From 17b0347dceb0b5ca9b50359c0a06dd121d67d455 Mon Sep 17 00:00:00 2001 From: Peter Robinson Date: Thu, 27 Mar 2014 14:38:41 +0000 Subject: [PATCH] Revert "actually commit kexec-aarch64.patch patch" This reverts commit bc46b33f03c30e40d873a785a55f40beb0e33e7d. --- kexec-aarch64.patch | 794 -------------------------------------------- 1 file changed, 794 deletions(-) delete mode 100644 kexec-aarch64.patch diff --git a/kexec-aarch64.patch b/kexec-aarch64.patch deleted file mode 100644 index 6c60fcd..0000000 --- a/kexec-aarch64.patch +++ /dev/null @@ -1,794 +0,0 @@ -From: Geoff Levand -Date: Mon, 15 Jul 2013 23:32:36 +0000 (-0700) -Subject: Add arm64 support -X-Git-Url: https://git.linaro.org/gitweb?p=people%2Fgeoff%2Fkexec-tools.git;a=commitdiff_plain;h=fbf5ac6c2c70ec0f6da2b9ff563e573999752c01 - -Add arm64 support - -Signed-off-by: Geoff Levand ---- - -Index: kexec-tools-2.0.4/configure.ac -=================================================================== ---- kexec-tools-2.0.4.orig/configure.ac -+++ kexec-tools-2.0.4/configure.ac -@@ -30,6 +30,9 @@ case $target_cpu in - powerpc64 ) - ARCH="ppc64" - ;; -+ aarch64 ) -+ ARCH="arm64" -+ ;; - arm* ) - ARCH="arm" - ;; -Index: kexec-tools-2.0.4/kexec/Makefile -=================================================================== ---- kexec-tools-2.0.4.orig/kexec/Makefile -+++ kexec-tools-2.0.4/kexec/Makefile -@@ -70,6 +70,7 @@ KEXEC_SRCS += $($(ARCH)_FS2DT) - - include $(srcdir)/kexec/arch/alpha/Makefile - include $(srcdir)/kexec/arch/arm/Makefile -+include $(srcdir)/kexec/arch/arm64/Makefile - include $(srcdir)/kexec/arch/i386/Makefile - include $(srcdir)/kexec/arch/ia64/Makefile - include $(srcdir)/kexec/arch/mips/Makefile -Index: kexec-tools-2.0.4/kexec/arch/arm64/Makefile -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/Makefile -@@ -0,0 +1,13 @@ -+ -+arm64_KEXEC_SRCS += \ -+ kexec/arch/arm64/kexec-arm64.c \ -+ kexec/arch/arm64/kexec-elf-arm64.c \ -+ kexec/arch/arm64/crashdump-arm64.c -+ -+arm64_ARCH_REUSE_INITRD = -+arm64_ADD_SEGMENT = -+arm64_VIRT_TO_PHYS = -+ -+dist += $(arm64_KEXEC_SRCS) \ -+ kexec/arch/arm64/Makefile \ -+ kexec/arch/arm64/kexec-arm64.h -Index: kexec-tools-2.0.4/kexec/arch/arm64/crashdump-arm64.c -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/crashdump-arm64.c -@@ -0,0 +1,305 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation (version 2 of the License). -+ */ -+ -+#include "../../kexec.h" -+#include "../../kexec-elf.h" -+#include "../../crashdump.h" -+ -+int is_crashkernel_mem_reserved(void) -+{ -+ return 0; -+} -+ -+#if 0 -+/* -+ * Used to save various memory ranges/regions needed for the captured -+ * kernel to boot. (lime memmap= option in other archs) -+ */ -+static struct memory_range crash_memory_ranges[CRASH_MAX_MEMORY_RANGES]; -+struct memory_ranges usablemem_rgns = { -+ .size = 0, -+ .ranges = crash_memory_ranges, -+}; -+ -+/* memory range reserved for crashkernel */ -+static struct memory_range crash_reserved_mem; -+ -+static struct crash_elf_info elf_info = { -+ .class = ELFCLASS32, -+ .data = ELFDATA2LSB, -+ .machine = EM_ARM, -+ .page_offset = PAGE_OFFSET, -+}; -+ -+unsigned long phys_offset; -+ -+/** -+ * crash_range_callback() - callback called for each iomem region -+ * @data: not used -+ * @nr: not used -+ * @str: name of the memory region -+ * @base: start address of the memory region -+ * @length: size of the memory region -+ * -+ * This function is called once for each memory region found in /proc/iomem. It -+ * locates system RAM and crashkernel reserved memory and places these to -+ * variables: @crash_memory_ranges and @crash_reserved_mem. Number of memory -+ * regions is placed in @crash_memory_nr_ranges. -+ */ -+static int crash_range_callback(void *UNUSED(data), int UNUSED(nr), -+ char *str, unsigned long base, -+ unsigned long length) -+{ -+ struct memory_range *range; -+ -+ if (usablemem_rgns.size >= CRASH_MAX_MEMORY_RANGES) -+ return 1; -+ -+ range = usablemem_rgns.ranges + usablemem_rgns.size; -+ -+ if (strncmp(str, "System RAM\n", 11) == 0) { -+ range->start = base; -+ range->end = base + length - 1; -+ range->type = RANGE_RAM; -+ usablemem_rgns.size++; -+ } else if (strncmp(str, "Crash kernel\n", 13) == 0) { -+ crash_reserved_mem.start = base; -+ crash_reserved_mem.end = base + length - 1; -+ crash_reserved_mem.type = RANGE_RAM; -+ } -+ -+ return 0; -+} -+ -+/** -+ * crash_exclude_range() - excludes memory region reserved for crashkernel -+ * -+ * Function locates where crashkernel reserved memory is and removes that region -+ * from the available memory regions. -+ */ -+static void crash_exclude_range(void) -+{ -+ const struct memory_range *range = &crash_reserved_mem; -+ int i; -+ -+ for (i = 0; i < usablemem_rgns.size; i++) { -+ struct memory_range *r = usablemem_rgns.ranges + i; -+ -+ /* -+ * We assume that crash area is fully contained in -+ * some larger memory area. -+ */ -+ if (r->start <= range->start && r->end >= range->end) { -+ struct memory_range *new; -+ /* -+ * Let's split this area into 2 smaller ones and -+ * remove excluded range from between. First create -+ * new entry for the remaining area. -+ */ -+ new = usablemem_rgns.ranges + usablemem_rgns.size; -+ new->start = range->end + 1; -+ new->end = r->end; -+ usablemem_rgns.size++; -+ /* -+ * Next update this area to end before excluded range. -+ */ -+ r->end = range->start - 1; -+ break; -+ } -+ } -+} -+ -+static int range_cmp(const void *a1, const void *a2) -+{ -+ const struct memory_range *r1 = a1; -+ const struct memory_range *r2 = a2; -+ -+ if (r1->start > r2->start) -+ return 1; -+ if (r1->start < r2->start) -+ return -1; -+ -+ return 0; -+} -+ -+/** -+ * crash_get_memory_ranges() - read system physical memory -+ * -+ * Function reads through system physical memory and stores found memory regions -+ * in @crash_memory_ranges. Number of memory regions found is placed in -+ * @crash_memory_nr_ranges. Regions are sorted in ascending order. -+ * -+ * Returns %0 in case of success and %-1 otherwise (errno is set). -+ */ -+static int crash_get_memory_ranges(void) -+{ -+ /* -+ * First read all memory regions that can be considered as -+ * system memory including the crash area. -+ */ -+ kexec_iomem_for_each_line(NULL, crash_range_callback, NULL); -+ -+ if (usablemem_rgns.size < 1) { -+ errno = EINVAL; -+ return -1; -+ } -+ -+ /* -+ * Exclude memory reserved for crashkernel (this may result a split memory -+ * region). -+ */ -+ crash_exclude_range(); -+ -+ /* -+ * Make sure that the memory regions are sorted. -+ */ -+ qsort(usablemem_rgns.ranges, usablemem_rgns.size, -+ sizeof(*usablemem_rgns.ranges), range_cmp); -+ -+ return 0; -+} -+ -+/** -+ * cmdline_add_elfcorehdr() - adds elfcorehdr= to @cmdline -+ * @cmdline: buffer where parameter is placed -+ * @elfcorehdr: physical address of elfcorehdr -+ * -+ * Function appends 'elfcorehdr=start' at the end of the command line given in -+ * @cmdline. Note that @cmdline must be at least %COMMAND_LINE_SIZE bytes long -+ * (inclunding %NUL). -+ */ -+static void cmdline_add_elfcorehdr(char *cmdline, unsigned long elfcorehdr) -+{ -+ char buf[COMMAND_LINE_SIZE]; -+ int buflen; -+ -+ buflen = snprintf(buf, sizeof(buf), "%s elfcorehdr=%#lx", -+ cmdline, elfcorehdr); -+ if (buflen < 0) -+ die("Failed to construct elfcorehdr= command line parameter\n"); -+ if (buflen >= sizeof(buf)) -+ die("Command line overflow\n"); -+ -+ (void) strncpy(cmdline, buf, COMMAND_LINE_SIZE); -+ cmdline[COMMAND_LINE_SIZE - 1] = '\0'; -+} -+ -+/** -+ * cmdline_add_mem() - adds mem= parameter to kernel command line -+ * @cmdline: buffer where parameter is placed -+ * @size: size of the kernel reserved memory (in bytes) -+ * -+ * This function appends 'mem=size' at the end of the command line given in -+ * @cmdline. Note that @cmdline must be at least %COMMAND_LINE_SIZE bytes long -+ * (including %NUL). -+ */ -+static void cmdline_add_mem(char *cmdline, unsigned long size) -+{ -+ char buf[COMMAND_LINE_SIZE]; -+ int buflen; -+ -+ buflen = snprintf(buf, sizeof(buf), "%s mem=%ldK", cmdline, size >> 10); -+ if (buflen < 0) -+ die("Failed to construct mem= command line parameter\n"); -+ if (buflen >= sizeof(buf)) -+ die("Command line overflow\n"); -+ -+ (void) strncpy(cmdline, buf, COMMAND_LINE_SIZE); -+ cmdline[COMMAND_LINE_SIZE - 1] = '\0'; -+} -+ -+static unsigned long long range_size(const struct memory_range *r) -+{ -+ return r->end - r->start + 1; -+} -+ -+static void dump_memory_ranges(void) -+{ -+ int i; -+ -+ if (!kexec_debug) -+ return; -+ -+ dbgprintf("crashkernel: [%#llx - %#llx] (%ldM)\n", -+ crash_reserved_mem.start, crash_reserved_mem.end, -+ (unsigned long)range_size(&crash_reserved_mem) >> 20); -+ -+ for (i = 0; i < usablemem_rgns.size; i++) { -+ struct memory_range *r = usablemem_rgns.ranges + i; -+ dbgprintf("memory range: [%#llx - %#llx] (%ldM)\n", -+ r->start, r->end, (unsigned long)range_size(r) >> 20); -+ } -+} -+ -+/** -+ * load_crashdump_segments() - loads additional segments needed for kdump -+ * @info: kexec info structure -+ * @mod_cmdline: kernel command line -+ * -+ * This function loads additional segments which are needed for the dump capture -+ * kernel. It also updates kernel command line passed in @mod_cmdline to have -+ * right parameters for the dump capture kernel. -+ * -+ * Return %0 in case of success and %-1 in case of error. -+ */ -+int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline) -+{ -+ unsigned long elfcorehdr; -+ unsigned long bufsz; -+ void *buf; -+ int err; -+ -+ /* -+ * First fetch all the memory (RAM) ranges that we are going to pass to -+ * the crashdump kernel during panic. -+ */ -+ err = crash_get_memory_ranges(); -+ if (err) -+ return err; -+ -+ /* -+ * Now that we have memory regions sorted, we can use first memory -+ * region as PHYS_OFFSET. -+ */ -+ phys_offset = usablemem_rgns.ranges->start; -+ dbgprintf("phys_offset: %#lx\n", phys_offset); -+ -+ err = crash_create_elf32_headers(info, &elf_info, -+ usablemem_rgns.ranges, -+ usablemem_rgns.size, &buf, &bufsz, -+ ELF_CORE_HEADER_ALIGN); -+ if (err) -+ return err; -+ -+ /* -+ * We allocate ELF core header from the end of the memory area reserved -+ * for the crashkernel. We align the header to SECTION_SIZE (which is -+ * 1MB) so that available memory passed in kernel command line will be -+ * aligned to 1MB. This is because kernel create_mapping() wants memory -+ * regions to be aligned to SECTION_SIZE. -+ */ -+ elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << 20, -+ crash_reserved_mem.start, -+ crash_reserved_mem.end, -1, 0); -+ -+ dbgprintf("elfcorehdr: %#lx\n", elfcorehdr); -+ cmdline_add_elfcorehdr(mod_cmdline, elfcorehdr); -+ -+ /* -+ * Add 'mem=size' parameter to dump capture kernel command line. This -+ * prevents the dump capture kernel from using any other memory regions -+ * which belong to the primary kernel. -+ */ -+ cmdline_add_mem(mod_cmdline, elfcorehdr - crash_reserved_mem.start); -+ -+ dump_memory_ranges(); -+ dbgprintf("kernel command line: \"%s\"\n", mod_cmdline); -+ -+ return 0; -+} -+ -+#endif -+ -Index: kexec-tools-2.0.4/kexec/arch/arm64/include/arch/options.h -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/include/arch/options.h -@@ -0,0 +1,26 @@ -+#ifndef KEXEC_ARCH_ARM64_OPTIONS_H -+#define KEXEC_ARCH_ARM64_OPTIONS_H -+ -+//#define OPT_ARCH_MAX ((OPT_MAX)+0) -+ -+#define OPT_APPEND ((OPT_MAX)+0) -+#define OPT_RAMDISK ((OPT_MAX)+1) -+#define OPT_DTB ((OPT_MAX)+2) -+ -+#define OPT_ARCH_MAX ((OPT_MAX)+3) -+ -+ -+#define KEXEC_ARCH_OPTIONS \ -+ KEXEC_OPTIONS \ -+ { "append", 1, NULL, OPT_APPEND }, \ -+ { "command-line", 1, NULL, OPT_APPEND }, \ -+ { "dtb", 1, NULL, OPT_DTB }, \ -+ { "initrd", 1, NULL, OPT_RAMDISK }, \ -+ { "ramdisk", 1, NULL, OPT_RAMDISK }, \ -+ -+#define KEXEC_ARCH_OPT_STR KEXEC_OPT_STR /* Only accept long arch options. */ -+ -+#define KEXEC_ALL_OPTIONS KEXEC_ARCH_OPTIONS -+#define KEXEC_ALL_OPT_STR KEXEC_ARCH_OPT_STR -+ -+#endif /* KEXEC_ARCH_ARM64_OPTIONS_H */ -Index: kexec-tools-2.0.4/kexec/arch/arm64/kexec-arm64.c -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/kexec-arm64.c -@@ -0,0 +1,177 @@ -+/* -+ * ARM64 kexec support. -+ */ -+ -+#define _GNU_SOURCE -+ -+#include -+#include -+ -+//#include -+ -+#include "../../kexec.h" -+#include "../../kexec-syscall.h" -+#include "kexec-arm64.h" -+ -+ -+void arch_usage(void) -+{ -+ fprintf(stderr, "%s:%d: ->\n", __func__, __LINE__); -+ -+ printf( -+" --append=STRING Set the kernel command line to STRING.\n" -+" --command-line=STRING Set the kernel command line to STRING.\n" -+" --dtb=FILE Use FILE as the device tree blob.\n" -+" --initrd=FILE Use FILE as the kernel initial ramdisk.\n" -+" --ramdisk=FILE Use FILE as the kernel initial ramdisk.\n"); -+ -+ fprintf(stderr, "%s:%d: <-\n", __func__, __LINE__); -+} -+ -+int arch_process_options(int UNUSED(argc), char **UNUSED(argv)) -+{ -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+ return 0; -+} -+ -+const struct arch_map_entry arches[] = { -+ { "aarch64", KEXEC_ARCH_ARM64 }, -+ { NULL, 0 }, -+}; -+ -+void arch_update_purgatory(struct kexec_info *UNUSED(info)) -+{ -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+} -+ -+unsigned long virt_to_phys(unsigned long addr) -+{ -+ fprintf(stderr, "%s:%d: %016lx -> %016lx\n", __func__, __LINE__, addr, -+ addr + 0x080000000UL); -+ return addr + 0x080000000UL; -+} -+ -+void add_segment(struct kexec_info *info, const void *buf, size_t bufsz, -+ unsigned long base, size_t memsz) -+{ -+ fprintf(stderr, "%s:%d: ->\n", __func__, __LINE__); -+ add_segment_phys_virt(info, buf, bufsz, base, memsz, 1); -+ fprintf(stderr, "%s:%d: <-\n", __func__, __LINE__); -+} -+ -+static int get_memory_ranges_1(struct memory_range **range, int *ranges, -+ unsigned long kexec_flags) -+{ -+ static struct memory_range memory_range[KEXEC_SEGMENT_MAX]; -+ const char *iomem; -+ int range_count = 0; -+ char line[MAX_LINE]; -+ FILE *fp; -+ -+ iomem = proc_iomem(); -+ fp = fopen(iomem, "r"); -+ -+ if (!fp) { -+ fprintf(stderr, "Cannot open %s: %s\n", -+ iomem, strerror(errno)); -+ return -1; -+ } -+ -+ dbgprintf("memory ranges:\n"); -+ -+ while(fgets(line, sizeof(line), fp) != 0) { -+ struct memory_range r; -+ char *str; -+ int consumed; -+ -+ if (range_count >= KEXEC_SEGMENT_MAX) -+ break; -+ -+ if (sscanf(line, "%Lx-%Lx : %n", &r.start, &r.end, &consumed) -+ != 2) -+ continue; -+ -+ str = line + consumed; -+ r.end++; -+ -+ if (memcmp(str, "System RAM\n", 11)) { -+ dbgprintf(" Skip: %016Lx - %016Lx : %s", r.start, r.end, -+ str); -+ continue; -+ } -+ -+ r.type = RANGE_RAM; -+ memory_range[range_count] = r; -+ range_count++; -+ -+ dbgprintf(" Add: %016Lx - %016Lx : %s", r.start, r.end, str); -+ } -+ -+ fclose(fp); -+ *range = memory_range; -+ *ranges = range_count; -+ -+ return 0; -+} -+ -+static int get_memory_ranges_2(struct memory_range **range, int *ranges, -+ unsigned long UNUSED(kexec_flags)) -+{ -+ static struct memory_range memory_range[2]; -+ -+ memory_range[0].start = 0x080000000; -+ memory_range[0].end = 0x100000000; -+ memory_range[0].type = RANGE_RAM; -+ -+ memory_range[1].start = 0x900000000; -+ memory_range[1].end = 0x880000000; -+ memory_range[1].type = RANGE_RAM; -+ -+ *range = memory_range; -+ *ranges = sizeof(memory_range) / sizeof(memory_range[0]); -+ -+ return 0; -+} -+ -+int get_memory_ranges(struct memory_range **range, int *ranges, -+ unsigned long kexec_flags) -+{ -+ /* FIXME: Should get this info from device tree. */ -+ -+ return get_memory_ranges_1(range, ranges, kexec_flags); -+} -+ -+struct file_type file_type[] = { -+ { "elf-arm64", elf_arm64_probe, elf_arm64_load, elf_arm64_usage }, -+}; -+ -+int file_types = sizeof(file_type) / sizeof(file_type[0]); -+ -+int arch_compat_trampoline(struct kexec_info *info) -+{ -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+ return 0; -+} -+ -+void arch_reuse_initrd(void) -+{ -+} -+ -+int machine_verify_elf_rel(struct mem_ehdr *ehdr) -+{ -+ (void)ehdr; -+ -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+ return 0; -+} -+ -+void machine_apply_elf_rel(struct mem_ehdr *ehdr, unsigned long r_type, -+ void *location, unsigned long address, unsigned long value) -+{ -+ (void)ehdr; -+ (void)r_type; -+ (void)location; -+ (void)address; -+ (void)value; -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+} -Index: kexec-tools-2.0.4/kexec/arch/arm64/kexec-arm64.h -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/kexec-arm64.h -@@ -0,0 +1,20 @@ -+/* -+ * ARM64 kexec support. -+ */ -+ -+#if !defined(KEXEC_ARM64_H) -+#define KEXEC_ARM64_H -+ -+/* #include FIXME: this is broken */ -+#include -+ -+#include "../../kexec.h" -+ -+#define KEXEC_SEGMENT_MAX 16 /* FIXME: this should come from */ -+ -+int elf_arm64_probe(const char *buf, off_t len); -+int elf_arm64_load(int argc, char **argv, const char *buf, off_t len, -+ struct kexec_info *info); -+void elf_arm64_usage(void); -+ -+#endif -\ No newline at end of file -Index: kexec-tools-2.0.4/kexec/arch/arm64/kexec-elf-arm64.c -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/kexec/arch/arm64/kexec-elf-arm64.c -@@ -0,0 +1,114 @@ -+/* -+ * ARM64 kexec support. -+ */ -+ -+#define _GNU_SOURCE -+ -+#include -+#include -+ -+#include "../../kexec-syscall.h" -+ -+#include "kexec-arm64.h" -+#include "arch/options.h" -+ -+#if !defined(EM_AARCH64) -+# define EM_AARCH64 183 -+#endif -+ -+int elf_arm64_probe(const char *buf, off_t len) -+{ -+ int result; -+ struct mem_ehdr ehdr; -+ -+ fprintf(stderr, "%s:%d: ->\n", __func__, __LINE__); -+ -+ result = build_elf_exec_info(buf, len, &ehdr, 0); -+ -+ if (result < 0) { -+ dbgprintf("Not an ELF executable\n"); -+ goto out; -+ } -+ -+ if (ehdr.e_machine != EM_AARCH64) { -+ dbgprintf("Not an AARCH64 executable\n"); -+ result = -1; -+ goto out; -+ } -+ -+ result = 0; -+ -+out: -+ free_elf_info(&ehdr); -+ fprintf(stderr, "%s:%d: <-\n", __func__, __LINE__); -+ return result; -+} -+ -+int elf_arm64_load(int argc, char **argv, const char *buf, off_t len, -+ struct kexec_info *info) -+{ -+ static const struct option options[] = { -+ KEXEC_ARCH_OPTIONS -+ { 0 } -+ }; -+ static const char short_options[] = KEXEC_OPT_STR ""; -+ const char *command_line = NULL; -+ unsigned int command_line_len = 0; -+ const char *ramdisk = NULL; -+ const char *dtb = NULL; -+ int opt; -+ struct mem_ehdr ehdr; -+ int result; -+ -+ fprintf(stderr, "%s:%d: ->\n", __func__, __LINE__); -+ -+ while ((opt = getopt_long(argc, argv, short_options, options, 0)) -+ != -1) { -+ switch (opt) { -+ default: -+ if (opt < OPT_MAX) /* Ignore core options */ -+ break; -+ case OPT_APPEND: -+ command_line = optarg; -+ command_line_len = strlen(command_line) + 1; -+ break; -+ case OPT_RAMDISK: -+ ramdisk = optarg; -+ break; -+ case OPT_DTB: -+ dtb = optarg; -+ break; -+ } -+ } -+ -+ fprintf(stderr, "%s:%d: command_line: %s\n", __func__, __LINE__, command_line); -+ fprintf(stderr, "%s:%d: ramdisk: %s\n", __func__, __LINE__, ramdisk); -+ fprintf(stderr, "%s:%d: dtb: %s\n", __func__, __LINE__, dtb); -+ -+ if (info->kexec_flags & KEXEC_ON_CRASH) { -+ fprintf(stderr, "kexec: kdump not yet supported on arm64\n"); -+ return -1; -+ } -+ -+ result = build_elf_exec_info(buf, len, &ehdr, 0); -+ -+ if (result < 0) { -+ free_elf_info(&ehdr); -+ fprintf(stderr, "%s:%d: free_elf_info failed\n", __func__, -+ __LINE__); -+ return result; -+ } -+ -+ elf_exec_build_load(info, &ehdr, buf, len, 0); -+ -+ info->entry = (void*)0x80080000UL; // FIXME -+ -+ fprintf(stderr, "%s:%d: <-\n", __func__, __LINE__); -+ return 0; -+} -+ -+void elf_arm64_usage(void) -+{ -+ fprintf(stderr, "%s:%d: ->\n", __func__, __LINE__); -+ fprintf(stderr, "%s:%d: <-\n", __func__, __LINE__); -+} -Index: kexec-tools-2.0.4/kexec/kexec-syscall.h -=================================================================== ---- kexec-tools-2.0.4.orig/kexec/kexec-syscall.h -+++ kexec-tools-2.0.4/kexec/kexec-syscall.h -@@ -39,8 +39,8 @@ - #ifdef __s390__ - #define __NR_kexec_load 277 - #endif --#ifdef __arm__ --#define __NR_kexec_load __NR_SYSCALL_BASE + 347 -+#if defined(__arm__) || defined(__arm64__) -+#define __NR_kexec_load __NR_SYSCALL_BASE + 347 - #endif - #if defined(__mips__) - #define __NR_kexec_load 4311 -@@ -72,6 +72,8 @@ static inline long kexec_load(void *entr - #define KEXEC_ARCH_PPC64 (21 << 16) - #define KEXEC_ARCH_IA_64 (50 << 16) - #define KEXEC_ARCH_ARM (40 << 16) -+#define KEXEC_ARCH_ARM64 (183 << 16) -+/* #define KEXEC_ARCH_AARCH64 (183 << 16) */ - #define KEXEC_ARCH_S390 (22 << 16) - #define KEXEC_ARCH_SH (42 << 16) - #define KEXEC_ARCH_MIPS_LE (10 << 16) -@@ -114,5 +116,8 @@ static inline long kexec_load(void *entr - #if defined(__mips__) - #define KEXEC_ARCH_NATIVE KEXEC_ARCH_MIPS - #endif -+#if defined(__arm64__) -+#define KEXEC_ARCH_NATIVE KEXEC_ARCH_ARM64 -+#endif - - #endif /* KEXEC_SYSCALL_H */ -Index: kexec-tools-2.0.4/kexec/kexec.c -=================================================================== ---- kexec-tools-2.0.4.orig/kexec/kexec.c -+++ kexec-tools-2.0.4/kexec/kexec.c -@@ -659,6 +659,8 @@ static int my_load(const char *type, int - info.backup_start = 0; - info.kexec_flags = kexec_flags; - -+ fprintf(stderr, "%s:%d: do\n", __func__, __LINE__); -+ - result = 0; - if (argc - fileind <= 0) { - fprintf(stderr, "No kernel specified\n"); -Index: kexec-tools-2.0.4/purgatory/arch/arm64/Makefile -=================================================================== ---- /dev/null -+++ kexec-tools-2.0.4/purgatory/arch/arm64/Makefile -@@ -0,0 +1,7 @@ -+# -+# Purgatory arm64 -+# -+ -+arm64_PURGATORY_SRCS = -+ -+dist += purgatory/arch/arm64/Makefile $(arm64_PURGATORY_SRCS) -Index: kexec-tools-2.0.4/configure -=================================================================== ---- kexec-tools-2.0.4.orig/configure -+++ kexec-tools-2.0.4/configure -@@ -2256,6 +2256,9 @@ case $target_cpu in - powerpc64 ) - ARCH="ppc64" - ;; -+ aarch64 ) -+ ARCH="arm64" -+ ;; - arm* ) - ARCH="arm" - ;;