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Leonmmcoset
2026-04-11 17:13:58 +08:00
parent 25149b3ba2
commit 32637ee60b
3 changed files with 393 additions and 28 deletions
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87
clks/kernel/keyboard.c
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@@ -4,16 +4,25 @@
#include <clks/tty.h>
#include <clks/types.h>
#define CLKS_SC_ALT 0x38U
#define CLKS_SC_LSHIFT 0x2AU
#define CLKS_SC_RSHIFT 0x36U
#define CLKS_SC_F1 0x3BU
#define CLKS_SC_F2 0x3CU
#define CLKS_SC_F3 0x3DU
#define CLKS_SC_F4 0x3EU
#define CLKS_SC_EXT_PREFIX 0xE0U
#define CLKS_SC_ALT 0x38U
#define CLKS_SC_LSHIFT 0x2AU
#define CLKS_SC_RSHIFT 0x36U
#define CLKS_SC_F1 0x3BU
#define CLKS_SC_F2 0x3CU
#define CLKS_SC_F3 0x3DU
#define CLKS_SC_F4 0x3EU
#define CLKS_SC_EXT_PREFIX 0xE0U
#define CLKS_KBD_INPUT_CAP 256U
#define CLKS_SC_EXT_HOME 0x47U
#define CLKS_SC_EXT_UP 0x48U
#define CLKS_SC_EXT_LEFT 0x4BU
#define CLKS_SC_EXT_RIGHT 0x4DU
#define CLKS_SC_EXT_END 0x4FU
#define CLKS_SC_EXT_DOWN 0x50U
#define CLKS_SC_EXT_DELETE 0x53U
#define CLKS_KBD_INPUT_CAP 256U
#define CLKS_KBD_DROP_LOG_EVERY 64ULL
static const char clks_kbd_map[128] = {
[2] = '1', [3] = '2', [4] = '3', [5] = '4', [6] = '5', [7] = '6', [8] = '7', [9] = '8',
@@ -48,14 +57,47 @@ static clks_bool clks_kbd_rshift_down = CLKS_FALSE;
static clks_bool clks_kbd_e0_prefix = CLKS_FALSE;
static u64 clks_kbd_hotkey_switches = 0ULL;
static u64 clks_kbd_push_count = 0ULL;
static u64 clks_kbd_pop_count = 0ULL;
static u64 clks_kbd_drop_count = 0ULL;
static char clks_keyboard_translate_ext_scancode(u8 code) {
switch (code) {
case CLKS_SC_EXT_LEFT:
return CLKS_KEY_LEFT;
case CLKS_SC_EXT_RIGHT:
return CLKS_KEY_RIGHT;
case CLKS_SC_EXT_UP:
return CLKS_KEY_UP;
case CLKS_SC_EXT_DOWN:
return CLKS_KEY_DOWN;
case CLKS_SC_EXT_HOME:
return CLKS_KEY_HOME;
case CLKS_SC_EXT_END:
return CLKS_KEY_END;
case CLKS_SC_EXT_DELETE:
return CLKS_KEY_DELETE;
default:
return '\0';
}
}
static clks_bool clks_keyboard_queue_push(char ch) {
if (clks_kbd_input_count >= CLKS_KBD_INPUT_CAP) {
clks_kbd_drop_count++;
if ((clks_kbd_drop_count % CLKS_KBD_DROP_LOG_EVERY) == 1ULL) {
clks_log(CLKS_LOG_WARN, "KBD", "INPUT QUEUE OVERFLOW");
clks_log_hex(CLKS_LOG_WARN, "KBD", "DROPPED", clks_kbd_drop_count);
}
return CLKS_FALSE;
}
clks_kbd_input_queue[clks_kbd_input_head] = ch;
clks_kbd_input_head = (u16)((clks_kbd_input_head + 1U) % CLKS_KBD_INPUT_CAP);
clks_kbd_input_count++;
clks_kbd_push_count++;
return CLKS_TRUE;
}
@@ -80,9 +122,13 @@ void clks_keyboard_init(void) {
clks_kbd_rshift_down = CLKS_FALSE;
clks_kbd_e0_prefix = CLKS_FALSE;
clks_kbd_hotkey_switches = 0ULL;
clks_kbd_push_count = 0ULL;
clks_kbd_pop_count = 0ULL;
clks_kbd_drop_count = 0ULL;
clks_log(CLKS_LOG_INFO, "KBD", "ALT+F1..F4 TTY HOTKEY ONLINE");
clks_log(CLKS_LOG_INFO, "KBD", "PS2 INPUT QUEUE ONLINE");
clks_log_hex(CLKS_LOG_INFO, "KBD", "QUEUE_CAP", CLKS_KBD_INPUT_CAP);
}
void clks_keyboard_handle_scancode(u8 scancode) {
@@ -120,7 +166,15 @@ void clks_keyboard_handle_scancode(u8 scancode) {
}
if (clks_kbd_e0_prefix == CLKS_TRUE) {
char ext = clks_keyboard_translate_ext_scancode(code);
clks_kbd_e0_prefix = CLKS_FALSE;
if (ext != '\0') {
if (clks_keyboard_queue_push(ext) == CLKS_TRUE) {
clks_shell_pump_input(1U);
}
}
return;
}
@@ -165,9 +219,22 @@ clks_bool clks_keyboard_pop_char(char *out_ch) {
*out_ch = clks_kbd_input_queue[clks_kbd_input_tail];
clks_kbd_input_tail = (u16)((clks_kbd_input_tail + 1U) % CLKS_KBD_INPUT_CAP);
clks_kbd_input_count--;
clks_kbd_pop_count++;
return CLKS_TRUE;
}
u64 clks_keyboard_buffered_count(void) {
return (u64)clks_kbd_input_count;
}
}
u64 clks_keyboard_drop_count(void) {
return clks_kbd_drop_count;
}
u64 clks_keyboard_push_count(void) {
return clks_kbd_push_count;
}
u64 clks_keyboard_pop_count(void) {
return clks_kbd_pop_count;
}