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pckbd: improve debugging 

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-05-22 07:59:06 +00:00
parent 956a3e6bb7
commit c86d2c2387
1 changed files with 15 additions and 13 deletions
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28
hw/pckbd.c
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@ -29,6 +29,12 @@
/* debug PC keyboard */ /* debug PC keyboard */
//#define DEBUG_KBD //#define DEBUG_KBD
#ifdef DEBUG_KBD
#define DPRINTF(fmt, ...) \
do { printf("KBD: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...)
#endif
/* Keyboard Controller Commands */ /* Keyboard Controller Commands */
#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ #define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
@ -191,9 +197,7 @@ static uint32_t kbd_read_status(void *opaque, uint32_t addr)
KBDState *s = opaque; KBDState *s = opaque;
int val; int val;
val = s->status; val = s->status;
#if defined(DEBUG_KBD) DPRINTF("kbd: read status=0x%02x\n", val);
printf("kbd: read status=0x%02x\n", val);
#endif
return val; return val;
} }
@ -209,6 +213,7 @@ static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
{ {
KBDState *s = opaque; KBDState *s = opaque;
DPRINTF("kbd: write outport=0x%02x\n", val);
s->outport = val; s->outport = val;
if (s->a20_out) { if (s->a20_out) {
qemu_set_irq(*s->a20_out, (val >> 1) & 1); qemu_set_irq(*s->a20_out, (val >> 1) & 1);
@ -221,17 +226,18 @@ static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
static uint32_t ioport92_read(void *opaque, uint32_t addr) static uint32_t ioport92_read(void *opaque, uint32_t addr)
{ {
KBDState *s = opaque; KBDState *s = opaque;
uint32_t ret;
return s->outport; ret = s->outport;
DPRINTF("kbd: read outport=0x%02x\n", ret);
return ret;
} }
static void kbd_write_command(void *opaque, uint32_t addr, uint32_t val) static void kbd_write_command(void *opaque, uint32_t addr, uint32_t val)
{ {
KBDState *s = opaque; KBDState *s = opaque;
#ifdef DEBUG_KBD DPRINTF("kbd: write cmd=0x%02x\n", val);
printf("kbd: write cmd=0x%02x\n", val);
#endif
switch(val) { switch(val) {
case KBD_CCMD_READ_MODE: case KBD_CCMD_READ_MODE:
kbd_queue(s, s->mode, 0); kbd_queue(s, s->mode, 0);
@ -307,9 +313,7 @@ static uint32_t kbd_read_data(void *opaque, uint32_t addr)
else else
val = ps2_read_data(s->kbd); val = ps2_read_data(s->kbd);
#if defined(DEBUG_KBD) DPRINTF("kbd: read data=0x%02x\n", val);
printf("kbd: read data=0x%02x\n", val);
#endif
return val; return val;
} }
@ -317,9 +321,7 @@ static void kbd_write_data(void *opaque, uint32_t addr, uint32_t val)
{ {
KBDState *s = opaque; KBDState *s = opaque;
#ifdef DEBUG_KBD DPRINTF("kbd: write data=0x%02x\n", val);
printf("kbd: write data=0x%02x\n", val);
#endif
switch(s->write_cmd) { switch(s->write_cmd) {
case 0: case 0: