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

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

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-10-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-05-07 10:31:41 +08:00 • committed by Song Gao
parent 6dab13c415
commit 81de67213d
1 changed files with 8 additions and 20 deletions
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28
hw/intc/loongarch_pch_pic.c
View file

@ -103,6 +103,12 @@ static uint64_t pch_pic_read(void *opaque, hwaddr addr, uint64_t field_mask)
case PCH_PIC_INT_POL: case PCH_PIC_INT_POL:
val = s->int_polarity; val = s->int_polarity;
break; break;
case PCH_PIC_HTMSI_VEC ... PCH_PIC_HTMSI_VEC_END:
val = *(uint64_t *)(s->htmsi_vector + addr - PCH_PIC_HTMSI_VEC);
break;
case PCH_PIC_ROUTE_ENTRY ... PCH_PIC_ROUTE_ENTRY_END:
val = *(uint64_t *)(s->route_entry + addr - PCH_PIC_ROUTE_ENTRY);
break;
default: default:
qemu_log_mask(LOG_GUEST_ERROR, qemu_log_mask(LOG_GUEST_ERROR,
"pch_pic_read: Bad address 0x%"PRIx64"\n", addr); "pch_pic_read: Bad address 0x%"PRIx64"\n", addr);
@ -264,28 +270,10 @@ static void loongarch_pch_pic_high_writew(void *opaque, hwaddr addr,
static uint64_t loongarch_pch_pic_readb(void *opaque, hwaddr addr, static uint64_t loongarch_pch_pic_readb(void *opaque, hwaddr addr,
unsigned size) unsigned size)
{ {
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque); uint64_t val;
uint64_t val = 0;
int64_t offset_tmp;
addr += PCH_PIC_ROUTE_ENTRY; addr += PCH_PIC_ROUTE_ENTRY;
switch (addr) { val = loongarch_pch_pic_read(opaque, addr, size);
case PCH_PIC_HTMSI_VEC ... PCH_PIC_HTMSI_VEC_END:
offset_tmp = addr - PCH_PIC_HTMSI_VEC;
if (offset_tmp >= 0 && offset_tmp < 64) {
val = s->htmsi_vector[offset_tmp];
}
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) {
val = s->route_entry[offset_tmp];
}
break;
default:
break;
}
trace_loongarch_pch_pic_readb(size, addr, val); trace_loongarch_pch_pic_readb(size, addr, val);
return val; return val;
} }