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synced 2025-01-14 17:35:42 +00:00
[PATCH] ppc64 boot: remove argv usage
Use a local variable for the input filenames. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
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eba2fb2dac
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@ -39,6 +39,7 @@ int main(int argc, char **argv)
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FILE *inputVmlinux;
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FILE *outputVmlinux;
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char *rd_name, *lx_name, *out_name;
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unsigned i;
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unsigned long ramFileLen;
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unsigned long ramLen;
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@ -69,6 +70,7 @@ int main(int argc, char **argv)
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fprintf(stderr, "Name of RAM disk file missing.\n");
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exit(1);
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}
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rd_name = argv[1]
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if (argc < 3) {
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fprintf(stderr, "Name of System Map input file is missing.\n");
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@ -79,16 +81,18 @@ int main(int argc, char **argv)
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fprintf(stderr, "Name of vmlinux file missing.\n");
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exit(1);
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}
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lx_name = argv[3];
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if (argc < 5) {
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fprintf(stderr, "Name of vmlinux output file missing.\n");
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exit(1);
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}
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out_name = argv[4];
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ramDisk = fopen(argv[1], "r");
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ramDisk = fopen(rd_name, "r");
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if ( ! ramDisk ) {
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fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", argv[1]);
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fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", rd_name);
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exit(1);
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}
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@ -98,15 +102,15 @@ int main(int argc, char **argv)
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exit(1);
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}
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inputVmlinux = fopen(argv[3], "r");
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inputVmlinux = fopen(lx_name, "r");
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if ( ! inputVmlinux ) {
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fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", argv[3]);
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fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", lx_name);
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exit(1);
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}
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outputVmlinux = fopen(argv[4], "w+");
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outputVmlinux = fopen(out_name, "w+");
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if ( ! outputVmlinux ) {
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fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", argv[4]);
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fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", out_name);
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exit(1);
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}
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@ -194,7 +198,7 @@ int main(int argc, char **argv)
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fseek(ramDisk, 0, SEEK_END);
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ramFileLen = ftell(ramDisk);
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fseek(ramDisk, 0, SEEK_SET);
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printf("%s file size = %ld/0x%lx \n", argv[1], ramFileLen, ramFileLen);
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printf("%s file size = %ld/0x%lx \n", rd_name, ramFileLen, ramFileLen);
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ramLen = ramFileLen;
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@ -248,7 +252,7 @@ int main(int argc, char **argv)
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/* fseek to the hvReleaseData pointer */
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fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET);
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if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) {
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death("Could not read hvReleaseData pointer\n", outputVmlinux, argv[4]);
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death("Could not read hvReleaseData pointer\n", outputVmlinux, out_name);
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}
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hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */
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printf("hvReleaseData is at %08x\n", hvReleaseData);
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@ -256,11 +260,11 @@ int main(int argc, char **argv)
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/* fseek to the hvReleaseData */
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fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET);
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if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) {
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death("Could not read hvReleaseData\n", outputVmlinux, argv[4]);
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death("Could not read hvReleaseData\n", outputVmlinux, out_name);
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}
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/* Check hvReleaseData sanity */
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if (memcmp(inbuf, &eyeCatcher, 4) != 0) {
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death("hvReleaseData is invalid\n", outputVmlinux, argv[4]);
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death("hvReleaseData is invalid\n", outputVmlinux, out_name);
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}
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/* Get the naca pointer */
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naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE;
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@ -269,13 +273,13 @@ int main(int argc, char **argv)
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/* fseek to the naca */
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fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
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if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) {
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death("Could not read naca\n", outputVmlinux, argv[4]);
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death("Could not read naca\n", outputVmlinux, out_name);
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}
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xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c]));
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xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14]));
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/* Make sure a RAM disk isn't already present */
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if ((xRamDisk != 0) || (xRamDiskSize != 0)) {
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death("RAM disk is already attached to this kernel\n", outputVmlinux, argv[4]);
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death("RAM disk is already attached to this kernel\n", outputVmlinux, out_name);
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}
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/* Fill in the values */
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*((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs);
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@ -285,7 +289,7 @@ int main(int argc, char **argv)
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fflush(outputVmlinux);
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fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
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if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) {
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death("Could not write naca\n", outputVmlinux, argv[4]);
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death("Could not write naca\n", outputVmlinux, out_name);
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}
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printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08x\n",
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ramPages, ramStartOffs);
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@ -293,7 +297,7 @@ int main(int argc, char **argv)
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/* Done */
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fclose(outputVmlinux);
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/* Set permission to executable */
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chmod(argv[4], S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
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chmod(out_name, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
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return 0;
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}
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