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ioapic: improve debugging 

Add a DPRINTF macro, use it also to see irq deliveries.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-05-31 18:59:45 +00:00
parent 17e6a53f82
commit 9af9b330c5
1 changed files with 10 additions and 6 deletions
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16
hw/ioapic.c
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@ -28,6 +28,13 @@
//#define DEBUG_IOAPIC //#define DEBUG_IOAPIC
#ifdef DEBUG_IOAPIC
#define DPRINTF(fmt, ...) \
do { printf("ioapic: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...)
#endif
#define IOAPIC_NUM_PINS 0x18 #define IOAPIC_NUM_PINS 0x18
#define IOAPIC_LVT_MASKED (1<<16) #define IOAPIC_LVT_MASKED (1<<16)
@ -95,6 +102,7 @@ void ioapic_set_irq(void *opaque, int vector, int level)
* to GSI 2. GSI maps to ioapic 1-1. This is not * to GSI 2. GSI maps to ioapic 1-1. This is not
* the cleanest way of doing it but it should work. */ * the cleanest way of doing it but it should work. */
DPRINTF("%s: %s vec %x\n", __func__, level? "raise" : "lower", vector);
if (vector == 0) if (vector == 0)
vector = 2; vector = 2;
@ -149,9 +157,7 @@ static uint32_t ioapic_mem_readl(void *opaque, target_phys_addr_t addr)
val = s->ioredtbl[index] & 0xffffffff; val = s->ioredtbl[index] & 0xffffffff;
} }
} }
#ifdef DEBUG_IOAPIC DPRINTF("read: %08x = %08x\n", s->ioregsel, val);
printf("I/O APIC read: %08x = %08x\n", s->ioregsel, val);
#endif
} }
return val; return val;
} }
@ -166,9 +172,7 @@ static void ioapic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t va
s->ioregsel = val; s->ioregsel = val;
return; return;
} else if (addr == 0x10) { } else if (addr == 0x10) {
#ifdef DEBUG_IOAPIC DPRINTF("write: %08x = %08x\n", s->ioregsel, val);
printf("I/O APIC write: %08x = %08x\n", s->ioregsel, val);
#endif
switch (s->ioregsel) { switch (s->ioregsel) {
case 0x00: case 0x00:
s->id = (val >> 24) & 0xff; s->id = (val >> 24) & 0xff;