diff options
Diffstat (limited to 'payloads/libpayload/drivers/keyboard.c')
| -rw-r--r-- | payloads/libpayload/drivers/keyboard.c | 65 |
1 files changed, 56 insertions, 9 deletions
diff --git a/payloads/libpayload/drivers/keyboard.c b/payloads/libpayload/drivers/keyboard.c index 96285d0d15..895c956ec9 100644 --- a/payloads/libpayload/drivers/keyboard.c +++ b/payloads/libpayload/drivers/keyboard.c @@ -28,14 +28,15 @@ */ #include <libpayload.h> +#include <curses.h> #define I8042_CMD_READ_MODE 0x20 #define I8042_CMD_WRITE_MODE 0x60 #define I8042_MODE_XLATE 0x40 -unsigned char map[2][0x57] = { - { +unsigned short map[4][0x57] = { + { /* No modifier */ 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, @@ -43,9 +44,12 @@ unsigned char map[2][0x57] = { 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, - 0x00, 0x20, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, KEY_HOME, + KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, + KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 }, - { + { /* Shift */ 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, @@ -53,13 +57,43 @@ unsigned char map[2][0x57] = { 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, - 0x00, 0x20, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, KEY_HOME, + KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, + KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 + }, + { /* ALT */ + 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, + 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, + 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, + 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, + 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, + 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, + 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, KEY_HOME, + KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, + KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 + }, + { /* Shift-ALT */ + 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, + 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, + 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, + 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, + 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, + 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, + 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, KEY_HOME, + KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, + KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 } }; -#define MOD_SHIFT 1 -#define MOD_CTRL 2 -#define MOD_CAPSLOCK 4 +#define MOD_SHIFT (1 << 0) +#define MOD_CTRL (1 << 1) +#define MOD_CAPSLOCK (1 << 2) +#define MOD_ALT (1 << 3) int keyboard_havechar(void) { @@ -97,6 +131,12 @@ int keyboard_getchar(void) case 0x80 | 0x2a: modifier &= ~MOD_SHIFT; break; + case 0x38: + modifier |= MOD_ALT; + break; + case 0x80 | 0x38: + modifier &= ~MOD_ALT; + break; case 0x1d: modifier |= MOD_CTRL; break; @@ -114,10 +154,14 @@ int keyboard_getchar(void) if (!(ch & 0x80) && ch < 0x57) { shift = (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0; + + if (modifier & MOD_ALT) + shift += 2; + ret = map[shift][ch]; if (modifier & MOD_CTRL) - ret = (ret >= 0x3F && ret <= 0x5F) ? ret & 0x1f : 0; + ret = (ret >= 'a' && ret <= 'z') ? ret & 0x1f : 0; return ret; } @@ -163,6 +207,9 @@ void keyboard_init(void) { u8 mode; + /* Empty keyboard buffer */ + while (keyboard_havechar()) keyboard_getchar(); + /* Read the current mode */ mode = keyboard_get_mode(); |