console vga stuff

This commit is contained in:
2026-07-14 17:40:30 -05:00
parent 454de8feed
commit 6a79a20cf6
15 changed files with 456 additions and 559 deletions

View File

@@ -5,21 +5,24 @@
#include <stdarg.h>
#include <drivers/vga/vga.h>
#include <drivers/console/console.h>
spinlock_t kwrite_lock = {0};
extern psf_font_t* kfont;
static char* hex_chars = "0123456789abcdef";
static void kprint(const char *str) {
while (*str) {
vga_putchar(*str);
console_putchar(*str);
str++;
}
}
static void kputd(int d) {
if (d == 0) {
vga_putchar('0');
console_putchar('0');
return;
}
char buffer[12];
@@ -29,13 +32,13 @@ static void kputd(int d) {
d /= 10;
}
for (int j = i - 1; j >= 0; j--) {
vga_putchar(buffer[j]);
console_putchar(buffer[j]);
}
}
static void kputx(unsigned int x) {
if (x == 0) {
vga_putchar('0');
console_putchar('0');
return;
}
char buffer[8];
@@ -46,13 +49,13 @@ static void kputx(unsigned int x) {
x >>= 4;
}
for (int j = i - 1; j >= 0; j--) {
vga_putchar(buffer[j]);
console_putchar(buffer[j]);
}
}
void kputc(const char c) {
spin_lock(&kwrite_lock);
vga_putchar(c);
console_putchar(c);
spin_unlock(&kwrite_lock);
}
@@ -82,20 +85,20 @@ void kprintf(const char* fmt, ...) {
}
case 'c': {
int c = va_arg(args, int);
vga_putchar((char)c);
console_putchar((char)c);
break;
}
case '%':
vga_putchar('%');
console_putchar('%');
break;
default:
vga_putchar('%');
vga_putchar(*fmt);
console_putchar('%');
console_putchar(*fmt);
break;
}
fmt++;
} else {
vga_putchar(*fmt);
console_putchar(*fmt);
fmt++;
}
}