haraldwolff/qemu-patch-raspberry4
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dp8393x: convert to memory API

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Fixes address space leak on hotunplug.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-09 18:22:37 +02:00
parent df182043ab
commit 024e5bb664
3 changed files with 17 additions and 16 deletions
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30
hw/dp8393x.c
View file

@ -156,7 +156,8 @@ typedef struct dp8393xState {
int64_t wt_last_update;
NICConf conf;
NICState *nic;
int mmio_index;
MemoryRegion *address_space;
MemoryRegion mmio;
/* Registers */
uint8_t cam[16][6];
@ -664,16 +665,12 @@ static void dp8393x_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
dp8393x_writew(opaque, addr + 2, (val >> 16) & 0xffff);
}
static CPUReadMemoryFunc * const dp8393x_read[3] = {
dp8393x_readb,
dp8393x_readw,
dp8393x_readl,
};
static CPUWriteMemoryFunc * const dp8393x_write[3] = {
dp8393x_writeb,
dp8393x_writew,
dp8393x_writel,
static const MemoryRegionOps dp8393x_ops = {
.old_mmio = {
.read = { dp8393x_readb, dp8393x_readw, dp8393x_readl, },
.write = { dp8393x_writeb, dp8393x_writew, dp8393x_writel, },
},
.endianness = DEVICE_NATIVE_ENDIAN,
};
static int nic_can_receive(VLANClientState *nc)
@ -865,7 +862,8 @@ static void nic_cleanup(VLANClientState *nc)
{
dp8393xState *s = DO_UPCAST(NICState, nc, nc)->opaque;
cpu_unregister_io_memory(s->mmio_index);
memory_region_del_subregion(s->address_space, &s->mmio);
memory_region_destroy(&s->mmio);
qemu_del_timer(s->watchdog);
qemu_free_timer(s->watchdog);
@ -882,6 +880,7 @@ static NetClientInfo net_dp83932_info = {
};
void dp83932_init(NICInfo *nd, target_phys_addr_t base, int it_shift,
MemoryRegion *address_space,
qemu_irq irq, void* mem_opaque,
void (*memory_rw)(void *opaque, target_phys_addr_t addr, uint8_t *buf, int len, int is_write))
{
@ -891,6 +890,7 @@ void dp83932_init(NICInfo *nd, target_phys_addr_t base, int it_shift,
s = g_malloc0(sizeof(dp8393xState));
s->address_space = address_space;
s->mem_opaque = mem_opaque;
s->memory_rw = memory_rw;
s->it_shift = it_shift;
@ -908,7 +908,7 @@ void dp83932_init(NICInfo *nd, target_phys_addr_t base, int it_shift,
qemu_register_reset(nic_reset, s);
nic_reset(s);
s->mmio_index = cpu_register_io_memory(dp8393x_read, dp8393x_write, s,
DEVICE_NATIVE_ENDIAN);
cpu_register_physical_memory(base, 0x40 << it_shift, s->mmio_index);
memory_region_init_io(&s->mmio, &dp8393x_ops, s,
"dp8393x", 0x40 << it_shift);
memory_region_add_subregion(address_space, base, &s->mmio);
}

1
hw/mips.h
View file

@ -25,6 +25,7 @@ void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
/* dp8393x.c */
void dp83932_init(NICInfo *nd, target_phys_addr_t base, int it_shift,
MemoryRegion *address_space,
qemu_irq irq, void* mem_opaque,
void (*memory_rw)(void *opaque, target_phys_addr_t addr, uint8_t *buf, int len, int is_write));

2
hw/mips_jazz.c
View file

@ -227,7 +227,7 @@ static void mips_jazz_init(MemoryRegion *address_space,
if (!nd->model)
nd->model = g_strdup("dp83932");
if (strcmp(nd->model, "dp83932") == 0) {
dp83932_init(nd, 0x80001000, 2, rc4030[4],
dp83932_init(nd, 0x80001000, 2, get_system_memory(), rc4030[4],
rc4030_opaque, rc4030_dma_memory_rw);
break;
} else if (strcmp(nd->model, "?") == 0) {