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authorKai Kang <kai.kang@windriver.com>2014-12-18 16:51:10 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-12-22 10:53:55 +0000
commit342ef3196bd754866bbdb54d538804ab71926553 (patch)
tree1eef8dc528a586e1db43be26ee06f111401eb590
parent2f020b53bdb8c262e432bc4df35101fa990c460c (diff)
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kexec-tools: add aarch64 support
Add patch from https://fedorapeople.org/~hrw/aarch64/for-fedora/kexec-aarch64.patch to add aarch64 support for kexec-tools. Signed-off-by: Kai Kang <kai.kang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/recipes-kernel/kexec/kexec-tools.inc2
-rw-r--r--meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch801
-rw-r--r--meta/recipes-kernel/kexec/kexec-tools_2.0.8.bb4
3 files changed, 805 insertions, 2 deletions
diff --git a/meta/recipes-kernel/kexec/kexec-tools.inc b/meta/recipes-kernel/kexec/kexec-tools.inc
index 7e3b7adfc7..312424a88f 100644
--- a/meta/recipes-kernel/kexec/kexec-tools.inc
+++ b/meta/recipes-kernel/kexec/kexec-tools.inc
@@ -12,7 +12,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/kernel/kexec/kexec-tools-${PV}.tar.gz
inherit autotools-brokensep
-COMPATIBLE_HOST = '(x86_64.*|i.86.*|arm.*|powerpc.*|mips.*)-(linux|freebsd.*)'
+COMPATIBLE_HOST = '(x86_64.*|i.86.*|arm.*|aarch64.*|powerpc.*|mips.*)-(linux|freebsd.*)'
INSANE_SKIP_${PN} = "arch"
diff --git a/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch b/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch
new file mode 100644
index 0000000000..b697a54b90
--- /dev/null
+++ b/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch
@@ -0,0 +1,801 @@
+From: Geoff Levand <geoff@infradead.org>
+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 <geoff@infradead.org>
+
+Get patch from:
+https://fedorapeople.org/~hrw/aarch64/for-fedora/kexec-aarch64.patch
+
+Upstream-Status: Pending
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+---
+
+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 <errno.h>
++#include <stddef.h>
++
++//#include <linux/kexec.h>
++
++#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 <linux/kexec.h> FIXME: this is broken */
++#include <sys/types.h>
++
++#include "../../kexec.h"
++
++#define KEXEC_SEGMENT_MAX 16 /* FIXME: this should come from <linux/kexec.h> */
++
++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 <elf.h>
++#include <getopt.h>
++
++#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 $target_cpu in
+ powerpc64 )
+ ARCH="ppc64"
+ ;;
++ aarch64 )
++ ARCH="arm64"
++ ;;
+ arm* )
+ ARCH="arm"
+ ;;
diff --git a/meta/recipes-kernel/kexec/kexec-tools_2.0.8.bb b/meta/recipes-kernel/kexec/kexec-tools_2.0.8.bb
index 559bc6a25d..c478732300 100644
--- a/meta/recipes-kernel/kexec/kexec-tools_2.0.8.bb
+++ b/meta/recipes-kernel/kexec/kexec-tools_2.0.8.bb
@@ -2,7 +2,9 @@ require kexec-tools.inc
export LDFLAGS = "-L${STAGING_LIBDIR}"
EXTRA_OECONF = " --with-zlib=yes"
-SRC_URI += "file://kexec-tools-Refine-kdump-device_tree-sort.patch"
+SRC_URI += "file://kexec-tools-Refine-kdump-device_tree-sort.patch \
+ file://kexec-aarch64.patch \
+ "
SRC_URI[md5sum] = "45bd2bc676ae202579e4c185563126af"
SRC_URI[sha256sum] = "95083c707577154a2241c5af0985f1eb3412d1ba208ef91813e9158b0a901179"