mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
ab728275e4
Code change produced with:
$ git grep '#include "exec/address-spaces.h"' hw include/hw | \
cut -d: -f-1 | \
xargs egrep -L "(get_system_|address_space_)" | \
xargs sed -i.bak '/#include "exec\/address-spaces.h"/d'
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180528232719.4721-12-f4bug@amsat.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
|
|
* LED, Switch and Debug control registers for ARM Integrator Boards
|
|
*
|
|
* This is currently a stub for this functionality but at least
|
|
* ensures something other than unassigned_mem_read() handles access
|
|
* to this area.
|
|
*
|
|
* The real h/w is described at:
|
|
* http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0159b/Babbfijf.html
|
|
*
|
|
* Copyright (c) 2013 Alex Bennée <alex@bennee.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "hw/hw.h"
|
|
#include "hw/sysbus.h"
|
|
#include "hw/misc/arm_integrator_debug.h"
|
|
#include "qemu/log.h"
|
|
|
|
#define INTEGRATOR_DEBUG(obj) \
|
|
OBJECT_CHECK(IntegratorDebugState, (obj), TYPE_INTEGRATOR_DEBUG)
|
|
|
|
typedef struct {
|
|
SysBusDevice parent_obj;
|
|
|
|
MemoryRegion iomem;
|
|
} IntegratorDebugState;
|
|
|
|
static uint64_t intdbg_control_read(void *opaque, hwaddr offset,
|
|
unsigned size)
|
|
{
|
|
switch (offset >> 2) {
|
|
case 0: /* ALPHA */
|
|
case 1: /* LEDS */
|
|
case 2: /* SWITCHES */
|
|
qemu_log_mask(LOG_UNIMP,
|
|
"%s: returning zero from %" HWADDR_PRIx ":%u\n",
|
|
__func__, offset, size);
|
|
return 0;
|
|
default:
|
|
qemu_log_mask(LOG_GUEST_ERROR,
|
|
"%s: Bad offset %" HWADDR_PRIx,
|
|
__func__, offset);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void intdbg_control_write(void *opaque, hwaddr offset,
|
|
uint64_t value, unsigned size)
|
|
{
|
|
switch (offset >> 2) {
|
|
case 1: /* ALPHA */
|
|
case 2: /* LEDS */
|
|
case 3: /* SWITCHES */
|
|
/* Nothing interesting implemented yet. */
|
|
qemu_log_mask(LOG_UNIMP,
|
|
"%s: ignoring write of %" PRIu64
|
|
" to %" HWADDR_PRIx ":%u\n",
|
|
__func__, value, offset, size);
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_GUEST_ERROR,
|
|
"%s: write of %" PRIu64
|
|
" to bad offset %" HWADDR_PRIx "\n",
|
|
__func__, value, offset);
|
|
}
|
|
}
|
|
|
|
static const MemoryRegionOps intdbg_control_ops = {
|
|
.read = intdbg_control_read,
|
|
.write = intdbg_control_write,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
};
|
|
|
|
static void intdbg_control_init(Object *obj)
|
|
{
|
|
SysBusDevice *sd = SYS_BUS_DEVICE(obj);
|
|
IntegratorDebugState *s = INTEGRATOR_DEBUG(obj);
|
|
|
|
memory_region_init_io(&s->iomem, obj, &intdbg_control_ops,
|
|
NULL, "dbg-leds", 0x1000000);
|
|
sysbus_init_mmio(sd, &s->iomem);
|
|
}
|
|
|
|
static const TypeInfo intdbg_info = {
|
|
.name = TYPE_INTEGRATOR_DEBUG,
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
.instance_size = sizeof(IntegratorDebugState),
|
|
.instance_init = intdbg_control_init,
|
|
};
|
|
|
|
static void intdbg_register_types(void)
|
|
{
|
|
type_register_static(&intdbg_info);
|
|
}
|
|
|
|
type_init(intdbg_register_types)
|