_CTRL:
-        return s->rtc.ctrl;
-    case MENELAUS_RTC_UPDATE:
-        return 0x00;
-    case MENELAUS_RTC_SEC:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_sec);
-    case MENELAUS_RTC_MIN:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_min);
-    case MENELAUS_RTC_HR:
-        menelaus_rtc_update(s);
-        if ((s->rtc.ctrl >> 2) & 1)			/* MODE12_n24 */
-            return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
-                    (!!(s->rtc.tm.tm_hour >= 12) << 7);	/* PM_nAM */
-        else
-            return to_bcd(s->rtc.tm.tm_hour);
-    case MENELAUS_RTC_DAY:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_mday);
-    case MENELAUS_RTC_MON:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_mon + 1);
-    case MENELAUS_RTC_YR:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_year - 2000);
-    case MENELAUS_RTC_WKDAY:
-        menelaus_rtc_update(s);
-        return to_bcd(s->rtc.tm.tm_wday);
-    case MENELAUS_RTC_AL_SEC:
-        return to_bcd(s->rtc.alm.tm_sec);
-    case MENELAUS_RTC_AL_MIN:
-        return to_bcd(s->rtc.alm.tm_min);
-    case MENELAUS_RTC_AL_HR:
-        if ((s->rtc.ctrl >> 2) & 1)			/* MODE12_n24 */
-            return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
-                    (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
-        else
-            return to_bcd(s->rtc.alm.tm_hour);
-    case MENELAUS_RTC_AL_DAY:
-        return to_bcd(s->rtc.alm.tm_mday);
-    case MENELAUS_RTC_AL_MON:
-        return to_bcd(s->rtc.alm.tm_mon + 1);
-    case MENELAUS_RTC_AL_YR:
-        return to_bcd(s->rtc.alm.tm_year - 2000);
-    case MENELAUS_RTC_COMP_MSB:
-        return (s->rtc.comp >> 8) & 0xff;
-    case MENELAUS_RTC_COMP_LSB:
-        return (s->rtc.comp >> 0) & 0xff;
-
-    case MENELAUS_S1_PULL_EN:
-        return s->pull[0];
-    case MENELAUS_S1_PULL_DIR:
-        return s->pull[1];
-    case MENELAUS_S2_PULL_EN:
-        return s->pull[2];
-    case MENELAUS_S2_PULL_DIR:
-        return s->pull[3];
-
-    case MENELAUS_MCT_CTRL3: reg ++;
-    case MENELAUS_MCT_CTRL2: reg ++;
-    case MENELAUS_MCT_CTRL1:
-        return s->mmc_ctrl[reg];
-    case MENELAUS_MCT_PIN_ST:
-        /* TODO: return the real Card Detect */
-        return 0;
-    case MENELAUS_DEBOUNCE1:
-        return s->mmc_debounce;
-
-    default:
-#ifdef VERBOSE
-        printf("%s: unknown register %02x\n", __func__, addr);
-#endif
-        break;
-    }
-    return 0;
-}
-
-static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
-{
-    MenelausState *s = (MenelausState *) opaque;
-    int line;
-    int reg = 0;
-    struct tm tm;
-
-    switch (addr) {
-    case MENELAUS_VCORE_CTRL1:
-        s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
-        break;
-    case MENELAUS_VCORE_CTRL2:
-        s->vcore[1] = value;
-        break;
-    case MENELAUS_VCORE_CTRL3:
-        s->vcore[2] = MIN(value & 0x1f, 0x12);
-        break;
-    case MENELAUS_VCORE_CTRL4:
-        s->vcore[3] = MIN(value & 0x1f, 0x12);
-        break;
-    case MENELAUS_VCORE_CTRL5:
-        s->vcore[4] = value & 3;
-        /* XXX
-         * auto set to 3 on M_Active, nRESWARM
-         * auto set to 0 on M_WaitOn, M_Backup
-         */
-        break;
-
-    case MENELAUS_DCDC_CTRL1:
-        s->dcdc[0] = value & 0x3f;
-        break;
-    case MENELAUS_DCDC_CTRL2:
-        s->dcdc[1] = value & 0x07;
-        /* XXX
-         * auto set to 3 on M_Active, nRESWARM
-         * auto set to 0 on M_WaitOn, M_Backup
-         */
-        break;
-    case MENELAUS_DCDC_CTRL3:
-        s->dcdc[2] = value & 0x07;
-        break;
-
-    case MENELAUS_LDO_CTRL1:
-        s->ldo[0] = value;
-        break;
-    case MENELAUS_LDO_CTRL2:
-        s->ldo[1] = value & 0x7f;
-        /* XXX
-         * auto set to 0x7e on M_WaitOn, M_Backup
-         */
-        break;
-    case MENELAUS_LDO_CTRL3:
-        s->ldo[2] = value & 3;
-        /* XXX
-         * auto set to 3 on M_Active, nRESWARM
-         * auto set to 0 on M_WaitOn, M_Backup
-         */
-        break;
-    case MENELAUS_LDO_CTRL4:
-        s->ldo[3] = value & 3;
-        /* XXX
-         * auto set to 3 on M_Active, nRESWARM
-         * auto set to 0 on M_WaitOn, M_Backup
-         */
-        break;
-    case MENELAUS_LDO_CTRL5:
-        s->ldo[4] = value & 3;
-        /* XXX
-         * auto set to 3 on M_Active, nRESWARM
-         * auto set to 0 on M_WaitOn, M_Backup
-         */
-        break;
-    case MENELAUS_LDO_CTRL6:
-        s->ldo[5] = value & 3;
-        break;
-    case MENELAUS_LDO_CTRL7:
-        s->ldo[6] = value & 3;
-        break;
-    case MENELAUS_LDO_CTRL8:
-        s->ldo[7] = value & 3;
-        break;
-
-    case MENELAUS_SLEEP_CTRL2: reg ++;
-    case MENELAUS_SLEEP_CTRL1:
-        s->sleep[reg] = value;
-        break;
-
-    case MENELAUS_DEVICE_OFF:
-        if (value & 1) {
-            menelaus_reset(I2C_SLAVE(s));
-        }
-        break;
-
-    case MENELAUS_OSC_CTRL:
-        s->osc = value & 7;
-        break;
-
-    case MENELAUS_DETECT_CTRL:
-        s->detect = value & 0x7f;
-        break;
-
-    case MENELAUS_INT_MASK1:
-        s->mask &= 0xf00;
-        s->mask |= value << 0;
-        menelaus_update(s);
-        break;
-    case MENELAUS_INT_MASK2:
-        s->mask &= 0x0ff;
-        s->mask |= value << 8;
-        menelaus_update(s);
-        break;
-
-    case MENELAUS_INT_ACK1:
-        s->status &= ~(((uint16_t) value) << 0);
-        menelaus_update(s);
-        break;
-    case MENELAUS_INT_ACK2:
-        s->status &= ~(((uint16_t) value) << 8);
-        menelaus_update(s);
-        break;
-
-    case MENELAUS_GPIO_CTRL:
-        for (line = 0; line < 3; line ++) {
-            if (((s->dir ^ value) >> line) & 1) {
-                qemu_set_irq(s->out[line],
-                             ((s->outputs & ~s->dir) >> line) & 1);
-            }
-        }
-        s->dir = value & 0x67;
-        break;
-    case MENELAUS_GPIO_OUT:
-        for (line = 0; line < 3; line ++) {
-            if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
-                qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
-            }
-        }
-        s->outputs = value & 0x07;
-        break;
-
-    case MENELAUS_BBSMS:
-        s->bbsms = 0x0d;
-        break;
-
-    case MENELAUS_RTC_CTRL:
-        if ((s->rtc.ctrl ^ value) & 1) {			/* RTC_EN */
-            if (value & 1)
-                menelaus_rtc_start(s);
-            else
-                menelaus_rtc_stop(s);
-        }
-        s->rtc.ctrl = value & 0x1f;
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_UPDATE:
-        menelaus_rtc_update(s);
-        memcpy(&tm, &s->rtc.tm, sizeof(tm));
-        switch (value & 0xf) {
-        case 0:
-            break;
-        case 1:
-            tm.tm_sec = s->rtc.new.tm_sec;
-            break;
-        case 2:
-            tm.tm_min = s->rtc.new.tm_min;
-            break;
-        case 3:
-            if (s->rtc.new.tm_hour > 23)
-                goto rtc_badness;
-            tm.tm_hour = s->rtc.new.tm_hour;
-            break;
-        case 4:
-            if (s->rtc.new.tm_mday < 1)
-                goto rtc_badness;
-            /* TODO check range */
-            tm.tm_mday = s->rtc.new.tm_mday;
-            break;
-        case 5:
-            if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
-                goto rtc_badness;
-            tm.tm_mon = s->rtc.new.tm_mon;
-            break;
-        case 6:
-            tm.tm_year = s->rtc.new.tm_year;
-            break;
-        case 7:
-            /* TODO set .tm_mday instead */
-            tm.tm_wday = s->rtc.new.tm_wday;
-            break;
-        case 8:
-            if (s->rtc.new.tm_hour > 23)
-                goto rtc_badness;
-            if (s->rtc.new.tm_mday < 1)
-                goto rtc_badness;
-            if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
-                goto rtc_badness;
-            tm.tm_sec = s->rtc.new.tm_sec;
-            tm.tm_min = s->rtc.new.tm_min;
-            tm.tm_hour = s->rtc.new.tm_hour;
-            tm.tm_mday = s->rtc.new.tm_mday;
-            tm.tm_mon = s->rtc.new.tm_mon;
-            tm.tm_year = s->rtc.new.tm_year;
-            break;
-        rtc_badness:
-        default:
-            fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
-                            __func__, value);
-            s->status |= 1 << 10;				/* RTCERR */
-            menelaus_update(s);
-        }
-        s->rtc.sec_offset = qemu_timedate_diff(&tm);
-        break;
-    case MENELAUS_RTC_SEC:
-        s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
-        break;
-    case MENELAUS_RTC_MIN:
-        s->rtc.tm.tm_min = from_bcd(value & 0x7f);
-        break;
-    case MENELAUS_RTC_HR:
-        s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ?	/* MODE12_n24 */
-                MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
-                from_bcd(value & 0x3f);
-        break;
-    case MENELAUS_RTC_DAY:
-        s->rtc.tm.tm_mday = from_bcd(value);
-        break;
-    case MENELAUS_RTC_MON:
-        s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
-        break;
-    case MENELAUS_RTC_YR:
-        s->rtc.tm.tm_year = 2000 + from_bcd(value);
-        break;
-    case MENELAUS_RTC_WKDAY:
-        s->rtc.tm.tm_mday = from_bcd(value);
-        break;
-    case MENELAUS_RTC_AL_SEC:
-        s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_AL_MIN:
-        s->rtc.alm.tm_min = from_bcd(value & 0x7f);
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_AL_HR:
-        s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ?	/* MODE12_n24 */
-                MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
-                from_bcd(value & 0x3f);
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_AL_DAY:
-        s->rtc.alm.tm_mday = from_bcd(value);
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_AL_MON:
-        s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_AL_YR:
-        s->rtc.alm.tm_year = 2000 + from_bcd(value);
-        menelaus_alm_update(s);
-        break;
-    case MENELAUS_RTC_COMP_MSB:
-        s->rtc.comp &= 0xff;
-        s->rtc.comp |= value << 8;
-        break;
-    case MENELAUS_RTC_COMP_LSB:
-        s->rtc.comp &= 0xff << 8;
-        s->rtc.comp |= value;
-        break;
-
-    case MENELAUS_S1_PULL_EN:
-        s->pull[0] = value;
-        break;
-    case MENELAUS_S1_PULL_DIR:
-        s->pull[1] = value & 0x1f;
-        break;
-    case MENELAUS_S2_PULL_EN:
-        s->pull[2] = value;
-        break;
-    case MENELAUS_S2_PULL_DIR:
-        s->pull[3] = value & 0x1f;
-        break;
-
-    case MENELAUS_MCT_CTRL1:
-        s->mmc_ctrl[0] = value & 0x7f;
-        break;
-    case MENELAUS_MCT_CTRL2:
-        s->mmc_ctrl[1] = value;
-        /* TODO update Card Detect interrupts */
-        break;
-    case MENELAUS_MCT_CTRL3:
-        s->mmc_ctrl[2] = value & 0xf;
-        break;
-    case MENELAUS_DEBOUNCE1:
-        s->mmc_debounce = value & 0x3f;
-        break;
-
-    default:
-#ifdef VERBOSE
-        printf("%s: unknown register %02x\n", __func__, addr);
-#endif
-    }
-}
-
-static int menelaus_event(I2CSlave *i2c, enum i2c_event event)
-{
-    MenelausState *s = TWL92230(i2c);
-
-    if (event == I2C_START_SEND)
-        s->firstbyte = 1;
-
-    return 0;
-}
-
-static int menelaus_tx(I2CSlave *i2c, uint8_t data)
-{
-    MenelausState *s = TWL92230(i2c);
-
-    /* Interpret register address byte */
-    if (s->firstbyte) {
-        s->reg = data;
-        s->firstbyte = 0;
-    } else
-        menelaus_write(s, s->reg ++, data);
-
-    return 0;
-}
-
-static uint8_t menelaus_rx(I2CSlave *i2c)
-{
-    MenelausState *s = TWL92230(i2c);
-
-    return menelaus_read(s, s->reg ++);
-}
-
-/* Save restore 32 bit int as uint16_t
-   This is a Big hack, but it is how the old state did it.
-   Or we broke compatibility in the state, or we can't use struct tm
- */
-
-static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
-                               const VMStateField *field)
-{
-    int *v = pv;
-    *v = qemu_get_be16(f);
-    return 0;
-}
-
-static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
-                               const VMStateField *field, QJSON *vmdesc)
-{
-    int *v = pv;
-    qemu_put_be16(f, *v);
-
-    return 0;
-}
-
-static const VMStateInfo vmstate_hack_int32_as_uint16 = {
-    .name = "int32_as_uint16",
-    .get  = get_int32_as_uint16,
-    .put  = put_int32_as_uint16,
-};
-
-#define VMSTATE_UINT16_HACK(_f, _s)                                  \
-    VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
-
-
-static const VMStateDescription vmstate_menelaus_tm = {
-    .name = "menelaus_tm",
-    .version_id = 0,
-    .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT16_HACK(tm_sec, struct tm),
-        VMSTATE_UINT16_HACK(tm_min, struct tm),
-        VMSTATE_UINT16_HACK(tm_hour, struct tm),
-        VMSTATE_UINT16_HACK(tm_mday, struct tm),
-        VMSTATE_UINT16_HACK(tm_min, struct tm),
-        VMSTATE_UINT16_HACK(tm_year, struct tm),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static int menelaus_pre_save(void *opaque)
-{
-    MenelausState *s = opaque;
-    /* Should be <= 1000 */
-    s->rtc_next_vmstate =  s->rtc.next - qemu_clock_get_ms(rtc_clock);
-
-    return 0;
-}
-
-static int menelaus_post_load(void *opaque, int version_id)
-{
-    MenelausState *s = opaque;
-
-    if (s->rtc.ctrl & 1)					/* RTC_EN */
-        menelaus_rtc_stop(s);
-
-    s->rtc.next = s->rtc_next_vmstate;
-
-    menelaus_alm_update(s);
-    menelaus_update(s);
-    if (s->rtc.ctrl & 1)					/* RTC_EN */
-        menelaus_rtc_start(s);
-    return 0;
-}
-
-static const VMStateDescription vmstate_menelaus = {
-    .name = "menelaus",
-    .version_id = 0,
-    .minimum_version_id = 0,
-    .pre_save = menelaus_pre_save,
-    .post_load = menelaus_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_INT32(firstbyte, MenelausState),
-        VMSTATE_UINT8(reg, MenelausState),
-        VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
-        VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
-        VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
-        VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
-        VMSTATE_UINT8(osc, MenelausState),
-        VMSTATE_UINT8(detect, MenelausState),
-        VMSTATE_UINT16(mask, MenelausState),
-        VMSTATE_UINT16(status, MenelausState),
-        VMSTATE_UINT8(dir, MenelausState),
-        VMSTATE_UINT8(inputs, MenelausState),
-        VMSTATE_UINT8(outputs, MenelausState),
-        VMSTATE_UINT8(bbsms, MenelausState),
-        VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
-        VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
-        VMSTATE_UINT8(mmc_debounce, MenelausState),
-        VMSTATE_UINT8(rtc.ctrl, MenelausState),
-        VMSTATE_UINT16(rtc.comp, MenelausState),
-        VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
-        VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
-                       struct tm),
-        VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
-                       struct tm),
-        VMSTATE_UINT8(pwrbtn_state, MenelausState),
-        VMSTATE_I2C_SLAVE(parent_obj, MenelausState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void twl92230_realize(DeviceState *dev, Error **errp)
-{
-    MenelausState *s = TWL92230(dev);
-
-    s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s);
-    /* Three output pins plus one interrupt pin.  */
-    qdev_init_gpio_out(dev, s->out, 4);
-
-    /* Three input pins plus one power-button pin.  */
-    qdev_init_gpio_in(dev, menelaus_gpio_set, 4);
-
-    menelaus_reset(I2C_SLAVE(dev));
-}
-
-static void twl92230_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
-
-    dc->realize = twl92230_realize;
-    sc->event = menelaus_event;
-    sc->recv = menelaus_rx;
-    sc->send = menelaus_tx;
-    dc->vmsd = &vmstate_menelaus;
-}
-
-static const TypeInfo twl92230_info = {
-    .name          = TYPE_TWL92230,
-    .parent        = TYPE_I2C_SLAVE,
-    .instance_size = sizeof(MenelausState),
-    .class_init    = twl92230_class_init,
-};
-
-static void twl92230_register_types(void)
-{
-    type_register_static(&twl92230_info);
-}
-
-type_init(twl92230_register_types)
diff --git a/hw/timer/xlnx-zynqmp-rtc.c b/hw/timer/xlnx-zynqmp-rtc.c
deleted file mode 100644
index 5692db9..0000000
--- a/hw/timer/xlnx-zynqmp-rtc.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * QEMU model of the Xilinx ZynqMP Real Time Clock (RTC).
- *
- * Copyright (c) 2017 Xilinx Inc.
- *
- * Written-by: Alistair Francis <alistair.francis@xilinx.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/sysbus.h"
-#include "hw/register.h"
-#include "qemu/bitops.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "hw/irq.h"
-#include "hw/ptimer.h"
-#include "qemu/cutils.h"
-#include "sysemu/sysemu.h"
-#include "trace.h"
-#include "hw/timer/xlnx-zynqmp-rtc.h"
-#include "migration/vmstate.h"
-
-#ifndef XLNX_ZYNQMP_RTC_ERR_DEBUG
-#define XLNX_ZYNQMP_RTC_ERR_DEBUG 0
-#endif
-
-static void rtc_int_update_irq(XlnxZynqMPRTC *s)
-{
-    bool pending = s->regs[R_RTC_INT_STATUS] & ~s->regs[R_RTC_INT_MASK];
-    qemu_set_irq(s->irq_rtc_int, pending);
-}
-
-static void addr_error_int_update_irq(XlnxZynqMPRTC *s)
-{
-    bool pending = s->regs[R_ADDR_ERROR] & ~s->regs[R_ADDR_ERROR_INT_MASK];
-    qemu_set_irq(s->irq_addr_error_int, pending);
-}
-
-static uint32_t rtc_get_count(XlnxZynqMPRTC *s)
-{
-    int64_t now = qemu_clock_get_ns(rtc_clock);
-    return s->tick_offset + now / NANOSECONDS_PER_SECOND;
-}
-
-static uint64_t current_time_postr(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-
-    return rtc_get_count(s);
-}
-
-static void rtc_int_status_postw(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-    rtc_int_update_irq(s);
-}
-
-static uint64_t rtc_int_en_prew(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-
-    s->regs[R_RTC_INT_MASK] &= (uint32_t) ~val64;
-    rtc_int_update_irq(s);
-    return 0;
-}
-
-static uint64_t rtc_int_dis_prew(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-
-    s->regs[R_RTC_INT_MASK] |= (uint32_t) val64;
-    rtc_int_update_irq(s);
-    return 0;
-}
-
-static void addr_error_postw(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-    addr_error_int_update_irq(s);
-}
-
-static uint64_t addr_error_int_en_prew(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-
-    s->regs[R_ADDR_ERROR_INT_MASK] &= (uint32_t) ~val64;
-    addr_error_int_update_irq(s);
-    return 0;
-}
-
-static uint64_t addr_error_int_dis_prew(RegisterInfo *reg, uint64_t val64)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(reg->opaque);
-
-    s->regs[R_ADDR_ERROR_INT_MASK] |= (uint32_t) val64;
-    addr_error_int_update_irq(s);
-    return 0;
-}
-
-static const RegisterAccessInfo rtc_regs_info[] = {
-    {   .name = "SET_TIME_WRITE",  .addr = A_SET_TIME_WRITE,
-        .unimp = MAKE_64BIT_MASK(0, 32),
-    },{ .name = "SET_TIME_READ",  .addr = A_SET_TIME_READ,
-        .ro = 0xffffffff,
-        .post_read = current_time_postr,
-    },{ .name = "CALIB_WRITE",  .addr = A_CALIB_WRITE,
-        .unimp = MAKE_64BIT_MASK(0, 32),
-    },{ .name = "CALIB_READ",  .addr = A_CALIB_READ,
-        .ro = 0x1fffff,
-    },{ .name = "CURRENT_TIME",  .addr = A_CURRENT_TIME,
-        .ro = 0xffffffff,
-        .post_read = current_time_postr,
-    },{ .name = "CURRENT_TICK",  .addr = A_CURRENT_TICK,
-        .ro = 0xffff,
-    },{ .name = "ALARM",  .addr = A_ALARM,
-    },{ .name = "RTC_INT_STATUS",  .addr = A_RTC_INT_STATUS,
-        .w1c = 0x3,
-        .post_write = rtc_int_status_postw,
-    },{ .name = "RTC_INT_MASK",  .addr = A_RTC_INT_MASK,
-        .reset = 0x3,
-        .ro = 0x3,
-    },{ .name = "RTC_INT_EN",  .addr = A_RTC_INT_EN,
-        .pre_write = rtc_int_en_prew,
-    },{ .name = "RTC_INT_DIS",  .addr = A_RTC_INT_DIS,
-        .pre_write = rtc_int_dis_prew,
-    },{ .name = "ADDR_ERROR",  .addr = A_ADDR_ERROR,
-        .w1c = 0x1,
-        .post_write = addr_error_postw,
-    },{ .name = "ADDR_ERROR_INT_MASK",  .addr = A_ADDR_ERROR_INT_MASK,
-        .reset = 0x1,
-        .ro = 0x1,
-    },{ .name = "ADDR_ERROR_INT_EN",  .addr = A_ADDR_ERROR_INT_EN,
-        .pre_write = addr_error_int_en_prew,
-    },{ .name = "ADDR_ERROR_INT_DIS",  .addr = A_ADDR_ERROR_INT_DIS,
-        .pre_write = addr_error_int_dis_prew,
-    },{ .name = "CONTROL",  .addr = A_CONTROL,
-        .reset = 0x1000000,
-        .rsvd = 0x70fffffe,
-    },{ .name = "SAFETY_CHK",  .addr = A_SAFETY_CHK,
-    }
-};
-
-static void rtc_reset(DeviceState *dev)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(dev);
-    unsigned int i;
-
-    for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
-        register_reset(&s->regs_info[i]);
-    }
-
-    rtc_int_update_irq(s);
-    addr_error_int_update_irq(s);
-}
-
-static const MemoryRegionOps rtc_ops = {
-    .read = register_read_memory,
-    .write = register_write_memory,
-    .endianness = DEVICE_LITTLE_ENDIAN,
-    .valid = {
-        .min_access_size = 4,
-        .max_access_size = 4,
-    },
-};
-
-static void rtc_init(Object *obj)
-{
-    XlnxZynqMPRTC *s = XLNX_ZYNQMP_RTC(obj);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
-    RegisterInfoArray *reg_array;
-    struct tm current_tm;
-
-    memory_region_init(&s->iomem, obj, TYPE_XLNX_ZYNQMP_RTC,
-                       XLNX_ZYNQMP_RTC_R_MAX * 4);
-    reg_array =
-        register_init_block32(DEVICE(obj), rtc_regs_info,
-                              ARRAY_SIZE(rtc_regs_info),
-                              s->regs_info, s->regs,
-                              &rtc_ops,
-                              XLNX_ZYNQMP_RTC_ERR_DEBUG,
-                              XLNX_ZYNQMP_RTC_R_MAX * 4);
-    memory_region_add_subregion(&s->iomem,
-                                0x0,
-                                &reg_array->mem);
-    sysbus_init_mmio(sbd, &s->iomem);
-    sysbus_init_irq(sbd, &s->irq_rtc_int);
-    sysbus_init_irq(sbd, &s->irq_addr_error_int);
-
-    qemu_get_timedate(&current_tm, 0);
-    s->tick_offset = mktimegm(&current_tm) -
-        qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
-
-    trace_xlnx_zynqmp_rtc_gettime(current_tm.tm_year, current_tm.tm_mon,
-                                  current_tm.tm_mday, current_tm.tm_hour,
-                                  current_tm.tm_min, current_tm.tm_sec);
-}
-
-static int rtc_pre_save(void *opaque)
-{
-    XlnxZynqMPRTC *s = opaque;
-    int64_t now = qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
-
-    /* Add the time at migration */
-    s->tick_offset = s->tick_offset + now;
-
-    return 0;
-}
-
-static int rtc_post_load(void *opaque, int version_id)
-{
-    XlnxZynqMPRTC *s = opaque;
-    int64_t now = qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
-
-    /* Subtract the time after migration. This combined with the pre_save
-     * action results in us having subtracted the time that the guest was
-     * stopped to the offset.
-     */
-    s->tick_offset = s->tick_offset - now;
-
-    return 0;
-}
-
-static const VMStateDescription vmstate_rtc = {
-    .name = TYPE_XLNX_ZYNQMP_RTC,
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .pre_save = rtc_pre_save,
-    .post_load = rtc_post_load,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, XlnxZynqMPRTC, XLNX_ZYNQMP_RTC_R_MAX),
-        VMSTATE_UINT32(tick_offset, XlnxZynqMPRTC),
-        VMSTATE_END_OF_LIST(),
-    }
-};
-
-static void rtc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->reset = rtc_reset;
-    dc->vmsd = &vmstate_rtc;
-}
-
-static const TypeInfo rtc_info = {
-    .name          = TYPE_XLNX_ZYNQMP_RTC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(XlnxZynqMPRTC),
-    .class_init    = rtc_class_init,
-    .instance_init = rtc_init,
-};
-
-static void rtc_register_types(void)
-{
-    type_register_static(&rtc_info);
-}
-
-type_init(rtc_register_types)