firmware-utils: update to version 2021-10-05

[openwrt/openwrt.git] / tools / firmware-utils / src / mkbrncmdline.c

diff --git a/tools/firmware-utils/src/mkbrncmdline.c b/tools/firmware-utils/src/mkbrncmdline.c
deleted file mode 100644 (file)
index bcb72b0..0000000
--- 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;
-}