diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2012-05-27 15:01:09 +0000 |
---|---|---|
committer | Gabor Juhos <juhosg@openwrt.org> | 2012-05-27 15:01:09 +0000 |
commit | 827fdc608c99284572e472b948dd8f0bd0cddeb2 (patch) | |
tree | 67ea5cdd7c54260a66c617e12e458ae08576ff0f /target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch | |
parent | 8aea17b6d8aaf29ed32ccb715d33f7657ee56987 (diff) | |
download | master-187ad058-827fdc608c99284572e472b948dd8f0bd0cddeb2.tar.gz master-187ad058-827fdc608c99284572e472b948dd8f0bd0cddeb2.tar.bz2 master-187ad058-827fdc608c99284572e472b948dd8f0bd0cddeb2.zip |
linux/3.1: R.I.P.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31891 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch')
-rw-r--r-- | target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch b/target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch deleted file mode 100644 index f7a8eed000..0000000000 --- a/target/linux/generic/patches-3.1/335-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 -@@ -23,67 +23,104 @@ 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 -@@ -95,8 +132,14 @@ 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); -@@ -152,11 +195,13 @@ 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 |