This file defines 'a32' and 'o32' macros to avoid magic numbers of operand/address-size prefixing.
GAS supports 'data32' and 'addr32' for that purpose.
Signed-off-by: Masahiro Yamada masahiroy@kernel.org ---
arch/x86/cpu/start16.S | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S index 474efe4df5f4..bcabd76741ef 100644 --- a/arch/x86/cpu/start16.S +++ b/arch/x86/cpu/start16.S @@ -13,8 +13,6 @@ #include <asm/processor-flags.h>
#define BOOT_SEG 0xffff0000 /* linear segment of boot code */ -#define a32 .byte 0x67; -#define o32 .byte 0x66;
.section .start16, "ax" .code16 @@ -33,8 +31,8 @@ start16: wbinvd
/* load the temporary Global Descriptor Table */ -o32 cs lidt idt_ptr -o32 cs lgdt gdt_ptr +data32 cs lidt idt_ptr +data32 cs lgdt gdt_ptr
/* Now, we enter protected mode */ movl %cr0, %eax @@ -49,7 +47,7 @@ ff: movw $code32start, %ax movw %ax, %bp movl %ecx, %eax -o32 cs ljmp *(%bp) +data32 cs ljmp *(%bp)
/* 48-bit far pointer */ code32start: