* (C) Copyright 2002
* Detlev Zundel, DENX Software Engineering, dzu@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
+#include <lcd.h>
#include <bmp_layout.h>
#include <command.h>
#include <asm/byteorder.h>
#include <malloc.h>
+#include <splash.h>
+#include <video.h>
static int bmp_info (ulong addr);
-static int bmp_display (ulong addr, int x, int y);
-
-int gunzip(void *, int, unsigned char *, unsigned long *);
/*
* Allocate and decompress a BMP image using gunzip().
*
- * Returns a pointer to the decompressed image data. Must be freed by
- * the caller after use.
+ * Returns a pointer to the decompressed image data. This pointer is
+ * aligned to 32-bit-aligned-address + 2.
+ * See doc/README.displaying-bmps for explanation.
+ *
+ * The allocation address is passed to 'alloc_addr' and must be freed
+ * by the caller after use.
*
* Returns NULL if decompression failed, or if the decompressed data
* didn't contain a valid BMP signature.
*/
#ifdef CONFIG_VIDEO_BMP_GZIP
-static bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
+bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp,
+ void **alloc_addr)
{
void *dst;
unsigned long len;
* Decompress bmp image
*/
len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
- dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
+ /* allocate extra 3 bytes for 32-bit-aligned-address + 2 alignment */
+ dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE + 3);
if (dst == NULL) {
puts("Error: malloc in gunzip failed!\n");
return NULL;
}
- if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) {
+
+ bmp = dst;
+
+ /* align to 32-bit-aligned-address + 2 */
+ bmp = (bmp_image_t *)((((unsigned int)dst + 1) & ~3) + 2);
+
+ if (gunzip(bmp, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE, (uchar *)addr, &len) != 0) {
free(dst);
return NULL;
}
puts("Image could be truncated"
" (increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
- bmp = dst;
-
/*
* Check for bmp mark 'BM'
*/
return NULL;
}
- puts("Gzipped BMP image detected!\n");
+ debug("Gzipped BMP image detected!\n");
+ *alloc_addr = dst;
return bmp;
}
#else
-static bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp)
+bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp,
+ void **alloc_addr)
{
return NULL;
}
#endif
+static int do_bmp_info(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+ ulong addr;
+
+ switch (argc) {
+ case 1: /* use load_addr as default address */
+ addr = load_addr;
+ break;
+ case 2: /* use argument */
+ addr = simple_strtoul(argv[1], NULL, 16);
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+
+ return (bmp_info(addr));
+}
+
+static int do_bmp_display(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+ ulong addr;
+ int x = 0, y = 0;
+
+ splash_get_pos(&x, &y);
+
+ switch (argc) {
+ case 1: /* use load_addr as default address */
+ addr = load_addr;
+ break;
+ case 2: /* use argument */
+ addr = simple_strtoul(argv[1], NULL, 16);
+ break;
+ case 4:
+ addr = simple_strtoul(argv[1], NULL, 16);
+ x = simple_strtoul(argv[2], NULL, 10);
+ y = simple_strtoul(argv[3], NULL, 10);
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+
+ return (bmp_display(addr, x, y));
+}
+
+static cmd_tbl_t cmd_bmp_sub[] = {
+ U_BOOT_CMD_MKENT(info, 3, 0, do_bmp_info, "", ""),
+ U_BOOT_CMD_MKENT(display, 5, 0, do_bmp_display, "", ""),
+};
+
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+void bmp_reloc(void) {
+ fixup_cmdtable(cmd_bmp_sub, ARRAY_SIZE(cmd_bmp_sub));
+}
+#endif
/*
* Subroutine: do_bmp
* Return: None
*
*/
-int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- ulong addr;
- int x = 0, y = 0;
+ cmd_tbl_t *c;
- switch (argc) {
- case 2: /* use load_addr as default address */
- addr = load_addr;
- break;
- case 3: /* use argument */
- addr = simple_strtoul(argv[2], NULL, 16);
- break;
- case 5:
- addr = simple_strtoul(argv[2], NULL, 16);
- x = simple_strtoul(argv[3], NULL, 10);
- y = simple_strtoul(argv[4], NULL, 10);
- break;
- default:
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ /* Strip off leading 'bmp' command argument */
+ argc--;
+ argv++;
- /* Allow for short names
- * Adjust length if more sub-commands get added
- */
- if (strncmp(argv[1],"info",1) == 0) {
- return (bmp_info(addr));
- } else if (strncmp(argv[1],"display",1) == 0) {
- return (bmp_display(addr, x, y));
- } else {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ c = find_cmd_tbl(argv[0], &cmd_bmp_sub[0], ARRAY_SIZE(cmd_bmp_sub));
+
+ if (c)
+ return c->cmd(cmdtp, flag, argc, argv);
+ else
+ return CMD_RET_USAGE;
}
U_BOOT_CMD(
bmp, 5, 1, do_bmp,
- "bmp - manipulate BMP image data\n",
+ "manipulate BMP image data",
"info <imageAddr> - display image info\n"
- "bmp display <imageAddr> [x y] - display image at x,y\n"
+ "bmp display <imageAddr> [x y] - display image at x,y"
);
/*
static int bmp_info(ulong addr)
{
bmp_image_t *bmp=(bmp_image_t *)addr;
+ void *bmp_alloc_addr = NULL;
unsigned long len;
if (!((bmp->header.signature[0]=='B') &&
(bmp->header.signature[1]=='M')))
- bmp = gunzip_bmp(addr, &len);
+ bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr);
if (bmp == NULL) {
printf("There is no valid bmp file at the given address\n");
printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
printf("Compression : %d\n", le32_to_cpu(bmp->header.compression));
- if ((unsigned long)bmp != addr)
- free(bmp);
+ if (bmp_alloc_addr)
+ free(bmp_alloc_addr);
return(0);
}
* Return: None
*
*/
-static int bmp_display(ulong addr, int x, int y)
+int bmp_display(ulong addr, int x, int y)
{
int ret;
bmp_image_t *bmp = (bmp_image_t *)addr;
+ void *bmp_alloc_addr = NULL;
unsigned long len;
if (!((bmp->header.signature[0]=='B') &&
(bmp->header.signature[1]=='M')))
- bmp = gunzip_bmp(addr, &len);
+ bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr);
if (!bmp) {
printf("There is no valid bmp file at the given address\n");
}
#if defined(CONFIG_LCD)
- extern int lcd_display_bitmap (ulong, int, int);
-
- ret = lcd_display_bitmap ((unsigned long)bmp, x, y);
+ ret = lcd_display_bitmap((ulong)bmp, x, y);
#elif defined(CONFIG_VIDEO)
- extern int video_display_bitmap (ulong, int, int);
-
- ret = video_display_bitmap ((unsigned long)bmp, x, y);
+ ret = video_display_bitmap((unsigned long)bmp, x, y);
#else
# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
#endif
- if ((unsigned long)bmp != addr)
- free(bmp);
+ if (bmp_alloc_addr)
+ free(bmp_alloc_addr);
return ret;
}
projects / karo-tx-uboot.git / blobdiff