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Diffstat (limited to 'tools/firmware-utils/src/bcm4908kernel.c')
-rw-r--r--tools/firmware-utils/src/bcm4908kernel.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/tools/firmware-utils/src/bcm4908kernel.c b/tools/firmware-utils/src/bcm4908kernel.c
deleted file mode 100644
index eaf04a0a48..0000000000
--- a/tools/firmware-utils/src/bcm4908kernel.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2021 Rafał Miłecki <rafal@milecki.pl>
- */
-
-#include <byteswap.h>
-#include <endian.h>
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#if !defined(__BYTE_ORDER)
-#error "Unknown byte order"
-#endif
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define cpu_to_le32(x) bswap_32(x)
-#define le32_to_cpu(x) bswap_32(x)
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
-#define cpu_to_le32(x) (x)
-#define le32_to_cpu(x) (x)
-#else
-#error "Unsupported endianness"
-#endif
-
-struct bcm4908kernel_header {
- uint32_t boot_load_addr; /* AKA la_address */
- uint32_t boot_addr; /* AKA la_entrypt */
- uint32_t data_len;
- uint8_t magic[4];
- uint32_t uncomplen; /* Empty for LZMA, used for LZ4 */
-};
-
-static void usage() {
- printf("Usage:\n");
- printf("\n");
- printf("\t-i pathname\t\t\tinput kernel filepath\n");
- printf("\t-o pathname\t\t\toutput kernel filepath\n");
-}
-
-int main(int argc, char **argv) {
- struct bcm4908kernel_header header;
- uint8_t buf[1024];
- FILE *out = NULL;
- FILE *in = NULL;
- size_t length;
- size_t bytes;
- int err = 0;
- char c;
-
- if (argc >= 2 && !strcmp(argv[1], "-h")) {
- usage();
- return 0;
- }
-
- while ((c = getopt(argc, argv, "i:o:")) != -1) {
- switch (c) {
- case 'i':
- in = fopen(optarg, "r");
- break;
- case 'o':
- out = fopen(optarg, "w+");
- break;
- }
- }
-
- if (!in || !out) {
- fprintf(stderr, "Failed to open input and/or output file\n");
- usage();
- return -EINVAL;
- }
-
- if (fread(&header, 1, sizeof(header), in) != sizeof(header)) {
- fprintf(stderr, "Failed to read %zu bytes from input file\n", sizeof(header));
- err = -EIO;
- goto err_close;
- }
-
- if (!memcmp(header.magic, "BRCM", 4)) {
- fprintf(stderr, "Input file already contains BCM4908 kernel header\n");
- err = -EIO;
- goto err_close;
- }
-
- err = fseek(out, sizeof(header), SEEK_SET);
- if (err) {
- err = -errno;
- fprintf(stderr, "Failed to fseek(): %d\n", err);
- goto err_close;
- }
-
- length = 0;
- rewind(in);
- while ((bytes = fread(buf, 1, sizeof(buf), in)) > 0) {
- if (fwrite(buf, 1, bytes, out) != bytes) {
- fprintf(stderr, "Failed to write %zu B to the output file\n", bytes);
- err = -EIO;
- goto err_close;
- }
- length += bytes;
- }
-
- header.boot_load_addr = cpu_to_le32(0x00080000);
- header.boot_addr = cpu_to_le32(0x00080000);
- header.data_len = cpu_to_le32(length);
- header.magic[0] = 'B';
- header.magic[1] = 'R';
- header.magic[2] = 'C';
- header.magic[3] = 'M';
- header.uncomplen = 0;
-
- fseek(out, 0, SEEK_SET);
-
- if (fwrite(&header, 1, sizeof(header), out) != sizeof(header)) {
- fprintf(stderr, "Failed to write header to the output file\n");
- err = -EIO;
- goto err_close;
- }
-
-err_close:
- fclose(out);
- fclose(in);
- return err;
-}