From: H. Peter Anvin <[email protected]> Linker script to define the layout of the new x86 setup code. Includes assert for size overflow and a misaligned setup header. Signed-off-by: H. Peter Anvin <[email protected]> --- arch/i386/boot/setup.ld | 54 +++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 54 insertions(+), 0 deletions(-) create mode 100644 arch/i386/boot/setup.ld diff --git a/arch/i386/boot/setup.ld b/arch/i386/boot/setup.ld new file mode 100644 index 0000000..df9234b --- /dev/null +++ b/arch/i386/boot/setup.ld @@ -0,0 +1,54 @@ +/* + * setup.ld + * + * Linker script for the i386 setup code + */ +OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") +OUTPUT_ARCH(i386) +ENTRY(_start) + +SECTIONS +{ + . = 0; + .bstext : { *(.bstext) } + .bsdata : { *(.bsdata) } + + . = 497; + .header : { *(.header) } + .inittext : { *(.inittext) } + .initdata : { *(.initdata) } + .text : { *(.text*) } + + . = ALIGN(16); + .rodata : { *(.rodata*) } + + .videocards : { + video_cards = .; + *(.videocards) + video_cards_end = .; + } + + . = ALIGN(16); + .data : { *(.data*) } + + .signature : { + setup_sig = .; + LONG(0x5a5aaa55) + } + + + . = ALIGN(16); + .bss : + { + __bss_start = .; + *(.bss) + __bss_end = .; + } + . = ALIGN(16); + _end = .; + + /DISCARD/ : { *(.note*) } + + . = ASSERT(_end <= 0x8000, "Setup too big!"); + . = ASSERT(hdr == 0x1f1, "The setup header has the wrong offset!"); +} -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- x86 setup code rewrite in C - revised
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 01/33] x86 setup: MAINTAINERS: formally take responsibility for the i386 boot code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 02/33] hd.c: remove BIOS/CMOS queries
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 03/33] include/asm-i386/boot.h: This is <asm/boot.h>, not <linux/boot.h>
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 04/33] Unify the CPU features vectors between i386 and x86-64
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 05/33] Change CONFIG_X86_MINIMUM_CPU_MODEL to CONFIG_X86_MINIMUM_CPU_FAMILY
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 06/33] Clean up struct screen_info (<linux/screen_info.h>)
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 07/33] Use a new CPU feature word to cover all Intel features that are spread around
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 08/33] Define zero-page offset 0x1e4 as a scratch field, and use it
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 09/33] Make definitions for struct e820entry and struct e820map consistent
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 10/33] Make struct boot_params a real structure, and remove obsolete fields
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 11/33] x86-64: add CONFIG_PHYSICAL_ALIGN for consistency with i386
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 12/33] x86-64: add symbolic constants for the boot segment selectors
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 13/33] Header file to produce 16-bit code with gcc
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 14/33] Top header file for new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 15/33] Simple bitops for the new x86 setup code.
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 16/33] String-handling functions for the new x86 setup code.
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 17/33] A20 handling code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 18/33] APM probing code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 19/33] Command-line parsing code for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 20/33] Console-writing code for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 21/33] Version string for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 22/33] CPU features verification for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 23/33] EDD probing code for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 24/33] MCA support for new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 25/33] Memory probing support for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 26/33] Voyager support for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 27/33] Video mode probing support for the new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 28/33] Code for actual protected-mode entry
- From: "H. Peter Anvin" <[email protected]>
- [x86 setup 29/33] Assembly header and main routine for new x86 setup code
- From: "H. Peter Anvin" <[email protected]>
- x86 setup code rewrite in C - revised
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