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pc: improve debugging

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Add a DPRINTF macro and use it for ISA and PIC interrupts.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-05-29 20:23:49 +00:00
parent 0a3c592166
commit 471fd34221
1 changed files with 12 additions and 0 deletions
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12
hw/pc.c
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@ -39,6 +39,16 @@
/* output Bochs bios info messages */ /* output Bochs bios info messages */
//#define DEBUG_BIOS //#define DEBUG_BIOS
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
#ifdef DEBUG_IRQ
#define DPRINTF(fmt, ...) \
do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...)
#endif
#define BIOS_FILENAME "bios.bin" #define BIOS_FILENAME "bios.bin"
#define PC_MAX_BIOS_SIZE (4 * 1024 * 1024) #define PC_MAX_BIOS_SIZE (4 * 1024 * 1024)
@ -70,6 +80,7 @@ void isa_irq_handler(void *opaque, int n, int level)
{ {
IsaIrqState *isa = (IsaIrqState *)opaque; IsaIrqState *isa = (IsaIrqState *)opaque;
DPRINTF("isa_irqs: %s irq %d\n", level? "raise" : "lower", n);
if (n < 16) { if (n < 16) {
qemu_set_irq(isa->i8259[n], level); qemu_set_irq(isa->i8259[n], level);
} }
@ -150,6 +161,7 @@ static void pic_irq_request(void *opaque, int irq, int level)
{ {
CPUState *env = first_cpu; CPUState *env = first_cpu;
DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq);
if (env->apic_state) { if (env->apic_state) {
while (env) { while (env) {
if (apic_accept_pic_intr(env)) if (apic_accept_pic_intr(env))