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did some restructuring, got multitasking almost working

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slinky55
2026-06-26 20:05:01 -05:00
parent 57d7d34c6d
commit 43bc0df81a
35 changed files with 481 additions and 307 deletions
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21
kernel/drivers/vga/vga_stream_writer.c → kernel/drivers/vga/vga.c
View File

@@ -26,10 +26,10 @@ enum vga_color {
VGA_COLOR_WHITE = 15,
};
size_t terminal_row;
size_t terminal_column;
uint8_t terminal_color;
uint16_t* terminal_buffer = (uint16_t*)VGA_MEMORY;
static size_t terminal_row;
static size_t terminal_column;
static uint8_t terminal_color;
static uint16_t* terminal_buffer = (uint16_t*)VGA_MEMORY;
static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg)
{
@@ -41,8 +41,7 @@ static inline uint16_t vga_entry(unsigned char uc, uint8_t color)
return (uint16_t) uc | (uint16_t) color << 8;
}
void vga_initialize()
{
void vga_init() {
terminal_row = 0;
terminal_column = 0;
terminal_color = vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK);
@@ -55,8 +54,7 @@ void vga_initialize()
}
}
void vga_putchar(char c)
{
void vga_putchar(char c) {
if (c == '\n') {
terminal_row++;
terminal_column = 0;
@@ -77,9 +75,4 @@ void vga_putchar(char c)
if (++terminal_row == VGA_HEIGHT)
terminal_row = 0;
}
}
print_stream_t vga_print_stream = {
.putchar = vga_putchar,
.trunc = vga_initialize,
};
}

7
kernel/drivers/vga/vga.h Normal file
View File

@@ -0,0 +1,7 @@
#ifndef DVGA_H
#define DVGA_H
void vga_init();
void vga_putchar(char c);
#endif