1 #ifndef _ASM_X86_BOOT_H 2 #define _ASM_X86_BOOT_H 3 4 /* Internal svga startup constants */ 5 #define NORMAL_VGA 0xffff /* 80x25 mode */ 6 #define EXTENDED_VGA 0xfffe /* 80x50 mode */ 7 #define ASK_VGA 0xfffd /* ask for it at bootup */ 8 9 #ifdef __KERNEL__ 10 11 #include <asm/pgtable_types.h> 12 13 /* Physical address where kernel should be loaded. */ 14 #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ 15 + (CONFIG_PHYSICAL_ALIGN - 1)) \ 16 & ~(CONFIG_PHYSICAL_ALIGN - 1)) 17 18 /* Minimum kernel alignment, as a power of two */ 19 #ifdef CONFIG_X86_64 20 #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT 21 #else 22 #define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_ORDER) 23 #endif 24 #define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2) 25 26 #if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \ 27 (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN) 28 #error "Invalid value for CONFIG_PHYSICAL_ALIGN" 29 #endif 30 31 #ifdef CONFIG_KERNEL_BZIP2 32 #define BOOT_HEAP_SIZE 0x400000 33 #else /* !CONFIG_KERNEL_BZIP2 */ 34 35 #define BOOT_HEAP_SIZE 0x8000 36 37 #endif /* !CONFIG_KERNEL_BZIP2 */ 38 39 #ifdef CONFIG_X86_64 40 #define BOOT_STACK_SIZE 0x4000 41 #else 42 #define BOOT_STACK_SIZE 0x1000 43 #endif 44 45 #endif /* __KERNEL__ */ 46 47 #endif /* _ASM_X86_BOOT_H */ 48