kexec-tools: remove unused patch file

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 0 insertions, 801 deletions

diff --git a/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch b/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch
deleted file mode 100644
index b03f5825760..00000000000
--- a/meta/recipes-kernel/kexec/kexec-tools/kexec-aarch64.patch
+++ /dev/null
@@ -1,801 +0,0 @@
-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>
----
-
----
- configure.ac                            |    3 
- kexec/Makefile                          |    1 
- kexec/arch/arm64/Makefile               |   13 +
- kexec/arch/arm64/crashdump-arm64.c      |  305 ++++++++++++++++++++++++++++++++
- kexec/arch/arm64/include/arch/options.h |   26 ++
- kexec/arch/arm64/kexec-arm64.c          |  177 ++++++++++++++++++
- kexec/arch/arm64/kexec-arm64.h          |   20 ++
- kexec/arch/arm64/kexec-elf-arm64.c      |  114 +++++++++++
- kexec/kexec-syscall.h                   |    9 
- kexec/kexec.c                           |    2 
- purgatory/arch/arm64/Makefile           |    7 
- 11 files changed, 675 insertions(+), 2 deletions(-)
-
-Index: kexec-tools-2.0.10/configure.ac
-===================================================================
---- kexec-tools-2.0.10.orig/configure.ac
-+++ kexec-tools-2.0.10/configure.ac
-@@ -36,6 +36,9 @@ case $target_cpu in
- 		ARCH="ppc64"
- 		SUBARCH="LE"
- 		;;
-+	aarch64* )
-+		ARCH="arm64"
-+		;;
- 	arm* )
- 		ARCH="arm"
- 		;;
-Index: kexec-tools-2.0.10/kexec/Makefile
-===================================================================
---- kexec-tools-2.0.10.orig/kexec/Makefile
-+++ kexec-tools-2.0.10/kexec/Makefile
-@@ -71,6 +71,7 @@ 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/m68k/Makefile
-Index: kexec-tools-2.0.10/kexec/arch/arm64/Makefile
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/arch/arm64/crashdump-arm64.c
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/arch/arm64/include/arch/options.h
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/arch/arm64/kexec-arm64.c
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/arch/arm64/kexec-arm64.h
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/arch/arm64/kexec-elf-arm64.c
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/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-2.0.10/kexec/kexec-syscall.h
-===================================================================
---- kexec-tools-2.0.10.orig/kexec/kexec-syscall.h
-+++ kexec-tools-2.0.10/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
-@@ -108,6 +108,8 @@ static inline long kexec_file_load(int k
- #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)
-@@ -153,5 +155,8 @@ static inline long kexec_file_load(int k
- #ifdef __m68k__
- #define KEXEC_ARCH_NATIVE	KEXEC_ARCH_68K
- #endif
-+#if defined(__arm64__)
-+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_ARM64
-+#endif
- 
- #endif /* KEXEC_SYSCALL_H */
-Index: kexec-tools-2.0.10/kexec/kexec.c
-===================================================================
---- kexec-tools-2.0.10.orig/kexec/kexec.c
-+++ kexec-tools-2.0.10/kexec/kexec.c
-@@ -664,6 +664,8 @@ static int my_load(const char *type, int
- 	memset(&info, 0, sizeof(info));
- 	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-2.0.10/purgatory/arch/arm64/Makefile
-===================================================================
---- /dev/null
-+++ kexec-tools-2.0.10/purgatory/arch/arm64/Makefile
-@@ -0,0 +1,7 @@
-+#
-+# Purgatory arm64
-+#
-+
-+arm64_PURGATORY_SRCS =
-+
-+dist += purgatory/arch/arm64/Makefile $(arm64_PURGATORY_SRCS)