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hw/intc/loongarch_pch: Use generic read callback for iomem32_high region

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Add register read operation emulation in generic read function
loongarch_pch_pic_read(), and use this function for iomem32_high region.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-9-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-05-07 10:31:40 +08:00 • committed by Song Gao
parent 9e29bf4e4c
commit 6dab13c415
1 changed files with 8 additions and 19 deletions
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27
hw/intc/loongarch_pch_pic.c
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@ -97,6 +97,12 @@ static uint64_t pch_pic_read(void *opaque, hwaddr addr, uint64_t field_mask)
case PCH_PIC_AUTO_CTRL1:
/* PCH PIC connect to EXTIOI always, discard auto_ctrl access */
break;
case PCH_PIC_INT_STATUS:
val = s->intisr & (~s->int_mask);
break;
case PCH_PIC_INT_POL:
val = s->int_polarity;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"pch_pic_read: Bad address 0x%"PRIx64"\n", addr);
@ -226,27 +232,10 @@ static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
static uint64_t loongarch_pch_pic_high_readw(void *opaque, hwaddr addr,
unsigned size)
{
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
uint64_t val = 0;
uint64_t val;
addr += PCH_PIC_INT_STATUS;
switch (addr) {
case PCH_PIC_INT_STATUS:
val = (uint32_t)(s->intisr & (~s->int_mask));
break;
case PCH_PIC_INT_STATUS + 4:
val = (s->intisr & (~s->int_mask)) >> 32;
break;
case PCH_PIC_INT_POL:
val = (uint32_t)s->int_polarity;
break;
case PCH_PIC_INT_POL + 4:
val = s->int_polarity >> 32;
break;
default:
break;
}
val = loongarch_pch_pic_read(opaque, addr, size);
trace_loongarch_pch_pic_high_readw(size, addr, val);
return val;
}