/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
- * 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+
*/
-#define _GNU_SOURCE
-
-#include "mkimage.h"
+#include "imagetool.h"
#include <image.h>
#include "pblimage.h"
+#include "pbl_crc32.h"
/*
- * The PBL can load up to 64 bytes at a time, so we split the U-Boot
- * image into 64 byte chunks. PBL needs a command for each piece, of
- * the form "81xxxxxx", where "xxxxxx" is the offset. SYS_TEXT_BASE
- * is 0xFFF80000 for PBL boot, and PBL only cares about low 24-bit,
- * so it starts from 0x81F80000.
+ * Initialize to an invalid value.
*/
-static uint32_t next_pbl_cmd = 0x81F80000;
+static uint32_t next_pbl_cmd = 0x82000000;
/*
* need to store all bytes in memory for calculating crc32, then write the
* bytes to image file for PBL boot.
*/
-static unsigned char mem_buf[600000];
+static unsigned char mem_buf[1000000];
static unsigned char *pmem_buf = mem_buf;
static int pbl_size;
static char *fname = "Unknown";
#define ENDIANNESS ((char)endian_test.l)
+/*
+ * The PBL can load up to 64 bytes at a time, so we split the U-Boot
+ * image into 64 byte chunks. PBL needs a command for each piece, of
+ * the form "81xxxxxx", where "xxxxxx" is the offset. Calculate the
+ * start offset by subtracting the size of the u-boot image from the
+ * top of the allowable 24-bit range.
+ */
+static void init_next_pbl_cmd(FILE *fp_uboot)
+{
+ struct stat st;
+ int fd = fileno(fp_uboot);
+
+ if (fstat(fd, &st) == -1) {
+ printf("Error: Could not determine u-boot image size. %s\n",
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ next_pbl_cmd = 0x82000000 - st.st_size;
+}
+
static void generate_pbl_cmd(void)
{
uint32_t val = next_pbl_cmd;
/* load split u-boot with PBI command 81xxxxxx. */
static void load_uboot(FILE *fp_uboot)
{
+ init_next_pbl_cmd(fp_uboot);
while (next_pbl_cmd < 0x82000000) {
generate_pbl_cmd();
pbl_fget(64, fp_uboot);
fclose(fd);
}
-static uint32_t crc_table[256];
-
-static void make_crc_table(void)
-{
- uint32_t mask;
- int i, j;
- uint32_t poly; /* polynomial exclusive-or pattern */
-
- /*
- * the polynomial used by PBL is 1 + x1 + x2 + x4 + x5 + x7 + x8 + x10
- * + x11 + x12 + x16 + x22 + x23 + x26 + x32.
- */
- poly = 0x04c11db7;
-
- for (i = 0; i < 256; i++) {
- mask = i << 24;
- for (j = 0; j < 8; j++) {
- if (mask & 0x80000000)
- mask = (mask << 1) ^ poly;
- else
- mask <<= 1;
- }
- crc_table[i] = mask;
- }
-}
-
-unsigned long pbl_crc32(unsigned long crc, const char *buf, uint32_t len)
-{
- uint32_t crc32_val = 0xffffffff;
- uint32_t xor = 0x0;
- int i;
-
- make_crc_table();
-
- for (i = 0; i < len; i++)
- crc32_val = (crc32_val << 8) ^
- crc_table[(crc32_val >> 24) ^ (*buf++ & 0xff)];
-
- crc32_val = crc32_val ^ xor;
- if (crc32_val < 0) {
- crc32_val += 0xffffffff;
- crc32_val += 1;
- }
- return crc32_val;
-}
-
static uint32_t reverse_byte(uint32_t val)
{
uint32_t temp;
}
}
-void pbl_load_uboot(int ifd, struct mkimage_params *params)
+void pbl_load_uboot(int ifd, struct image_tool_params *params)
{
FILE *fp_uboot;
int size;
}
static int pblimage_verify_header(unsigned char *ptr, int image_size,
- struct mkimage_params *params)
+ struct image_tool_params *params)
{
struct pbl_header *pbl_hdr = (struct pbl_header *) ptr;
}
static void pblimage_set_header(void *ptr, struct stat *sbuf, int ifd,
- struct mkimage_params *params)
+ struct image_tool_params *params)
{
/*nothing need to do, pbl_load_uboot takes care of whole file. */
}
void init_pbl_image_type(void)
{
pbl_size = 0;
- mkimage_register(&pblimage_params);
+ register_image_type(&pblimage_params);
}