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