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/*
* kexec-m68k.c - kexec for m68k
*
* Copyright (C) 2013 Geert Uytterhoeven
*
* This source code is licensed under the GNU General Public License,
* Version 2. See the file COPYING for more details.
*/
#include <stddef.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <getopt.h>
#include "../../kexec.h"
#include "../../kexec-syscall.h"
#include "kexec-m68k.h"
#include "bootinfo.h"
#include <arch/options.h>
static unsigned long m68k_memoffset;
/* Return a sorted list of memory ranges. */
int get_memory_ranges(struct memory_range **range, int *ranges,
unsigned long kexec_flags)
{
bootinfo_load();
*ranges = bootinfo_get_memory_ranges(range);
m68k_memoffset = (*range)[0].start;
return 0;
}
struct file_type file_type[] = {
{"elf-m68k", elf_m68k_probe, elf_m68k_load, elf_m68k_usage},
};
int file_types = sizeof(file_type) / sizeof(file_type[0]);
void arch_usage(void)
{
}
int arch_process_options(int argc, char **argv)
{
static const struct option options[] = {
KEXEC_ALL_OPTIONS
{ "bootinfo", 1, NULL, OPT_BOOTINFO },
{ 0, 0, NULL, 0 },
};
static const char short_options[] = KEXEC_ALL_OPT_STR;
int opt;
opterr = 0; /* Don't complain about unrecognized options here */
while ((opt = getopt_long(argc, argv, short_options, options, 0)) !=
-1) {
switch (opt) {
default:
break;
case OPT_BOOTINFO:
bootinfo_file = optarg;
break;
}
}
/* Reset getopt for the next pass; called in other source modules */
opterr = 1;
optind = 1;
return 0;
}
const struct arch_map_entry arches[] = {
{ "m68k", KEXEC_ARCH_68K },
{ NULL, 0 },
};
int arch_compat_trampoline(struct kexec_info *UNUSED(info))
{
return 0;
}
void arch_update_purgatory(struct kexec_info *UNUSED(info))
{
}
int is_crashkernel_mem_reserved(void)
{
return 0;
}
int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
{
/* Crash kernel region size is not exposed by the system */
return -1;
}
unsigned long virt_to_phys(unsigned long addr)
{
return addr + m68k_memoffset;
}
/*
* add_segment() should convert base to a physical address on m68k,
* while the default is just to work with base as is */
void add_segment(struct kexec_info *info, const void *buf, size_t bufsz,
unsigned long base, size_t memsz)
{
add_segment_phys_virt(info, buf, bufsz, base, memsz, 1);
}
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