diff options
Diffstat (limited to 'kexec')
| -rw-r--r-- | kexec/arch/ppc64/kexec-elf-ppc64.c | 84 | ||||
| -rw-r--r-- | kexec/kexec-syscall.h | 3 |
2 files changed, 87 insertions, 0 deletions
diff --git a/kexec/arch/ppc64/kexec-elf-ppc64.c b/kexec/arch/ppc64/kexec-elf-ppc64.c index ddd3de8..3510b70 100644 --- a/kexec/arch/ppc64/kexec-elf-ppc64.c +++ b/kexec/arch/ppc64/kexec-elf-ppc64.c @@ -93,6 +93,85 @@ static int read_prop(char *name, void *value, size_t len) return 0; } +static int elf_ppc64_load_file(int argc, char **argv, struct kexec_info *info) +{ + int ret = 0; + char *cmdline, *dtb; + int opt, cmdline_len = 0; + + /* See options.h -- add any more there, too. */ + static const struct option options[] = { + KEXEC_ARCH_OPTIONS + { "command-line", 1, NULL, OPT_APPEND }, + { "append", 1, NULL, OPT_APPEND }, + { "ramdisk", 1, NULL, OPT_RAMDISK }, + { "initrd", 1, NULL, OPT_RAMDISK }, + { "devicetreeblob", 1, NULL, OPT_DEVICETREEBLOB }, + { "dtb", 1, NULL, OPT_DEVICETREEBLOB }, + { "args-linux", 0, NULL, OPT_ARGS_IGNORE }, + { 0, 0, NULL, 0 }, + }; + + static const char short_options[] = KEXEC_OPT_STR ""; + + /* Parse command line arguments */ + cmdline = 0; + dtb = 0; + ramdisk = 0; + + while ((opt = getopt_long(argc, argv, short_options, + options, 0)) != -1) { + switch (opt) { + default: + /* Ignore core options */ + if (opt < OPT_ARCH_MAX) + break; + case OPT_APPEND: + cmdline = optarg; + break; + case OPT_RAMDISK: + ramdisk = optarg; + break; + case OPT_DEVICETREEBLOB: + dtb = optarg; + break; + case OPT_ARGS_IGNORE: + break; + } + } + + if (dtb) + die("--dtb not supported while using --kexec-file-syscall.\n"); + + if (reuse_initrd) + die("--reuseinitrd not supported with --kexec-file-syscall.\n"); + + if (cmdline) { + cmdline_len = strlen(cmdline) + 1; + } else { + cmdline = strdup("\0"); + cmdline_len = 1; + } + + if (ramdisk) { + info->initrd_fd = open(ramdisk, O_RDONLY); + if (info->initrd_fd == -1) { + fprintf(stderr, "Could not open initrd file %s:%s\n", + ramdisk, strerror(errno)); + ret = -1; + goto out; + } + } + + info->command_line = cmdline; + info->command_line_len = cmdline_len; + return ret; +out: + if (cmdline_len == 1) + free(cmdline); + return ret; +} + int elf_ppc64_load(int argc, char **argv, const char *buf, off_t len, struct kexec_info *info) { @@ -132,6 +211,9 @@ int elf_ppc64_load(int argc, char **argv, const char *buf, off_t len, static const char short_options[] = KEXEC_OPT_STR ""; + if (info->file_mode) + return elf_ppc64_load_file(argc, argv, info); + /* Parse command line arguments */ initrd_base = 0; initrd_size = 0; @@ -387,6 +469,8 @@ void elf_ppc64_usage(void) fprintf(stderr, " --ramdisk=<filename> Initial RAM disk.\n"); fprintf(stderr, " --initrd=<filename> same as --ramdisk.\n"); fprintf(stderr, " --devicetreeblob=<filename> Specify device tree blob file.\n"); + fprintf(stderr, " "); + fprintf(stderr, "Not applicable while using --kexec-file-syscall.\n"); fprintf(stderr, " --dtb=<filename> same as --devicetreeblob.\n"); fprintf(stderr, "elf support is still broken\n"); diff --git a/kexec/kexec-syscall.h b/kexec/kexec-syscall.h index 3b5c528..33638c2 100644 --- a/kexec/kexec-syscall.h +++ b/kexec/kexec-syscall.h @@ -61,6 +61,9 @@ #ifdef __x86_64__ #define __NR_kexec_file_load 320 #endif +#ifdef __powerpc64__ +#define __NR_kexec_file_load 382 +#endif #ifndef __NR_kexec_file_load /* system call not available for the arch */ |