diff options
| -rw-r--r-- | hw/ps2.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/ps2.c b/hw/ps2.c index 666e7b8dbb..054b92f1ef 100644 --- a/hw/ps2.c +++ b/hw/ps2.c @@ -44,6 +44,7 @@ /* Keyboard Replies */ #define KBD_REPLY_POR 0xAA /* Power on reset */ +#define KBD_REPLY_ID 0xAB /* Keyboard ID */ #define KBD_REPLY_ACK 0xFA /* Command ACK */ #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ @@ -133,7 +134,11 @@ void ps2_queue(void *opaque, int b) s->update_irq(s->update_arg, 1); } -/* keycode is expressed in scancode set 2 */ +/* + keycode is expressed as follow: + bit 7 - 0 key pressed, 1 = key released + bits 6-0 - translated scancode set 2 + */ static void ps2_put_keycode(void *opaque, int keycode) { PS2KbdState *s = opaque; @@ -199,8 +204,11 @@ void ps2_write_keyboard(void *opaque, int val) case KBD_CMD_GET_ID: ps2_queue(&s->common, KBD_REPLY_ACK); /* We emulate a MF2 AT keyboard here */ - ps2_put_keycode(s, 0xab); - ps2_put_keycode(s, 0x83); + ps2_queue(&s->common, KBD_REPLY_ID); + if (s->translate) + ps2_queue(&s->common, 0x41); + else + ps2_queue(&s->common, 0x83); break; case KBD_CMD_ECHO: ps2_queue(&s->common, KBD_CMD_ECHO); |