diff options
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/boot/a20.c | 6 | ||||
| -rw-r--r-- | arch/x86/boot/boot.h | 3 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/Makefile | 21 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/head_32.S | 8 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/head_64.S | 10 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/misc.c | 118 | ||||
| -rw-r--r-- | arch/x86/boot/copy.S | 40 | ||||
| -rw-r--r-- | arch/x86/boot/header.S | 2 | ||||
| -rw-r--r-- | arch/x86/boot/main.c | 5 | ||||
| -rw-r--r-- | arch/x86/boot/pmjump.S | 16 | ||||
| -rw-r--r-- | arch/x86/boot/voyager.c | 40 |
12 files changed, 61 insertions, 209 deletions
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index cd48c7210016..c70eff69a1fb 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -32,7 +32,6 @@ setup-y += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o setup-y += header.o main.o mca.o memory.o pm.o pmjump.o setup-y += printf.o string.o tty.o video.o video-mode.o version.o setup-$(CONFIG_X86_APM_BOOT) += apm.o -setup-$(CONFIG_X86_VOYAGER) += voyager.o # The link order of the video-*.o modules can matter. In particular, # video-vga.o *must* be listed first, followed by video-vesa.o. diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c index fba8e9c6a504..7c19ce8c2442 100644 --- a/arch/x86/boot/a20.c +++ b/arch/x86/boot/a20.c @@ -126,11 +126,6 @@ static void enable_a20_fast(void) int enable_a20(void) { -#ifdef CONFIG_X86_VOYAGER - /* On Voyager, a20_test() is unsafe? */ - enable_a20_kbc(); - return 0; -#else int loops = A20_ENABLE_LOOPS; int kbc_err; @@ -164,5 +159,4 @@ int enable_a20(void) } return -1; -#endif } diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index cc0ef13fba7a..7b2692e897e5 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -302,9 +302,6 @@ void probe_cards(int unsafe); /* video-vesa.c */ void vesa_store_edid(void); -/* voyager.c */ -int query_voyager(void); - #endif /* __ASSEMBLY__ */ #endif /* BOOT_BOOT_H */ diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 1771c804e02f..3ca4c194b8e5 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -4,7 +4,7 @@ # create a compressed vmlinux image from the original vmlinux # -targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o +targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 KBUILD_CFLAGS += -fno-strict-aliasing -fPIC @@ -47,18 +47,35 @@ ifeq ($(CONFIG_X86_32),y) ifdef CONFIG_RELOCATABLE $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin.all FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE + $(call if_changed,lzma) else $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) endif LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T else + $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T endif -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE +suffix_$(CONFIG_KERNEL_GZIP) = gz +suffix_$(CONFIG_KERNEL_BZIP2) = bz2 +suffix_$(CONFIG_KERNEL_LZMA) = lzma + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE $(call if_changed,ld) diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 29c5fbf08392..3a8a866fb2e2 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -25,14 +25,12 @@ #include <linux/linkage.h> #include <asm/segment.h> -#include <asm/page.h> +#include <asm/page_types.h> #include <asm/boot.h> #include <asm/asm-offsets.h> .section ".text.head","ax",@progbits - .globl startup_32 - -startup_32: +ENTRY(startup_32) cld /* test KEEP_SEGMENTS flag to see if the bootloader is asking * us to not reload segments */ @@ -113,6 +111,8 @@ startup_32: */ leal relocated(%ebx), %eax jmp *%eax +ENDPROC(startup_32) + .section ".text" relocated: diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 1d5dff4123e1..ed4a82948002 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -26,8 +26,8 @@ #include <linux/linkage.h> #include <asm/segment.h> -#include <asm/pgtable.h> -#include <asm/page.h> +#include <asm/pgtable_types.h> +#include <asm/page_types.h> #include <asm/boot.h> #include <asm/msr.h> #include <asm/processor-flags.h> @@ -35,9 +35,7 @@ .section ".text.head" .code32 - .globl startup_32 - -startup_32: +ENTRY(startup_32) cld /* test KEEP_SEGMENTS flag to see if the bootloader is asking * us to not reload segments */ @@ -176,6 +174,7 @@ startup_32: /* Jump from 32bit compatibility mode into 64bit mode. */ lret +ENDPROC(startup_32) no_longmode: /* This isn't an x86-64 CPU so hang */ @@ -295,7 +294,6 @@ relocated: call decompress_kernel popq %rsi - /* * Jump to the decompressed kernel. */ diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index da062216948a..e45be73684ff 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -116,71 +116,13 @@ /* * gzip declarations */ - -#define OF(args) args #define STATIC static #undef memset #undef memcpy #define memzero(s, n) memset((s), 0, (n)) -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -/* - * Window size must be at least 32k, and a power of two. - * We don't actually have a window just a huge output buffer, - * so we report a 2G window size, as that should always be - * larger than our output buffer: - */ -#define WSIZE 0x80000000 - -/* Input buffer: */ -static unsigned char *inbuf; - -/* Sliding window buffer (and final output buffer): */ -static unsigned char *window; - -/* Valid bytes in inbuf: */ -static unsigned insize; - -/* Index of next byte to be processed in inbuf: */ -static unsigned inptr; - -/* Bytes in output buffer: */ -static unsigned outcnt; - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gz file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAM 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) do { if (!(cond)) error(msg); } while (0) -# define Trace(x) do { fprintf x; } while (0) -# define Tracev(x) do { if (verbose) fprintf x ; } while (0) -# define Tracevv(x) do { if (verbose > 1) fprintf x ; } while (0) -# define Tracec(c, x) do { if (verbose && (c)) fprintf x ; } while (0) -# define Tracecv(c, x) do { if (verbose > 1 && (c)) fprintf x ; } while (0) -#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); /* @@ -189,13 +131,8 @@ static void error(char *m); static struct boot_params *real_mode; /* Pointer to real-mode data */ static int quiet; -extern unsigned char input_data[]; -extern int input_len; - -static long bytes_out; - static void *memset(void *s, int c, unsigned n); -static void *memcpy(void *dest, const void *src, unsigned n); +void *memcpy(void *dest, const void *src, unsigned n); static void __putstr(int, const char *); #define putstr(__x) __putstr(0, __x) @@ -213,7 +150,17 @@ static char *vidmem; static int vidport; static int lines, cols; -#include "../../../../lib/inflate.c" +#ifdef CONFIG_KERNEL_GZIP +#include "../../../../lib/decompress_inflate.c" +#endif + +#ifdef CONFIG_KERNEL_BZIP2 +#include "../../../../lib/decompress_bunzip2.c" +#endif + +#ifdef CONFIG_KERNEL_LZMA +#include "../../../../lib/decompress_unlzma.c" +#endif static void scroll(void) { @@ -282,7 +229,7 @@ static void *memset(void *s, int c, unsigned n) return s; } -static void *memcpy(void *dest, const void *src, unsigned n) +void *memcpy(void *dest, const void *src, unsigned n) { int i; const char *s = src; @@ -293,38 +240,6 @@ static void *memcpy(void *dest, const void *src, unsigned n) return dest; } -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - error("ran out of input data"); - return 0; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -static void flush_window(void) -{ - /* With my window equal to my output buffer - * I only need to compute the crc here. - */ - unsigned long c = crc; /* temporary variable */ - unsigned n; - unsigned char *in, ch; - - in = window; - for (n = 0; n < outcnt; n++) { - ch = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (unsigned long)outcnt; - outcnt = 0; -} static void error(char *x) { @@ -407,12 +322,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, lines = real_mode->screen_info.orig_video_lines; cols = real_mode->screen_info.orig_video_cols; - window = output; /* Output buffer (Normally at 1M) */ free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; - inbuf = input_data; /* Input buffer */ - insize = input_len; - inptr = 0; #ifdef CONFIG_X86_64 if ((unsigned long)output & (__KERNEL_ALIGN - 1)) @@ -430,10 +341,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, #endif #endif - makecrc(); if (!quiet) putstr("\nDecompressing Linux... "); - gunzip(); + decompress(input_data, input_len, NULL, NULL, output, NULL, error); parse_elf(output); if (!quiet) putstr("done.\nBooting the kernel.\n"); diff --git a/arch/x86/boot/copy.S b/arch/x86/boot/copy.S index ef50c84e8b4b..11f272c6f5e9 100644 --- a/arch/x86/boot/copy.S +++ b/arch/x86/boot/copy.S @@ -8,6 +8,8 @@ * * ----------------------------------------------------------------------- */ +#include <linux/linkage.h> + /* * Memory copy routines */ @@ -15,9 +17,7 @@ .code16gcc .text - .globl memcpy - .type memcpy, @function -memcpy: +GLOBAL(memcpy) pushw %si pushw %di movw %ax, %di @@ -31,11 +31,9 @@ memcpy: popw %di popw %si ret - .size memcpy, .-memcpy +ENDPROC(memcpy) - .globl memset - .type memset, @function -memset: +GLOBAL(memset) pushw %di movw %ax, %di movzbl %dl, %eax @@ -48,52 +46,42 @@ memset: rep; stosb popw %di ret - .size memset, .-memset +ENDPROC(memset) - .globl copy_from_fs - .type copy_from_fs, @function -copy_from_fs: +GLOBAL(copy_from_fs) pushw %ds pushw %fs popw %ds call memcpy popw %ds ret - .size copy_from_fs, .-copy_from_fs +ENDPROC(copy_from_fs) - .globl copy_to_fs - .type copy_to_fs, @function -copy_to_fs: +GLOBAL(copy_to_fs) pushw %es pushw %fs popw %es call memcpy popw %es ret - .size copy_to_fs, .-copy_to_fs +ENDPROC(copy_to_fs) #if 0 /* Not currently used, but can be enabled as needed */ - - .globl copy_from_gs - .type copy_from_gs, @function -copy_from_gs: +GLOBAL(copy_from_gs) pushw %ds pushw %gs popw %ds call memcpy popw %ds ret - .size copy_from_gs, .-copy_from_gs - .globl copy_to_gs +ENDPROC(copy_from_gs) - .type copy_to_gs, @function -copy_to_gs: +GLOBAL(copy_to_gs) pushw %es pushw %gs popw %es call memcpy popw %es ret - .size copy_to_gs, .-copy_to_gs - +ENDPROC(copy_to_gs) #endif diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index b993062e9a5f..7ccff4884a23 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -19,7 +19,7 @@ #include <linux/utsrelease.h> #include <asm/boot.h> #include <asm/e820.h> -#include <asm/page.h> +#include <asm/page_types.h> #include <asm/setup.h> #include "boot.h" #include "offsets.h" diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c index 197421db1af1..58f0415d3ae0 100644 --- a/arch/x86/boot/main.c +++ b/arch/x86/boot/main.c @@ -149,11 +149,6 @@ void main(void) /* Query MCA information */ query_mca(); - /* Voyager */ -#ifdef CONFIG_X86_VOYAGER - query_voyager(); -#endif - /* Query Intel SpeedStep (IST) information */ query_ist(); diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S index 141b6e20ed31..019c17a75851 100644 --- a/arch/x86/boot/pmjump.S +++ b/arch/x86/boot/pmjump.S @@ -15,18 +15,15 @@ #include <asm/boot.h> #include <asm/processor-flags.h> #include <asm/segment.h> +#include <linux/linkage.h> .text - - .globl protected_mode_jump - .type protected_mode_jump, @function - .code16 /* * void protected_mode_jump(u32 entrypoint, u32 bootparams); */ -protected_mode_jump: +GLOBAL(protected_mode_jump) movl %edx, %esi # Pointer to boot_params table xorl %ebx, %ebx @@ -47,12 +44,10 @@ protected_mode_jump: .byte 0x66, 0xea # ljmpl opcode 2: .long in_pm32 # offset .word __BOOT_CS # segment - - .size protected_mode_jump, .-protected_mode_jump +ENDPROC(protected_mode_jump) .code32 - .type in_pm32, @function -in_pm32: +GLOBAL(in_pm32) # Set up data segments for flat 32-bit mode movl %ecx, %ds movl %ecx, %es @@ -78,5 +73,4 @@ in_pm32: lldt %cx jmpl *%eax # Jump to the 32-bit entrypoint - - .size in_pm32, .-in_pm32 +ENDPROC(in_pm32) diff --git a/arch/x86/boot/voyager.c b/arch/x86/boot/voyager.c deleted file mode 100644 index 433909d61e5c..000000000000 --- a/arch/x86/boot/voyager.c +++ /dev/null @@ -1,40 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright 2007 rPath, Inc. - All Rights Reserved - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2. - * - * ----------------------------------------------------------------------- */ - -/* - * Get the Voyager config information - */ - -#include "boot.h" - -int query_voyager(void) -{ - u8 err; - u16 es, di; - /* Abuse the apm_bios_info area for this */ - u8 *data_ptr = (u8 *)&boot_params.apm_bios_info; - - data_ptr[0] = 0xff; /* Flag on config not found(?) */ - - asm("pushw %%es ; " - "int $0x15 ; " - "setc %0 ; " - "movw %%es, %1 ; " - "popw %%es" - : "=q" (err), "=r" (es), "=D" (di) - : "a" (0xffc0)); - - if (err) - return -1; /* Not Voyager */ - - set_fs(es); - copy_from_fs(data_ptr, di, 7); /* Table is 7 bytes apparently */ - return 0; -} |