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hw/intc/loongarch_pch: Use generic write callback for iomem8 region

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Add iomem8 region register write operation emulation in generic write
function loongarch_pch_pic_write(), and use this function for iomem8
region.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-05-07 10:37:50 +08:00 • committed by Song Gao
parent 2618d65036
commit a6fdd0032c
1 changed files with 10 additions and 21 deletions
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31
hw/intc/loongarch_pch_pic.c
View file

@ -123,7 +123,7 @@ static void pch_pic_write(void *opaque, hwaddr addr, uint64_t value,
{
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
uint32_t offset;
uint64_t old, mask, data;
uint64_t old, mask, data, *ptemp;
offset = addr & 7;
addr -= offset;
@ -161,6 +161,14 @@ static void pch_pic_write(void *opaque, hwaddr addr, uint64_t value,
case PCH_PIC_INT_POL:
s->int_polarity = (s->int_polarity & ~mask) | data;
break;
case PCH_PIC_HTMSI_VEC ... PCH_PIC_HTMSI_VEC_END:
ptemp = (uint64_t *)(s->htmsi_vector + addr - PCH_PIC_HTMSI_VEC);
*ptemp = (*ptemp & ~mask) | data;
break;
case PCH_PIC_ROUTE_ENTRY ... PCH_PIC_ROUTE_ENTRY_END:
ptemp = (uint64_t *)(s->route_entry + addr - PCH_PIC_ROUTE_ENTRY);
*ptemp = (*ptemp & ~mask) | data;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"pch_pic_write: Bad address 0x%"PRIx64"\n", addr);
@ -269,28 +277,9 @@ static uint64_t loongarch_pch_pic_readb(void *opaque, hwaddr addr,
static void loongarch_pch_pic_writeb(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
int32_t offset_tmp;
addr += PCH_PIC_ROUTE_ENTRY;
trace_loongarch_pch_pic_writeb(size, addr, data);
switch (addr) {
case PCH_PIC_HTMSI_VEC ... PCH_PIC_HTMSI_VEC_END:
offset_tmp = addr - PCH_PIC_HTMSI_VEC;
if (offset_tmp >= 0 && offset_tmp < 64) {
s->htmsi_vector[offset_tmp] = (uint8_t)(data & 0xff);
}
break;
case PCH_PIC_ROUTE_ENTRY ... PCH_PIC_ROUTE_ENTRY_END:
offset_tmp = addr - PCH_PIC_ROUTE_ENTRY;
if (offset_tmp >= 0 && offset_tmp < 64) {
s->route_entry[offset_tmp] = (uint8_t)(data & 0xff);
}
break;
default:
break;
}
loongarch_pch_pic_write(opaque, addr, data, size);
}
static const MemoryRegionOps loongarch_pch_pic_reg32_low_ops = {