This commit is contained in:
2026-07-15 08:07:06 -05:00
parent c77d9e1725
commit 44a0c9aeba
9 changed files with 126 additions and 51 deletions

50
kernel/lib/console.c Normal file
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@@ -0,0 +1,50 @@
#include <lib/console.h>
#include <lib/font.h>
#include <drivers/vga/vga.h>
static psf_font_t* font;
static uint32_t console_row;
static uint32_t console_col;
static uint32_t console_text_color;
static uint32_t console_backgrnd_color;
static void write_vga_char(char c) {
uint32_t vga_pitch = vga_get_pitch();
uint8_t* glyph = (uint8_t*)font->glyphs + (c * font->hdr->charsz);
for (uint32_t y = 0; y < font->hdr->charsz; y++) {
uint8_t bits = glyph[y];
uint32_t* row = (uint32_t*)((uintptr_t)VGA_FRAMEBUFFER + ((console_row + y) * vga_pitch));
for (int x = 0; x < 8; x++) {
if (bits & (0b10000000 >> x)) {
row[console_col + x] = console_text_color;
}
}
}
}
int set_console_font(const char* path) {
font = load_font(path);
return font != NULL;
}
void set_console_fg(uint32_t color) {
console_text_color = color;
}
void set_console_bg(uint32_t color) {
console_backgrnd_color = color;
}
void console_init() {
console_row = 0;
console_col = 0;
set_console_fg(0xFFFFFFFF);
vga_clear_scrn(0x00000000);
}
void console_putchar(char c) {
write_vga_char(c);
}

13
kernel/lib/console.h Normal file
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#ifndef D_CONSOLE_H
#define D_CONSOLE_H
#include <lib/font.h>
void console_putchar(char c);
int set_console_font(const char* path);
void set_console_fg(uint32_t color);
void set_console_bg(uint32_t color);
void console_init();
#endif

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@@ -5,7 +5,7 @@
#include <stdarg.h>
#include <drivers/vga/vga.h>
#include <drivers/console/console.h>
#include <lib/console.h>
spinlock_t kwrite_lock = {0};