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No commits in common. "69caa70c38aac2894265887d61223e35aeed5f27" and "0ad16863bad8a9fbfa8da5db39ce2a7b6679569e" have entirely different histories.

7 changed files with 20 additions and 116 deletions

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@ -2,7 +2,7 @@ SRCDIR = src
OBJDIR = obj
BUILDDIR = build
SRC := $(shell find $(SRCDIR) -name '*.c')
SRC := $(wildcard $(SRCDIR)/**/*.c)
OBJ := $(patsubst $(SRCDIR)/%.c,$(OBJDIR)/%.o,$(SRC))
CC = i386-elf-gcc

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@ -1,16 +1,4 @@
#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;
}
inline uint8_t inb(uint16_t port);
inline void outb(uint16_t port, uint8_t val);

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@ -29,87 +29,4 @@ 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();
int terminal_writelong(long number);

10
src/sys/io/inb.c Normal file
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@ -0,0 +1,10 @@
inline uint8_t inb(uint16_t port)
{
uint8_t ret;
__asm__ volatile ( "inb %w1, %b0"
: "=a"(ret)
: "Nd"(port)
: "memory");
return ret;
}

4
src/sys/io/outb.c Normal file
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@ -0,0 +1,4 @@
inline void outb(uint16_t port, uint8_t val)
{
__asm__ volatile ( "outb %b0, %w1" : : "a"(val), "Nd"(port) : "memory");
}

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@ -1,15 +0,0 @@
#include "terminal.h"
#include "sys/io.h"
#include "kprintf.h"
uint8_t terminal_getkey()
{
static uint8_t prev_scan_code = 0;
uint8_t scan_code;
scan_code = inb(KEYBOARD_PORT);
if (scan_code != prev_scan_code && prev_scan_code != 0)
kprintf(0, "%d", scan_code);
prev_scan_code = scan_code;
return scan_code;
}

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@ -16,8 +16,8 @@ static inline uint16_t vga_entry(unsigned char uc, uint8_t color)
return (uint16_t) uc | (uint16_t) color << 8;
}
#define VGA_WIDTH 80
#define VGA_HEIGHT 25
static const size_t VGA_WIDTH = 80;
static const size_t VGA_HEIGHT = 25;
size_t terminal_row;
size_t terminal_column;