diff options
author | Paul Mackerras <paulus@samba.org> | 2005-11-16 13:38:21 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2005-11-16 13:52:21 +1100 |
commit | 94b212c29f685ca54b5689a8e89ac7671c43d651 (patch) | |
tree | 356266520a5ba530b2a5b77b68e90e87a2402ecb /arch/ppc64 | |
parent | 7486a38f683d49e6f8b2b9050ff06778b151a40c (diff) |
powerpc: Move ppc64 boot wrapper code over to arch/powerpc
This also extends the code to handle 32-bit ELF vmlinux files as well
as 64-bit ones. This is sufficient for booting on new-world 32-bit
powermacs (i.e. all recent machines).
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64')
-rw-r--r-- | arch/ppc64/boot/Makefile | 148 | ||||
-rw-r--r-- | arch/ppc64/boot/README | 11 | ||||
-rw-r--r-- | arch/ppc64/boot/addRamDisk.c | 311 | ||||
-rw-r--r-- | arch/ppc64/boot/addnote.c | 205 | ||||
-rw-r--r-- | arch/ppc64/boot/crt0.S | 59 | ||||
-rw-r--r-- | arch/ppc64/boot/div64.S | 58 | ||||
-rw-r--r-- | arch/ppc64/boot/elf.h | 149 | ||||
-rw-r--r-- | arch/ppc64/boot/install.sh | 42 | ||||
-rw-r--r-- | arch/ppc64/boot/main.c | 281 | ||||
-rw-r--r-- | arch/ppc64/boot/page.h | 34 | ||||
-rw-r--r-- | arch/ppc64/boot/ppc_asm.h | 62 | ||||
-rw-r--r-- | arch/ppc64/boot/prom.c | 499 | ||||
-rw-r--r-- | arch/ppc64/boot/prom.h | 18 | ||||
-rw-r--r-- | arch/ppc64/boot/stdio.h | 16 | ||||
-rw-r--r-- | arch/ppc64/boot/string.S | 216 | ||||
-rw-r--r-- | arch/ppc64/boot/string.h | 17 | ||||
-rw-r--r-- | arch/ppc64/boot/zImage.lds | 46 |
17 files changed, 0 insertions, 2172 deletions
diff --git a/arch/ppc64/boot/Makefile b/arch/ppc64/boot/Makefile deleted file mode 100644 index 301bc1536c4..00000000000 --- a/arch/ppc64/boot/Makefile +++ /dev/null @@ -1,148 +0,0 @@ -# Makefile for making ELF bootable images for booting on CHRP -# using Open Firmware. -# -# Geert Uytterhoeven September 1997 -# -# Based on coffboot by Paul Mackerras -# Simplified for ppc64 by Todd Inglett -# -# NOTE: this code is built for 32 bit in ELF32 format even though -# it packages a 64 bit kernel. We do this to simplify the -# bootloader and increase compatibility with OpenFirmware. -# -# To this end we need to define BOOTCC, etc, as the tools -# needed to build the 32 bit image. These are normally HOSTCC, -# but may be a third compiler if, for example, you are cross -# compiling from an intel box. Once the 64bit ppc gcc is -# stable it will probably simply be a compiler switch to -# compile for 32bit mode. -# To make it easier to setup a cross compiler, -# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE -# in the toplevel makefile. - - -HOSTCC := gcc -BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem $(shell $(CROSS32CC) -print-file-name=include) -fPIC -BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc -BOOTLFLAGS := -T $(srctree)/$(src)/zImage.lds -OBJCOPYFLAGS := contents,alloc,load,readonly,data - -zlib := infblock.c infcodes.c inffast.c inflate.c inftrees.c infutil.c -zlibheader := infblock.h infcodes.h inffast.h inftrees.h infutil.h -zliblinuxheader := zlib.h zconf.h zutil.h - -$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) -#$(addprefix $(obj)/,main.o): $(addprefix $(obj)/,zlib.h) - -src-boot := string.S prom.c main.c div64.S crt0.S -src-boot += $(zlib) -src-boot := $(addprefix $(obj)/, $(src-boot)) -obj-boot := $(addsuffix .o, $(basename $(src-boot))) - -BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) - -quiet_cmd_copy_zlib = COPY $@ - cmd_copy_zlib = sed "s@__attribute_used__@@;s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@ - -quiet_cmd_copy_zlibheader = COPY $@ - cmd_copy_zlibheader = sed "s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@ -# stddef.h for NULL -quiet_cmd_copy_zliblinuxheader = COPY $@ - cmd_copy_zliblinuxheader = sed "s@<linux/string.h>@\"string.h\"@;s@<linux/kernel.h>@<stddef.h>@;s@<linux/\([^>]\+\).*@\"\1\"@" $< > $@ - -$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/% - $(call cmd,copy_zlib) - -$(addprefix $(obj)/,$(zlibheader)): $(obj)/%: $(srctree)/lib/zlib_inflate/% - $(call cmd,copy_zlibheader) - -$(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/% - $(call cmd,copy_zliblinuxheader) - -clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) - - -quiet_cmd_bootcc = BOOTCC $@ - cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< - -quiet_cmd_bootas = BOOTAS $@ - cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< - -quiet_cmd_bootld = BOOTLD $@ - cmd_bootld = $(CROSS32LD) $(BOOTLFLAGS) -o $@ $(2) - -$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c - $(call if_changed_dep,bootcc) -$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S - $(call if_changed_dep,bootas) - -#----------------------------------------------------------- -# ELF sections within the zImage bootloader/wrapper -#----------------------------------------------------------- -required := vmlinux.strip -initrd := initrd - -obj-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.o, $(section))) -src-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.c, $(section))) -gz-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section))) - -hostprogs-y := addnote addRamDisk -targets += zImage.vmode zImage.initrd.vmode zImage zImage.initrd \ - $(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \ - $(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \ - $(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \ - vmlinux.initrd -extra-y := initrd.o - -quiet_cmd_ramdisk = RAMDISK $@ - cmd_ramdisk = $(obj)/addRamDisk $(obj)/ramdisk.image.gz $< $@ - -quiet_cmd_stripvm = STRIP $@ - cmd_stripvm = $(STRIP) -s $< -o $@ - -vmlinux.strip: vmlinux - $(call if_changed,stripvm) -$(obj)/vmlinux.initrd: vmlinux.strip $(obj)/addRamDisk $(obj)/ramdisk.image.gz - $(call if_changed,ramdisk) - -quiet_cmd_addsection = ADDSEC $@ - cmd_addsection = $(CROSS32OBJCOPY) $@ \ - --add-section=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $@))=$(patsubst %.o,%.gz, $@) \ - --set-section-flags=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $@))=$(OBJCOPYFLAGS) - -quiet_cmd_addnote = ADDNOTE $@ - cmd_addnote = $(obj)/addnote $@ - -$(call gz-sec, $(required)): $(obj)/kernel-%.gz: % - $(call if_changed,gzip) - -$(obj)/kernel-initrd.gz: $(obj)/ramdisk.image.gz - cp -f $(obj)/ramdisk.image.gz $@ - -$(call src-sec, $(required) $(initrd)): $(obj)/kernel-%.c: $(obj)/kernel-%.gz - @touch $@ - -$(call obj-sec, $(required) $(initrd)): $(obj)/kernel-%.o: $(obj)/kernel-%.c - $(call if_changed_dep,bootcc) - $(call cmd,addsection) - -$(obj)/zImage.vmode: obj-boot += $(call obj-sec, $(required)) -$(obj)/zImage.vmode: $(call obj-sec, $(required)) $(obj-boot) $(srctree)/$(src)/zImage.lds - $(call cmd,bootld,$(obj-boot)) - -$(obj)/zImage.initrd.vmode: obj-boot += $(call obj-sec, $(required) $(initrd)) -$(obj)/zImage.initrd.vmode: $(call obj-sec, $(required) $(initrd)) $(obj-boot) $(srctree)/$(src)/zImage.lds - $(call cmd,bootld,$(obj-boot)) - -$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote - @cp -f $< $@ - $(call if_changed,addnote) - -$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote - @cp -f $< $@ - $(call if_changed,addnote) - -install: $(CONFIGURE) $(BOOTIMAGE) - sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" "$(BOOTIMAGE)" - -clean-files := $(addprefix $(objtree)/, $(obj-boot) vmlinux.strip) diff --git a/arch/ppc64/boot/README b/arch/ppc64/boot/README deleted file mode 100644 index 3e11058760e..00000000000 --- a/arch/ppc64/boot/README +++ /dev/null @@ -1,11 +0,0 @@ - -To extract the kernel vmlinux, System.map, .config or initrd from the zImage binary: - -objcopy -j .kernel:vmlinux -O binary zImage vmlinux.gz -objcopy -j .kernel:System.map -O binary zImage System.map.gz -objcopy -j .kernel:.config -O binary zImage config.gz -objcopy -j .kernel:initrd -O binary zImage.initrd initrd.gz - - - Peter - diff --git a/arch/ppc64/boot/addRamDisk.c b/arch/ppc64/boot/addRamDisk.c deleted file mode 100644 index c02a99952be..00000000000 --- a/arch/ppc64/boot/addRamDisk.c +++ /dev/null @@ -1,311 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <netinet/in.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <string.h> -#include <elf.h> - -#define ElfHeaderSize (64 * 1024) -#define ElfPages (ElfHeaderSize / 4096) -#define KERNELBASE (0xc000000000000000) -#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1))) - -struct addr_range { - unsigned long long addr; - unsigned long memsize; - unsigned long offset; -}; - -static int check_elf64(void *p, int size, struct addr_range *r) -{ - Elf64_Ehdr *elf64 = p; - Elf64_Phdr *elf64ph; - - if (elf64->e_ident[EI_MAG0] != ELFMAG0 || - elf64->e_ident[EI_MAG1] != ELFMAG1 || - elf64->e_ident[EI_MAG2] != ELFMAG2 || - elf64->e_ident[EI_MAG3] != ELFMAG3 || - elf64->e_ident[EI_CLASS] != ELFCLASS64 || - elf64->e_ident[EI_DATA] != ELFDATA2MSB || - elf64->e_type != ET_EXEC || elf64->e_machine != EM_PPC64) - return 0; - - if ((elf64->e_phoff + sizeof(Elf64_Phdr)) > size) - return 0; - - elf64ph = (Elf64_Phdr *) ((unsigned long)elf64 + - (unsigned long)elf64->e_phoff); - - r->memsize = (unsigned long)elf64ph->p_memsz; - r->offset = (unsigned long)elf64ph->p_offset; - r->addr = (unsigned long long)elf64ph->p_vaddr; - -#ifdef DEBUG - printf("PPC64 ELF file, ph:\n"); - printf("p_type 0x%08x\n", elf64ph->p_type); - printf("p_flags 0x%08x\n", elf64ph->p_flags); - printf("p_offset 0x%016llx\n", elf64ph->p_offset); - printf("p_vaddr 0x%016llx\n", elf64ph->p_vaddr); - printf("p_paddr 0x%016llx\n", elf64ph->p_paddr); - printf("p_filesz 0x%016llx\n", elf64ph->p_filesz); - printf("p_memsz 0x%016llx\n", elf64ph->p_memsz); - printf("p_align 0x%016llx\n", elf64ph->p_align); - printf("... skipping 0x%08lx bytes of ELF header\n", - (unsigned long)elf64ph->p_offset); -#endif - - return 64; -} -void get4k(FILE *file, char *buf ) -{ - unsigned j; - unsigned num = fread(buf, 1, 4096, file); - for ( j=num; j<4096; ++j ) - buf[j] = 0; -} - -void put4k(FILE *file, char *buf ) -{ - fwrite(buf, 1, 4096, file); -} - -void death(const char *msg, FILE *fdesc, const char *fname) -{ - fprintf(stderr, msg); - fclose(fdesc); - unlink(fname); - exit(1); -} - -int main(int argc, char **argv) -{ - char inbuf[4096]; - struct addr_range vmlinux; - FILE *ramDisk; - FILE *inputVmlinux; - FILE *outputVmlinux; - - char *rd_name, *lx_name, *out_name; - - size_t i; - unsigned long ramFileLen; - unsigned long ramLen; - unsigned long roundR; - unsigned long offset_end; - - unsigned long kernelLen; - unsigned long actualKernelLen; - unsigned long round; - unsigned long roundedKernelLen; - unsigned long ramStartOffs; - unsigned long ramPages; - unsigned long roundedKernelPages; - unsigned long hvReleaseData; - u_int32_t eyeCatcher = 0xc8a5d9c4; - unsigned long naca; - unsigned long xRamDisk; - unsigned long xRamDiskSize; - long padPages; - - - if (argc < 2) { - fprintf(stderr, "Name of RAM disk file missing.\n"); - exit(1); - } - rd_name = argv[1]; - - if (argc < 3) { - fprintf(stderr, "Name of vmlinux file missing.\n"); - exit(1); - } - lx_name = argv[2]; - - if (argc < 4) { - fprintf(stderr, "Name of vmlinux output file missing.\n"); - exit(1); - } - out_name = argv[3]; - - - ramDisk = fopen(rd_name, "r"); - if ( ! ramDisk ) { - fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", rd_name); - exit(1); - } - - inputVmlinux = fopen(lx_name, "r"); - if ( ! inputVmlinux ) { - fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", lx_name); - exit(1); - } - - outputVmlinux = fopen(out_name, "w+"); - if ( ! outputVmlinux ) { - fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", out_name); - exit(1); - } - - i = fread(inbuf, 1, sizeof(inbuf), inputVmlinux); - if (i != sizeof(inbuf)) { - fprintf(stderr, "can not read vmlinux file %s: %u\n", lx_name, i); - exit(1); - } - - i = check_elf64(inbuf, sizeof(inbuf), &vmlinux); - if (i == 0) { - fprintf(stderr, "You must have a linux kernel specified as argv[2]\n"); - exit(1); - } - - /* Input Vmlinux file */ - fseek(inputVmlinux, 0, SEEK_END); - kernelLen = ftell(inputVmlinux); - fseek(inputVmlinux, 0, SEEK_SET); - printf("kernel file size = %lu\n", kernelLen); - - actualKernelLen = kernelLen - ElfHeaderSize; - - printf("actual kernel length (minus ELF header) = %lu\n", actualKernelLen); - - round = actualKernelLen % 4096; - roundedKernelLen = actualKernelLen; - if ( round ) - roundedKernelLen += (4096 - round); - printf("Vmlinux length rounded up to a 4k multiple = %ld/0x%lx \n", roundedKernelLen, roundedKernelLen); - roundedKernelPages = roundedKernelLen / 4096; - printf("Vmlinux pages to copy = %ld/0x%lx \n", roundedKernelPages, roundedKernelPages); - - offset_end = _ALIGN_UP(vmlinux.memsize, 4096); - /* calc how many pages we need to insert between the vmlinux and the start of the ram disk */ - padPages = offset_end/4096 - roundedKernelPages; - - /* Check and see if the vmlinux is already larger than _end in System.map */ - if (padPages < 0) { - /* vmlinux is larger than _end - adjust the offset to the start of the embedded ram disk */ - offset_end = roundedKernelLen; - printf("vmlinux is larger than _end indicates it needs to be - offset_end = %lx \n", offset_end); - padPages = 0; - printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages); - } - else { - /* _end is larger than vmlinux - use the offset to _end that we calculated from the system map */ - printf("vmlinux is smaller than _end indicates is needed - offset_end = %lx \n", offset_end); - printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages); - } - - - - /* Input Ram Disk file */ - // Set the offset that the ram disk will be started at. - ramStartOffs = offset_end; /* determined from the input vmlinux file and the system map */ - printf("Ram Disk will start at offset = 0x%lx \n", ramStartOffs); - - fseek(ramDisk, 0, SEEK_END); - ramFileLen = ftell(ramDisk); - fseek(ramDisk, 0, SEEK_SET); - printf("%s file size = %ld/0x%lx \n", rd_name, ramFileLen, ramFileLen); - - ramLen = ramFileLen; - - roundR = 4096 - (ramLen % 4096); - if ( roundR ) { - printf("Rounding RAM disk file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR); - ramLen += roundR; - } - - printf("Rounded RAM disk size is %ld/0x%lx \n", ramLen, ramLen); - ramPages = ramLen / 4096; - printf("RAM disk pages to copy = %ld/0x%lx\n", ramPages, ramPages); - - - - // Copy 64K ELF header - for (i=0; i<(ElfPages); ++i) { - get4k( inputVmlinux, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Copy the vmlinux (as full pages). */ - fseek(inputVmlinux, ElfHeaderSize, SEEK_SET); - for ( i=0; i<roundedKernelPages; ++i ) { - get4k( inputVmlinux, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Insert pad pages (if appropriate) that are needed between */ - /* | the end of the vmlinux and the ram disk. */ - for (i=0; i<padPages; ++i) { - memset(inbuf, 0, 4096); - put4k(outputVmlinux, inbuf); - } - - /* Copy the ram disk (as full pages). */ - for ( i=0; i<ramPages; ++i ) { - get4k( ramDisk, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Close the input files */ - fclose(ramDisk); - fclose(inputVmlinux); - /* And flush the written output file */ - fflush(outputVmlinux); - - - - /* Fixup the new vmlinux to contain the ram disk starting offset (xRamDisk) and the ram disk size (xRamDiskSize) */ - /* fseek to the hvReleaseData pointer */ - fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET); - if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) { - death("Could not read hvReleaseData pointer\n", outputVmlinux, out_name); - } - hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */ - printf("hvReleaseData is at %08lx\n", hvReleaseData); - - /* fseek to the hvReleaseData */ - fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET); - if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) { - death("Could not read hvReleaseData\n", outputVmlinux, out_name); - } - /* Check hvReleaseData sanity */ - if (memcmp(inbuf, &eyeCatcher, 4) != 0) { - death("hvReleaseData is invalid\n", outputVmlinux, out_name); - } - /* Get the naca pointer */ - naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE; - printf("Naca is at offset 0x%lx \n", naca); - - /* fseek to the naca */ - fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET); - if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) { - death("Could not read naca\n", outputVmlinux, out_name); - } - xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c])); - xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14])); - /* Make sure a RAM disk isn't already present */ - if ((xRamDisk != 0) || (xRamDiskSize != 0)) { - death("RAM disk is already attached to this kernel\n", outputVmlinux, out_name); - } - /* Fill in the values */ - *((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs); - *((u_int32_t *) &inbuf[0x14]) = htonl(ramPages); - - /* Write out the new naca */ - fflush(outputVmlinux); - fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET); - if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) { - death("Could not write naca\n", outputVmlinux, out_name); - } - printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08lx\n", - ramPages, ramStartOffs); - - /* Done */ - fclose(outputVmlinux); - /* Set permission to executable */ - chmod(out_name, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); - - return 0; -} - diff --git a/arch/ppc64/boot/addnote.c b/arch/ppc64/boot/addnote.c deleted file mode 100644 index 8041a9845ab..00000000000 --- a/arch/ppc64/boot/addnote.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Program to hack in a PT_NOTE program header entry in an ELF file. - * This is needed for OF on RS/6000s to load an image correctly. - * Note that OF needs a program header entry for the note, not an - * ELF section. - * - * Copyright 2000 Paul Mackerras. - * - * 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; either version - * 2 of the License, or (at your option) any later version. - * - * Usage: addnote zImage - */ -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> - -/* CHRP note section */ -char arch[] = "PowerPC"; - -#define N_DESCR 6 -unsigned int descr[N_DESCR] = { - 0xffffffff, /* real-mode = true */ - 0x00c00000, /* real-base, i.e. where we expect OF to be */ - 0xffffffff, /* real-size */ - 0xffffffff, /* virt-base */ - 0xffffffff, /* virt-size */ - 0x4000, /* load-base */ -}; - -/* RPA note section */ -char rpaname[] = "IBM,RPA-Client-Config"; - -/* - * Note: setting ignore_my_client_config *should* mean that OF ignores - * all the other fields, but there is a firmware bug which means that - * it looks at the splpar field at least. So these values need to be - * reasonable. - */ -#define N_RPA_DESCR 8 -unsigned int rpanote[N_RPA_DESCR] = { - 0, /* lparaffinity */ - 64, /* min_rmo_size */ - 0, /* min_rmo_percent */ - 40, /* max_pft_size */ - 1, /* splpar */ - -1, /* min_load */ - 0, /* new_mem_def */ - 1, /* ignore_my_client_config */ -}; - -#define ROUNDUP(len) (((len) + 3) & ~3) - -unsigned char buf[512]; - -#define GET_16BE(off) ((buf[off] << 8) + (buf[(off)+1])) -#define GET_32BE(off) ((GET_16BE(off) << 16) + GET_16BE((off)+2)) - -#define PUT_16BE(off, v) (buf[off] = ((v) >> 8) & 0xff, \ - buf[(off) + 1] = (v) & 0xff) -#define PUT_32BE(off, v) (PUT_16BE((off), (v) >> 16), \ - PUT_16BE((off) + 2, (v))) - -/* Structure of an ELF file */ -#define E_IDENT 0 /* ELF header */ -#define E_PHOFF 28 -#define E_PHENTSIZE 42 -#define E_PHNUM 44 -#define E_HSIZE 52 /* size of ELF header */ - -#define EI_MAGIC 0 /* offsets in E_IDENT area */ -#define EI_CLASS 4 -#define EI_DATA 5 - -#define PH_TYPE 0 /* ELF program header */ -#define PH_OFFSET 4 -#define PH_FILESZ 16 -#define PH_HSIZE 32 /* size of program header */ - -#define PT_NOTE 4 /* Program header type = note */ - -#define ELFCLASS32 1 -#define ELFDATA2MSB 2 - -unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' }; - -int -main(int ac, char **av) -{ - int fd, n, i; - int ph, ps, np; - int nnote, nnote2, ns; - - if (ac != 2) { - fprintf(stderr, "Usage: %s elf-file\n", av[0]); - exit(1); - } - fd = open(av[1], O_RDWR); - if (fd < 0) { - perror(av[1]); - exit(1); - } - - nnote = 12 + ROUNDUP(strlen(arch) + 1) + sizeof(descr); - nnote2 = 12 + ROUNDUP(strlen(rpaname) + 1) + sizeof(rpanote); - - n = read(fd, buf, sizeof(buf)); - if (n < 0) { - perror("read"); - exit(1); - } - - if (n < E_HSIZE || memcmp(&buf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0) - goto notelf; - - if (buf[E_IDENT+EI_CLASS] != ELFCLASS32 - || buf[E_IDENT+EI_DATA] != ELFDATA2MSB) { - fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n", - av[1]); - exit(1); - } - - ph = GET_32BE(E_PHOFF); - ps = GET_16BE(E_PHENTSIZE); - np = GET_16BE(E_PHNUM); - if (ph < E_HSIZE || ps < PH_HSIZE || np < 1) - goto notelf; - if (ph + (np + 2) * ps + nnote + nnote2 > n) - goto nospace; - - for (i = 0; i < np; ++i) { - if (GET_32BE(ph + PH_TYPE) == PT_NOTE) { - fprintf(stderr, "%s already has a note entry\n", - av[1]); - exit(0); - } - ph += ps; - } - - /* XXX check that the area we want to use is all zeroes */ - for (i = 0; i < 2 * ps + nnote + nnote2; ++i) - if (buf[ph + i] != 0) - goto nospace; - - /* fill in the program header entry */ - ns = ph + 2 * ps; - PUT_32BE(ph + PH_TYPE, PT_NOTE); - PUT_32BE(ph + PH_OFFSET, ns); - PUT_32BE(ph + PH_FILESZ, nnote); - - /* fill in the note area we point to */ - /* XXX we should probably make this a proper section */ - PUT_32BE(ns, strlen(arch) + 1); - PUT_32BE(ns + 4, N_DESCR * 4); - PUT_32BE(ns + 8, 0x1275); - strcpy((char *) &buf[ns + 12], arch); - ns += 12 + strlen(arch) + 1; - for (i = 0; i < N_DESCR; ++i, ns += 4) - PUT_32BE(ns, descr[i]); - - /* fill in the second program header entry and the RPA note area */ - ph += ps; - PUT_32BE(ph + PH_TYPE, PT_NOTE); - PUT_32BE(ph + PH_OFFSET, ns); - PUT_32BE(ph + PH_FILESZ, nnote2); - - /* fill in the note area we point to */ - PUT_32BE(ns, strlen(rpaname) + 1); - PUT_32BE(ns + 4, sizeof(rpanote)); - PUT_32BE(ns + 8, 0x12759999); - strcpy((char *) &buf[ns + 12], rpaname); - ns += 12 + ROUNDUP(strlen(rpaname) + 1); - for (i = 0; i < N_RPA_DESCR; ++i, ns += 4) - PUT_32BE(ns, rpanote[i]); - - /* Update the number of program headers */ - PUT_16BE(E_PHNUM, np + 2); - - /* write back */ - lseek(fd, (long) 0, SEEK_SET); - i = write(fd, buf, n); - if (i < 0) { - perror("write"); - exit(1); - } - if (i < n) { - fprintf(stderr, "%s: write truncated\n", av[1]); - exit(1); - } - - exit(0); - - notelf: - fprintf(stderr, "%s does not appear to be an ELF file\n", av[1]); - exit(1); - - nospace: - fprintf(stderr, "sorry, I can't find space in %s to put the note\n", - av[1]); - exit(1); -} diff --git a/arch/ppc64/boot/crt0.S b/arch/ppc64/boot/crt0.S deleted file mode 100644 index 9cc44226393..00000000000 --- a/arch/ppc64/boot/crt0.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (C) Paul Mackerras 1997. - * - * 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; either version - * 2 of the License, or (at your option) any later version. - * - * NOTE: this code runs in 32 bit mode and is packaged as ELF32. - */ - -#include "ppc_asm.h" - - .text - .globl _zimage_start -_zimage_start: - bl reloc_offset - -reloc_offset: - mflr r0 - lis r9,reloc_offset@ha - addi r9,r9,reloc_offset@l - subf. r0,r9,r0 - beq clear_caches - -reloc_got2: - lis r9,__got2_start@ha - addi r9,r9,__got2_start@l - lis r8,__got2_end@ha - addi r8,r8,__got2_end@l - subf. r8,r9,r8 - beq clear_caches - srwi. r8,r8,2 - mtctr r8 - add r9,r0,r9 -reloc_got2_loop: - lwz r8,0(r9) - add r8,r8,r0 - stw r8,0(r9) - addi r9,r9,4 - bdnz reloc_got2_loop - -clear_caches: - lis r9,_start@h - add r9,r0,r9 - lis r8,_etext@ha - addi r8,r8,_etext@l - add r8,r0,r8 -1: dcbf r0,r9 - icbi r0,r9 - addi r9,r9,0x20 - cmplwi 0,r9,8 - blt 1b - sync - isync - - mr r6,r1 - b start - diff --git a/arch/ppc64/boot/div64.S b/arch/ppc64/boot/div64.S deleted file mode 100644 index 722f360a32a..00000000000 --- a/arch/ppc64/boot/div64.S +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Divide a 64-bit unsigned number by a 32-bit unsigned number. - * This routine assumes that the top 32 bits of the dividend are - * non-zero to start with. - * On entry, r3 points to the dividend, which get overwritten with - * the 64-bit quotient, and r4 contains the divisor. - * On exit, r3 contains the remainder. - * - * Copyright (C) 2002 Paul Mackerras, IBM Corp. - * - * 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; either version - * 2 of the License, or (at your option) any later version. - */ -#include "ppc_asm.h" - - .globl __div64_32 -__div64_32: - lwz r5,0(r3) # get the dividend into r5/r6 - lwz r6,4(r3) - cmplw r5,r4 - li r7,0 - li r8,0 - blt 1f - divwu r7,r5,r4 # if dividend.hi >= divisor, - mullw r0,r7,r4 # quotient.hi = dividend.hi / divisor - subf. r5,r0,r5 # dividend.hi %= divisor - beq 3f -1: mr r11,r5 # here dividend.hi != 0 - andis. r0,r5,0xc000 - bne 2f - cntlzw r0,r5 # we are shifting the dividend right - li r10,-1 # to make it < 2^32, and shifting - srw r10,r10,r0 # the divisor right the same amount, - add r9,r4,r10 # rounding up (so the estimate cannot - andc r11,r6,r10 # ever be too large, only too small) - andc r9,r9,r10 - or r11,r5,r11 - rotlw r9,r9,r0 - rotlw r11,r11,r0 - divwu r11,r11,r9 # then we divide the shifted quantities -2: mullw r10,r11,r4 # to get an estimate of the quotient, - mulhwu r9,r11,r4 # multiply the estimate by the divisor, - subfc r6,r10,r6 # take the product from the divisor, - add r8,r8,r11 # and add the estimate to the accumulated - subfe. r5,r9,r5 # quotient - bne 1b -3: cmplw r6,r4 - blt 4f - divwu r0,r6,r4 # perform the remaining 32-bit division - mullw r10,r0,r4 # and get the remainder - add r8,r8,r0 - subf r6,r10,r6 -4: stw r7,0(r3) # return the quotient in *r3 - stw r8,4(r3) - mr r3,r6 # return the remainder in r3 - blr diff --git a/arch/ppc64/boot/elf.h b/arch/ppc64/boot/elf.h deleted file mode 100644 index d4828fcf1cb..00000000000 --- a/arch/ppc64/boot/elf.h +++ /dev/null @@ -1,149 +0,0 @@ -#ifndef _PPC_BOOT_ELF_H_ -#define _PPC_BOOT_ELF_H_ - -/* 32-bit ELF base types. */ -typedef unsigned int Elf32_Addr; -typedef unsigned short Elf32_Half; -typedef unsigned int Elf32_Off; -typedef signed int Elf32_Sword; -typedef unsigned int Elf32_Word; - -/* 64-bit ELF base types. */ -typedef unsigned long long Elf64_Addr; -typedef unsigned short Elf64_Half; -typedef signed short Elf64_SHalf; -typedef unsigned long long Elf64_Off; -typedef signed int Elf64_Sword; -typedef unsigned int Elf64_Word; -typedef unsigned long long Elf64_Xword; -typedef signed long long Elf64_Sxword; - -/* These constants are for the segment types stored in the image headers */ -#define PT_NULL 0 -#define PT_LOAD 1 -#define PT_DYNAMIC 2 -#define PT_INTERP 3 -#define PT_NOTE 4 -#define PT_SHLIB 5 -#define PT_PHDR 6 -#define PT_TLS 7 /* Thread local storage segment */ -#define PT_LOOS 0x60000000 /* OS-specific */ -#define PT_HIOS 0x6fffffff /* OS-specific */ -#define PT_LOPROC 0x70000000 -#define PT_HIPROC 0x7fffffff -#define PT_GNU_EH_FRAME 0x6474e550 - -#define PT_GNU_STACK (PT_LOOS + 0x474e551) - -/* These constants define the different elf file types */ -#define ET_NONE 0 -#define ET_REL 1 -#define ET_EXEC 2 -#define ET_DYN 3 -#define ET_CORE 4 -#define ET_LOPROC 0xff00 -#define ET_HIPROC 0xffff - -/* These constants define the various ELF target machines */ -#define EM_NONE 0 -#define EM_PPC 20 /* PowerPC */ -#define EM_PPC64 21 /* PowerPC64 */ - -#define EI_NIDENT 16 - -typedef struct elf32_hdr { - unsigned char e_ident[EI_NIDENT]; - Elf32_Half e_type; - Elf32_Half e_machine; - Elf32_Word e_version; - Elf32_Addr e_entry; /* Entry point */ - Elf32_Off e_phoff; - Elf32_Off e_shoff; - Elf32_Word e_flags; - Elf32_Half e_ehsize; - Elf32_Half e_phentsize; - Elf32_Half e_phnum; - Elf32_Half e_shentsize; - Elf32_Half e_shnum; - Elf32_Half e_shstrndx; -} Elf32_Ehdr; - -typedef struct elf64_hdr { - unsigned char e_ident[16]; /* ELF "magic number" */ - Elf64_Half e_type; - Elf64_Half e_machine; - Elf64_Word e_version; - Elf64_Addr e_entry; /* Entry point virtual address */ - Elf64_Off e_phoff; /* Program header table file offset */ - Elf64_Off e_shoff; /* Section header table file offset */ - Elf64_Word e_flags; - Elf64_Half e_ehsize; - Elf64_Half e_phentsize; - Elf64_Half e_phnum; - Elf64_Half e_shentsize; - Elf64_Half e_shnum; - Elf64_Half e_shstrndx; -} Elf64_Ehdr; - -/* These constants define the permissions on sections in the program - header, p_flags. */ -#define PF_R 0x4 -#define PF_W 0x2 -#define PF_X 0x1 - -typedef struct elf32_phdr { - Elf32_Word p_type; - Elf32_Off p_offset; - Elf32_Addr p_vaddr; - Elf32_Addr p_paddr; - Elf32_Word p_filesz; - Elf32_Word p_memsz; - Elf32_Word p_flags; - Elf32_Word p_align; -} Elf32_Phdr; - -typedef struct elf64_phdr { - Elf64_Word p_type; - Elf64_Word p_flags; - Elf64_Off p_offset; /* Segment file offset */ - Elf64_Addr p_vaddr; /* Segment virtual address */ - Elf64_Addr p_paddr; /* Segment physical address */ - Elf64_Xword p_filesz; /* Segment size in file */ - Elf64_Xword p_memsz; /* Segment size in memory */ - Elf64_Xword p_align; /* Segment alignment, file & memory */ -} Elf64_Phdr; - -#define EI_MAG0 0 /* e_ident[] indexes */ -#define EI_MAG1 1 -#define EI_MAG2 2 -#define EI_MAG3 3 -#define EI_CLASS 4 -#define EI_DATA 5 -#define EI_VERSION 6 -#define EI_OSABI 7 -#define EI_PAD 8 - -#define ELFMAG0 0x7f /* EI_MAG */ -#define ELFMAG1 'E' -#define ELFMAG2 'L' -#define ELFMAG3 'F' -#define ELFMAG "\177ELF" -#define SELFMAG 4 - -#define ELFCLASSNONE 0 /* EI_CLASS */ -#define ELFCLASS32 1 -#define ELFCLASS64 2 -#define ELFCLASSNUM 3 - -#define ELFDATANONE 0 /* e_ident[EI_DATA] */ -#define ELFDATA2LSB 1 -#define ELFDATA2MSB 2 - -#define EV_NONE 0 /* e_version, EI_VERSION */ -#define EV_CURRENT 1 -#define EV_NUM 2 - -#define ELFOSABI_NONE 0 -#define ELFOSABI_LINUX 3 - -#endif /* _PPC_BOOT_ELF_H_ */ diff --git a/arch/ppc64/boot/install.sh b/arch/ppc64/boot/install.sh deleted file mode 100644 index eacce959081..00000000000 --- a/arch/ppc64/boot/install.sh +++ /dev/null @@ -1,42 +0,0 @@ -#!/bin/sh -# -# arch/ppc64/boot/install.sh -# -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. |