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i8259: improve debugging 

Add a DPRINTF macro.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-05-29 20:23:19 +00:00
parent 03ae77d6d2
commit 8ac02ff882
1 changed files with 11 additions and 12 deletions
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23
hw/i8259.c
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@ -30,6 +30,13 @@
/* debug PIC */
//#define DEBUG_PIC
#ifdef DEBUG_PIC
#define DPRINTF(fmt, ...) \
do { printf("pic: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...)
#endif
//#define DEBUG_IRQ_LATENCY
//#define DEBUG_IRQ_COUNT
@ -185,9 +192,7 @@ static void i8259_set_irq(void *opaque, int irq, int level)
#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT)
if (level != irq_level[irq]) {
#if defined(DEBUG_PIC)
printf("i8259_set_irq: irq=%d level=%d\n", irq, level);
#endif
DPRINTF("i8259_set_irq: irq=%d level=%d\n", irq, level);
irq_level[irq] = level;
#ifdef DEBUG_IRQ_COUNT
if (level == 1)
@ -253,9 +258,7 @@ int pic_read_irq(PicState2 *s)
(double)(qemu_get_clock(vm_clock) -
irq_time[irq]) * 1000000.0 / get_ticks_per_sec());
#endif
#if defined(DEBUG_PIC)
printf("pic_interrupt: irq=%d\n", irq);
#endif
DPRINTF("pic_interrupt: irq=%d\n", irq);
return intno;
}
@ -286,9 +289,7 @@ static void pic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
PicState *s = opaque;
int priority, cmd, irq;
#ifdef DEBUG_PIC
printf("pic_write: addr=0x%02x val=0x%02x\n", addr, val);
#endif
DPRINTF("write: addr=0x%02x val=0x%02x\n", addr, val);
addr &= 1;
if (addr == 0) {
if (val & 0x10) {
@ -416,9 +417,7 @@ static uint32_t pic_ioport_read(void *opaque, uint32_t addr1)
ret = s->imr;
}
}
#ifdef DEBUG_PIC
printf("pic_read: addr=0x%02x val=0x%02x\n", addr1, ret);
#endif
DPRINTF("read: addr=0x%02x val=0x%02x\n", addr1, ret);
return ret;
}