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author | Petr Štetiar <ynezz@true.cz> | 2021-07-05 11:54:26 +0200 |
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committer | Rafał Miłecki <rafal@milecki.pl> | 2021-10-05 16:20:10 +0200 |
commit | 8cc9a74a3f6bf363645efda6db417f8dadd3d844 (patch) | |
tree | 68f1648a077df8e49328f087eccaf94c2e47d1e8 /tools/firmware-utils/src/mkbrncmdline.c | |
parent | f82c93b93c0a021921ac7a30ba6e7a090c7ddd1c (diff) | |
download | upstream-8cc9a74a3f6bf363645efda6db417f8dadd3d844.tar.gz upstream-8cc9a74a3f6bf363645efda6db417f8dadd3d844.tar.bz2 upstream-8cc9a74a3f6bf363645efda6db417f8dadd3d844.zip |
firmware-utils: update to version 2021-10-05
Includes following changes:
db65821f006c cmake: fix missing install target
3a0cfc856991 Add initial GitLab CI support
8f47adea6f87 Add missing includes for byte swap operations
fbafae9f8037 Convert to CMake based project
Additionaly moves source code into separate Git project repository and
converts the package build to utilize CMake.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
[rmilecki: rebase, update to the latest repo git & rm -r src]
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'tools/firmware-utils/src/mkbrncmdline.c')
-rw-r--r-- | tools/firmware-utils/src/mkbrncmdline.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/tools/firmware-utils/src/mkbrncmdline.c b/tools/firmware-utils/src/mkbrncmdline.c deleted file mode 100644 index bcb72b03e7..0000000000 --- a/tools/firmware-utils/src/mkbrncmdline.c +++ /dev/null @@ -1,156 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * mkbrncmdline.c - partially based on OpenWrt's wndr3700.c - * - * Copyright (C) 2011 Tobias Diedrich <ranma+openwrt@tdiedrich.de> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stddef.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <string.h> -#include <netinet/in.h> -#include <inttypes.h> - -static void usage(const char *) __attribute__ (( __noreturn__ )); - -static void usage(const char *mess) -{ - fprintf(stderr, "Error: %s\n", mess); - fprintf(stderr, "Usage: mkbrncmdline -i input_file -o output_file [-a loadaddress] arg1 [argx ...]\n"); - fprintf(stderr, "\n"); - exit(1); -} - -static char *input_file = NULL; -static char *output_file = NULL; -static unsigned loadaddr = 0x80002000; - -static void parseopts(int *argc, char ***argv) -{ - char *endptr; - int res; - - while ((res = getopt(*argc, *argv, "a:i:o:")) != -1) { - switch (res) { - default: - usage("Unknown option"); - break; - case 'a': - loadaddr = strtoul(optarg, &endptr, 0); - if (endptr == optarg || *endptr != 0) - usage("loadaddress must be a decimal or hexadecimal 32-bit value"); - break; - case 'i': - input_file = optarg; - break; - case 'o': - output_file = optarg; - break; - } - } - *argc -= optind; - *argv += optind; -} - -static void emitload(int outfd, int reg, unsigned value) -{ - char buf[8] = { - 0x3c, 0x04 + reg, - value >> 24, value >> 16, - 0x34, 0x84 + reg + (reg << 5), - value >> 8, value, - }; - if (write(outfd, buf, sizeof(buf)) != sizeof(buf)) { - fprintf(stderr, "write: %s\n", strerror(errno)); - exit(1); - } -} - -int main(int argc, char **argv) -{ - int outfd; - int i; - int fd; - size_t len, skip, buf_len; - unsigned cmdline_addr; - unsigned s_ofs; - char *buf; - - parseopts(&argc, &argv); - - if (argc < 1) - usage("must specify at least one kernel cmdline argument"); - - if (input_file == NULL || output_file == NULL) - usage("must specify input and output file"); - - if ((outfd = open(output_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) - { - fprintf(stderr, "Error opening '%s' for writing: %s\n", output_file, strerror(errno)); - exit(1); - } - - // mmap input_file - if ((fd = open(input_file, O_RDONLY)) < 0 - || (len = lseek(fd, 0, SEEK_END)) < 0 - || (input_file = mmap(0, len, PROT_READ, MAP_SHARED, fd, 0)) == (void *) (-1) - || close(fd) < 0) - { - fprintf(stderr, "Error mapping file '%s': %s\n", input_file, strerror(errno)); - exit(1); - } - - cmdline_addr = loadaddr + len; - - // Kernel args are passed in registers a0,a1,a2 and a3 - emitload(outfd, 0, 0); /* a0 = 0 */ - emitload(outfd, 1, 0); /* a1 = 0 */ - emitload(outfd, 2, cmdline_addr); /* a2 = &cmdline */ - emitload(outfd, 3, 0); /* a3 = 0 */ - skip = lseek(outfd, 0, SEEK_END); - - // write the kernel - if (write(outfd, input_file + skip, len - skip) != len -skip) { - fprintf(stderr, "write: %s\n", strerror(errno)); - exit(1); - } - - // write cmdline structure - buf_len = (argc + 1) * 4; - for (i=0; i<argc; i++) { - buf_len += strlen(argv[i]) + 1; - } - buf = malloc(buf_len + 16); - if (!buf) { - fprintf(stderr, "Could not allocate memory for cmdline buffer\n"); - exit(1); - } - memset(buf, 0, buf_len); - - s_ofs = 4 * (argc + 1); - for (i=0; i<argc; i++) { - unsigned s_ptr = cmdline_addr + s_ofs; - buf[i * 4 + 0] = s_ptr >> 24; - buf[i * 4 + 1] = s_ptr >> 16; - buf[i * 4 + 2] = s_ptr >> 8; - buf[i * 4 + 3] = s_ptr >> 0; - memcpy(&buf[s_ofs], argv[i], strlen(argv[i])); - s_ofs += strlen(argv[i]) + 1; - } - if (write(outfd, buf, buf_len) != buf_len) { - fprintf(stderr, "write: %s\n", strerror(errno)); - exit(1); - } - - - munmap(input_file, len); - close(outfd); - free(buf); - - return 0; -} |