summaryrefslogtreecommitdiff
path: root/hw/i8259.c
diff options
context:
space:
mode:
authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-03-14 21:46:48 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-03-14 21:46:48 +0000
commitb41a2cd1e4228c765e3b82ec6c89096528b4d7d9 (patch)
tree7f2180a4dbb0ca207e8c47ab07d03bcb00960730 /hw/i8259.c
parentc4b1fcc0f9594cae64d5bf172548a522db0c2545 (diff)
io port API change
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@664 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/i8259.c')
-rw-r--r--hw/i8259.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/hw/i8259.c b/hw/i8259.c
index 08c7be394..5ef1fa070 100644
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -46,6 +46,8 @@
/* debug PIC */
//#define DEBUG_PIC
+//#define DEBUG_IRQ_LATENCY
+
typedef struct PicState {
uint8_t last_irr; /* edge detection */
uint8_t irr; /* interrupt request register */
@@ -220,15 +222,14 @@ int cpu_x86_get_pic_interrupt(CPUState *env)
return intno;
}
-void pic_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
+static void pic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
- PicState *s;
+ PicState *s = opaque;
int priority, cmd, irq;
#ifdef DEBUG_PIC
printf("pic_write: addr=0x%02x val=0x%02x\n", addr, val);
#endif
- s = &pics[addr >> 7];
addr &= 1;
if (addr == 0) {
if (val & 0x10) {
@@ -334,14 +335,13 @@ static uint32_t pic_poll_read (PicState *s, uint32_t addr1)
return ret;
}
-uint32_t pic_ioport_read(CPUState *env, uint32_t addr1)
+static uint32_t pic_ioport_read(void *opaque, uint32_t addr1)
{
- PicState *s;
+ PicState *s = opaque;
unsigned int addr;
int ret;
addr = addr1;
- s = &pics[addr >> 7];
addr &= 1;
if (s->poll) {
ret = pic_poll_read(s, addr1);
@@ -378,11 +378,9 @@ uint32_t pic_intack_read(CPUState *env)
void pic_init(void)
{
-#if defined (TARGET_I386) || defined (TARGET_PPC)
- register_ioport_write(0x20, 2, pic_ioport_write, 1);
- register_ioport_read(0x20, 2, pic_ioport_read, 1);
- register_ioport_write(0xa0, 2, pic_ioport_write, 1);
- register_ioport_read(0xa0, 2, pic_ioport_read, 1);
-#endif
+ register_ioport_write(0x20, 2, 1, pic_ioport_write, &pics[0]);
+ register_ioport_read(0x20, 2, 1, pic_ioport_read, &pics[0]);
+ register_ioport_write(0xa0, 2, 1, pic_ioport_write, &pics[1]);
+ register_ioport_read(0xa0, 2, 1, pic_ioport_read, &pics[1]);
}