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

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For memory region iomem32_low, generic read callback is used.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-8-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-05-07 10:31:39 +08:00 • committed by Song Gao
parent 53339a8120
commit 9e29bf4e4c
1 changed files with 47 additions and 20 deletions
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67
hw/intc/loongarch_pch_pic.c
View file

@ -7,6 +7,7 @@
#include "qemu/osdep.h"
#include "qemu/bitops.h"
#include "qemu/log.h"
#include "hw/irq.h"
#include "hw/intc/loongarch_pch_pic.h"
#include "trace.h"
@ -71,47 +72,73 @@ static void pch_pic_irq_handler(void *opaque, int irq, int level)
pch_pic_update_irq(s, mask, level);
}
static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
unsigned size)
static uint64_t pch_pic_read(void *opaque, hwaddr addr, uint64_t field_mask)
{
LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
uint64_t val = 0;
uint32_t offset;
offset = addr & 7;
addr -= offset;
switch (addr) {
case PCH_PIC_INT_ID:
val = s->id.data & UINT_MAX;
break;
case PCH_PIC_INT_ID + 4:
val = s->id.data >> 32;
val = s->id.data;
break;
case PCH_PIC_INT_MASK:
val = (uint32_t)s->int_mask;
break;
case PCH_PIC_INT_MASK + 4:
val = s->int_mask >> 32;
val = s->int_mask;
break;
case PCH_PIC_INT_EDGE:
val = (uint32_t)s->intedge;
break;
case PCH_PIC_INT_EDGE + 4:
val = s->intedge >> 32;
val = s->intedge;
break;
case PCH_PIC_HTMSI_EN:
val = (uint32_t)s->htmsi_en;
break;
case PCH_PIC_HTMSI_EN + 4:
val = s->htmsi_en >> 32;
val = s->htmsi_en;
break;
case PCH_PIC_AUTO_CTRL0:
case PCH_PIC_AUTO_CTRL0 + 4:
case PCH_PIC_AUTO_CTRL1:
case PCH_PIC_AUTO_CTRL1 + 4:
/* PCH PIC connect to EXTIOI always, discard auto_ctrl access */
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"pch_pic_read: Bad address 0x%"PRIx64"\n", addr);
break;
}
return (val >> (offset * 8)) & field_mask;
}
static uint64_t loongarch_pch_pic_read(void *opaque, hwaddr addr,
unsigned size)
{
uint64_t val = 0;
switch (size) {
case 1:
val = pch_pic_read(opaque, addr, UCHAR_MAX);
break;
case 2:
val = pch_pic_read(opaque, addr, USHRT_MAX);
break;
case 4:
val = pch_pic_read(opaque, addr, UINT_MAX);
break;
case 8:
val = pch_pic_read(opaque, addr, UINT64_MAX);
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"loongarch_pch_pic_read: Bad size %d\n", size);
break;
}
return val;
}
static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
unsigned size)
{
uint64_t val;
val = loongarch_pch_pic_read(opaque, addr, size);
trace_loongarch_pch_pic_low_readw(size, addr, val);
return val;
}