diff options
Diffstat (limited to 'arch/x86_64/boot')
| -rw-r--r-- | arch/x86_64/boot/compressed/head.S | 11 | ||||
| -rw-r--r-- | arch/x86_64/boot/compressed/misc.c | 12 | ||||
| -rw-r--r-- | arch/x86_64/boot/install.sh | 6 | ||||
| -rw-r--r-- | arch/x86_64/boot/setup.S | 8 | ||||
| -rw-r--r-- | arch/x86_64/boot/tools/build.c | 5 |
5 files changed, 22 insertions, 20 deletions
diff --git a/arch/x86_64/boot/compressed/head.S b/arch/x86_64/boot/compressed/head.S index 27264dbd575c..6f55565e4d42 100644 --- a/arch/x86_64/boot/compressed/head.S +++ b/arch/x86_64/boot/compressed/head.S @@ -2,8 +2,6 @@ * linux/boot/head.S * * Copyright (C) 1991, 1992, 1993 Linus Torvalds - * - * $Id: head.S,v 1.3 2001/04/20 00:59:28 ak Exp $ */ /* @@ -21,13 +19,14 @@ */ /* - * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 + * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 */ .code32 .text #include <linux/linkage.h> #include <asm/segment.h> +#include <asm/page.h> .code32 .globl startup_32 @@ -77,7 +76,7 @@ startup_32: jnz 3f addl $8,%esp xorl %ebx,%ebx - ljmp $(__KERNEL_CS), $0x100000 + ljmp $(__KERNEL_CS), $__PHYSICAL_START /* * We come here, if we were loaded high. @@ -103,7 +102,7 @@ startup_32: popl %ecx # lcount popl %edx # high_buffer_start popl %eax # hcount - movl $0x100000,%edi + movl $__PHYSICAL_START,%edi cli # make sure we don't get interrupted ljmp $(__KERNEL_CS), $0x1000 # and jump to the move routine @@ -128,7 +127,7 @@ move_routine_start: movsl movl %ebx,%esi # Restore setup pointer xorl %ebx,%ebx - ljmp $(__KERNEL_CS), $0x100000 + ljmp $(__KERNEL_CS), $__PHYSICAL_START move_routine_end: diff --git a/arch/x86_64/boot/compressed/misc.c b/arch/x86_64/boot/compressed/misc.c index c8b9216f9e63..b38d5b8b5fb8 100644 --- a/arch/x86_64/boot/compressed/misc.c +++ b/arch/x86_64/boot/compressed/misc.c @@ -11,6 +11,7 @@ #include "miscsetup.h" #include <asm/io.h> +#include <asm/page.h> /* * gzip declarations @@ -92,8 +93,11 @@ static unsigned long output_ptr = 0; static void *malloc(int size); static void free(void *where); +void* memset(void* s, int c, unsigned n); +void* memcpy(void* dest, const void* src, unsigned n); + static void putstr(const char *); - + extern int end; static long free_mem_ptr = (long)&end; static long free_mem_end_ptr; @@ -284,7 +288,7 @@ void setup_normal_output_buffer(void) #else if ((ALT_MEM_K > EXT_MEM_K ? ALT_MEM_K : EXT_MEM_K) < 1024) error("Less than 2MB of memory"); #endif - output_data = (char *)0x100000; /* Points to 1M */ + output_data = (char *)__PHYSICAL_START; /* Normally Points to 1M */ free_mem_end_ptr = (long)real_mode; } @@ -307,8 +311,8 @@ void setup_output_buffer_if_we_run_high(struct moveparams *mv) low_buffer_size = low_buffer_end - LOW_BUFFER_START; high_loaded = 1; free_mem_end_ptr = (long)high_buffer_start; - if ( (0x100000 + low_buffer_size) > ((ulg)high_buffer_start)) { - high_buffer_start = (uch *)(0x100000 + low_buffer_size); + if ( (__PHYSICAL_START + low_buffer_size) > ((ulg)high_buffer_start)) { + high_buffer_start = (uch *)(__PHYSICAL_START + low_buffer_size); mv->hcount = 0; /* say: we need not to move high_buffer */ } else mv->hcount = -1; diff --git a/arch/x86_64/boot/install.sh b/arch/x86_64/boot/install.sh index 90f2452b3b9e..198af15a7758 100644 --- a/arch/x86_64/boot/install.sh +++ b/arch/x86_64/boot/install.sh @@ -1,6 +1,6 @@ #!/bin/sh # -# arch/i386/boot/install.sh +# arch/x86_64/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 @@ -21,8 +21,8 @@ # User may have a custom install script -if [ -x ~/bin/installkernel ]; then exec ~/bin/installkernel "$@"; fi -if [ -x /sbin/installkernel ]; then exec /sbin/installkernel "$@"; fi +if [ -x ~/bin/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi +if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi # Default install - same as make zlilo diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S index 75d4d2ad93b3..ff58b2832b75 100644 --- a/arch/x86_64/boot/setup.S +++ b/arch/x86_64/boot/setup.S @@ -33,7 +33,7 @@ * Transcribed from Intel (as86) -> AT&T (gas) by Chris Noe, May 1999. * <stiker@northlink.com> * - * Fix to work around buggy BIOSes which dont use carry bit correctly + * Fix to work around buggy BIOSes which don't use carry bit correctly * and/or report extended memory in CX/DX for e801h memory size detection * call. As a result the kernel got wrong figures. The int15/e801h docs * from Ralf Brown interrupt list seem to indicate AX/BX should be used @@ -383,7 +383,7 @@ sse_ok: # a whole bunch of different types, and allows memory holes and # everything. We scan through this memory map and build a list # of the first 32 memory areas, which we return at [E820MAP]. -# This is documented at http://www.teleport.com/~acpi/acpihtml/topic245.htm +# This is documented at http://www.acpi.info/, in the ACPI 2.0 specification. #define SMAP 0x534d4150 @@ -436,7 +436,7 @@ bail820: meme801: stc # fix to work around buggy - xorw %cx,%cx # BIOSes which dont clear/set + xorw %cx,%cx # BIOSes which don't clear/set xorw %dx,%dx # carry on pass/error of # e801h memory size call # or merely pass cx,dx though @@ -733,7 +733,7 @@ flush_instr: # # but we yet haven't reloaded the CS register, so the default size # of the target offset still is 16 bit. -# However, using an operant prefix (0x66), the CPU will properly +# However, using an operand prefix (0x66), the CPU will properly # take our 48 bit far pointer. (INTeL 80386 Programmer's Reference # Manual, Mixing 16-bit and 32-bit code, page 16-6) diff --git a/arch/x86_64/boot/tools/build.c b/arch/x86_64/boot/tools/build.c index c2fa66313170..18b5bac1c428 100644 --- a/arch/x86_64/boot/tools/build.c +++ b/arch/x86_64/boot/tools/build.c @@ -1,6 +1,4 @@ /* - * $Id: build.c,v 1.3 2001/06/26 15:14:50 pavel Exp $ - * * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 1997 Martin Mares */ @@ -8,7 +6,8 @@ /* * This file builds a disk-image from three different files: * - * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest + * - bootsect: compatibility mbr which prints an error message if + * someone tries to boot the kernel directly. * - setup: 8086 machine code, sets up system parm * - system: 80386 code for actual system * |
