Drop the deprecated lm32 target

Target lm32 was deprecated in commit d8498005122, v5.2.0.  See there
for rationale.

Some of its code lives on in device models derived from milkymist
ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c.

Cc: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210503084034.3804963-2-armbru@redhat.com>
Acked-by: Michael Walle <michael@walle.cc>
[Trivial conflicts resolved, reST markup fixed]

3 files changed, 0 insertions, 205 deletions

diff --git a/hw/intc/lm32_pic.c b/hw/intc/lm32_pic.c
deleted file mode 100644
index 991a90b..0000000
--- a/hw/intc/lm32_pic.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- *  LatticeMico32 CPU interrupt controller logic.
- *
- *  Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-
-#include "migration/vmstate.h"
-#include "monitor/monitor.h"
-#include "qemu/module.h"
-#include "hw/sysbus.h"
-#include "trace.h"
-#include "hw/lm32/lm32_pic.h"
-#include "hw/intc/intc.h"
-#include "hw/irq.h"
-#include "qom/object.h"
-
-#define TYPE_LM32_PIC "lm32-pic"
-OBJECT_DECLARE_SIMPLE_TYPE(LM32PicState, LM32_PIC)
-
-struct LM32PicState {
-    SysBusDevice parent_obj;
-
-    qemu_irq parent_irq;
-    uint32_t im;        /* interrupt mask */
-    uint32_t ip;        /* interrupt pending */
-    uint32_t irq_state;
-
-    /* statistics */
-    uint64_t stats_irq_count[32];
-};
-
-static void update_irq(LM32PicState *s)
-{
-    s->ip |= s->irq_state;
-
-    if (s->ip & s->im) {
-        trace_lm32_pic_raise_irq();
-        qemu_irq_raise(s->parent_irq);
-    } else {
-        trace_lm32_pic_lower_irq();
-        qemu_irq_lower(s->parent_irq);
-    }
-}
-
-static void irq_handler(void *opaque, int irq, int level)
-{
-    LM32PicState *s = opaque;
-
-    assert(irq < 32);
-    trace_lm32_pic_interrupt(irq, level);
-
-    if (level) {
-        s->irq_state |= (1 << irq);
-        s->stats_irq_count[irq]++;
-    } else {
-        s->irq_state &= ~(1 << irq);
-    }
-
-    update_irq(s);
-}
-
-void lm32_pic_set_im(DeviceState *d, uint32_t im)
-{
-    LM32PicState *s = LM32_PIC(d);
-
-    trace_lm32_pic_set_im(im);
-    s->im = im;
-
-    update_irq(s);
-}
-
-void lm32_pic_set_ip(DeviceState *d, uint32_t ip)
-{
-    LM32PicState *s = LM32_PIC(d);
-
-    trace_lm32_pic_set_ip(ip);
-
-    /* ack interrupt */
-    s->ip &= ~ip;
-
-    update_irq(s);
-}
-
-uint32_t lm32_pic_get_im(DeviceState *d)
-{
-    LM32PicState *s = LM32_PIC(d);
-
-    trace_lm32_pic_get_im(s->im);
-    return s->im;
-}
-
-uint32_t lm32_pic_get_ip(DeviceState *d)
-{
-    LM32PicState *s = LM32_PIC(d);
-
-    trace_lm32_pic_get_ip(s->ip);
-    return s->ip;
-}
-
-static void pic_reset(DeviceState *d)
-{
-    LM32PicState *s = LM32_PIC(d);
-    int i;
-
-    s->im = 0;
-    s->ip = 0;
-    s->irq_state = 0;
-    for (i = 0; i < 32; i++) {
-        s->stats_irq_count[i] = 0;
-    }
-}
-
-static bool lm32_get_statistics(InterruptStatsProvider *obj,
-                                uint64_t **irq_counts, unsigned int *nb_irqs)
-{
-    LM32PicState *s = LM32_PIC(obj);
-    *irq_counts = s->stats_irq_count;
-    *nb_irqs = ARRAY_SIZE(s->stats_irq_count);
-    return true;
-}
-
-static void lm32_print_info(InterruptStatsProvider *obj, Monitor *mon)
-{
-    LM32PicState *s = LM32_PIC(obj);
-    monitor_printf(mon, "lm32-pic: im=%08x ip=%08x irq_state=%08x\n",
-            s->im, s->ip, s->irq_state);
-}
-
-static void lm32_pic_init(Object *obj)
-{
-    DeviceState *dev = DEVICE(obj);
-    LM32PicState *s = LM32_PIC(obj);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
-
-    qdev_init_gpio_in(dev, irq_handler, 32);
-    sysbus_init_irq(sbd, &s->parent_irq);
-}
-
-static const VMStateDescription vmstate_lm32_pic = {
-    .name = "lm32-pic",
-    .version_id = 2,
-    .minimum_version_id = 2,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(im, LM32PicState),
-        VMSTATE_UINT32(ip, LM32PicState),
-        VMSTATE_UINT32(irq_state, LM32PicState),
-        VMSTATE_UINT64_ARRAY(stats_irq_count, LM32PicState, 32),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void lm32_pic_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass);
-
-    dc->reset = pic_reset;
-    dc->vmsd = &vmstate_lm32_pic;
-    ic->get_statistics = lm32_get_statistics;
-    ic->print_info = lm32_print_info;
-}
-
-static const TypeInfo lm32_pic_info = {
-    .name          = TYPE_LM32_PIC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(LM32PicState),
-    .instance_init = lm32_pic_init,
-    .class_init    = lm32_pic_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_INTERRUPT_STATS_PROVIDER },
-        { }
-    },
-};
-
-static void lm32_pic_register_types(void)
-{
-    type_register_static(&lm32_pic_info);
-}
-
-type_init(lm32_pic_register_types)
diff --git a/hw/intc/meson.build b/hw/intc/meson.build
index 1c29903..cc7a140 100644
--- a/hw/intc/meson.build
+++ b/hw/intc/meson.build
@@ -14,7 +14,6 @@ softmmu_ss.add(when: 'CONFIG_HEATHROW_PIC', if_true: files('heathrow_pic.c'))
 softmmu_ss.add(when: 'CONFIG_I8259', if_true: files('i8259_common.c', 'i8259.c'))
 softmmu_ss.add(when: 'CONFIG_IMX', if_true: files('imx_avic.c', 'imx_gpcv2.c'))
 softmmu_ss.add(when: 'CONFIG_IOAPIC', if_true: files('ioapic_common.c'))
-softmmu_ss.add(when: 'CONFIG_LM32_DEVICES', if_true: files('lm32_pic.c'))
 softmmu_ss.add(when: 'CONFIG_OPENPIC', if_true: files('openpic.c'))
 softmmu_ss.add(when: 'CONFIG_PL190', if_true: files('pl190.c'))
 softmmu_ss.add(when: 'CONFIG_PUV3', if_true: files('puv3_intc.c'))
diff --git a/hw/intc/trace-events b/hw/intc/trace-events
index c9ab172..626bb55 100644
--- a/hw/intc/trace-events
+++ b/hw/intc/trace-events
@@ -51,15 +51,6 @@ grlib_irqmp_set_irq(int irq) "Raise CPU IRQ %d"
 grlib_irqmp_readl_unknown(uint64_t addr) "addr 0x%"PRIx64
 grlib_irqmp_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
 
-# lm32_pic.c
-lm32_pic_raise_irq(void) "Raise CPU interrupt"
-lm32_pic_lower_irq(void) "Lower CPU interrupt"
-lm32_pic_interrupt(int irq, int level) "Set IRQ%d %d"
-lm32_pic_set_im(uint32_t im) "im 0x%08x"
-lm32_pic_set_ip(uint32_t ip) "ip 0x%08x"
-lm32_pic_get_im(uint32_t im) "im 0x%08x"
-lm32_pic_get_ip(uint32_t ip) "ip 0x%08x"
-
 # xics.c
 xics_icp_check_ipi(int server, uint8_t mfrr) "CPU %d can take IPI mfrr=0x%x"
 xics_icp_accept(uint32_t old_xirr, uint32_t new_xirr) "icp_accept: XIRR 0x%"PRIx32"->0x%"PRIx32