1 #ifndef _ASM_X86_BOOT_H 2 #define _ASM_X86_BOOT_H 3 4 5 #include <asm/pgtable_types.h> 6 #include <uapi/asm/boot.h> 7 8 /* Physical address where kernel should be loaded. */ 9 #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ 10 + (CONFIG_PHYSICAL_ALIGN - 1)) \ 11 & ~(CONFIG_PHYSICAL_ALIGN - 1)) 12 13 /* Minimum kernel alignment, as a power of two */ 14 #ifdef CONFIG_X86_64 15 #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT 16 #else 17 #define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_SIZE_ORDER) 18 #endif 19 #define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2) 20 21 #if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \ 22 (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN) 23 #error "Invalid value for CONFIG_PHYSICAL_ALIGN" 24 #endif 25 26 #ifdef CONFIG_KERNEL_BZIP2 27 #define BOOT_HEAP_SIZE 0x400000 28 #else /* !CONFIG_KERNEL_BZIP2 */ 29 30 #define BOOT_HEAP_SIZE 0x8000 31 32 #endif /* !CONFIG_KERNEL_BZIP2 */ 33 34 #ifdef CONFIG_X86_64 35 #define BOOT_STACK_SIZE 0x4000 36 #else 37 #define BOOT_STACK_SIZE 0x1000 38 #endif 39 40 #endif /* _ASM_X86_BOOT_H */ 41