diff options
Diffstat (limited to 'meta/packages/kexec/kexec-tools-1.101/kexec-arm-atags.patch')
| -rw-r--r-- | meta/packages/kexec/kexec-tools-1.101/kexec-arm-atags.patch | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/meta/packages/kexec/kexec-tools-1.101/kexec-arm-atags.patch b/meta/packages/kexec/kexec-tools-1.101/kexec-arm-atags.patch deleted file mode 100644 index bf6f64003..000000000 --- a/meta/packages/kexec/kexec-tools-1.101/kexec-arm-atags.patch +++ /dev/null @@ -1,294 +0,0 @@ ---- - kexec/arch/arm/kexec-zImage-arm.c | 259 ++++++++++++++++++++++++++++++++++++-- - 1 file changed, 252 insertions(+), 7 deletions(-) - -Index: kexec-tools-1.101/kexec/arch/arm/kexec-zImage-arm.c -=================================================================== ---- kexec-tools-1.101.orig/kexec/arch/arm/kexec-zImage-arm.c 2007-12-26 21:17:07.000000000 +0000 -+++ kexec-tools-1.101/kexec/arch/arm/kexec-zImage-arm.c 2007-12-27 01:24:25.000000000 +0000 -@@ -1,11 +1,83 @@ -+/* -+ * - 08/21/2007 ATAG support added by Uli Luckas <u.luckas@road.de> -+ * -+ */ - #define _GNU_SOURCE - #include <stdio.h> - #include <string.h> - #include <stdlib.h> - #include <errno.h> - #include <limits.h> -+#include <stdint.h> -+#include <getopt.h> -+#include <arch/options.h> -+#include <asm/page.h> - #include "../../kexec.h" - -+#define COMMAND_LINE_SIZE 1024 -+#define BOOT_PARAMS_SIZE 1536 -+ -+struct tag_header { -+ uint32_t size; -+ uint32_t tag; -+}; -+ -+/* The list must start with an ATAG_CORE node */ -+#define ATAG_CORE 0x54410001 -+ -+struct tag_core { -+ uint32_t flags; /* bit 0 = read-only */ -+ uint32_t pagesize; -+ uint32_t rootdev; -+}; -+ -+/* it is allowed to have multiple ATAG_MEM nodes */ -+#define ATAG_MEM 0x54410002 -+ -+struct tag_mem32 { -+ uint32_t size; -+ uint32_t start; /* physical start address */ -+}; -+ -+/* describes where the compressed ramdisk image lives (virtual address) */ -+/* -+ * this one accidentally used virtual addresses - as such, -+ * it's deprecated. -+ */ -+#define ATAG_INITRD 0x54410005 -+ -+/* describes where the compressed ramdisk image lives (physical address) */ -+#define ATAG_INITRD2 0x54420005 -+ -+struct tag_initrd { -+ uint32_t start; /* physical start address */ -+ uint32_t size; /* size of compressed ramdisk image in bytes */ -+}; -+ -+/* command line: \0 terminated string */ -+#define ATAG_CMDLINE 0x54410009 -+ -+struct tag_cmdline { -+ char cmdline[1]; /* this is the minimum size */ -+}; -+ -+/* The list ends with an ATAG_NONE node. */ -+#define ATAG_NONE 0x00000000 -+ -+struct tag { -+ struct tag_header hdr; -+ union { -+ struct tag_core core; -+ struct tag_mem32 mem; -+ struct tag_initrd initrd; -+ struct tag_cmdline cmdline; -+ } u; -+}; -+ -+#define tag_next(t) ((struct tag *)((uint32_t *)(t) + (t)->hdr.size)) -+#define byte_size(t) ((t)->hdr.size << 2) -+#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type) + 3) >> 2) -+ - int zImage_arm_probe(const char *buf, off_t len) - { - /* -@@ -14,21 +86,194 @@ int zImage_arm_probe(const char *buf, of - */ - return 0; - } -+ - void zImage_arm_usage(void) - { -+ printf( " --command-line=STRING Set the kernel command line to STRING.\n" -+ " --append=STRING Set the kernel command line to STRING.\n" -+ " --initrd=FILE Use FILE as the kernel's initial ramdisk.\n" -+ " --ramdisk=FILE Use FILE as the kernel's initial ramdisk.\n" -+ ); - } --int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, -+ -+static -+struct tag * atag_read_tags(void) -+{ -+ static unsigned long buf[BOOT_PARAMS_SIZE]; -+ const char fn[]= "/proc/atags"; -+ FILE *fp; -+ fp = fopen(fn, "r"); -+ if (!fp) { -+ fprintf(stderr, "Cannot open %s: %s\n", -+ fn, strerror(errno)); -+ return NULL; -+ } -+ -+ fread(buf, sizeof(buf[1]), BOOT_PARAMS_SIZE, fp); -+ if (ferror(fp)) { -+ fprintf(stderr, "Cannot read %s: %s\n", -+ fn, strerror(errno)); -+ fclose(fp); -+ return NULL; -+ } -+ -+ fclose(fp); -+ return (struct tag *) buf; -+} -+ -+ -+static -+int atag_arm_load(struct kexec_info *info, unsigned long base, -+ const char *command_line, off_t command_line_len, -+ const char *initrd, off_t initrd_len) -+{ -+ struct tag *saved_tags = atag_read_tags(); -+ char *buf; -+ off_t len; -+ struct tag *params; -+ uint32_t *initrd_start; -+ -+ buf = xmalloc(getpagesize()); -+ if (!buf) { -+ fprintf(stderr, "Compiling ATAGs: out of memory\n"); -+ return -1; -+ } -+ -+ memset(buf, 0xff, getpagesize()); -+ params = (struct tag *)buf; -+ -+ if (saved_tags) { -+ // Copy tags -+ saved_tags = (struct tag *) saved_tags; -+ while(byte_size(saved_tags)) { -+ switch (saved_tags->hdr.tag) { -+ case ATAG_INITRD: -+ case ATAG_INITRD2: -+ case ATAG_CMDLINE: -+ case ATAG_NONE: -+ // skip these tags -+ break; -+ default: -+ // copy all other tags -+ memcpy(params, saved_tags, byte_size(saved_tags)); -+ params = tag_next(params); -+ } -+ saved_tags = tag_next(saved_tags); -+ } -+ } else { -+ params->hdr.size = 2; -+ params->hdr.tag = ATAG_CORE; -+ params = tag_next(params); -+ } -+ -+ if (initrd) { -+ params->hdr.size = tag_size(tag_initrd); -+ params->hdr.tag = ATAG_INITRD2; -+ initrd_start = ¶ms->u.initrd.start; -+ params->u.initrd.size = initrd_len; -+ params = tag_next(params); -+ } -+ -+ if (command_line) { -+ params->hdr.size = (sizeof(struct tag_header) + command_line_len + 3) >> 2; -+ params->hdr.tag = ATAG_CMDLINE; -+ memcpy(params->u.cmdline.cmdline, command_line, -+ command_line_len); -+ params->u.cmdline.cmdline[command_line_len - 1] = '\0'; -+ params = tag_next(params); -+ } -+ -+ params->hdr.size = 0; -+ params->hdr.tag = ATAG_NONE; -+ -+ len = ((char *)params - buf) + sizeof(struct tag_header); -+ -+ add_segment(info, buf, len, base, len); -+ -+ if (initrd) { -+ struct memory_range *range; -+ int ranges; -+ get_memory_ranges(&range, &ranges); -+ *initrd_start = locate_hole(info, initrd_len, getpagesize(), range[0].start + 0x800000, ULONG_MAX, INT_MAX); -+ if (*initrd_start == ULONG_MAX) -+ return -1; -+ add_segment(info, initrd, initrd_len, *initrd_start, initrd_len); -+ } -+ -+ return 0; -+} -+ -+int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, - struct kexec_info *info) - { - unsigned long base; -- unsigned int offset = 0x8000; /* 32k offset from memory start */ -+ unsigned int atag_offset = 0x1000; /* 4k offset from memory start */ -+ unsigned int offset = 0x8000; /* 32k offset from memory start */ -+ const char *command_line; -+ off_t command_line_len; -+ const char *ramdisk; -+ char *ramdisk_buf; -+ off_t ramdisk_length; -+ int opt; -+#define OPT_APPEND 'a' -+#define OPT_RAMDISK 'r' -+ static const struct option options[] = { -+ KEXEC_ARCH_OPTIONS -+ { "command-line", 1, 0, OPT_APPEND }, -+ { "append", 1, 0, OPT_APPEND }, -+ { "initrd", 1, 0, OPT_RAMDISK }, -+ { "ramdisk", 1, 0, OPT_RAMDISK }, -+ { 0, 0, 0, 0 }, -+ }; -+ static const char short_options[] = KEXEC_ARCH_OPT_STR "a:r:"; -+ -+ /* -+ * Parse the command line arguments -+ */ -+ command_line = 0; -+ command_line_len = 0; -+ ramdisk = 0; -+ ramdisk_buf = 0; -+ ramdisk_length = 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 '?': -+ usage(); -+ return -1; -+ case OPT_APPEND: -+ command_line = optarg; -+ break; -+ case OPT_RAMDISK: -+ ramdisk = optarg; -+ break; -+ } -+ } -+ if (command_line) { -+ command_line_len = strlen(command_line) + 1; -+ if (command_line_len > COMMAND_LINE_SIZE) -+ command_line_len = COMMAND_LINE_SIZE; -+ } -+ if (ramdisk) { -+ ramdisk_buf = slurp_file(ramdisk, &ramdisk_length); -+ } -+ - base = locate_hole(info,len+offset,0,0,ULONG_MAX,INT_MAX); - if (base == ULONG_MAX) -- { - return -1; -- } -- base += offset; -- add_segment(info,buf,len,base,len); -- info->entry = (void*)base; -+ -+ if (atag_arm_load(info, base + atag_offset, -+ command_line, command_line_len, -+ ramdisk_buf, ramdisk_length) == -1) -+ return -1; -+ -+ add_segment(info, buf, len, base + offset, len); -+ -+ info->entry = (void*)base + offset; -+ - return 0; - } |