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Leonmmcoset
2026-04-11 14:18:59 +08:00
parent 0f34f8e094
commit c7fee12291
12 changed files with 920 additions and 233 deletions
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135
clks/kernel/keyboard.c
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@@ -3,35 +3,127 @@
#include <clks/tty.h>
#include <clks/types.h>
#define CLKS_SC_ALT 0x38U
#define CLKS_SC_F1 0x3BU
#define CLKS_SC_F2 0x3CU
#define CLKS_SC_F3 0x3DU
#define CLKS_SC_F4 0x3EU
#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
static const char clks_kbd_map[128] = {
[2] = '1', [3] = '2', [4] = '3', [5] = '4', [6] = '5', [7] = '6', [8] = '7', [9] = '8',
[10] = '9', [11] = '0', [12] = '-', [13] = '=', [14] = '\b', [15] = '\t',
[16] = 'q', [17] = 'w', [18] = 'e', [19] = 'r', [20] = 't', [21] = 'y', [22] = 'u', [23] = 'i',
[24] = 'o', [25] = 'p', [26] = '[', [27] = ']', [28] = '\n',
[30] = 'a', [31] = 's', [32] = 'd', [33] = 'f', [34] = 'g', [35] = 'h', [36] = 'j', [37] = 'k',
[38] = 'l', [39] = ';', [40] = '\'', [41] = '`', [43] = '\\',
[44] = 'z', [45] = 'x', [46] = 'c', [47] = 'v', [48] = 'b', [49] = 'n', [50] = 'm',
[51] = ',', [52] = '.', [53] = '/', [57] = ' '
};
static const char clks_kbd_shift_map[128] = {
[2] = '!', [3] = '@', [4] = '#', [5] = '$', [6] = '%', [7] = '^', [8] = '&', [9] = '*',
[10] = '(', [11] = ')', [12] = '_', [13] = '+', [14] = '\b', [15] = '\t',
[16] = 'Q', [17] = 'W', [18] = 'E', [19] = 'R', [20] = 'T', [21] = 'Y', [22] = 'U', [23] = 'I',
[24] = 'O', [25] = 'P', [26] = '{', [27] = '}', [28] = '\n',
[30] = 'A', [31] = 'S', [32] = 'D', [33] = 'F', [34] = 'G', [35] = 'H', [36] = 'J', [37] = 'K',
[38] = 'L', [39] = ':', [40] = '"', [41] = '~', [43] = '|',
[44] = 'Z', [45] = 'X', [46] = 'C', [47] = 'V', [48] = 'B', [49] = 'N', [50] = 'M',
[51] = '<', [52] = '>', [53] = '?', [57] = ' '
};
static char clks_kbd_input_queue[CLKS_KBD_INPUT_CAP];
static u16 clks_kbd_input_head = 0U;
static u16 clks_kbd_input_tail = 0U;
static u16 clks_kbd_input_count = 0U;
static clks_bool clks_kbd_alt_down = CLKS_FALSE;
static clks_bool clks_kbd_lshift_down = CLKS_FALSE;
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 clks_bool clks_keyboard_queue_push(char ch) {
if (clks_kbd_input_count >= CLKS_KBD_INPUT_CAP) {
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++;
return CLKS_TRUE;
}
static char clks_keyboard_translate_scancode(u8 code) {
clks_bool shift_active = (clks_kbd_lshift_down == CLKS_TRUE || clks_kbd_rshift_down == CLKS_TRUE)
? CLKS_TRUE
: CLKS_FALSE;
if (shift_active == CLKS_TRUE) {
return clks_kbd_shift_map[code];
}
return clks_kbd_map[code];
}
void clks_keyboard_init(void) {
clks_kbd_input_head = 0U;
clks_kbd_input_tail = 0U;
clks_kbd_input_count = 0U;
clks_kbd_alt_down = CLKS_FALSE;
clks_kbd_lshift_down = CLKS_FALSE;
clks_kbd_rshift_down = CLKS_FALSE;
clks_kbd_e0_prefix = CLKS_FALSE;
clks_kbd_hotkey_switches = 0ULL;
clks_log(CLKS_LOG_INFO, "KBD", "ALT+F1..F4 TTY HOTKEY ONLINE");
clks_log(CLKS_LOG_INFO, "KBD", "PS2 INPUT QUEUE ONLINE");
}
void clks_keyboard_handle_scancode(u8 scancode) {
clks_bool released = ((scancode & 0x80U) != 0U) ? CLKS_TRUE : CLKS_FALSE;
u8 code = (u8)(scancode & 0x7FU);
clks_bool released;
u8 code;
if (scancode == CLKS_SC_EXT_PREFIX) {
clks_kbd_e0_prefix = CLKS_TRUE;
return;
}
released = ((scancode & 0x80U) != 0U) ? CLKS_TRUE : CLKS_FALSE;
code = (u8)(scancode & 0x7FU);
if (code == CLKS_SC_ALT) {
clks_kbd_alt_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
return;
}
if (released == CLKS_TRUE || clks_kbd_alt_down == CLKS_FALSE) {
if (code == CLKS_SC_LSHIFT) {
clks_kbd_lshift_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
return;
}
if (code >= CLKS_SC_F1 && code <= CLKS_SC_F4) {
if (code == CLKS_SC_RSHIFT) {
clks_kbd_rshift_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
return;
}
if (released == CLKS_TRUE) {
if (clks_kbd_e0_prefix == CLKS_TRUE) {
clks_kbd_e0_prefix = CLKS_FALSE;
}
return;
}
if (clks_kbd_e0_prefix == CLKS_TRUE) {
clks_kbd_e0_prefix = CLKS_FALSE;
return;
}
if (clks_kbd_alt_down == CLKS_TRUE && code >= CLKS_SC_F1 && code <= CLKS_SC_F4) {
u32 target = (u32)(code - CLKS_SC_F1);
u32 before = clks_tty_active();
u32 after;
@@ -45,9 +137,34 @@ void clks_keyboard_handle_scancode(u8 scancode) {
clks_log_hex(CLKS_LOG_INFO, "TTY", "ACTIVE", (u64)after);
clks_log_hex(CLKS_LOG_INFO, "TTY", "HOTKEY_SWITCHES", clks_kbd_hotkey_switches);
}
return;
}
{
char translated = clks_keyboard_translate_scancode(code);
if (translated != '\0') {
(void)clks_keyboard_queue_push(translated);
}
}
}
u64 clks_keyboard_hotkey_switch_count(void) {
return clks_kbd_hotkey_switches;
}
clks_bool clks_keyboard_pop_char(char *out_ch) {
if (out_ch == CLKS_NULL || clks_kbd_input_count == 0U) {
return CLKS_FALSE;
}
*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--;
return CLKS_TRUE;
}
u64 clks_keyboard_buffered_count(void) {
return (u64)clks_kbd_input_count;
}