lasi: move from hw/hppa to hw/misc

Move the LASI device implementation from hw/hppa to hw/misc so that it is
located with all the other miscellaneous devices.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-43-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

6 files changed, 3 insertions, 360 deletions

diff --git a/hw/hppa/Kconfig b/hw/hppa/Kconfig
index 724380e..5dd8b5b 100644
--- a/hw/hppa/Kconfig
+++ b/hw/hppa/Kconfig
@@ -4,6 +4,7 @@ config HPPA_B160L
     imply E1000_PCI
     imply VIRTIO_VGA
     select DINO
+    select LASI
     select SERIAL
     select ISA_BUS
     select I8259
diff --git a/hw/hppa/lasi.c b/hw/hppa/lasi.c
deleted file mode 100644
index 5ef36f3..0000000
--- a/hw/hppa/lasi.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * HP-PARISC Lasi chipset emulation.
- *
- * (C) 2019 by Helge Deller <deller@gmx.de>
- *
- * This work is licensed under the GNU GPL license version 2 or later.
- *
- * Documentation available at:
- * https://parisc.wiki.kernel.org/images-parisc/7/79/Lasi_ers.pdf
- */
-
-#include "qemu/osdep.h"
-#include "qemu/units.h"
-#include "qemu/log.h"
-#include "qapi/error.h"
-#include "trace.h"
-#include "hw/irq.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/runstate.h"
-#include "hppa_sys.h"
-#include "migration/vmstate.h"
-#include "qom/object.h"
-#include "lasi.h"
-
-
-static bool lasi_chip_mem_valid(void *opaque, hwaddr addr,
-                                unsigned size, bool is_write,
-                                MemTxAttrs attrs)
-{
-    bool ret = false;
-
-    switch (addr) {
-    case LASI_IRR:
-    case LASI_IMR:
-    case LASI_IPR:
-    case LASI_ICR:
-    case LASI_IAR:
-
-    case LASI_LPT:
-    case LASI_UART:
-    case LASI_LAN:
-    case LASI_RTC:
-
-    case LASI_PCR ... LASI_AMR:
-        ret = true;
-    }
-
-    trace_lasi_chip_mem_valid(addr, ret);
-    return ret;
-}
-
-static MemTxResult lasi_chip_read_with_attrs(void *opaque, hwaddr addr,
-                                             uint64_t *data, unsigned size,
-                                             MemTxAttrs attrs)
-{
-    LasiState *s = opaque;
-    MemTxResult ret = MEMTX_OK;
-    uint32_t val;
-
-    switch (addr) {
-    case LASI_IRR:
-        val = s->irr;
-        break;
-    case LASI_IMR:
-        val = s->imr;
-        break;
-    case LASI_IPR:
-        val = s->ipr;
-        /* Any read to IPR clears the register.  */
-        s->ipr = 0;
-        break;
-    case LASI_ICR:
-        val = s->icr & ICR_BUS_ERROR_BIT; /* bus_error */
-        break;
-    case LASI_IAR:
-        val = s->iar;
-        break;
-
-    case LASI_LPT:
-    case LASI_UART:
-    case LASI_LAN:
-        val = 0;
-        break;
-    case LASI_RTC:
-        val = time(NULL);
-        val += s->rtc_ref;
-        break;
-
-    case LASI_PCR:
-    case LASI_VER:      /* only version 0 existed. */
-    case LASI_IORESET:
-        val = 0;
-        break;
-    case LASI_ERRLOG:
-        val = s->errlog;
-        break;
-    case LASI_AMR:
-        val = s->amr;
-        break;
-
-    default:
-        /* Controlled by lasi_chip_mem_valid above. */
-        g_assert_not_reached();
-    }
-
-    trace_lasi_chip_read(addr, val);
-
-    *data = val;
-    return ret;
-}
-
-static MemTxResult lasi_chip_write_with_attrs(void *opaque, hwaddr addr,
-                                              uint64_t val, unsigned size,
-                                              MemTxAttrs attrs)
-{
-    LasiState *s = opaque;
-
-    trace_lasi_chip_write(addr, val);
-
-    switch (addr) {
-    case LASI_IRR:
-        /* read-only.  */
-        break;
-    case LASI_IMR:
-        s->imr = val;
-        if (((val & LASI_IRQ_BITS) != val) && (val != 0xffffffff)) {
-            qemu_log_mask(LOG_GUEST_ERROR,
-                "LASI: tried to set invalid %lx IMR value.\n",
-                (unsigned long) val);
-        }
-        break;
-    case LASI_IPR:
-        /* Any write to IPR clears the register. */
-        s->ipr = 0;
-        break;
-    case LASI_ICR:
-        s->icr = val;
-        /* if (val & ICR_TOC_BIT) issue_toc(); */
-        break;
-    case LASI_IAR:
-        s->iar = val;
-        break;
-
-    case LASI_LPT:
-        /* XXX: reset parallel port */
-        break;
-    case LASI_UART:
-        /* XXX: reset serial port */
-        break;
-    case LASI_LAN:
-        /* XXX: reset LAN card */
-        break;
-    case LASI_RTC:
-        s->rtc_ref = val - time(NULL);
-        break;
-
-    case LASI_PCR:
-        if (val == 0x02) { /* immediately power off */
-            qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
-        }
-        break;
-    case LASI_ERRLOG:
-        s->errlog = val;
-        break;
-    case LASI_VER:
-        /* read-only.  */
-        break;
-    case LASI_IORESET:
-        break;  /* XXX: TODO: Reset various devices. */
-    case LASI_AMR:
-        s->amr = val;
-        break;
-
-    default:
-        /* Controlled by lasi_chip_mem_valid above. */
-        g_assert_not_reached();
-    }
-    return MEMTX_OK;
-}
-
-static const MemoryRegionOps lasi_chip_ops = {
-    .read_with_attrs = lasi_chip_read_with_attrs,
-    .write_with_attrs = lasi_chip_write_with_attrs,
-    .endianness = DEVICE_BIG_ENDIAN,
-    .valid = {
-        .min_access_size = 1,
-        .max_access_size = 4,
-        .accepts = lasi_chip_mem_valid,
-    },
-    .impl = {
-        .min_access_size = 1,
-        .max_access_size = 4,
-    },
-};
-
-static const VMStateDescription vmstate_lasi = {
-    .name = "Lasi",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(irr, LasiState),
-        VMSTATE_UINT32(imr, LasiState),
-        VMSTATE_UINT32(ipr, LasiState),
-        VMSTATE_UINT32(icr, LasiState),
-        VMSTATE_UINT32(iar, LasiState),
-        VMSTATE_UINT32(errlog, LasiState),
-        VMSTATE_UINT32(amr, LasiState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-
-static void lasi_set_irq(void *opaque, int irq, int level)
-{
-    LasiState *s = opaque;
-    uint32_t bit = 1u << irq;
-
-    if (level) {
-        s->ipr |= bit;
-        if (bit & s->imr) {
-            uint32_t iar = s->iar;
-            s->irr |= bit;
-            if ((s->icr & ICR_BUS_ERROR_BIT) == 0) {
-                stl_be_phys(&address_space_memory, iar & -32, iar & 31);
-            }
-        }
-    }
-}
-
-static void lasi_reset(DeviceState *dev)
-{
-    LasiState *s = LASI_CHIP(dev);
-
-    s->iar = 0xFFFB0000 + 3; /* CPU_HPA + 3 */
-
-    /* Real time clock (RTC), it's only one 32-bit counter @9000 */
-    s->rtc = time(NULL);
-    s->rtc_ref = 0;
-}
-
-static void lasi_init(Object *obj)
-{
-    LasiState *s = LASI_CHIP(obj);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
-
-    memory_region_init_io(&s->this_mem, OBJECT(s), &lasi_chip_ops,
-                          s, "lasi", 0x100000);
-
-    sysbus_init_mmio(sbd, &s->this_mem);
-
-    qdev_init_gpio_in(DEVICE(obj), lasi_set_irq, LASI_IRQS);
-}
-
-static void lasi_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->reset = lasi_reset;
-    dc->vmsd = &vmstate_lasi;
-}
-
-static const TypeInfo lasi_pcihost_info = {
-    .name          = TYPE_LASI_CHIP,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_init = lasi_init,
-    .instance_size = sizeof(LasiState),
-    .class_init    = lasi_class_init,
-};
-
-static void lasi_register_types(void)
-{
-    type_register_static(&lasi_pcihost_info);
-}
-
-type_init(lasi_register_types)
diff --git a/hw/hppa/lasi.h b/hw/hppa/lasi.h
deleted file mode 100644
index ecc7065..0000000
--- a/hw/hppa/lasi.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * HP-PARISC Lasi chipset emulation.
- *
- * (C) 2019 by Helge Deller <deller@gmx.de>
- *
- * This work is licensed under the GNU GPL license version 2 or later.
- *
- * Documentation available at:
- * https://parisc.wiki.kernel.org/images-parisc/7/79/Lasi_ers.pdf
- */
-
-#ifndef LASI_H
-#define LASI_H
-
-#include "exec/address-spaces.h"
-#include "hw/pci/pci_host.h"
-#include "hw/boards.h"
-
-#define TYPE_LASI_CHIP "lasi-chip"
-OBJECT_DECLARE_SIMPLE_TYPE(LasiState, LASI_CHIP)
-
-#define LASI_IRR        0x00    /* RO */
-#define LASI_IMR        0x04
-#define LASI_IPR        0x08
-#define LASI_ICR        0x0c
-#define LASI_IAR        0x10
-
-#define LASI_LPT        0x02000
-#define LASI_UART       0x05000
-#define LASI_LAN        0x07000
-#define LASI_RTC        0x09000
-
-#define LASI_PCR        0x0C000 /* LASI Power Control register */
-#define LASI_ERRLOG     0x0C004 /* LASI Error Logging register */
-#define LASI_VER        0x0C008 /* LASI Version Control register */
-#define LASI_IORESET    0x0C00C /* LASI I/O Reset register */
-#define LASI_AMR        0x0C010 /* LASI Arbitration Mask register */
-#define LASI_IO_CONF    0x7FFFE /* LASI primary configuration register */
-#define LASI_IO_CONF2   0x7FFFF /* LASI secondary configuration register */
-
-#define LASI_BIT(x)     (1ul << (x))
-#define LASI_IRQ_BITS   (LASI_BIT(5) | LASI_BIT(7) | LASI_BIT(8) | LASI_BIT(9) \
-            | LASI_BIT(13) | LASI_BIT(14) | LASI_BIT(16) | LASI_BIT(17) \
-            | LASI_BIT(18) | LASI_BIT(19) | LASI_BIT(20) | LASI_BIT(21) \
-            | LASI_BIT(26))
-
-#define ICR_BUS_ERROR_BIT  LASI_BIT(8)  /* bit 8 in ICR */
-#define ICR_TOC_BIT        LASI_BIT(1)  /* bit 1 in ICR */
-
-#define LASI_IRQS           27
-
-#define LASI_IRQ_HPA        14
-#define LASI_IRQ_UART_HPA   5
-#define LASI_IRQ_LPT_HPA    7
-#define LASI_IRQ_LAN_HPA    8
-#define LASI_IRQ_SCSI_HPA   9
-#define LASI_IRQ_AUDIO_HPA  13
-#define LASI_IRQ_PS2KBD_HPA 26
-#define LASI_IRQ_PS2MOU_HPA 26
-
-struct LasiState {
-    PCIHostState parent_obj;
-
-    uint32_t irr;
-    uint32_t imr;
-    uint32_t ipr;
-    uint32_t icr;
-    uint32_t iar;
-
-    uint32_t errlog;
-    uint32_t amr;
-    uint32_t rtc;
-    time_t rtc_ref;
-
-    MemoryRegion this_mem;
-};
-
-#endif
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 9d904b7..f3d72b4 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -22,7 +22,7 @@
 #include "hw/nmi.h"
 #include "hw/pci/pci.h"
 #include "hw/pci-host/dino.h"
-#include "lasi.h"
+#include "hw/misc/lasi.h"
 #include "hppa_sys.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
diff --git a/hw/hppa/meson.build b/hw/hppa/meson.build
index a6f9db4..bd5a1fb 100644
--- a/hw/hppa/meson.build
+++ b/hw/hppa/meson.build
@@ -1,4 +1,4 @@
 hppa_ss = ss.source_set()
-hppa_ss.add(when: 'CONFIG_HPPA_B160L', if_true: files('pci.c', 'machine.c', 'lasi.c'))
+hppa_ss.add(when: 'CONFIG_HPPA_B160L', if_true: files('pci.c', 'machine.c'))
 
 hw_arch += {'hppa': hppa_ss}
diff --git a/hw/hppa/trace-events b/hw/hppa/trace-events
index 871a473..1a4fbe2 100644
--- a/hw/hppa/trace-events
+++ b/hw/hppa/trace-events
@@ -2,8 +2,3 @@
 
 # pci.c
 hppa_pci_iack_write(void) ""
-
-# lasi.c
-lasi_chip_mem_valid(uint64_t addr, uint32_t val) "access to addr 0x%"PRIx64" is %d"
-lasi_chip_read(uint64_t addr, uint32_t val) "addr 0x%"PRIx64" val 0x%08x"
-lasi_chip_write(uint64_t addr, uint32_t val) "addr 0x%"PRIx64" val 0x%08x"