Meta: Move kernel and userland to their own folders.

This is to allow both the kernel and the userland to share certain
header files and to make the folder structure a bit more clear.

1 files changed, 0 insertions, 188 deletions

diff --git a/drivers/keyboard.c b/drivers/keyboard.c
deleted file mode 100644
index 8c96606..0000000
--- a/drivers/keyboard.c
+++ /dev/null
@@ -1,188 +0,0 @@
-#include <assert.h>
-#include <drivers/keyboard.h>
-#include <errno.h>
-#include <fs/devfs.h>
-#include <fs/fifo.h>
-#include <fs/vfs.h>
-#include <sched/scheduler.h>
-#include <stdint.h>
-
-#define PS2_REG_DATA 0x60
-#define PS2_REG_STATUS 0x64
-#define PS2_REG_COMMAND 0x64
-
-#define PS2_CMD_ENABLE_FIRST_PORT 0xAE // no rsp
-
-#define PS2_CMD_TEST_CONTROLLER 0xAA // has rsp
-
-#define PS2_RSP_TEST_PASSED 0x55
-#define PS2_RSP_TEST_FAILED 0xFC
-
-#define PS2_CMD_SET_SCANCODE 0xF0 // has rsp
-#define PS2_KB_ACK 0xFA
-#define PS2_KB_RESEND 0xFE
-
-#define PS2_CMD_SET_MAKE_RELEASE 0xF8 // has rsp
-
-uint8_t kb_scancodes[3] = {0x43, 0x41, 0x3f};
-
-FIFO_FILE *keyboard_fifo;
-
-uint8_t ascii_table[] = {
-    'e', '\x1B', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 8,
-    '\t',
-
-    'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p',
-    //	0, // [
-    //	0, // ]
-    //	0,
-    //	0, // ?
-    '[', ']',
-    '\n', // ENTER
-    'C',
-
-    'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l',
-    ';',  // ;
-    '\'', // ;
-    '`',  // ;
-    'D',  // LEFT SHIFT
-    '\\', // ;
-    'z', 'x', 'c', 'v', 'b', 'n', 'm',
-    ',', // ;
-    '.', // ;
-    '/', // ;
-    'U', // ;
-    'U', // ;
-    'U', // ;
-    ' ', // ;
-};
-
-uint8_t capital_ascii_table[] = {
-    'e', '\x1B', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 8,
-    '\t',
-
-    'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P',
-    //	0, // [
-    //	0, // ]
-    //	0,
-    //	0, // ?
-    '{', '}',
-    '\n', // ENTER
-    'C',
-
-    'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L',
-    ':',  // ;
-    '\"', // ;
-    '~',  // ;
-    'D',  // LEFT SHIFT
-    '\\', // ;
-    'Z', 'X', 'C', 'V', 'B', 'N', 'M',
-    '<', // ;
-    '>', // ;
-    '?', // ;
-    'U', // ;
-    'U', // ;
-    'U', // ;
-    ' ', // ;
-};
-
-vfs_inode_t *kb_inode;
-
-uint8_t keyboard_to_ascii(uint16_t key, uint8_t capital) {
-  if ((key & 0xFF) > sizeof(ascii_table))
-    return 'U';
-  if (capital)
-    return capital_ascii_table[key & 0xFF];
-  else
-    return ascii_table[key & 0xFF];
-}
-
-uint8_t is_shift_down = 0;
-uint8_t is_alt_down = 0;
-
-struct KEY_EVENT {
-  char c;
-  uint8_t mode;    // (shift (0 bit)) (alt (1 bit))
-  uint8_t release; // 0 pressed, 1 released
-};
-
-extern process_t *ready_queue;
-__attribute__((interrupt)) void
-int_keyboard(__attribute__((unused)) struct interrupt_frame *frame) {
-  outb(0x20, 0x20);
-  uint16_t c;
-  c = inb(PS2_REG_DATA);
-  int released = 0;
-  if (c & 0x80) {
-    switch ((c & ~(0x80)) & 0xFF) {
-    case 0x2A: // Left shift
-    case 0x36: // Right shift
-      is_shift_down = 0;
-      return;
-    case 0x38:
-      is_alt_down = 0;
-      return;
-    }
-    released = 1;
-  } else {
-    switch (c & 0xFF) {
-    case 0x2A: // Left shift
-    case 0x36: // Right shift
-      is_shift_down = 1;
-      return;
-    case 0x38:
-      is_alt_down = 1;
-      return;
-    }
-    released = 0;
-  }
-  unsigned char a = keyboard_to_ascii((c & ~(0x80)) & 0xFF, is_shift_down);
-  struct KEY_EVENT ev;
-  ev.c = a;
-  ev.release = released;
-  ev.mode = 0;
-  ev.mode |= is_shift_down << 0;
-  ev.mode |= is_alt_down << 1;
-  fifo_object_write((uint8_t *)&ev, 0, sizeof(ev), keyboard_fifo);
-  kb_inode->has_data = keyboard_fifo->has_data;
-}
-
-#define PS2_WAIT_RECV                                                          \
-  {                                                                            \
-    for (;;) {                                                                 \
-      uint8_t status = inb(PS2_REG_STATUS);                                    \
-      if (status & 0x1)                                                        \
-        break;                                                                 \
-    }                                                                          \
-  }
-
-#define PS2_WAIT_SEND                                                          \
-  {                                                                            \
-    for (;;) {                                                                 \
-      uint8_t status = inb(PS2_REG_STATUS);                                    \
-      if (!(status & (0x1 << 1)))                                              \
-        break;                                                                 \
-    }                                                                          \
-  }
-
-void install_keyboard(void) {
-  keyboard_fifo = create_fifo_object();
-  install_handler(int_keyboard, INT_32_INTERRUPT_GATE(0x3), 0x21);
-}
-
-int keyboard_read(uint8_t *buffer, uint64_t offset, uint64_t len,
-                  vfs_fd_t *fd) {
-  (void)offset;
-
-  if (0 == fd->inode->has_data) {
-    return -EAGAIN;
-  }
-  int rc = fifo_object_read(buffer, 0, len, keyboard_fifo);
-  fd->inode->has_data = keyboard_fifo->has_data;
-  return rc;
-}
-
-void add_keyboard(void) {
-  kb_inode = devfs_add_file("/keyboard", keyboard_read, NULL, NULL, 0, 0,
-                            FS_TYPE_CHAR_DEVICE);
-}