63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2019 Johanna Schander <coreboot@mimoja.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <cbfs.h>
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#include <vbe.h>
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#include <console/console.h>
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#include <endian.h>
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#include <bootsplash.h>
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#include "jpeg.h"
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void set_vesa_bootsplash(void)
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{
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const vbe_mode_info_t *mode_info = vbe_mode_info();
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if (mode_info != NULL) {
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printk(BIOS_INFO, "Setting up bootsplash\n");
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unsigned int x_resolution = le16_to_cpu(mode_info->vesa.x_resolution);
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unsigned int y_resolution = le16_to_cpu(mode_info->vesa.y_resolution);
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unsigned int fb_resolution = mode_info->vesa.bits_per_pixel;
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unsigned char *framebuffer =
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(unsigned char *)le32_to_cpu(mode_info->vesa.phys_base_ptr);
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set_bootsplash(framebuffer, x_resolution, y_resolution, fb_resolution);
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} else {
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printk(BIOS_ERR, "VBE modeinfo invalid\n");
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}
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}
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void set_bootsplash(unsigned char *framebuffer, unsigned int x_resolution,
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unsigned int y_resolution, unsigned int fb_resolution)
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{
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struct jpeg_decdata *decdata;
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unsigned char *jpeg =
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cbfs_boot_map_with_leak("bootsplash.jpg", CBFS_TYPE_BOOTSPLASH, NULL);
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if (!jpeg) {
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printk(BIOS_ERR, "Could not find bootsplash.jpg\n");
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return;
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}
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decdata = malloc(sizeof(*decdata));
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int ret = jpeg_decode(jpeg, framebuffer, x_resolution, y_resolution, fb_resolution,
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decdata);
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if (ret != 0) {
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printk(BIOS_ERR, "Bootsplash could not be decoded. jpeg_decode returned %d.\n",
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ret);
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return;
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}
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printk(BIOS_INFO, "Bootsplash loaded\n");
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}
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