Index: kexec-tools-2.0.1/kexec/arch/mips/Makefile =================================================================== --- kexec-tools-2.0.1.orig/kexec/arch/mips/Makefile 2008-07-15 02:46:43.000000000 +0200 +++ kexec-tools-2.0.1/kexec/arch/mips/Makefile 2009-09-27 19:07:26.000000000 +0200 @@ -4,7 +4,7 @@ mips_KEXEC_SRCS = kexec/arch/mips/kexec-mips.c mips_KEXEC_SRCS += kexec/arch/mips/kexec-elf-mips.c mips_KEXEC_SRCS += kexec/arch/mips/kexec-elf-rel-mips.c -mips_KEXEC_SRCS += kexec/arch/mips/mips-setup-simple.S +mips_KEXEC_SRCS += kexec/arch/mips/crashdump-mips.c mips_ADD_BUFFER = mips_ADD_SEGMENT = Index: kexec-tools-2.0.1/kexec/arch/mips/crashdump-mips.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ kexec-tools-2.0.1/kexec/arch/mips/crashdump-mips.c 2009-09-27 19:07:26.000000000 +0200 @@ -0,0 +1,371 @@ +/* + * kexec: Linux boots Linux + * + * 2005 (C) IBM Corporation. + * 2008 (C) MontaVista Software, Inc. + * + * 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). + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include "../../kexec.h" +#include "../../kexec-elf.h" +#include "../../kexec-syscall.h" +#include "../../crashdump.h" +#include "kexec-mips.h" +#include "crashdump-mips.h" + +extern struct arch_options_t arch_options; + +/* Stores a sorted list of RAM memory ranges for which to create elf headers. + * A separate program header is created for backup region */ +static struct memory_range crash_memory_range[CRASH_MAX_MEMORY_RANGES]; + +/* Memory region reserved for storing panic kernel and other data. */ +static struct memory_range crash_reserved_mem; + +/* + * To store the memory size of the first kernel and this value will be + * passed to the second kernel as command line (savemaxmem=xM). + * The second kernel will be calculated saved_max_pfn based on this + * variable. + */ +unsigned long long saved_max_mem = 0; + +/* Removes crash reserve region from list of memory chunks for whom elf program + * headers have to be created. Assuming crash reserve region to be a single + * continuous area fully contained inside one of the memory chunks */ +static int exclude_crash_reserve_region(int *nr_ranges) +{ + int i, j, tidx = -1; + unsigned long long cstart, cend; + struct memory_range temp_region; + + /* Crash reserved region. */ + cstart = crash_reserved_mem.start; + cend = crash_reserved_mem.end; + + for (i = 0; i < (*nr_ranges); i++) { + unsigned long long mstart, mend; + mstart = crash_memory_range[i].start; + mend = crash_memory_range[i].end; + if (cstart < mend && cend > mstart) { + if (cstart != mstart && cend != mend) { + /* Split memory region */ + crash_memory_range[i].end = cstart - 1; + temp_region.start = cend + 1; + temp_region.end = mend; + temp_region.type = RANGE_RAM; + tidx = i+1; + } else if (cstart != mstart) + crash_memory_range[i].end = cstart - 1; + else + crash_memory_range[i].start = cend + 1; + } + } + /* Insert split memory region, if any. */ + if (tidx >= 0) { + if (*nr_ranges == CRASH_MAX_MEMORY_RANGES) { + /* No space to insert another element. */ + fprintf(stderr, "Error: Number of crash memory ranges" + " excedeed the max limit\n"); + return -1; + } + for (j = (*nr_ranges - 1); j >= tidx; j--) + crash_memory_range[j+1] = crash_memory_range[j]; + crash_memory_range[tidx].start = temp_region.start; + crash_memory_range[tidx].end = temp_region.end; + crash_memory_range[tidx].type = temp_region.type; + (*nr_ranges)++; + } + return 0; +} +/* Reads the appropriate file and retrieves the SYSTEM RAM regions for whom to + * create Elf headers. Keeping it separate from get_memory_ranges() as + * requirements are different in the case of normal kexec and crashdumps. + * + * Normal kexec needs to look at all of available physical memory irrespective + * of the fact how much of it is being used by currently running kernel. + * Crashdumps need to have access to memory regions actually being used by + * running kernel. Expecting a different file/data structure than /proc/iomem + * to look into down the line. May be something like /proc/kernelmem or may + * be zone data structures exported from kernel. + */ +static int get_crash_memory_ranges(struct memory_range **range, int *ranges) +{ + const char iomem[]= "/proc/iomem"; + int i, memory_ranges = 0; + char line[MAX_LINE]; + FILE *fp; + unsigned long long start, end; + + fp = fopen(iomem, "r"); + if (!fp) { + fprintf(stderr, "Cannot open %s: %s\n", + iomem, strerror(errno)); + return -1; + } + + /* Separate segment for backup region */ + crash_memory_range[0].start = BACKUP_SRC_START; + crash_memory_range[0].end = BACKUP_SRC_END; + crash_memory_range[0].type = RANGE_RAM; + memory_ranges++; + + while(fgets(line, sizeof(line), fp) != 0) { + char *str; + int type, consumed, count; + if (memory_ranges >= CRASH_MAX_MEMORY_RANGES) + break; + count = sscanf(line, "%Lx-%Lx : %n", + &start, &end, &consumed); + if (count != 2) + continue; + str = line + consumed; + + /* Only Dumping memory of type System RAM. */ + if (memcmp(str, "System RAM\n", 11) == 0) { + type = RANGE_RAM; + } else if (memcmp(str, "Crash kernel\n", 13) == 0) { + /* Reserved memory region. New kernel can + * use this region to boot into. */ + crash_reserved_mem.start = start; + crash_reserved_mem.end = end; + crash_reserved_mem.type = RANGE_RAM; + continue; + } else { + continue; + } + + if (start == BACKUP_SRC_START && end >= (BACKUP_SRC_END + 1)) + start = BACKUP_SRC_END + 1; + + crash_memory_range[memory_ranges].start = start; + crash_memory_range[memory_ranges].end = end; + crash_memory_range[memory_ranges].type = type; + memory_ranges++; + + /* Segregate linearly mapped region. */ + if ((MAXMEM - 1) >= start && (MAXMEM - 1) <= end) { + crash_memory_range[memory_ranges-1].end = MAXMEM -1; + + /* Add segregated region. */ + crash_memory_range[memory_ranges].start = MAXMEM; + crash_memory_range[memory_ranges].end = end; + crash_memory_range[memory_ranges].type = type; + memory_ranges++; + } + } + fclose(fp); + + if (exclude_crash_reserve_region(&memory_ranges) < 0) + return -1; + + for (i = 0; i < memory_ranges; i++) + if (saved_max_mem < crash_memory_range[i].end) + saved_max_mem = crash_memory_range[i].end + 1; + + *range = crash_memory_range; + *ranges = memory_ranges; + return 0; +} + +/* Converts unsigned long to ascii string. */ +static void ultoa(unsigned long i, char *str) +{ + int j = 0, k; + char tmp; + + do { + str[j++] = i % 10 + '0'; + } while ((i /=10) > 0); + str[j] = '\0'; + + /* Reverse the string. */ + for (j = 0, k = strlen(str) - 1; j < k; j++, k--) { + tmp = str[k]; + str[k] = str[j]; + str[j] = tmp; + } +} + +/* Adds the appropriate mem= options to command line, indicating the + * memory region the new kernel can use to boot into. */ +static int cmdline_add_mem(char *cmdline, unsigned long addr, unsigned long size) +{ + int cmdlen, len; + char str[50], *ptr; + + addr = addr/1024; + size = size/1024; + ptr = str; + strcpy (str, " mem="); + ptr += strlen(str); + ultoa(size, ptr); + strcat (str, "K@"); + ptr = str + strlen(str); + ultoa(addr, ptr); + strcat (str, "K"); + len = strlen(str); + cmdlen = strlen(cmdline) + len; + if (cmdlen > (COMMAND_LINE_SIZE - 1)) + die("Command line overflow\n"); + strcat(cmdline, str); + + return 0; +} + +/* Adds the elfcorehdr= command line parameter to command line. */ +static int cmdline_add_elfcorehdr(char *cmdline, unsigned long addr) +{ + int cmdlen, len, align = 1024; + char str[30], *ptr; + + /* Passing in elfcorehdr=xxxK format. Saves space required in cmdline. + * Ensure 1K alignment*/ + if (addr%align) + return -1; + addr = addr/align; + ptr = str; + strcpy(str, " elfcorehdr="); + ptr += strlen(str); + ultoa(addr, ptr); + strcat(str, "K"); + len = strlen(str); + cmdlen = strlen(cmdline) + len; + if (cmdlen > (COMMAND_LINE_SIZE - 1)) + die("Command line overflow\n"); + strcat(cmdline, str); + return 0; +} + +/* Adds the elfcorehdr= command line parameter to command line. */ +static int cmdline_add_savemaxmem(char *cmdline, unsigned long addr) +{ + int cmdlen, len, align = 1024; + char str[30], *ptr; + + /* Passing in savemaxmem=xxxM format. Saves space required in cmdline.*/ + addr = addr/(align*align); + ptr = str; + strcpy(str, " savemaxmem="); + ptr += strlen(str); + ultoa(addr, ptr); + strcat(str, "M"); + len = strlen(str); + cmdlen = strlen(cmdline) + len; + if (cmdlen > (COMMAND_LINE_SIZE - 1)) + die("Command line overflow\n"); + strcat(cmdline, str); + return 0; +} + +#ifdef __mips64 +static struct crash_elf_info elf_info64 = +{ + class: ELFCLASS64, + data: ELFDATA2MSB, + machine: EM_MIPS, + backup_src_start: BACKUP_SRC_START, + backup_src_end: BACKUP_SRC_END, + page_offset: PAGE_OFFSET, + lowmem_limit: MAXMEM, +}; +#endif +static struct crash_elf_info elf_info32 = +{ + class: ELFCLASS32, + data: ELFDATA2MSB, + machine: EM_MIPS, + backup_src_start: BACKUP_SRC_START, + backup_src_end: BACKUP_SRC_END, + page_offset: PAGE_OFFSET, + lowmem_limit: MAXMEM, +}; + +/* Loads additional segments in case of a panic kernel is being loaded. + * One segment for backup region, another segment for storing elf headers + * for crash memory image. + */ +int load_crashdump_segments(struct kexec_info *info, char* mod_cmdline, + unsigned long max_addr, unsigned long min_base) +{ + void *tmp; + unsigned long sz, elfcorehdr; + int nr_ranges, align = 1024; + struct memory_range *mem_range; + + if (get_crash_memory_ranges(&mem_range, &nr_ranges) < 0) + return -1; + + /* Create a backup region segment to store backup data*/ + sz = (BACKUP_SRC_SIZE + align - 1) & ~(align - 1); + tmp = xmalloc(sz); + memset(tmp, 0, sz); + info->backup_start = add_buffer(info, tmp, sz, sz, align, + crash_reserved_mem.start, + crash_reserved_mem.end,-1); + +#ifdef __mips64 + /* Create elf header segment and store crash image data. */ + if (arch_options.core_header_type == CORE_TYPE_ELF64) { + if (crash_create_elf64_headers(info, &elf_info64, + crash_memory_range, nr_ranges, + &tmp, &sz, + ELF_CORE_HEADER_ALIGN) < 0) + return -1; + } + else { + if (crash_create_elf32_headers(info, &elf_info32, + crash_memory_range, nr_ranges, + &tmp, &sz, + ELF_CORE_HEADER_ALIGN) < 0) + return -1; + } +#else + if (crash_create_elf32_headers(info, &elf_info32, + crash_memory_range, nr_ranges, + &tmp, &sz, + ELF_CORE_HEADER_ALIGN) < 0) + return -1; +#endif + elfcorehdr = add_buffer(info, tmp, sz, sz, align, + crash_reserved_mem.start, + crash_reserved_mem.end, -1); + + /* + * backup segment is after elfcorehdr, so use elfcorehdr as top of + * kernel's available memory + */ + cmdline_add_mem(mod_cmdline, crash_reserved_mem.start, + elfcorehdr - crash_reserved_mem.start); + cmdline_add_elfcorehdr(mod_cmdline, elfcorehdr); + cmdline_add_savemaxmem(mod_cmdline, saved_max_mem); + return 0; +} + +int is_crashkernel_mem_reserved(void) +{ + uint64_t start, end; + + return parse_iomem_single("Crash kernel\n", &start, &end) == 0 ? + (start != end) : 0; +} + Index: kexec-tools-2.0.1/kexec/arch/mips/crashdump-mips.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ kexec-tools-2.0.1/kexec/arch/mips/crashdump-mips.h 2009-09-27 19:07:26.000000000 +0200 @@ -0,0 +1,26 @@ +#ifndef CRASHDUMP_MIPS_H +#define CRASHDUMP_MIPS_H + +struct kexec_info; +int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline, + unsigned long max_addr, unsigned long min_base); +#ifdef __mips64 +#define PAGE_OFFSET 0xa800000000000000ULL +#else +#define PAGE_OFFSET 0x80000000 +#endif +#define __pa(x) ((unsigned long)(X)& 0x7fffffff) + +#define MAXMEM 0x80000000 + +#define CRASH_MAX_MEMMAP_NR (KEXEC_MAX_SEGMENTS + 1) +#define CRASH_MAX_MEMORY_RANGES (MAX_MEMORY_RANGES + 2) + +#define COMMAND_LINE_SIZE 512 + +/* Backup Region, First 1M of System RAM. */ +#define BACKUP_SRC_START 0x00000000 +#define BACKUP_SRC_END 0x000fffff +#define BACKUP_SRC_SIZE (BACKUP_SRC_END - BACKUP_SRC_START + 1) + +#endif /* CRASHDUMP_MIPS_H */ Index: kexec-tools-2.0.1/kexec/arch/mips/include/arch/options.h =================================================================== --- kexec-tools-2.0.1.orig/kexec/arch/mips/include/arch/options.h 2008-07-15 02:46:43.000000000 +0200 +++ kexec-tools-2.0.1/kexec/arch/mips/include/arch/options.h 2009-09-27 19:18:21.000000000 +0200 @@ -2,10 +2,21 @@ #define KEXEC_ARCH_MIPS_OPTIONS_H #define OPT_ARCH_MAX (OPT_MAX+0) +#define KEXEC_ARCH_OPT_STR KEXEC_OPT_STR "" +#ifdef __mips64 +#define OPT_ELF64_CORE (OPT_MAX+1) #define KEXEC_ARCH_OPTIONS \ KEXEC_OPTIONS \ + { "elf64-core-headers", 0, 0, OPT_ELF64_CORE }, \ #define KEXEC_ARCH_OPT_STR KEXEC_OPT_STR "" +#define OPT_ARCH_MAX (OPT_MAX+2) +#else +#define KEXEC_ARCH_OPTIONS \ + KEXEC_OPTIONS \ + +#define OPT_ARCH_MAX (OPT_MAX+0) +#endif #endif /* KEXEC_ARCH_MIPS_OPTIONS_H */ Index: kexec-tools-2.0.1/kexec/arch/mips/kexec-elf-mips.c =================================================================== --- kexec-tools-2.0.1.orig/kexec/arch/mips/kexec-elf-mips.c 2008-07-15 02:46:43.000000000 +0200 +++ kexec-tools-2.0.1/kexec/arch/mips/kexec-elf-mips.c 2009-09-27 19:16:39.000000000 +0200 @@ -25,51 +25,18 @@ #include #include "../../kexec.h" #include "../../kexec-elf.h" +#include "../../kexec-syscall.h" #include "kexec-mips.h" #include +#include "crashdump-mips.h" static const int probe_debug = 0; #define BOOTLOADER "kexec" #define MAX_COMMAND_LINE 256 -#define UPSZ(X) ((sizeof(X) + 3) & ~3) -static struct boot_notes { - Elf_Bhdr hdr; - Elf_Nhdr bl_hdr; - unsigned char bl_desc[UPSZ(BOOTLOADER)]; - Elf_Nhdr blv_hdr; - unsigned char blv_desc[UPSZ(BOOTLOADER_VERSION)]; - Elf_Nhdr cmd_hdr; - unsigned char command_line[0]; -} elf_boot_notes = { - .hdr = { - .b_signature = 0x0E1FB007, - .b_size = sizeof(elf_boot_notes), - .b_checksum = 0, - .b_records = 3, - }, - .bl_hdr = { - .n_namesz = 0, - .n_descsz = sizeof(BOOTLOADER), - .n_type = EBN_BOOTLOADER_NAME, - }, - .bl_desc = BOOTLOADER, - .blv_hdr = { - .n_namesz = 0, - .n_descsz = sizeof(BOOTLOADER_VERSION), - .n_type = EBN_BOOTLOADER_VERSION, - }, - .blv_desc = BOOTLOADER_VERSION, - .cmd_hdr = { - .n_namesz = 0, - .n_descsz = 0, - .n_type = EBN_COMMAND_LINE, - }, -}; - - -#define OPT_APPEND (OPT_ARCH_MAX+0) +/* 'kexec' in cmdline is used to find cmdline buffer by kernel */ +static char cmdline_buf[256] = "kexec "; int elf_mips_probe(const char *buf, off_t len) { @@ -108,16 +75,14 @@ struct kexec_info *info) { struct mem_ehdr ehdr; - char *arg_buf; - size_t arg_bytes; - unsigned long arg_base; - struct boot_notes *notes; - size_t note_bytes; - const char *command_line; - int command_line_len; - unsigned char *setup_start; - uint32_t setup_size; + unsigned long bss_start, bss_size = 0; + const char *command_line = NULL; + char *modified_cmdline; + int modified_cmdline_len; + unsigned long cmdline_addr; + int result,i; int opt; +#define OPT_APPEND (OPT_ARCH_MAX+0) static const struct option options[] = { KEXEC_ARCH_OPTIONS {"command-line", 1, 0, OPT_APPEND}, @@ -144,38 +109,81 @@ break; } } - command_line_len = 0; - setup_simple_regs.spr9 = 0; - if (command_line) { - command_line_len = strlen(command_line) + 1; - setup_simple_regs.spr9 = 2; + /* Need to append some command line parameters internally in case of + * taking crash dumps. + */ + if (info->kexec_flags & KEXEC_ON_CRASH) { + modified_cmdline = xmalloc(COMMAND_LINE_SIZE); + memset((void *)modified_cmdline, 0, COMMAND_LINE_SIZE); + if (command_line) { + strncpy(modified_cmdline, command_line, COMMAND_LINE_SIZE); + modified_cmdline[COMMAND_LINE_SIZE - 1] = '\0'; + } + modified_cmdline_len = strlen(modified_cmdline); } - /* Load the ELF executable */ - elf_exec_build_load(info, &ehdr, buf, len, 0); - - setup_start = setup_simple_start; - setup_size = setup_simple_size; - setup_simple_regs.spr8 = ehdr.e_entry; - - note_bytes = sizeof(elf_boot_notes) + ((command_line_len + 3) & ~3); - arg_bytes = note_bytes + ((setup_size + 3) & ~3); - - arg_buf = xmalloc(arg_bytes); - arg_base = add_buffer_virt(info, - arg_buf, arg_bytes, arg_bytes, 4, 0, elf_max_addr(&ehdr), 1); + /* Parse the Elf file */ + result = build_elf_exec_info(buf, len, &ehdr, 0); + if (result < 0) { + die("ELF exec parse failed\n"); + } - notes = (struct boot_notes *)(arg_buf + ((setup_size + 3) & ~3)); + /* Read in the PT_LOAD segments and remove CKSEG0 mask from address*/ + for(i = 0; i < ehdr.e_phnum; i++) { + struct mem_phdr *phdr; + phdr = &ehdr.e_phdr[i]; + if (phdr->p_type == PT_LOAD) { + phdr->p_paddr = virt_to_phys(phdr->p_paddr); + } + } - memcpy(arg_buf, setup_start, setup_size); - memcpy(notes, &elf_boot_notes, sizeof(elf_boot_notes)); - memcpy(notes->command_line, command_line, command_line_len); + for(i = 0; i < ehdr.e_shnum; i++) { + struct mem_shdr *shdr; + unsigned char *strtab; + strtab = (unsigned char *)ehdr.e_shdr[ehdr.e_shstrndx].sh_data; + + shdr = &ehdr.e_shdr[i]; + if ( shdr->sh_size && + strcmp((char *)&strtab[shdr->sh_name], + ".bss") == 0) { + bss_start = virt_to_phys(shdr->sh_addr); + bss_size = shdr->sh_size; + break; + } + } - notes->hdr.b_size = note_bytes; - notes->cmd_hdr.n_descsz = command_line_len; - notes->hdr.b_checksum = compute_ip_checksum(notes, note_bytes); + /* Load the Elf data */ + result = elf_exec_load(&ehdr, info); + if (result < 0) { + die("ELF exec load failed\n"); + } + info->entry = (void *)virt_to_phys(ehdr.e_entry); + if(!bss_size) + die("No .bss segment present\n"); + + /* Put cmdline right after bss */ + cmdline_addr = bss_start + bss_size; + + /* If panic kernel is being loaded, additional segments need + * to be created. + */ + if (info->kexec_flags & KEXEC_ON_CRASH) { + result = load_crashdump_segments(info, modified_cmdline, + 0, 0); + if (result < 0) + return -1; + /* Use new command line. */ + command_line = modified_cmdline; + } - info->entry = (void *)arg_base; + if (command_line) + { + strncat(cmdline_buf,command_line, + sizeof(cmdline_buf) - strlen(cmdline_buf) - 1); + add_buffer(info, cmdline_buf, sizeof(cmdline_buf), + sizeof(cmdline_buf), sizeof(void*), + cmdline_addr, 0x0fffffff, 1); + } return 0; } Index: kexec-tools-2.0.1/kexec/arch/mips/kexec-mips.c =================================================================== --- kexec-tools-2.0.1.orig/kexec/arch/mips/kexec-mips.c 2008-07-15 02:46:43.000000000 +0200 +++ kexec-tools-2.0.1/kexec/arch/mips/kexec-mips.c 2009-09-27 19:20:25.000000000 +0200 @@ -97,8 +97,18 @@ void arch_usage(void) { +#ifdef __mips64 + fprintf(stderr, " --elf32-core-headers Prepare core headers in " + "ELF32 format\n"); +#endif } +#ifdef __mips64 +struct arch_options_t arch_options = { + .core_header_type = CORE_TYPE_ELF64 +}; +#endif + int arch_process_options(int argc, char **argv) { static const struct option options[] = { @@ -113,6 +123,11 @@ switch(opt) { default: break; +#ifdef __mips64 + case OPT_ELF64_CORE: + arch_options.core_header_type = CORE_TYPE_ELF64; + break; +#endif } } /* Reset getopt for the next pass; called in other source modules */ @@ -126,6 +141,10 @@ * use KEXEC_ARCH_DEFAULT instead of KEXEC_ARCH_MIPS here. */ { "mips", KEXEC_ARCH_DEFAULT }, + /* Not using KEXEC_ARCH_DEFAULT because that will fail + * in the kernel's compat_sys_kexec_load() routine. + */ + { "mips64", KEXEC_ARCH_MIPS }, { 0 }, }; @@ -138,18 +157,9 @@ { } -/* - * Adding a dummy function, so that build on mips will not break. - * Need to implement the actual checking code - */ -int is_crashkernel_mem_reserved(void) -{ - return 1; -} - unsigned long virt_to_phys(unsigned long addr) { - return addr - 0x80000000; + return ((addr)& 0x7fffffff); } /* Index: kexec-tools-2.0.1/kexec/arch/mips/kexec-mips.h =================================================================== --- kexec-tools-2.0.1.orig/kexec/arch/mips/kexec-mips.h 2008-07-15 02:46:43.000000000 +0200 +++ kexec-tools-2.0.1/kexec/arch/mips/kexec-mips.h 2009-09-27 19:21:32.000000000 +0200 @@ -1,17 +1,16 @@ #ifndef KEXEC_MIPS_H #define KEXEC_MIPS_H -extern unsigned char setup_simple_start[]; -extern uint32_t setup_simple_size; - -extern struct { - uint32_t spr8; - uint32_t spr9; -} setup_simple_regs; +#define MAX_MEMORY_RANGES 64 +#define CORE_TYPE_ELF32 1 +#define CORE_TYPE_ELF64 2 int elf_mips_probe(const char *buf, off_t len); int elf_mips_load(int argc, char **argv, const char *buf, off_t len, struct kexec_info *info); void elf_mips_usage(void); +struct arch_options_t { + int core_header_type; +}; #endif /* KEXEC_MIPS_H */