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adb: add trace-events for monitoring keyboard/mouse during bus enumeration

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This is useful to help diagnose problems related to address clashes during
MacOS 9 boot.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2018-03-05 21:51:13 +00:00 committed by David Gibson
parent 8d62259420
commit 9d9769c208
3 changed files with 14 additions and 0 deletions
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4
hw/input/adb-kbd.c
View File

@ -258,6 +258,7 @@ static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
case ADB_CMD_CHANGE_ID_AND_ACT:
case ADB_CMD_CHANGE_ID_AND_ENABLE:
d->devaddr = buf[1] & 0xf;
trace_adb_kbd_request_change_addr(d->devaddr);
break;
default:
d->devaddr = buf[1] & 0xf;
@ -269,6 +270,9 @@ static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
if (buf[2] == 1 || buf[2] == 2 || buf[2] == 3) {
d->handler = buf[2];
}
trace_adb_kbd_request_change_addr_and_handler(d->devaddr,
d->handler);
break;
}
}

5
hw/input/adb-mouse.c
View File

@ -118,6 +118,7 @@ static int adb_mouse_request(ADBDevice *d, uint8_t *obuf,
s->dx = 0;
s->dy = 0;
s->dz = 0;
trace_adb_mouse_flush();
return 0;
}
@ -138,6 +139,7 @@ static int adb_mouse_request(ADBDevice *d, uint8_t *obuf,
case ADB_CMD_CHANGE_ID_AND_ACT:
case ADB_CMD_CHANGE_ID_AND_ENABLE:
d->devaddr = buf[1] & 0xf;
trace_adb_mouse_request_change_addr(d->devaddr);
break;
default:
d->devaddr = buf[1] & 0xf;
@ -155,6 +157,9 @@ static int adb_mouse_request(ADBDevice *d, uint8_t *obuf,
if (buf[2] == 1 || buf[2] == 2) {
d->handler = buf[2];
}
trace_adb_mouse_request_change_addr_and_handler(d->devaddr,
d->handler);
break;
}
}

5
hw/input/trace-events
View File

@ -4,10 +4,15 @@
adb_kbd_no_key(void) "Ignoring NO_KEY"
adb_kbd_writereg(int reg, uint8_t val) "reg %d val 0x%2.2x"
adb_kbd_readreg(int reg, uint8_t val0, uint8_t val1) "reg %d obuf[0] 0x%2.2x obuf[1] 0x%2.2x"
adb_kbd_request_change_addr(int devaddr) "change addr to 0x%x"
adb_kbd_request_change_addr_and_handler(int devaddr, int handler) "change addr and handler to 0x%x, 0x%x"
# hw/input/adb-mouse.c
adb_mouse_flush(void) "flush"
adb_mouse_writereg(int reg, uint8_t val) "reg %d val 0x%2.2x"
adb_mouse_readreg(int reg, uint8_t val0, uint8_t val1) "reg %d obuf[0] 0x%2.2x obuf[1] 0x%2.2x"
adb_mouse_request_change_addr(int devaddr) "change addr to 0x%x"
adb_mouse_request_change_addr_and_handler(int devaddr, int handler) "change addr and handler to 0x%x, 0x%x"
# hw/input/ps2.c
ps2_put_keycode(void *opaque, int keycode) "%p keycode 0x%02x"