vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

esp: lower IRQ on soft reset 

42f1ced228 removed irq lowering
during reset. However, for chip reset command and DMA reset signal,
its actually the correct thing to do.

Lower IRQ on soft reset only.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
master
Blue Swirl 2010-06-10 17:57:39 +00:00
parent e163ae7b8f
commit 85948643b8
1 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
hw/esp.c
View File

@ -419,7 +419,7 @@ static void handle_ti(ESPState *s)
}
}
static void esp_reset(DeviceState *d)
static void esp_hard_reset(DeviceState *d)
{
ESPState *s = container_of(d, ESPState, busdev.qdev);
@ -435,10 +435,19 @@ static void esp_reset(DeviceState *d)
s->rregs[ESP_CFG1] = 7;
}
static void esp_soft_reset(DeviceState *d)
{
ESPState *s = container_of(d, ESPState, busdev.qdev);
qemu_irq_lower(s->irq);
esp_hard_reset(d);
}
static void parent_esp_reset(void *opaque, int irq, int level)
{
if (level)
esp_reset(opaque);
if (level) {
esp_soft_reset(opaque);
}
}
static uint32_t esp_mem_readb(void *opaque, target_phys_addr_t addr)
@ -528,7 +537,7 @@ static void esp_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
break;
case CMD_RESET:
DPRINTF("Chip reset (%2.2x)\n", val);
esp_reset(&s->busdev.qdev);
esp_soft_reset(&s->busdev.qdev);
break;
case CMD_BUSRESET:
DPRINTF("Bus reset (%2.2x)\n", val);
@ -679,7 +688,7 @@ static SysBusDeviceInfo esp_info = {
.qdev.name = "esp",
.qdev.size = sizeof(ESPState),
.qdev.vmsd = &vmstate_esp,
.qdev.reset = esp_reset,
.qdev.reset = esp_hard_reset,
.qdev.props = (Property[]) {
{.name = NULL}
}