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Diffstat (limited to 'qemu/roms/seabios/src/bootsplash.c')
-rw-r--r--qemu/roms/seabios/src/bootsplash.c254
1 files changed, 0 insertions, 254 deletions
diff --git a/qemu/roms/seabios/src/bootsplash.c b/qemu/roms/seabios/src/bootsplash.c
deleted file mode 100644
index c572685de..000000000
--- a/qemu/roms/seabios/src/bootsplash.c
+++ /dev/null
@@ -1,254 +0,0 @@
-// Initialize the VGA console and possibly show a boot splash image.
-//
-// Copyright (C) 2009-2010 coresystems GmbH
-// Copyright (C) 2010 Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "bregs.h" // struct bregs
-#include "config.h" // CONFIG_*
-#include "farptr.h" // FLATPTR_TO_SEG
-#include "malloc.h" // free
-#include "output.h" // dprintf
-#include "romfile.h" // romfile_loadfile
-#include "stacks.h" // call16_int
-#include "std/vbe.h" // struct vbe_info
-#include "string.h" // memset
-#include "util.h" // enable_bootsplash
-
-
-/****************************************************************
- * Helper functions
- ****************************************************************/
-
-// Call int10 vga handler.
-static void
-call16_int10(struct bregs *br)
-{
- br->flags = F_IF;
- start_preempt();
- call16_int(0x10, br);
- finish_preempt();
-}
-
-
-/****************************************************************
- * VGA text / graphics console
- ****************************************************************/
-
-void
-enable_vga_console(void)
-{
- dprintf(1, "Turning on vga text mode console\n");
- struct bregs br;
-
- /* Enable VGA text mode */
- memset(&br, 0, sizeof(br));
- br.ax = 0x0003;
- call16_int10(&br);
-
- // Write to screen.
- printf("SeaBIOS (version %s)\n", VERSION);
- display_uuid();
-}
-
-static int
-find_videomode(struct vbe_info *vesa_info, struct vbe_mode_info *mode_info
- , int width, int height, int bpp_req)
-{
- dprintf(3, "Finding vesa mode with dimensions %d/%d\n", width, height);
- u16 *videomodes = SEGOFF_TO_FLATPTR(vesa_info->video_mode);
- for (;; videomodes++) {
- u16 videomode = *videomodes;
- if (videomode == 0xffff) {
- dprintf(1, "Unable to find vesa video mode dimensions %d/%d\n"
- , width, height);
- return -1;
- }
- struct bregs br;
- memset(&br, 0, sizeof(br));
- br.ax = 0x4f01;
- br.cx = videomode;
- br.di = FLATPTR_TO_OFFSET(mode_info);
- br.es = FLATPTR_TO_SEG(mode_info);
- call16_int10(&br);
- if (br.ax != 0x4f) {
- dprintf(1, "get_mode failed.\n");
- continue;
- }
- if (mode_info->xres != width
- || mode_info->yres != height)
- continue;
- u8 depth = mode_info->bits_per_pixel;
- if (bpp_req == 0) {
- if (depth != 16 && depth != 24 && depth != 32)
- continue;
- } else {
- if (depth != bpp_req)
- continue;
- }
- return videomode;
- }
-}
-
-static int BootsplashActive;
-
-void
-enable_bootsplash(void)
-{
- if (!CONFIG_BOOTSPLASH)
- return;
- /* splash picture can be bmp or jpeg file */
- dprintf(3, "Checking for bootsplash\n");
- u8 type = 0; /* 0 means jpg, 1 means bmp, default is 0=jpg */
- int filesize;
- u8 *filedata = romfile_loadfile("bootsplash.jpg", &filesize);
- if (!filedata) {
- filedata = romfile_loadfile("bootsplash.bmp", &filesize);
- if (!filedata)
- return;
- type = 1;
- }
- dprintf(3, "start showing bootsplash\n");
-
- u8 *picture = NULL; /* data buff used to be flushed to the video buf */
- struct jpeg_decdata *jpeg = NULL;
- struct bmp_decdata *bmp = NULL;
- struct vbe_info *vesa_info = malloc_tmplow(sizeof(*vesa_info));
- struct vbe_mode_info *mode_info = malloc_tmplow(sizeof(*mode_info));
- if (!vesa_info || !mode_info) {
- warn_noalloc();
- goto done;
- }
-
- /* Check whether we have a VESA 2.0 compliant BIOS */
- memset(vesa_info, 0, sizeof(struct vbe_info));
- vesa_info->signature = VBE2_SIGNATURE;
- struct bregs br;
- memset(&br, 0, sizeof(br));
- br.ax = 0x4f00;
- br.di = FLATPTR_TO_OFFSET(vesa_info);
- br.es = FLATPTR_TO_SEG(vesa_info);
- call16_int10(&br);
- if (vesa_info->signature != VESA_SIGNATURE) {
- dprintf(1,"No VBE2 found.\n");
- goto done;
- }
-
- /* Print some debugging information about our card. */
- char *vendor = SEGOFF_TO_FLATPTR(vesa_info->oem_vendor_string);
- char *product = SEGOFF_TO_FLATPTR(vesa_info->oem_product_string);
- dprintf(3, "VESA %d.%d\nVENDOR: %s\nPRODUCT: %s\n",
- vesa_info->version>>8, vesa_info->version&0xff,
- vendor, product);
-
- int ret, width, height;
- int bpp_require = 0;
- if (type == 0) {
- jpeg = jpeg_alloc();
- if (!jpeg) {
- warn_noalloc();
- goto done;
- }
- /* Parse jpeg and get image size. */
- dprintf(5, "Decoding bootsplash.jpg\n");
- ret = jpeg_decode(jpeg, filedata);
- if (ret) {
- dprintf(1, "jpeg_decode failed with return code %d...\n", ret);
- goto done;
- }
- jpeg_get_size(jpeg, &width, &height);
- } else {
- bmp = bmp_alloc();
- if (!bmp) {
- warn_noalloc();
- goto done;
- }
- /* Parse bmp and get image size. */
- dprintf(5, "Decoding bootsplash.bmp\n");
- ret = bmp_decode(bmp, filedata, filesize);
- if (ret) {
- dprintf(1, "bmp_decode failed with return code %d...\n", ret);
- goto done;
- }
- bmp_get_size(bmp, &width, &height);
- bpp_require = 24;
- }
- /* jpeg would use 16 or 24 bpp video mode, BMP use 24bpp mode only */
-
- // Try to find a graphics mode with the corresponding dimensions.
- int videomode = find_videomode(vesa_info, mode_info, width, height,
- bpp_require);
- if (videomode < 0) {
- dprintf(1, "failed to find a videomode with %dx%d %dbpp (0=any).\n",
- width, height, bpp_require);
- goto done;
- }
- void *framebuffer = (void *)mode_info->phys_base;
- int depth = mode_info->bits_per_pixel;
- dprintf(3, "mode: %04x\n", videomode);
- dprintf(3, "framebuffer: %p\n", framebuffer);
- dprintf(3, "bytes per scanline: %d\n", mode_info->bytes_per_scanline);
- dprintf(3, "bits per pixel: %d\n", depth);
-
- // Allocate space for image and decompress it.
- int imagesize = height * mode_info->bytes_per_scanline;
- picture = malloc_tmphigh(imagesize);
- if (!picture) {
- warn_noalloc();
- goto done;
- }
-
- if (type == 0) {
- dprintf(5, "Decompressing bootsplash.jpg\n");
- ret = jpeg_show(jpeg, picture, width, height, depth,
- mode_info->bytes_per_scanline);
- if (ret) {
- dprintf(1, "jpeg_show failed with return code %d...\n", ret);
- goto done;
- }
- } else {
- dprintf(5, "Decompressing bootsplash.bmp\n");
- ret = bmp_show(bmp, picture, width, height, depth,
- mode_info->bytes_per_scanline);
- if (ret) {
- dprintf(1, "bmp_show failed with return code %d...\n", ret);
- goto done;
- }
- }
-
- /* Switch to graphics mode */
- dprintf(5, "Switching to graphics mode\n");
- memset(&br, 0, sizeof(br));
- br.ax = 0x4f02;
- br.bx = videomode | VBE_MODE_LINEAR_FRAME_BUFFER;
- call16_int10(&br);
- if (br.ax != 0x4f) {
- dprintf(1, "set_mode failed.\n");
- goto done;
- }
-
- /* Show the picture */
- dprintf(5, "Showing bootsplash picture\n");
- iomemcpy(framebuffer, picture, imagesize);
- dprintf(5, "Bootsplash copy complete\n");
- BootsplashActive = 1;
-
-done:
- free(filedata);
- free(picture);
- free(vesa_info);
- free(mode_info);
- free(jpeg);
- free(bmp);
- return;
-}
-
-void
-disable_bootsplash(void)
-{
- if (!CONFIG_BOOTSPLASH || !BootsplashActive)
- return;
- BootsplashActive = 0;
- enable_vga_console();
-}