Commit 58638bff authored by Olaf Hering's avatar Olaf Hering Committed by Paul Mackerras

[PATCH] ppc64 boot: remove argv usage

Use a local variable for the input filenames.
Signed-off-by: default avatarOlaf Hering <olh@suse.de>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent eba2fb2d
......@@ -39,6 +39,7 @@ int main(int argc, char **argv)
FILE *inputVmlinux;
FILE *outputVmlinux;
char *rd_name, *lx_name, *out_name;
unsigned i;
unsigned long ramFileLen;
unsigned long ramLen;
......@@ -69,6 +70,7 @@ int main(int argc, char **argv)
fprintf(stderr, "Name of RAM disk file missing.\n");
exit(1);
}
rd_name = argv[1]
if (argc < 3) {
fprintf(stderr, "Name of System Map input file is missing.\n");
......@@ -79,16 +81,18 @@ int main(int argc, char **argv)
fprintf(stderr, "Name of vmlinux file missing.\n");
exit(1);
}
lx_name = argv[3];
if (argc < 5) {
fprintf(stderr, "Name of vmlinux output file missing.\n");
exit(1);
}
out_name = argv[4];
ramDisk = fopen(argv[1], "r");
ramDisk = fopen(rd_name, "r");
if ( ! ramDisk ) {
fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", argv[1]);
fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", rd_name);
exit(1);
}
......@@ -98,15 +102,15 @@ int main(int argc, char **argv)
exit(1);
}
inputVmlinux = fopen(argv[3], "r");
inputVmlinux = fopen(lx_name, "r");
if ( ! inputVmlinux ) {
fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", argv[3]);
fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", lx_name);
exit(1);
}
outputVmlinux = fopen(argv[4], "w+");
outputVmlinux = fopen(out_name, "w+");
if ( ! outputVmlinux ) {
fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", argv[4]);
fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", out_name);
exit(1);
}
......@@ -194,7 +198,7 @@ int main(int argc, char **argv)
fseek(ramDisk, 0, SEEK_END);
ramFileLen = ftell(ramDisk);
fseek(ramDisk, 0, SEEK_SET);
printf("%s file size = %ld/0x%lx \n", argv[1], ramFileLen, ramFileLen);
printf("%s file size = %ld/0x%lx \n", rd_name, ramFileLen, ramFileLen);
ramLen = ramFileLen;
......@@ -248,7 +252,7 @@ int main(int argc, char **argv)
/* fseek to the hvReleaseData pointer */
fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET);
if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) {
death("Could not read hvReleaseData pointer\n", outputVmlinux, argv[4]);
death("Could not read hvReleaseData pointer\n", outputVmlinux, out_name);
}
hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */
printf("hvReleaseData is at %08x\n", hvReleaseData);
......@@ -256,11 +260,11 @@ int main(int argc, char **argv)
/* fseek to the hvReleaseData */
fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET);
if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) {
death("Could not read hvReleaseData\n", outputVmlinux, argv[4]);
death("Could not read hvReleaseData\n", outputVmlinux, out_name);
}
/* Check hvReleaseData sanity */
if (memcmp(inbuf, &eyeCatcher, 4) != 0) {
death("hvReleaseData is invalid\n", outputVmlinux, argv[4]);
death("hvReleaseData is invalid\n", outputVmlinux, out_name);
}
/* Get the naca pointer */
naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE;
......@@ -269,13 +273,13 @@ int main(int argc, char **argv)
/* fseek to the naca */
fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) {
death("Could not read naca\n", outputVmlinux, argv[4]);
death("Could not read naca\n", outputVmlinux, out_name);
}
xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c]));
xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14]));
/* Make sure a RAM disk isn't already present */
if ((xRamDisk != 0) || (xRamDiskSize != 0)) {
death("RAM disk is already attached to this kernel\n", outputVmlinux, argv[4]);
death("RAM disk is already attached to this kernel\n", outputVmlinux, out_name);
}
/* Fill in the values */
*((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs);
......@@ -285,7 +289,7 @@ int main(int argc, char **argv)
fflush(outputVmlinux);
fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) {
death("Could not write naca\n", outputVmlinux, argv[4]);
death("Could not write naca\n", outputVmlinux, out_name);
}
printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08x\n",
ramPages, ramStartOffs);
......@@ -293,7 +297,7 @@ int main(int argc, char **argv)
/* Done */
fclose(outputVmlinux);
/* Set permission to executable */
chmod(argv[4], S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
chmod(out_name, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
return 0;
}
......
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