diff options
Diffstat (limited to 'arch/x86/include/asm/boot.h')
| -rw-r--r-- | arch/x86/include/asm/boot.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h new file mode 100644 index 00000000000..1d63bd5d594 --- /dev/null +++ b/arch/x86/include/asm/boot.h @@ -0,0 +1,26 @@ +#ifndef ASM_X86__BOOT_H +#define ASM_X86__BOOT_H + +/* Don't touch these, unless you really know what you're doing. */ +#define DEF_SYSSEG 0x1000 +#define DEF_SYSSIZE 0x7F00 + +/* Internal svga startup constants */ +#define NORMAL_VGA 0xffff /* 80x25 mode */ +#define EXTENDED_VGA 0xfffe /* 80x50 mode */ +#define ASK_VGA 0xfffd /* ask for it at bootup */ + +/* Physical address where kernel should be loaded. */ +#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ + + (CONFIG_PHYSICAL_ALIGN - 1)) \ + & ~(CONFIG_PHYSICAL_ALIGN - 1)) + +#ifdef CONFIG_X86_64 +#define BOOT_HEAP_SIZE 0x7000 +#define BOOT_STACK_SIZE 0x4000 +#else +#define BOOT_HEAP_SIZE 0x4000 +#define BOOT_STACK_SIZE 0x1000 +#endif + +#endif /* ASM_X86__BOOT_H */ |