projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_BOOT_H |
| 2 | #define _ASM_X86_BOOT_H | |
| 1da177e4 | 3 | |
| 95c4bff0 | 4 | |
| 658dbfeb | 5 | #include <asm/pgtable_types.h> |
| af170c50 | 6 | #include <uapi/asm/boot.h> |
| 37ba7ab5 | 7 | |
| beb7dd86 | 8 | /* Physical address where kernel should be loaded. */ |
| dd0ec16f VG |
9 | #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ |
| 10 | + (CONFIG_PHYSICAL_ALIGN - 1)) \ | |
| e69f202d VG |
11 | & ~(CONFIG_PHYSICAL_ALIGN - 1)) |
| 12 | ||
| 37ba7ab5 | 13 | /* Minimum kernel alignment, as a power of two */ |
| 22f4319d | 14 | #ifdef CONFIG_X86_64 |
| 8665e6ff | 15 | # define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT |
| 37ba7ab5 | 16 | #else |
| 8665e6ff | 17 | # define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_SIZE_ORDER) |
| 37ba7ab5 PA |
18 | #endif |
| 19 | #define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2) | |
| 20 | ||
| 21 | #if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \ | |
| 6fc108a0 | 22 | (CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN) |
| 8665e6ff | 23 | # error "Invalid value for CONFIG_PHYSICAL_ALIGN" |
| 37ba7ab5 PA |
24 | #endif |
| 25 | ||
| 95c4bff0 | 26 | #ifdef CONFIG_KERNEL_BZIP2 |
| 8665e6ff | 27 | # define BOOT_HEAP_SIZE 0x400000 |
| 95c4bff0 | 28 | #else /* !CONFIG_KERNEL_BZIP2 */ |
| 8665e6ff KC |
29 | # define BOOT_HEAP_SIZE 0x10000 |
| 30 | #endif | |
| ae03c499 AK |
31 | |
| 32 | #ifdef CONFIG_X86_64 | |
| 8665e6ff | 33 | # define BOOT_STACK_SIZE 0x4000 |
| 3a94707d KC |
34 | |
| 35 | # define BOOT_INIT_PGT_SIZE (6*4096) | |
| 36 | # ifdef CONFIG_RANDOMIZE_BASE | |
| 37 | /* | |
| 38 | * Assuming all cross the 512GB boundary: | |
| 39 | * 1 page for level4 | |
| 40 | * (2+2)*4 pages for kernel, param, cmd_line, and randomized kernel | |
| 41 | * 2 pages for first 2M (video RAM: CONFIG_X86_VERBOSE_BOOTUP). | |
| 42 | * Total is 19 pages. | |
| 43 | */ | |
| 44 | # ifdef CONFIG_X86_VERBOSE_BOOTUP | |
| 45 | # define BOOT_PGT_SIZE (19*4096) | |
| 46 | # else /* !CONFIG_X86_VERBOSE_BOOTUP */ | |
| 47 | # define BOOT_PGT_SIZE (17*4096) | |
| 48 | # endif | |
| 49 | # else /* !CONFIG_RANDOMIZE_BASE */ | |
| 50 | # define BOOT_PGT_SIZE BOOT_INIT_PGT_SIZE | |
| 51 | # endif | |
| 52 | ||
| 8665e6ff KC |
53 | #else /* !CONFIG_X86_64 */ |
| 54 | # define BOOT_STACK_SIZE 0x1000 | |
| 7c539764 AH |
55 | #endif |
| 56 | ||
| 1965aae3 | 57 | #endif /* _ASM_X86_BOOT_H */ |