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hw/intc/loongarch_pch: Use generic write callback for iomem32_low region

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For memory region iomem32_low, generic write callback is used.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-11-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-05-07 10:31:42 +08:00 committed by Song Gao
parent 81de67213d
commit f5dc4993fc
1 changed files with 73 additions and 67 deletions
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140
hw/intc/loongarch_pch_pic.c
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@ -118,6 +118,53 @@ static uint64_t pch_pic_read(void *opaque, hwaddr addr, uint64_t field_mask)
return (val >> (offset * 8)) & field_mask; return (val >> (offset * 8)) & field_mask;
} }
static void pch_pic_write(void *opaque, hwaddr addr, uint64_t value,
uint64_t field_mask)
{
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
uint32_t offset;
uint64_t old, mask, data;
offset = addr & 7;
addr -= offset;
mask = field_mask << (offset * 8);
data = (value & field_mask) << (offset * 8);
switch (addr) {
case PCH_PIC_INT_MASK:
old = s->int_mask;
s->int_mask = (old & ~mask) | data;
if (old & ~data) {
pch_pic_update_irq(s, old & ~data, 1);
}
if (~old & data) {
pch_pic_update_irq(s, ~old & data, 0);
}
break;
case PCH_PIC_INT_EDGE:
s->intedge = (s->intedge & ~mask) | data;
break;
case PCH_PIC_INT_CLEAR:
if (s->intedge & data) {
s->intirr &= ~data;
pch_pic_update_irq(s, data, 0);
s->intisr &= ~data;
}
break;
case PCH_PIC_HTMSI_EN:
s->htmsi_en = (s->htmsi_en & ~mask) | data;
break;
case PCH_PIC_AUTO_CTRL0:
case PCH_PIC_AUTO_CTRL1:
/* Discard auto_ctrl access */
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"pch_pic_write: Bad address 0x%"PRIx64"\n", addr);
break;
}
}
static uint64_t loongarch_pch_pic_read(void *opaque, hwaddr addr, static uint64_t loongarch_pch_pic_read(void *opaque, hwaddr addr,
unsigned size) unsigned size)
{ {
@ -145,6 +192,30 @@ static uint64_t loongarch_pch_pic_read(void *opaque, hwaddr addr,
return val; return val;
} }
static void loongarch_pch_pic_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
switch (size) {
case 1:
pch_pic_write(opaque, addr, value, UCHAR_MAX);
break;
case 2:
pch_pic_write(opaque, addr, value, USHRT_MAX);
break;
break;
case 4:
pch_pic_write(opaque, addr, value, UINT_MAX);
break;
case 8:
pch_pic_write(opaque, addr, value, UINT64_MAX);
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"loongarch_pch_pic_write: Bad size %d\n", size);
break;
}
}
static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr, static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
unsigned size) unsigned size)
{ {
@ -166,73 +237,8 @@ static uint64_t get_writew_val(uint64_t value, uint32_t target, bool hi)
static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr, static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
uint64_t value, unsigned size) uint64_t value, unsigned size)
{ {
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque); trace_loongarch_pch_pic_low_writew(size, addr, value);
uint32_t old_valid, data = (uint32_t)value; loongarch_pch_pic_write(opaque, addr, value, size);
uint64_t old, int_mask;
trace_loongarch_pch_pic_low_writew(size, addr, data);
switch (addr) {
case PCH_PIC_INT_MASK:
old = s->int_mask;
s->int_mask = get_writew_val(old, data, 0);
old_valid = (uint32_t)old;
if (old_valid & ~data) {
pch_pic_update_irq(s, (old_valid & ~data), 1);
}
if (~old_valid & data) {
pch_pic_update_irq(s, (~old_valid & data), 0);
}
break;
case PCH_PIC_INT_MASK + 4:
old = s->int_mask;
s->int_mask = get_writew_val(old, data, 1);
old_valid = (uint32_t)(old >> 32);
int_mask = old_valid & ~data;
if (int_mask) {
pch_pic_update_irq(s, int_mask << 32, 1);
}
int_mask = ~old_valid & data;
if (int_mask) {
pch_pic_update_irq(s, int_mask << 32, 0);
}
break;
case PCH_PIC_INT_EDGE:
s->intedge = get_writew_val(s->intedge, data, 0);
break;
case PCH_PIC_INT_EDGE + 4:
s->intedge = get_writew_val(s->intedge, data, 1);
break;
case PCH_PIC_INT_CLEAR:
if (s->intedge & data) {
s->intirr &= (~data);
pch_pic_update_irq(s, data, 0);
s->intisr &= (~data);
}
break;
case PCH_PIC_INT_CLEAR + 4:
value <<= 32;
if (s->intedge & value) {
s->intirr &= (~value);
pch_pic_update_irq(s, value, 0);
s->intisr &= (~value);
}
break;
case PCH_PIC_HTMSI_EN:
s->htmsi_en = get_writew_val(s->htmsi_en, data, 0);
break;
case PCH_PIC_HTMSI_EN + 4:
s->htmsi_en = get_writew_val(s->htmsi_en, data, 1);
break;
case PCH_PIC_AUTO_CTRL0:
case PCH_PIC_AUTO_CTRL0 + 4:
case PCH_PIC_AUTO_CTRL1:
case PCH_PIC_AUTO_CTRL1 + 4:
/* discard auto_ctrl access */
break;
default:
break;
}
} }
static uint64_t loongarch_pch_pic_high_readw(void *opaque, hwaddr addr, static uint64_t loongarch_pch_pic_high_readw(void *opaque, hwaddr addr,