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-rw-r--r--target/linux/generic/patches-3.7/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch186
1 files changed, 0 insertions, 186 deletions
diff --git a/target/linux/generic/patches-3.7/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch b/target/linux/generic/patches-3.7/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch
deleted file mode 100644
index e0a1103eb6..0000000000
--- a/target/linux/generic/patches-3.7/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch
+++ /dev/null
@@ -1,186 +0,0 @@
---- a/arch/mips/kernel/machine_kexec.c
-+++ b/arch/mips/kernel/machine_kexec.c
-@@ -25,67 +25,104 @@ void (*relocated_kexec_smp_wait) (void *
- atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
- #endif
-
--static void machine_kexec_init_args(void)
-+#define KEXEC_MIPS_ARGV_BUF_SIZE COMMAND_LINE_SIZE
-+#define KEXEC_MIPS_ARGV_MAX_ARGS (COMMAND_LINE_SIZE / 15)
-+
-+char kexec_argv_buf[KEXEC_MIPS_ARGV_BUF_SIZE] __kexec;
-+char *kexec_argv[KEXEC_MIPS_ARGV_MAX_ARGS] __kexec;
-+
-+static void
-+machine_kexec_print_args(void)
- {
-- kexec_args[0] = fw_arg0;
-- kexec_args[1] = fw_arg1;
-- kexec_args[2] = fw_arg2;
-- kexec_args[3] = fw_arg3;
-+ int i;
-
- pr_info("kexec_args[0] (argc): %lu\n", kexec_args[0]);
- pr_info("kexec_args[1] (argv): %p\n", (void *)kexec_args[1]);
- pr_info("kexec_args[2] (env ): %p\n", (void *)kexec_args[2]);
- pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]);
--}
-
--#define ARGV_MAX_ARGS (COMMAND_LINE_SIZE / 15)
-+ for (i = 0; i < kexec_args[0]; i++)
-+ pr_info("kexec_argv[%d] = %p, %s\n", i,
-+ (char *)kexec_argv[i], (char *)kexec_argv[i]);
-+}
-
--int machine_kexec_pass_args(struct kimage *image)
-+static void
-+machine_kexec_init_argv(struct kimage *image)
- {
-- int i, argc = 0;
-- char *bootloader = "kexec";
-- int *kexec_argv = (int *)kexec_args[1];
-+ void __user *buf = NULL;
-+ size_t bufsz;
-+ size_t size;
-+ int i;
-
-+ bufsz = 0;
- for (i = 0; i < image->nr_segments; i++) {
-- if (!strncmp(bootloader, (char *)image->segment[i].buf,
-- strlen(bootloader))) {
-- /*
-- * convert command line string to array
-- * of parameters (as bootloader does).
-- */
-- /*
-- * Note: we do treat the 1st string "kexec" as an
-- * argument ;-) so, argc here is 1.
-- */
-- char *str = (char *)image->segment[i].buf;
-- char *ptr = strchr(str, ' ');
-- char *kbuf = (char *)kexec_argv[0];
-- /* Whenever --command-line or --append used, "kexec" is copied */
-- argc = 1;
-- /* Parse the offset */
-- while (ptr && (ARGV_MAX_ARGS > argc)) {
-- *ptr = '\0';
-- if (ptr[1] != ' ' && ptr[1] != '\0') {
-- int offt = (int)(ptr - str + 1);
-- kexec_argv[argc] = (int)kbuf + offt;
-- argc++;
-- }
-- ptr = strchr(ptr + 1, ' ');
-- }
-- if (argc > 1) {
-- /* Copy to kernel space */
-- copy_from_user(kbuf, (char *)image->segment[i].buf, image->segment[i].bufsz);
-- fw_arg0 = kexec_args[0] = argc;
-- }
-- break;
-+ struct kexec_segment *seg;
-+
-+ seg = &image->segment[i];
-+ if (seg->bufsz < 6)
-+ continue;
-+
-+ if (strncmp((char *) seg->buf, "kexec", 5))
-+ continue;
-+
-+ /* don't copy "kexec" */
-+ buf = seg->buf + 5;
-+ bufsz = seg->bufsz - 5;
-+ break;
-+ }
-+
-+ if (!buf)
-+ return;
-+
-+ size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;
-+ size = min(size, bufsz);
-+ if (size < bufsz)
-+ pr_warn("kexec command line truncated to %zd bytes\n", size);
-+
-+ /* Copy to kernel space */
-+ copy_from_user(kexec_argv_buf, buf, size);
-+}
-+
-+static void
-+machine_kexec_parse_argv(struct kimage *image)
-+{
-+ char *reboot_code_buffer;
-+ int reloc_delta;
-+ char *ptr;
-+ int argc;
-+ int i;
-+
-+ ptr = kexec_argv_buf;
-+ argc = 0;
-+
-+ /*
-+ * convert command line string to array of parameters
-+ * (as bootloader does).
-+ */
-+ while (ptr && *ptr && (KEXEC_MIPS_ARGV_MAX_ARGS > argc)) {
-+ if (*ptr == ' ') {
-+ *ptr++ = '\0';
-+ continue;
- }
-+
-+ kexec_argv[argc++] = ptr;
-+ ptr = strchr(ptr, ' ');
- }
-
-- pr_info("argc = %lu\n", kexec_args[0]);
-- for (i = 0; i < kexec_args[0]; i++)
-- pr_info("argv[%d] = %p, %s\n", i, (char *)kexec_argv[i], (char *)kexec_argv[i]);
-+ if (!argc)
-+ return;
-
-- return 0;
-+ kexec_args[0] = argc;
-+ kexec_args[1] = (unsigned long)kexec_argv;
-+ kexec_args[2] = 0;
-+ kexec_args[3] = 0;
-+
-+ reboot_code_buffer = page_address(image->control_code_page);
-+ reloc_delta = reboot_code_buffer - (char *) &__start___kexec_relocate;
-+
-+ kexec_args[1] += reloc_delta;
-+ for (i = 0; i < argc; i++)
-+ kexec_argv[i] += reloc_delta;
- }
-
- int
-@@ -97,8 +134,14 @@ machine_kexec_prepare(struct kimage *kim
- *
- * This can be overrided by _machine_kexec_prepare().
- */
-- machine_kexec_init_args();
-- machine_kexec_pass_args(kimage);
-+
-+ kexec_args[0] = fw_arg0;
-+ kexec_args[1] = fw_arg1;
-+ kexec_args[2] = fw_arg2;
-+ kexec_args[3] = fw_arg3;
-+
-+ machine_kexec_init_argv(kimage);
-+ machine_kexec_parse_argv(kimage);
-
- if (_machine_kexec_prepare)
- return _machine_kexec_prepare(kimage);
-@@ -154,11 +197,13 @@ machine_kexec(struct kimage *image)
- pr_info("kexec_indirection_page = %p\n",
- (void *)kexec_indirection_page);
-
-+ pr_info("Copy kexec_relocate section from %p to reboot_code_buffer: %p\n",
-+ &__start___kexec_relocate, (void *)reboot_code_buffer);
-+
- memcpy((void *)reboot_code_buffer, &__start___kexec_relocate,
- kexec_relocate_size);
-
-- pr_info("Copy kexec_relocate section from %p to reboot_code_buffer: %p\n",
-- &__start___kexec_relocate, (void *)reboot_code_buffer);
-+ machine_kexec_print_args();
-
- /*
- * The generic kexec code builds a page list with physical