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adds some debug flags for GDB support

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This commit is contained in:
Nathan Singer
2025-06-04 17:34:54 -04:00
parent e471564f89
commit 87e5e06142
3 changed files with 67 additions and 32 deletions
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32
kernel/arch/io/keyb.c
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@ -41,6 +41,7 @@ void init_kb(void)
puts("Initializing keyboard driver!");
#endif
keyb_state.ready = false;
keyb_state.waiting_for_commands = true;
init_queue(&kb_cmd_queue);
keyb_state.leds = 0;
@ -49,11 +50,19 @@ void init_kb(void)
queue_kb_command(KEYB_CMD_ENABLE_SCANNING);
queue_kb_command(KEYB_CMD_SET_TYPEMATIC);
queue_kb_command(0x1F);
queue_kb_command(0x1F);
queue_kb_command(KEYB_CMD_DO_SCAN_CODE);
/**
* TODO: look into this further,
* this is setting scan code 2, but the scan code this results in (on my hardware) is scan code set 1 according to https://wiki.osdev.org/PS/2_Keyboard
*/
queue_kb_command(0x2); // lets use scan code set 1
send_kb_commands();
keyb_state.ready = true;
keyb_state.waiting_for_commands = false;
#ifdef __TESTING__
@ -92,13 +101,30 @@ void send_kb_commands(void)
kb_key_code_t decode_scancode(uint8_t scancode)
{return (kb_key_code_t) scancode;}
{
switch (scancode) {
case KEYB_RESP_ERR:
case KEYB_RESP_SELF_TEST_PASSED:
case KEYB_RESP_ECHO:
case KEYB_RESP_ACK:
case KEYB_RESP_SELF_TEST_FAILED:
case KEYB_RESP_SELF_TEST_FAILED_TWO:
case KEYB_RESP_RESEND:
case KEYB_RESP_ERR_TWO:
keyb_state.waiting_for_commands = false;
return KEY_NONE;
default:
keyb_state.waiting_for_commands = false;
return (kb_key_code_t) scancode;
}
}
key_press_t do_keypress(kb_key_code_t keycode)
{
key_press_t packet;
if (!keyb_state.ready) {
if (!keyb_state.ready || keycode == KEY_NONE) {
packet.key_code = KEY_NONE;
return packet;
}