diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/boot')
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/Makefile | 116 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/bootloader.lds | 24 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/bootp.c | 214 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/bootpz.c | 475 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/head.S | 122 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/main.c | 191 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/misc.c | 173 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/tools/mkbb.c | 152 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/tools/objstrip.c | 280 |
9 files changed, 0 insertions, 1747 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/boot/Makefile b/ANDROID_3.4.5/arch/alpha/boot/Makefile deleted file mode 100644 index cd143887..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/Makefile +++ /dev/null @@ -1,116 +0,0 @@ -# -# arch/alpha/boot/Makefile -# -# 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. -# -# Copyright (C) 1994 by Linus Torvalds -# - -hostprogs-y := tools/mkbb tools/objstrip -targets := vmlinux.gz vmlinux \ - vmlinux.nh tools/lxboot tools/bootlx tools/bootph \ - tools/bootpzh bootloader bootpheader bootpzheader -OBJSTRIP := $(obj)/tools/objstrip - -# SRM bootable image. Copy to offset 512 of a partition. -$(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh - ( cat $(obj)/tools/lxboot $(obj)/tools/bootlx $(obj)/vmlinux.nh ) > $@ - $(obj)/tools/mkbb $@ $(obj)/tools/lxboot - @echo ' Bootimage $@ is ready' - -# BOOTP bootable image. Define INITRD during make to append initrd image. -$(obj)/bootpfile: $(obj)/tools/bootph $(obj)/vmlinux.nh - cat $(obj)/tools/bootph $(obj)/vmlinux.nh > $@ -ifdef INITRD - cat $(INITRD) >> $@ -endif - -# Compressed kernel BOOTP bootable image. -# Define INITRD during make to append initrd image. -$(obj)/bootpzfile: $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz - cat $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz > $@ -ifdef INITRD - cat $(INITRD) >> $@ -endif - -# Compressed kernel image -$(obj)/vmlinux.gz: $(obj)/vmlinux FORCE - $(call if_changed,gzip) - @echo ' Kernel $@ is ready' - -$(obj)/main.o: $(obj)/ksize.h -$(obj)/bootp.o: $(obj)/ksize.h -$(obj)/bootpz.o: $(obj)/kzsize.h - -$(obj)/ksize.h: $(obj)/vmlinux.nh FORCE - echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T -ifdef INITRD - [ -f $(INITRD) ] || exit 1 - echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T -endif - cmp -s $@T $@ || mv -f $@T $@ - rm -f $@T - -$(obj)/kzsize.h: $(obj)/vmlinux.nh.gz FORCE - echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T - echo "#define KERNEL_Z_SIZE `ls -l $(obj)/vmlinux.nh.gz | awk '{print $$5}'`" >> $@T -ifdef INITRD - [ -f $(INITRD) ] || exit 1 - echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T -endif - cmp -s $@T $@ || mv -f $@T $@ - rm -f $@T - -quiet_cmd_strip = STRIP $@ - cmd_strip = $(STRIP) -o $@ $< - -$(obj)/vmlinux: vmlinux FORCE - $(call if_changed,strip) - -quiet_cmd_objstrip = OBJSTRIP $@ - cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@ - -OSFLAGS_vmlinux.nh := -v -OSFLAGS_lxboot := -p -OSFLAGS_bootlx := -vb -OSFLAGS_bootph := -vb -OSFLAGS_bootpzh := -vb - -$(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE - $(call if_changed,objstrip) - -$(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE - $(call if_changed,gzip) - -$(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE - $(call if_changed,objstrip) - -$(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE - $(call if_changed,objstrip) - -$(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE - $(call if_changed,objstrip) - -$(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE - $(call if_changed,objstrip) - -LDFLAGS_bootloader := -static -uvsprintf -T #-N -relax -LDFLAGS_bootpheader := -static -uvsprintf -T #-N -relax -LDFLAGS_bootpzheader := -static -uvsprintf -T #-N -relax - -OBJ_bootlx := $(obj)/head.o $(obj)/main.o -OBJ_bootph := $(obj)/head.o $(obj)/bootp.o -OBJ_bootpzh := $(obj)/head.o $(obj)/bootpz.o $(obj)/misc.o - -$(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE - $(call if_changed,ld) - -$(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE - $(call if_changed,ld) - -$(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE - $(call if_changed,ld) - -$(obj)/misc.o: lib/inflate.c diff --git a/ANDROID_3.4.5/arch/alpha/boot/bootloader.lds b/ANDROID_3.4.5/arch/alpha/boot/bootloader.lds deleted file mode 100644 index 31c081ce..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/bootloader.lds +++ /dev/null @@ -1,24 +0,0 @@ -OUTPUT_FORMAT("elf64-alpha") -ENTRY(__start) -printk = srm_printk; -SECTIONS -{ - . = 0x20000000; - .text : { *(.text) } - _etext = .; - PROVIDE (etext = .); - .rodata : { *(.rodata) *(.rodata.*) } - .data : { *(.data) CONSTRUCTORS } - .got : { *(.got) } - .sdata : { *(.sdata) } - _edata = .; - PROVIDE (edata = .); - .sbss : { *(.sbss) *(.scommon) } - .bss : { *(.bss) *(COMMON) } - _end = . ; - PROVIDE (end = .); - - .mdebug 0 : { *(.mdebug) } - .note 0 : { *(.note) } - .comment 0 : { *(.comment) } -} diff --git a/ANDROID_3.4.5/arch/alpha/boot/bootp.c b/ANDROID_3.4.5/arch/alpha/boot/bootp.c deleted file mode 100644 index 2a542a50..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/bootp.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * arch/alpha/boot/bootp.c - * - * Copyright (C) 1997 Jay Estabrook - * - * This file is used for creating a bootp file for the Linux/AXP kernel - * - * based significantly on the arch/alpha/boot/main.c of Linus Torvalds - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <generated/utsrelease.h> -#include <linux/mm.h> - -#include <asm/console.h> -#include <asm/hwrpb.h> -#include <asm/pgtable.h> -#include <asm/io.h> - -#include <stdarg.h> - -#include "ksize.h" - -extern unsigned long switch_to_osf_pal(unsigned long nr, - struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa, - unsigned long *vptb); - -extern void move_stack(unsigned long new_stack); - -struct hwrpb_struct *hwrpb = INIT_HWRPB; -static struct pcb_struct pcb_va[1]; - -/* - * Find a physical address of a virtual object.. - * - * This is easy using the virtual page table address. - */ - -static inline void * -find_pa(unsigned long *vptb, void *ptr) -{ - unsigned long address = (unsigned long) ptr; - unsigned long result; - - result = vptb[address >> 13]; - result >>= 32; - result <<= 13; - result |= address & 0x1fff; - return (void *) result; -} - -/* - * This function moves into OSF/1 pal-code, and has a temporary - * PCB for that. The kernel proper should replace this PCB with - * the real one as soon as possible. - * - * The page table muckery in here depends on the fact that the boot - * code has the L1 page table identity-map itself in the second PTE - * in the L1 page table. Thus the L1-page is virtually addressable - * itself (through three levels) at virtual address 0x200802000. - */ - -#define VPTB ((unsigned long *) 0x200000000) -#define L1 ((unsigned long *) 0x200802000) - -void -pal_init(void) -{ - unsigned long i, rev; - struct percpu_struct * percpu; - struct pcb_struct * pcb_pa; - - /* Create the dummy PCB. */ - pcb_va->ksp = 0; - pcb_va->usp = 0; - pcb_va->ptbr = L1[1] >> 32; - pcb_va->asn = 0; - pcb_va->pcc = 0; - pcb_va->unique = 0; - pcb_va->flags = 1; - pcb_va->res1 = 0; - pcb_va->res2 = 0; - pcb_pa = find_pa(VPTB, pcb_va); - - /* - * a0 = 2 (OSF) - * a1 = return address, but we give the asm the vaddr of the PCB - * a2 = physical addr of PCB - * a3 = new virtual page table pointer - * a4 = KSP (but the asm sets it) - */ - srm_printk("Switching to OSF PAL-code .. "); - - i = switch_to_osf_pal(2, pcb_va, pcb_pa, VPTB); - if (i) { - srm_printk("failed, code %ld\n", i); - __halt(); - } - - percpu = (struct percpu_struct *) - (INIT_HWRPB->processor_offset + (unsigned long) INIT_HWRPB); - rev = percpu->pal_revision = percpu->palcode_avail[2]; - - srm_printk("Ok (rev %lx)\n", rev); - - tbia(); /* do it directly in case we are SMP */ -} - -static inline void -load(unsigned long dst, unsigned long src, unsigned long count) -{ - memcpy((void *)dst, (void *)src, count); -} - -/* - * Start the kernel. - */ -static inline void -runkernel(void) -{ - __asm__ __volatile__( - "bis %0,%0,$27\n\t" - "jmp ($27)" - : /* no outputs: it doesn't even return */ - : "r" (START_ADDR)); -} - -extern char _end; -#define KERNEL_ORIGIN \ - ((((unsigned long)&_end) + 511) & ~511) - -void -start_kernel(void) -{ - /* - * Note that this crufty stuff with static and envval - * and envbuf is because: - * - * 1. Frequently, the stack is short, and we don't want to overrun; - * 2. Frequently the stack is where we are going to copy the kernel to; - * 3. A certain SRM console required the GET_ENV output to stack. - * ??? A comment in the aboot sources indicates that the GET_ENV - * destination must be quadword aligned. Might this explain the - * behaviour, rather than requiring output to the stack, which - * seems rather far-fetched. - */ - static long nbytes; - static char envval[256] __attribute__((aligned(8))); - static unsigned long initrd_start; - - srm_printk("Linux/AXP bootp loader for Linux " UTS_RELEASE "\n"); - if (INIT_HWRPB->pagesize != 8192) { - srm_printk("Expected 8kB pages, got %ldkB\n", - INIT_HWRPB->pagesize >> 10); - return; - } - if (INIT_HWRPB->vptb != (unsigned long) VPTB) { - srm_printk("Expected vptb at %p, got %p\n", - VPTB, (void *)INIT_HWRPB->vptb); - return; - } - pal_init(); - - /* The initrd must be page-aligned. See below for the - cause of the magic number 5. */ - initrd_start = ((START_ADDR + 5*KERNEL_SIZE + PAGE_SIZE) | - (PAGE_SIZE-1)) + 1; -#ifdef INITRD_IMAGE_SIZE - srm_printk("Initrd positioned at %#lx\n", initrd_start); -#endif - - /* - * Move the stack to a safe place to ensure it won't be - * overwritten by kernel image. - */ - move_stack(initrd_start - PAGE_SIZE); - - nbytes = callback_getenv(ENV_BOOTED_OSFLAGS, envval, sizeof(envval)); - if (nbytes < 0 || nbytes >= sizeof(envval)) { - nbytes = 0; - } - envval[nbytes] = '\0'; - srm_printk("Loading the kernel...'%s'\n", envval); - - /* NOTE: *no* callbacks or printouts from here on out!!! */ - - /* This is a hack, as some consoles seem to get virtual 20000000 (ie - * where the SRM console puts the kernel bootp image) memory - * overlapping physical memory where the kernel wants to be put, - * which causes real problems when attempting to copy the former to - * the latter... :-( - * - * So, we first move the kernel virtual-to-physical way above where - * we physically want the kernel to end up, then copy it from there - * to its final resting place... ;-} - * - * Sigh... */ - -#ifdef INITRD_IMAGE_SIZE - load(initrd_start, KERNEL_ORIGIN+KERNEL_SIZE, INITRD_IMAGE_SIZE); -#endif - load(START_ADDR+(4*KERNEL_SIZE), KERNEL_ORIGIN, KERNEL_SIZE); - load(START_ADDR, START_ADDR+(4*KERNEL_SIZE), KERNEL_SIZE); - - memset((char*)ZERO_PGE, 0, PAGE_SIZE); - strcpy((char*)ZERO_PGE, envval); -#ifdef INITRD_IMAGE_SIZE - ((long *)(ZERO_PGE+256))[0] = initrd_start; - ((long *)(ZERO_PGE+256))[1] = INITRD_IMAGE_SIZE; -#endif - - runkernel(); -} diff --git a/ANDROID_3.4.5/arch/alpha/boot/bootpz.c b/ANDROID_3.4.5/arch/alpha/boot/bootpz.c deleted file mode 100644 index d6ad1916..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/bootpz.c +++ /dev/null @@ -1,475 +0,0 @@ -/* - * arch/alpha/boot/bootpz.c - * - * Copyright (C) 1997 Jay Estabrook - * - * This file is used for creating a compressed BOOTP file for the - * Linux/AXP kernel - * - * based significantly on the arch/alpha/boot/main.c of Linus Torvalds - * and the decompression code from MILO. - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <generated/utsrelease.h> -#include <linux/mm.h> - -#include <asm/console.h> -#include <asm/hwrpb.h> -#include <asm/pgtable.h> -#include <asm/io.h> - -#include <stdarg.h> - -#include "kzsize.h" - -/* FIXME FIXME FIXME */ -#define MALLOC_AREA_SIZE 0x200000 /* 2MB for now */ -/* FIXME FIXME FIXME */ - - -/* - WARNING NOTE - - It is very possible that turning on additional messages may cause - kernel image corruption due to stack usage to do the printing. - -*/ - -#undef DEBUG_CHECK_RANGE -#undef DEBUG_ADDRESSES -#undef DEBUG_LAST_STEPS - -extern unsigned long switch_to_osf_pal(unsigned long nr, - struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa, - unsigned long *vptb); - -extern int decompress_kernel(void* destination, void *source, - size_t ksize, size_t kzsize); - -extern void move_stack(unsigned long new_stack); - -struct hwrpb_struct *hwrpb = INIT_HWRPB; -static struct pcb_struct pcb_va[1]; - -/* - * Find a physical address of a virtual object.. - * - * This is easy using the virtual page table address. - */ -#define VPTB ((unsigned long *) 0x200000000) - -static inline unsigned long -find_pa(unsigned long address) -{ - unsigned long result; - - result = VPTB[address >> 13]; - result >>= 32; - result <<= 13; - result |= address & 0x1fff; - return result; -} - -int -check_range(unsigned long vstart, unsigned long vend, - unsigned long kstart, unsigned long kend) -{ - unsigned long vaddr, kaddr; - -#ifdef DEBUG_CHECK_RANGE - srm_printk("check_range: V[0x%lx:0x%lx] K[0x%lx:0x%lx]\n", - vstart, vend, kstart, kend); -#endif - /* do some range checking for detecting an overlap... */ - for (vaddr = vstart; vaddr <= vend; vaddr += PAGE_SIZE) - { - kaddr = (find_pa(vaddr) | PAGE_OFFSET); - if (kaddr >= kstart && kaddr <= kend) - { -#ifdef DEBUG_CHECK_RANGE - srm_printk("OVERLAP: vaddr 0x%lx kaddr 0x%lx" - " [0x%lx:0x%lx]\n", - vaddr, kaddr, kstart, kend); -#endif - return 1; - } - } - return 0; -} - -/* - * This function moves into OSF/1 pal-code, and has a temporary - * PCB for that. The kernel proper should replace this PCB with - * the real one as soon as possible. - * - * The page table muckery in here depends on the fact that the boot - * code has the L1 page table identity-map itself in the second PTE - * in the L1 page table. Thus the L1-page is virtually addressable - * itself (through three levels) at virtual address 0x200802000. - */ - -#define L1 ((unsigned long *) 0x200802000) - -void -pal_init(void) -{ - unsigned long i, rev; - struct percpu_struct * percpu; - struct pcb_struct * pcb_pa; - - /* Create the dummy PCB. */ - pcb_va->ksp = 0; - pcb_va->usp = 0; - pcb_va->ptbr = L1[1] >> 32; - pcb_va->asn = 0; - pcb_va->pcc = 0; - pcb_va->unique = 0; - pcb_va->flags = 1; - pcb_va->res1 = 0; - pcb_va->res2 = 0; - pcb_pa = (struct pcb_struct *)find_pa((unsigned long)pcb_va); - - /* - * a0 = 2 (OSF) - * a1 = return address, but we give the asm the vaddr of the PCB - * a2 = physical addr of PCB - * a3 = new virtual page table pointer - * a4 = KSP (but the asm sets it) - */ - srm_printk("Switching to OSF PAL-code... "); - - i = switch_to_osf_pal(2, pcb_va, pcb_pa, VPTB); - if (i) { - srm_printk("failed, code %ld\n", i); - __halt(); - } - - percpu = (struct percpu_struct *) - (INIT_HWRPB->processor_offset + (unsigned long) INIT_HWRPB); - rev = percpu->pal_revision = percpu->palcode_avail[2]; - - srm_printk("OK (rev %lx)\n", rev); - - tbia(); /* do it directly in case we are SMP */ -} - -/* - * Start the kernel. - */ -static inline void -runkernel(void) -{ - __asm__ __volatile__( - "bis %0,%0,$27\n\t" - "jmp ($27)" - : /* no outputs: it doesn't even return */ - : "r" (START_ADDR)); -} - -/* Must record the SP (it is virtual) on entry, so we can make sure - not to overwrite it during movement or decompression. */ -unsigned long SP_on_entry; - -/* Calculate the kernel image address based on the end of the BOOTP - bootstrapper (ie this program). -*/ -extern char _end; -#define KERNEL_ORIGIN \ - ((((unsigned long)&_end) + 511) & ~511) - -/* Round address to next higher page boundary. */ -#define NEXT_PAGE(a) (((a) | (PAGE_SIZE - 1)) + 1) - -#ifdef INITRD_IMAGE_SIZE -# define REAL_INITRD_SIZE INITRD_IMAGE_SIZE -#else -# define REAL_INITRD_SIZE 0 -#endif - -/* Defines from include/asm-alpha/system.h - - BOOT_ADDR Virtual address at which the consoles loads - the BOOTP image. - - KERNEL_START KSEG address at which the kernel is built to run, - which includes some initial data pages before the - code. - - START_ADDR KSEG address of the entry point of kernel code. - - ZERO_PGE KSEG address of page full of zeroes, but - upon entry to kerne cvan be expected - to hold the parameter list and possible - INTRD information. - - These are used in the local defines below. -*/ - - -/* Virtual addresses for the BOOTP image. Note that this includes the - bootstrapper code as well as the compressed kernel image, and - possibly the INITRD image. - - Oh, and do NOT forget the STACK, which appears to be placed virtually - beyond the end of the loaded image. -*/ -#define V_BOOT_IMAGE_START BOOT_ADDR -#define V_BOOT_IMAGE_END SP_on_entry - -/* Virtual addresses for just the bootstrapper part of the BOOTP image. */ -#define V_BOOTSTRAPPER_START BOOT_ADDR -#define V_BOOTSTRAPPER_END KERNEL_ORIGIN - -/* Virtual addresses for just the data part of the BOOTP - image. This may also include the INITRD image, but always - includes the STACK. -*/ -#define V_DATA_START KERNEL_ORIGIN -#define V_INITRD_START (KERNEL_ORIGIN + KERNEL_Z_SIZE) -#define V_INTRD_END (V_INITRD_START + REAL_INITRD_SIZE) -#define V_DATA_END V_BOOT_IMAGE_END - -/* KSEG addresses for the uncompressed kernel. - - Note that the end address includes workspace for the decompression. - Note also that the DATA_START address is ZERO_PGE, to which we write - just before jumping to the kernel image at START_ADDR. - */ -#define K_KERNEL_DATA_START ZERO_PGE -#define K_KERNEL_IMAGE_START START_ADDR -#define K_KERNEL_IMAGE_END (START_ADDR + KERNEL_SIZE) - -/* Define to where we may have to decompress the kernel image, before - we move it to the final position, in case of overlap. This will be - above the final position of the kernel. - - Regardless of overlap, we move the INITRD image to the end of this - copy area, because there needs to be a buffer area after the kernel - for "bootmem" anyway. -*/ -#define K_COPY_IMAGE_START NEXT_PAGE(K_KERNEL_IMAGE_END) -/* Reserve one page below INITRD for the new stack. */ -#define K_INITRD_START \ - NEXT_PAGE(K_COPY_IMAGE_START + KERNEL_SIZE + PAGE_SIZE) -#define K_COPY_IMAGE_END \ - (K_INITRD_START + REAL_INITRD_SIZE + MALLOC_AREA_SIZE) -#define K_COPY_IMAGE_SIZE \ - NEXT_PAGE(K_COPY_IMAGE_END - K_COPY_IMAGE_START) - -void -start_kernel(void) -{ - int must_move = 0; - - /* Initialize these for the decompression-in-place situation, - which is the smallest amount of work and most likely to - occur when using the normal START_ADDR of the kernel - (currently set to 16MB, to clear all console code. - */ - unsigned long uncompressed_image_start = K_KERNEL_IMAGE_START; - unsigned long uncompressed_image_end = K_KERNEL_IMAGE_END; - - unsigned long initrd_image_start = K_INITRD_START; - - /* - * Note that this crufty stuff with static and envval - * and envbuf is because: - * - * 1. Frequently, the stack is short, and we don't want to overrun; - * 2. Frequently the stack is where we are going to copy the kernel to; - * 3. A certain SRM console required the GET_ENV output to stack. - * ??? A comment in the aboot sources indicates that the GET_ENV - * destination must be quadword aligned. Might this explain the - * behaviour, rather than requiring output to the stack, which - * seems rather far-fetched. - */ - static long nbytes; - static char envval[256] __attribute__((aligned(8))); - register unsigned long asm_sp asm("30"); - - SP_on_entry = asm_sp; - - srm_printk("Linux/Alpha BOOTPZ Loader for Linux " UTS_RELEASE "\n"); - - /* Validity check the HWRPB. */ - if (INIT_HWRPB->pagesize != 8192) { - srm_printk("Expected 8kB pages, got %ldkB\n", - INIT_HWRPB->pagesize >> 10); - return; - } - if (INIT_HWRPB->vptb != (unsigned long) VPTB) { - srm_printk("Expected vptb at %p, got %p\n", - VPTB, (void *)INIT_HWRPB->vptb); - return; - } - - /* PALcode (re)initialization. */ - pal_init(); - - /* Get the parameter list from the console environment variable. */ - nbytes = callback_getenv(ENV_BOOTED_OSFLAGS, envval, sizeof(envval)); - if (nbytes < 0 || nbytes >= sizeof(envval)) { - nbytes = 0; - } - envval[nbytes] = '\0'; - -#ifdef DEBUG_ADDRESSES - srm_printk("START_ADDR 0x%lx\n", START_ADDR); - srm_printk("KERNEL_ORIGIN 0x%lx\n", KERNEL_ORIGIN); - srm_printk("KERNEL_SIZE 0x%x\n", KERNEL_SIZE); - srm_printk("KERNEL_Z_SIZE 0x%x\n", KERNEL_Z_SIZE); -#endif - - /* Since all the SRM consoles load the BOOTP image at virtual - * 0x20000000, we have to ensure that the physical memory - * pages occupied by that image do NOT overlap the physical - * address range where the kernel wants to be run. This - * causes real problems when attempting to cdecompress the - * former into the latter... :-( - * - * So, we may have to decompress/move the kernel/INITRD image - * virtual-to-physical someplace else first before moving - * kernel /INITRD to their final resting places... ;-} - * - * Sigh... - */ - - /* First, check to see if the range of addresses occupied by - the bootstrapper part of the BOOTP image include any of the - physical pages into which the kernel will be placed for - execution. - - We only need check on the final kernel image range, since we - will put the INITRD someplace that we can be sure is not - in conflict. - */ - if (check_range(V_BOOTSTRAPPER_START, V_BOOTSTRAPPER_END, - K_KERNEL_DATA_START, K_KERNEL_IMAGE_END)) - { - srm_printk("FATAL ERROR: overlap of bootstrapper code\n"); - __halt(); - } - - /* Next, check to see if the range of addresses occupied by - the compressed kernel/INITRD/stack portion of the BOOTP - image include any of the physical pages into which the - decompressed kernel or the INITRD will be placed for - execution. - */ - if (check_range(V_DATA_START, V_DATA_END, - K_KERNEL_IMAGE_START, K_COPY_IMAGE_END)) - { -#ifdef DEBUG_ADDRESSES - srm_printk("OVERLAP: cannot decompress in place\n"); -#endif - uncompressed_image_start = K_COPY_IMAGE_START; - uncompressed_image_end = K_COPY_IMAGE_END; - must_move = 1; - - /* Finally, check to see if the range of addresses - occupied by the compressed kernel/INITRD part of - the BOOTP image include any of the physical pages - into which that part is to be copied for - decompression. - */ - while (check_range(V_DATA_START, V_DATA_END, - uncompressed_image_start, - uncompressed_image_end)) - { -#if 0 - uncompressed_image_start += K_COPY_IMAGE_SIZE; - uncompressed_image_end += K_COPY_IMAGE_SIZE; - initrd_image_start += K_COPY_IMAGE_SIZE; -#else - /* Keep as close as possible to end of BOOTP image. */ - uncompressed_image_start += PAGE_SIZE; - uncompressed_image_end += PAGE_SIZE; - initrd_image_start += PAGE_SIZE; -#endif - } - } - - srm_printk("Starting to load the kernel with args '%s'\n", envval); - -#ifdef DEBUG_ADDRESSES - srm_printk("Decompressing the kernel...\n" - "...from 0x%lx to 0x%lx size 0x%x\n", - V_DATA_START, - uncompressed_image_start, - KERNEL_SIZE); -#endif - decompress_kernel((void *)uncompressed_image_start, - (void *)V_DATA_START, - KERNEL_SIZE, KERNEL_Z_SIZE); - - /* - * Now, move things to their final positions, if/as required. - */ - -#ifdef INITRD_IMAGE_SIZE - - /* First, we always move the INITRD image, if present. */ -#ifdef DEBUG_ADDRESSES - srm_printk("Moving the INITRD image...\n" - " from 0x%lx to 0x%lx size 0x%x\n", - V_INITRD_START, - initrd_image_start, - INITRD_IMAGE_SIZE); -#endif - memcpy((void *)initrd_image_start, (void *)V_INITRD_START, - INITRD_IMAGE_SIZE); - -#endif /* INITRD_IMAGE_SIZE */ - - /* Next, we may have to move the uncompressed kernel to the - final destination. - */ - if (must_move) { -#ifdef DEBUG_ADDRESSES - srm_printk("Moving the uncompressed kernel...\n" - "...from 0x%lx to 0x%lx size 0x%x\n", - uncompressed_image_start, - K_KERNEL_IMAGE_START, - (unsigned)KERNEL_SIZE); -#endif - /* - * Move the stack to a safe place to ensure it won't be - * overwritten by kernel image. - */ - move_stack(initrd_image_start - PAGE_SIZE); - - memcpy((void *)K_KERNEL_IMAGE_START, - (void *)uncompressed_image_start, KERNEL_SIZE); - } - - /* Clear the zero page, then move the argument list in. */ -#ifdef DEBUG_LAST_STEPS - srm_printk("Preparing ZERO_PGE...\n"); -#endif - memset((char*)ZERO_PGE, 0, PAGE_SIZE); - strcpy((char*)ZERO_PGE, envval); - -#ifdef INITRD_IMAGE_SIZE - -#ifdef DEBUG_LAST_STEPS - srm_printk("Preparing INITRD info...\n"); -#endif - /* Finally, set the INITRD paramenters for the kernel. */ - ((long *)(ZERO_PGE+256))[0] = initrd_image_start; - ((long *)(ZERO_PGE+256))[1] = INITRD_IMAGE_SIZE; - -#endif /* INITRD_IMAGE_SIZE */ - -#ifdef DEBUG_LAST_STEPS - srm_printk("Doing 'runkernel()'...\n"); -#endif - runkernel(); -} - - /* dummy function, should never be called. */ -void *__kmalloc(size_t size, gfp_t flags) -{ - return (void *)NULL; -} diff --git a/ANDROID_3.4.5/arch/alpha/boot/head.S b/ANDROID_3.4.5/arch/alpha/boot/head.S deleted file mode 100644 index b06812bc..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/head.S +++ /dev/null @@ -1,122 +0,0 @@ -/* - * arch/alpha/boot/head.S - * - * initial bootloader stuff.. - */ - - - .set noreorder - .globl __start - .ent __start -__start: - br $29,2f -2: ldgp $29,0($29) - jsr $26,start_kernel - call_pal PAL_halt - .end __start - - .align 5 - .globl wrent - .ent wrent -wrent: - .prologue 0 - call_pal PAL_wrent - ret ($26) - .end wrent - - .align 5 - .globl wrkgp - .ent wrkgp -wrkgp: - .prologue 0 - call_pal PAL_wrkgp - ret ($26) - .end wrkgp - - .align 5 - .globl switch_to_osf_pal - .ent switch_to_osf_pal -switch_to_osf_pal: - subq $30,128,$30 - .frame $30,128,$26 - stq $26,0($30) - stq $1,8($30) - stq $2,16($30) - stq $3,24($30) - stq $4,32($30) - stq $5,40($30) - stq $6,48($30) - stq $7,56($30) - stq $8,64($30) - stq $9,72($30) - stq $10,80($30) - stq $11,88($30) - stq $12,96($30) - stq $13,104($30) - stq $14,112($30) - stq $15,120($30) - .prologue 0 - - stq $30,0($17) /* save KSP in PCB */ - - bis $30,$30,$20 /* a4 = KSP */ - br $17,1f - - ldq $26,0($30) - ldq $1,8($30) - ldq $2,16($30) - ldq $3,24($30) - ldq $4,32($30) - ldq $5,40($30) - ldq $6,48($30) - ldq $7,56($30) - ldq $8,64($30) - ldq $9,72($30) - ldq $10,80($30) - ldq $11,88($30) - ldq $12,96($30) - ldq $13,104($30) - ldq $14,112($30) - ldq $15,120($30) - addq $30,128,$30 - ret ($26) -1: call_pal PAL_swppal - .end switch_to_osf_pal - - .align 3 - .globl tbi - .ent tbi -tbi: - .prologue 0 - call_pal PAL_tbi - ret ($26) - .end tbi - - .align 3 - .globl halt - .ent halt -halt: - .prologue 0 - call_pal PAL_halt - .end halt - -/* $16 - new stack page */ - .align 3 - .globl move_stack - .ent move_stack -move_stack: - .prologue 0 - lda $0, 0x1fff($31) - and $0, $30, $1 /* Stack offset */ - or $1, $16, $16 /* New stack pointer */ - mov $30, $1 - mov $16, $2 -1: ldq $3, 0($1) /* Move the stack */ - addq $1, 8, $1 - stq $3, 0($2) - and $0, $1, $4 - addq $2, 8, $2 - bne $4, 1b - mov $16, $30 - ret ($26) - .end move_stack diff --git a/ANDROID_3.4.5/arch/alpha/boot/main.c b/ANDROID_3.4.5/arch/alpha/boot/main.c deleted file mode 100644 index 3baf2d1e..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/main.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * arch/alpha/boot/main.c - * - * Copyright (C) 1994, 1995 Linus Torvalds - * - * This file is the bootloader for the Linux/AXP kernel - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <generated/utsrelease.h> -#include <linux/mm.h> - -#include <asm/console.h> -#include <asm/hwrpb.h> -#include <asm/pgtable.h> - -#include <stdarg.h> - -#include "ksize.h" - -extern int vsprintf(char *, const char *, va_list); -extern unsigned long switch_to_osf_pal(unsigned long nr, - struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa, - unsigned long *vptb); -struct hwrpb_struct *hwrpb = INIT_HWRPB; -static struct pcb_struct pcb_va[1]; - -/* - * Find a physical address of a virtual object.. - * - * This is easy using the virtual page table address. - */ - -static inline void * -find_pa(unsigned long *vptb, void *ptr) -{ - unsigned long address = (unsigned long) ptr; - unsigned long result; - - result = vptb[address >> 13]; - result >>= 32; - result <<= 13; - result |= address & 0x1fff; - return (void *) result; -} - -/* - * This function moves into OSF/1 pal-code, and has a temporary - * PCB for that. The kernel proper should replace this PCB with - * the real one as soon as possible. - * - * The page table muckery in here depends on the fact that the boot - * code has the L1 page table identity-map itself in the second PTE - * in the L1 page table. Thus the L1-page is virtually addressable - * itself (through three levels) at virtual address 0x200802000. - */ - -#define VPTB ((unsigned long *) 0x200000000) -#define L1 ((unsigned long *) 0x200802000) - -void -pal_init(void) -{ - unsigned long i, rev; - struct percpu_struct * percpu; - struct pcb_struct * pcb_pa; - - /* Create the dummy PCB. */ - pcb_va->ksp = 0; - pcb_va->usp = 0; - pcb_va->ptbr = L1[1] >> 32; - pcb_va->asn = 0; - pcb_va->pcc = 0; - pcb_va->unique = 0; - pcb_va->flags = 1; - pcb_va->res1 = 0; - pcb_va->res2 = 0; - pcb_pa = find_pa(VPTB, pcb_va); - - /* - * a0 = 2 (OSF) - * a1 = return address, but we give the asm the vaddr of the PCB - * a2 = physical addr of PCB - * a3 = new virtual page table pointer - * a4 = KSP (but the asm sets it) - */ - srm_printk("Switching to OSF PAL-code .. "); - - i = switch_to_osf_pal(2, pcb_va, pcb_pa, VPTB); - if (i) { - srm_printk("failed, code %ld\n", i); - __halt(); - } - - percpu = (struct percpu_struct *) - (INIT_HWRPB->processor_offset + (unsigned long) INIT_HWRPB); - rev = percpu->pal_revision = percpu->palcode_avail[2]; - - srm_printk("Ok (rev %lx)\n", rev); - - tbia(); /* do it directly in case we are SMP */ -} - -static inline long openboot(void) -{ - char bootdev[256]; - long result; - - result = callback_getenv(ENV_BOOTED_DEV, bootdev, 255); - if (result < 0) - return result; - return callback_open(bootdev, result & 255); -} - -static inline long close(long dev) -{ - return callback_close(dev); -} - -static inline long load(long dev, unsigned long addr, unsigned long count) -{ - char bootfile[256]; - extern char _end; - long result, boot_size = &_end - (char *) BOOT_ADDR; - - result = callback_getenv(ENV_BOOTED_FILE, bootfile, 255); - if (result < 0) - return result; - result &= 255; - bootfile[result] = '\0'; - if (result) - srm_printk("Boot file specification (%s) not implemented\n", - bootfile); - return callback_read(dev, count, (void *)addr, boot_size/512 + 1); -} - -/* - * Start the kernel. - */ -static void runkernel(void) -{ - __asm__ __volatile__( - "bis %1,%1,$30\n\t" - "bis %0,%0,$26\n\t" - "ret ($26)" - : /* no outputs: it doesn't even return */ - : "r" (START_ADDR), - "r" (PAGE_SIZE + INIT_STACK)); -} - -void start_kernel(void) -{ - long i; - long dev; - int nbytes; - char envval[256]; - - srm_printk("Linux/AXP bootloader for Linux " UTS_RELEASE "\n"); - if (INIT_HWRPB->pagesize != 8192) { - srm_printk("Expected 8kB pages, got %ldkB\n", INIT_HWRPB->pagesize >> 10); - return; - } - pal_init(); - dev = openboot(); - if (dev < 0) { - srm_printk("Unable to open boot device: %016lx\n", dev); - return; - } - dev &= 0xffffffff; - srm_printk("Loading vmlinux ..."); - i = load(dev, START_ADDR, KERNEL_SIZE); - close(dev); - if (i != KERNEL_SIZE) { - srm_printk("Failed (%lx)\n", i); - return; - } - - nbytes = callback_getenv(ENV_BOOTED_OSFLAGS, envval, sizeof(envval)); - if (nbytes < 0) { - nbytes = 0; - } - envval[nbytes] = '\0'; - strcpy((char*)ZERO_PGE, envval); - - srm_printk(" Ok\nNow booting the kernel\n"); - runkernel(); - for (i = 0 ; i < 0x100000000 ; i++) - /* nothing */; - __halt(); -} diff --git a/ANDROID_3.4.5/arch/alpha/boot/misc.c b/ANDROID_3.4.5/arch/alpha/boot/misc.c deleted file mode 100644 index 3ff9a957..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/misc.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * misc.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * - * Modified for ARM Linux by Russell King - * - * Nicolas Pitre <nico@visuaide.com> 1999/04/14 : - * For this code to run directly from Flash, all constant variables must - * be marked with 'const' and all other variables initialized at run-time - * only. This way all non constant variables will end up in the bss segment, - * which should point to addresses in RAM and cleared to 0 on start. - * This allows for a much quicker boot time. - * - * Modified for Alpha, from the ARM version, by Jay Estabrook 2003. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <asm/uaccess.h> - -#define memzero(s,n) memset ((s),0,(n)) -#define puts srm_printk -extern long srm_printk(const char *, ...) - __attribute__ ((format (printf, 1, 2))); - -/* - * gzip delarations - */ -#define OF(args) args -#define STATIC static - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch *window; /* Sliding window buffer */ - -static unsigned insize; /* valid bytes in inbuf */ -static unsigned inptr; /* index of next byte to be processed in inbuf */ -static unsigned outcnt; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6,7: reserved */ - -#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} -# define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) -#endif - -static int fill_inbuf(void); -static void flush_window(void); -static void error(char *m); - -static char *input_data; -static int input_data_size; - -static uch *output_data; -static ulg output_ptr; -static ulg bytes_out; - -static void error(char *m); -static void gzip_mark(void **); -static void gzip_release(void **); - -extern int end; -static ulg free_mem_ptr; -static ulg free_mem_end_ptr; - -#define HEAP_SIZE 0x3000 - -#include "../../../lib/inflate.c" - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -int fill_inbuf(void) -{ - if (insize != 0) - error("ran out of input data"); - - inbuf = input_data; - insize = input_data_size; - - inptr = 1; - return inbuf[0]; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -void flush_window(void) -{ - ulg c = crc; - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -/* puts("."); */ -} - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -unsigned int -decompress_kernel(void *output_start, - void *input_start, - size_t ksize, - size_t kzsize) -{ - output_data = (uch *)output_start; - input_data = (uch *)input_start; - input_data_size = kzsize; /* use compressed size */ - - /* FIXME FIXME FIXME */ - free_mem_ptr = (ulg)output_start + ksize; - free_mem_end_ptr = (ulg)output_start + ksize + 0x200000; - /* FIXME FIXME FIXME */ - - /* put in temp area to reduce initial footprint */ - window = malloc(WSIZE); - - makecrc(); -/* puts("Uncompressing Linux..."); */ - gunzip(); -/* puts(" done, booting the kernel.\n"); */ - return output_ptr; -} diff --git a/ANDROID_3.4.5/arch/alpha/boot/tools/mkbb.c b/ANDROID_3.4.5/arch/alpha/boot/tools/mkbb.c deleted file mode 100644 index 1185778e..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/tools/mkbb.c +++ /dev/null @@ -1,152 +0,0 @@ -/* This utility makes a bootblock suitable for the SRM console/miniloader */ - -/* Usage: - * mkbb <device> <lxboot> - * - * Where <device> is the name of the device to install the bootblock on, - * and <lxboot> is the name of a bootblock to merge in. This bootblock - * contains the offset and size of the bootloader. It must be exactly - * 512 bytes long. - */ - -#include <fcntl.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> - -/* Minimal definition of disklabel, so we don't have to include - * asm/disklabel.h (confuses make) - */ -#ifndef MAXPARTITIONS -#define MAXPARTITIONS 8 /* max. # of partitions */ -#endif - -#ifndef u8 -#define u8 unsigned char -#endif - -#ifndef u16 -#define u16 unsigned short -#endif - -#ifndef u32 -#define u32 unsigned int -#endif - -struct disklabel { - u32 d_magic; /* must be DISKLABELMAGIC */ - u16 d_type, d_subtype; - u8 d_typename[16]; - u8 d_packname[16]; - u32 d_secsize; - u32 d_nsectors; - u32 d_ntracks; - u32 d_ncylinders; - u32 d_secpercyl; - u32 d_secprtunit; - u16 d_sparespertrack; - u16 d_sparespercyl; - u32 d_acylinders; - u16 d_rpm, d_interleave, d_trackskew, d_cylskew; - u32 d_headswitch, d_trkseek, d_flags; - u32 d_drivedata[5]; - u32 d_spare[5]; - u32 d_magic2; /* must be DISKLABELMAGIC */ - u16 d_checksum; - u16 d_npartitions; - u32 d_bbsize, d_sbsize; - struct d_partition { - u32 p_size; - u32 p_offset; - u32 p_fsize; - u8 p_fstype; - u8 p_frag; - u16 p_cpg; - } d_partitions[MAXPARTITIONS]; -}; - - -typedef union __bootblock { - struct { - char __pad1[64]; - struct disklabel __label; - } __u1; - struct { - unsigned long __pad2[63]; - unsigned long __checksum; - } __u2; - char bootblock_bytes[512]; - unsigned long bootblock_quadwords[64]; -} bootblock; - -#define bootblock_label __u1.__label -#define bootblock_checksum __u2.__checksum - -int main(int argc, char ** argv) -{ - bootblock bootblock_from_disk; - bootblock bootloader_image; - int dev, fd; - int i; - int nread; - - /* Make sure of the arg count */ - if(argc != 3) { - fprintf(stderr, "Usage: %s device lxboot\n", argv[0]); - exit(0); - } - - /* First, open the device and make sure it's accessible */ - dev = open(argv[1], O_RDWR); - if(dev < 0) { - perror(argv[1]); - exit(0); - } - - /* Now open the lxboot and make sure it's reasonable */ - fd = open(argv[2], O_RDONLY); - if(fd < 0) { - perror(argv[2]); - close(dev); - exit(0); - } - - /* Read in the lxboot */ - nread = read(fd, &bootloader_image, sizeof(bootblock)); - if(nread != sizeof(bootblock)) { - perror("lxboot read"); - fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock), nread); - exit(0); - } - - /* Read in the bootblock from disk. */ - nread = read(dev, &bootblock_from_disk, sizeof(bootblock)); - if(nread != sizeof(bootblock)) { - perror("bootblock read"); - fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock), nread); - exit(0); - } - - /* Swap the bootblock's disklabel into the bootloader */ - bootloader_image.bootblock_label = bootblock_from_disk.bootblock_label; - - /* Calculate the bootblock checksum */ - bootloader_image.bootblock_checksum = 0; - for(i = 0; i < 63; i++) { - bootloader_image.bootblock_checksum += - bootloader_image.bootblock_quadwords[i]; - } - - /* Write the whole thing out! */ - lseek(dev, 0L, SEEK_SET); - if(write(dev, &bootloader_image, sizeof(bootblock)) != sizeof(bootblock)) { - perror("bootblock write"); - exit(0); - } - - close(fd); - close(dev); - exit(0); -} - - diff --git a/ANDROID_3.4.5/arch/alpha/boot/tools/objstrip.c b/ANDROID_3.4.5/arch/alpha/boot/tools/objstrip.c deleted file mode 100644 index 367d53d0..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/tools/objstrip.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * arch/alpha/boot/tools/objstrip.c - * - * Strip the object file headers/trailers from an executable (ELF or ECOFF). - * - * Copyright (C) 1996 David Mosberger-Tang. - */ -/* - * Converts an ECOFF or ELF object file into a bootable file. The - * object file must be a OMAGIC file (i.e., data and bss follow immediately - * behind the text). See DEC "Assembly Language Programmer's Guide" - * documentation for details. The SRM boot process is documented in - * the Alpha AXP Architecture Reference Manual, Second Edition by - * Richard L. Sites and Richard T. Witek. - */ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#include <sys/fcntl.h> -#include <sys/stat.h> -#include <sys/types.h> - -#include <linux/a.out.h> -#include <linux/coff.h> -#include <linux/param.h> -#ifdef __ELF__ -# include <linux/elf.h> -#endif - -/* bootfile size must be multiple of BLOCK_SIZE: */ -#define BLOCK_SIZE 512 - -const char * prog_name; - - -static void -usage (void) -{ - fprintf(stderr, - "usage: %s [-v] -p file primary\n" - " %s [-vb] file [secondary]\n", prog_name, prog_name); - exit(1); -} - - -int -main (int argc, char *argv[]) -{ - size_t nwritten, tocopy, n, mem_size, fil_size, pad = 0; - int fd, ofd, i, j, verbose = 0, primary = 0; - char buf[8192], *inname; - struct exec * aout; /* includes file & aout header */ - long offset; -#ifdef __ELF__ - struct elfhdr *elf; - struct elf_phdr *elf_phdr; /* program header */ - unsigned long long e_entry; -#endif - - prog_name = argv[0]; - - for (i = 1; i < argc && argv[i][0] == '-'; ++i) { - for (j = 1; argv[i][j]; ++j) { - switch (argv[i][j]) { - case 'v': - verbose = ~verbose; - break; - - case 'b': - pad = BLOCK_SIZE; - break; - - case 'p': - primary = 1; /* make primary bootblock */ - break; - } - } - } - - if (i >= argc) { - usage(); - } - inname = argv[i++]; - - fd = open(inname, O_RDONLY); - if (fd == -1) { - perror("open"); - exit(1); - } - - ofd = 1; - if (i < argc) { - ofd = open(argv[i++], O_WRONLY | O_CREAT | O_TRUNC, 0666); - if (ofd == -1) { - perror("open"); - exit(1); - } - } - - if (primary) { - /* generate bootblock for primary loader */ - - unsigned long bb[64], sum = 0; - struct stat st; - off_t size; - int i; - - if (ofd == 1) { - usage(); - } - - if (fstat(fd, &st) == -1) { - perror("fstat"); - exit(1); - } - - size = (st.st_size + BLOCK_SIZE - 1) & ~(BLOCK_SIZE - 1); - memset(bb, 0, sizeof(bb)); - strcpy((char *) bb, "Linux SRM bootblock"); - bb[60] = size / BLOCK_SIZE; /* count */ - bb[61] = 1; /* starting sector # */ - bb[62] = 0; /* flags---must be 0 */ - for (i = 0; i < 63; ++i) { - sum += bb[i]; - } - bb[63] = sum; - if (write(ofd, bb, sizeof(bb)) != sizeof(bb)) { - perror("boot-block write"); - exit(1); - } - printf("%lu\n", size); - return 0; - } - - /* read and inspect exec header: */ - - if (read(fd, buf, sizeof(buf)) < 0) { - perror("read"); - exit(1); - } - -#ifdef __ELF__ - elf = (struct elfhdr *) buf; - - if (elf->e_ident[0] == 0x7f && strncmp((char *)elf->e_ident + 1, "ELF", 3) == 0) { - if (elf->e_type != ET_EXEC) { - fprintf(stderr, "%s: %s is not an ELF executable\n", - prog_name, inname); - exit(1); - } - if (!elf_check_arch(elf)) { - fprintf(stderr, "%s: is not for this processor (e_machine=%d)\n", - prog_name, elf->e_machine); - exit(1); - } - if (elf->e_phnum != 1) { - fprintf(stderr, - "%s: %d program headers (forgot to link with -N?)\n", - prog_name, elf->e_phnum); - } - - e_entry = elf->e_entry; - - lseek(fd, elf->e_phoff, SEEK_SET); - if (read(fd, buf, sizeof(*elf_phdr)) != sizeof(*elf_phdr)) { - perror("read"); - exit(1); - } - - elf_phdr = (struct elf_phdr *) buf; - offset = elf_phdr->p_offset; - mem_size = elf_phdr->p_memsz; - fil_size = elf_phdr->p_filesz; - - /* work around ELF bug: */ - if (elf_phdr->p_vaddr < e_entry) { - unsigned long delta = e_entry - elf_phdr->p_vaddr; - offset += delta; - mem_size -= delta; - fil_size -= delta; - elf_phdr->p_vaddr += delta; - } - - if (verbose) { - fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n", - prog_name, (long) elf_phdr->p_vaddr, - elf_phdr->p_vaddr + fil_size, offset); - } - } else -#endif - { - aout = (struct exec *) buf; - - if (!(aout->fh.f_flags & COFF_F_EXEC)) { - fprintf(stderr, "%s: %s is not in executable format\n", - prog_name, inname); - exit(1); - } - - if (aout->fh.f_opthdr != sizeof(aout->ah)) { - fprintf(stderr, "%s: %s has unexpected optional header size\n", - prog_name, inname); - exit(1); - } - - if (N_MAGIC(*aout) != OMAGIC) { - fprintf(stderr, "%s: %s is not an OMAGIC file\n", - prog_name, inname); - exit(1); - } - offset = N_TXTOFF(*aout); - fil_size = aout->ah.tsize + aout->ah.dsize; - mem_size = fil_size + aout->ah.bsize; - - if (verbose) { - fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n", - prog_name, aout->ah.text_start, - aout->ah.text_start + fil_size, offset); - } - } - - if (lseek(fd, offset, SEEK_SET) != offset) { - perror("lseek"); - exit(1); - } - - if (verbose) { - fprintf(stderr, "%s: copying %lu byte from %s\n", - prog_name, (unsigned long) fil_size, inname); - } - - tocopy = fil_size; - while (tocopy > 0) { - n = tocopy; - if (n > sizeof(buf)) { - n = sizeof(buf); - } - tocopy -= n; - if ((size_t) read(fd, buf, n) != n) { - perror("read"); - exit(1); - } - do { - nwritten = write(ofd, buf, n); - if ((ssize_t) nwritten == -1) { - perror("write"); - exit(1); - } - n -= nwritten; - } while (n > 0); - } - - if (pad) { - mem_size = ((mem_size + pad - 1) / pad) * pad; - } - - tocopy = mem_size - fil_size; - if (tocopy > 0) { - fprintf(stderr, - "%s: zero-filling bss and aligning to %lu with %lu bytes\n", - prog_name, pad, (unsigned long) tocopy); - - memset(buf, 0x00, sizeof(buf)); - do { - n = tocopy; - if (n > sizeof(buf)) { - n = sizeof(buf); - } - nwritten = write(ofd, buf, n); - if ((ssize_t) nwritten == -1) { - perror("write"); - exit(1); - } - tocopy -= nwritten; - } while (tocopy > 0); - } - return 0; -} |