ratio submodule

libbozo/headers/ctype.h

@@ -0,0 +1,37 @@
+#pragma once
+
+/*
+int isalnum(int c);
+int isalpha(int c);
+int iscntrl(int c);
+*/
+int isdigit(int c);
+/*
+int isgraph(int c);
+int islower(int c);
+*/
+int isprint(int c);
+/*
+int ispunct(int c);
+int isspace(int c);
+int isupper(int c);
+int isxdigit(int c);
+
+int isascii(int c);
+int isblank(int c);
+
+int isalnum_l(int c, locale_t locale);
+int isalpha_l(int c, locale_t locale);
+int isblank_l(int c, locale_t locale);
+int iscntrl_l(int c, locale_t locale);
+int isdigit_l(int c, locale_t locale);
+int isgraph_l(int c, locale_t locale);
+int islower_l(int c, locale_t locale);
+int isprint_l(int c, locale_t locale);
+int ispunct_l(int c, locale_t locale);
+int isspace_l(int c, locale_t locale);
+int isupper_l(int c, locale_t locale);
+int isxdigit_l(int c, locale_t locale);
+
+int isascii_l(int c, locale_t locale);
+*/

libbozo/headers/kprintf.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdarg.h>
+
+enum print_level {
+    KERN_EMERG,
+    KERN_ALERT,
+    KERN_CRIT,
+    KERN_ERR,
+    KERN_WARNING,
+    KERN_NOTICE,
+    KERN_INFO,
+    KERN_DEBUG,
+    KERN_DEFAULT,
+    KERN_CONT
+};
+
+int kprintf(int level, const char *restrict format, ...);
+int kvprintf(int level, const char *restrict format, va_list ap);

libbozo/headers/stdlib.h

@@ -0,0 +1,5 @@
+#pragma once
+
+int atoi(const char *nptr);
+long atol(const char *nptr);
+long long atoll(const char *nptr);

libbozo/headers/string.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <stddef.h>
+
+char *strchr(const char *str, int c);
+int strcmp(const char *s1, const char *s2);
+int strncmp(const char *s1, const char *s2, size_t n);
+size_t strlen(const char *str);
+char *strstr(const char *haystack, const char *needle);
+void *memcpy(void *dest, const void *src, size_t n);

libbozo/headers/sys/io.h

@@ -0,0 +1,16 @@
+#pragma once
+
+static inline void outb(uint16_t port, uint8_t val)
+{
+    __asm__ volatile ( "outb %b0, %w1" : : "a"(val), "Nd"(port) : "memory");
+}
+
+static inline uint8_t inb(uint16_t port)
+{
+    uint8_t ret;
+    __asm__ volatile ( "inb %w1, %b0"
+                   : "=a"(ret)
+                   : "Nd"(port)
+                   : "memory");
+    return ret;
+}

libbozo/headers/terminal.h

@@ -0,0 +1,115 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+enum vga_color {
+	VGA_COLOR_BLACK = 0,
+	VGA_COLOR_BLUE = 1,
+	VGA_COLOR_GREEN = 2,
+	VGA_COLOR_CYAN = 3,
+	VGA_COLOR_RED = 4,
+	VGA_COLOR_MAGENTA = 5,
+	VGA_COLOR_BROWN = 6,
+	VGA_COLOR_LIGHT_GREY = 7,
+	VGA_COLOR_DARK_GREY = 8,
+	VGA_COLOR_LIGHT_BLUE = 9,
+	VGA_COLOR_LIGHT_GREEN = 10,
+	VGA_COLOR_LIGHT_CYAN = 11,
+	VGA_COLOR_LIGHT_RED = 12,
+	VGA_COLOR_LIGHT_MAGENTA = 13,
+	VGA_COLOR_LIGHT_BROWN = 14,
+	VGA_COLOR_WHITE = 15,
+};
+
+void terminal_initialize(void);
+void terminal_setcolor(uint8_t color);
+void terminal_putentryat(char c, uint8_t color, size_t x, size_t y);
+int terminal_putchar(char c);
+int terminal_write(const char* data, size_t size);
+int terminal_writestring(const char* data);
+int terminal_writelong(long number);
+
+#define KEYBOARD_PORT 0x60
+
+#define KEY_A 0x1E
+#define KEY_B 0x30
+#define KEY_C 0x2E
+#define KEY_D 0x20
+#define KEY_E 0x12
+#define KEY_F 0x21
+#define KEY_G 0x22
+#define KEY_H 0x23
+#define KEY_I 0x17
+#define KEY_J 0x24
+#define KEY_K 0x25
+#define KEY_L 0x26
+#define KEY_M 0x32
+#define KEY_N 0x31
+#define KEY_O 0x18
+#define KEY_P 0x19
+#define KEY_Q 0x10
+#define KEY_R 0x13
+#define KEY_S 0x1F
+#define KEY_T 0x14
+#define KEY_U 0x16
+#define KEY_V 0x2F
+#define KEY_W 0x11
+#define KEY_X 0x2D
+#define KEY_Y 0x15
+#define KEY_Z 0x2C
+#define KEY_1 0x02
+#define KEY_2 0x03
+#define KEY_3 0x04
+#define KEY_4 0x05
+#define KEY_5 0x06
+#define KEY_6 0x07
+#define KEY_7 0x08
+#define KEY_8 0x09
+#define KEY_9 0x0A
+#define KEY_0 0x0B
+#define KEY_MINUS 0x0C
+#define KEY_EQUAL 0x0D
+#define KEY_SQUARE_OPEN_BRACKET 0x1A
+#define KEY_SQUARE_CLOSE_BRACKET 0x1B
+#define KEY_SEMICOLON 0x27
+#define KEY_BACKSLASH 0x2B
+#define KEY_COMMA 0x33
+#define KEY_DOT 0x34
+#define KEY_FORESLHASH 0x35
+#define KEY_F1 0x3B
+#define KEY_F2 0x3C
+#define KEY_F3 0x3D
+#define KEY_F4 0x3E
+#define KEY_F5 0x3F
+#define KEY_F6 0x40
+#define KEY_F7 0x41
+#define KEY_F8 0x42
+#define KEY_F9 0x43
+#define KEY_F10 0x44
+#define KEY_F11 0x85
+#define KEY_F12 0x86
+#define KEY_BACKSPACE 0x0E
+#define KEY_DELETE 0x53
+#define KEY_DOWN 0x50
+#define KEY_END 0x4F
+#define KEY_ENTER 0x1C
+#define KEY_ESC 0x01
+#define KEY_HOME 0x47
+#define KEY_INSERT 0x52
+#define KEY_KEYPAD_5 0x4C
+#define KEY_KEYPAD_MUL 0x37
+#define KEY_KEYPAD_Minus 0x4A
+#define KEY_KEYPAD_PLUS 0x4E
+#define KEY_KEYPAD_DIV 0x35
+#define KEY_LEFT 0x4B
+#define KEY_PAGE_DOWN 0x51
+#define KEY_PAGE_UP 0x49
+#define KEY_PRINT_SCREEN 0x37
+#define KEY_RIGHT 0x4D
+#define KEY_SPACE 0x39
+#define KEY_TAB 0x0F
+#define KEY_UP 0x48
+
+uint8_t terminal_getkey();