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- #ifndef _ASM_X86_BOOT_H
- #define _ASM_X86_BOOT_H
- #include <asm/pgtable_types.h>
- #include <uapi/asm/boot.h>
- /* Physical address where kernel should be loaded. */
- #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
- + (CONFIG_PHYSICAL_ALIGN - 1)) \
- & ~(CONFIG_PHYSICAL_ALIGN - 1))
- /* Minimum kernel alignment, as a power of two */
- #ifdef CONFIG_X86_64
- # define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
- #else
- # define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_SIZE_ORDER)
- #endif
- #define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)
- #if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \
- (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN)
- # error "Invalid value for CONFIG_PHYSICAL_ALIGN"
- #endif
- #ifdef CONFIG_KERNEL_BZIP2
- # define BOOT_HEAP_SIZE 0x400000
- #else /* !CONFIG_KERNEL_BZIP2 */
- # define BOOT_HEAP_SIZE 0x10000
- #endif
- #ifdef CONFIG_X86_64
- # define BOOT_STACK_SIZE 0x4000
- # define BOOT_INIT_PGT_SIZE (6*4096)
- # ifdef CONFIG_RANDOMIZE_BASE
- /*
- * Assuming all cross the 512GB boundary:
- * 1 page for level4
- * (2+2)*4 pages for kernel, param, cmd_line, and randomized kernel
- * 2 pages for first 2M (video RAM: CONFIG_X86_VERBOSE_BOOTUP).
- * Total is 19 pages.
- */
- # ifdef CONFIG_X86_VERBOSE_BOOTUP
- # define BOOT_PGT_SIZE (19*4096)
- # else /* !CONFIG_X86_VERBOSE_BOOTUP */
- # define BOOT_PGT_SIZE (17*4096)
- # endif
- # else /* !CONFIG_RANDOMIZE_BASE */
- # define BOOT_PGT_SIZE BOOT_INIT_PGT_SIZE
- # endif
- #else /* !CONFIG_X86_64 */
- # define BOOT_STACK_SIZE 0x1000
- #endif
- #endif /* _ASM_X86_BOOT_H */
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