From 2be70c3b7c3cb806614318858090c039bdfd4fc5 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 7 Feb 2015 16:56:02 -0500 Subject: fix RNG with zero seed, rename VGA->GFX --- drivers/vga.c | 42 ------------------------------------------ 1 file changed, 42 deletions(-) delete mode 100644 drivers/vga.c (limited to 'drivers/vga.c') diff --git a/drivers/vga.c b/drivers/vga.c deleted file mode 100644 index ccf0949..0000000 --- a/drivers/vga.c +++ /dev/null @@ -1,42 +0,0 @@ -#include -#include -#include "log.h" -#include "multiboot.h" -#include "panic.h" -#include "vga.h" - -static uint8_t *framebuffer = NULL; -static uint16_t fb_width; -static uint16_t fb_height; -/* this is BYTES per pixel */ -static uint8_t fb_bpp; - -const uint16_t *vga_width = &fb_width; -const uint16_t *vga_height = &fb_height; - -void vga_drawpixel(int x, int y, uint32_t col) -{ - ((uint32_t*)framebuffer)[y * fb_width + x] = col; -} - -void vga_clear(uint32_t col) -{ - uint8_t *p = framebuffer; - uint8_t *stop = framebuffer + fb_width * fb_height * fb_bpp; - while(p < stop) - { - *(uint32_t*)p = col; - p += fb_bpp; - } -} - -void vga_init(struct vbe_info_t *vbe_mode_info) -{ - framebuffer = (uint8_t*)vbe_mode_info->physbase; - fb_width = vbe_mode_info->Xres; - fb_height = vbe_mode_info->Yres; - fb_bpp = vbe_mode_info->bpp / 8; - if(fb_bpp != 4) - panic("BPP *MUST* be 32!!!\n"); - vga_clear(VGA_RGBPACK(0, 0, 0)); -} -- cgit v1.1