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authorBlue Swirl <blauwirbel@gmail.com>2010-05-22 07:59:06 +0000
committerBlue Swirl <blauwirbel@gmail.com>2010-05-22 07:59:06 +0000
commitc86d2c23879da1534a257eecb572a76f1ead5d93 (patch)
treea0cd49ce88e852d52ff49a36d130f0a980b50522 /hw/pckbd.c
parent956a3e6bb7386de48b642d4fee11f7f86a2fcf9a (diff)
pckbd: improve debugging
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'hw/pckbd.c')
-rw-r--r--hw/pckbd.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/hw/pckbd.c b/hw/pckbd.c
index 5d268b4682..381228479e 100644
--- a/hw/pckbd.c
+++ b/hw/pckbd.c
@@ -29,6 +29,12 @@
/* debug PC keyboard */
//#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 */
#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;
int val;
val = s->status;
-#if defined(DEBUG_KBD)
- printf("kbd: read status=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: read status=0x%02x\n", val);
return val;
}
@@ -209,6 +213,7 @@ static void ioport92_write(void *opaque, uint32_t addr, uint32_t val)
{
KBDState *s = opaque;
+ DPRINTF("kbd: write outport=0x%02x\n", val);
s->outport = val;
if (s->a20_out) {
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)
{
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)
{
KBDState *s = opaque;
-#ifdef DEBUG_KBD
- printf("kbd: write cmd=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: write cmd=0x%02x\n", val);
switch(val) {
case KBD_CCMD_READ_MODE:
kbd_queue(s, s->mode, 0);
@@ -307,9 +313,7 @@ static uint32_t kbd_read_data(void *opaque, uint32_t addr)
else
val = ps2_read_data(s->kbd);
-#if defined(DEBUG_KBD)
- printf("kbd: read data=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: read data=0x%02x\n", val);
return val;
}
@@ -317,9 +321,7 @@ static void kbd_write_data(void *opaque, uint32_t addr, uint32_t val)
{
KBDState *s = opaque;
-#ifdef DEBUG_KBD
- printf("kbd: write data=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: write data=0x%02x\n", val);
switch(s->write_cmd) {
case 0: