/* SPDX-License-Identifier: GPL-2.0 */ #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 */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| H. Peter Anvin | 46 | 35.66% | 3 | 16.67% |
| Kees Cook | 34 | 26.36% | 2 | 11.11% |
| Alain Knaff | 18 | 13.95% | 1 | 5.56% |
| Alexander van Heukelum | 9 | 6.98% | 1 | 5.56% |
| Linus Torvalds (pre-git) | 6 | 4.65% | 1 | 5.56% |
| Vivek Goyal | 4 | 3.10% | 2 | 11.11% |
| Cyrill V. Gorcunov | 3 | 2.33% | 1 | 5.56% |
| David Howells | 3 | 2.33% | 1 | 5.56% |
| Robert P. J. Day | 2 | 1.55% | 2 | 11.11% |
| Greg Kroah-Hartman | 1 | 0.78% | 1 | 5.56% |
| H. J. Lu | 1 | 0.78% | 1 | 5.56% |
| Thomas Gleixner | 1 | 0.78% | 1 | 5.56% |
| Jan Beulich | 1 | 0.78% | 1 | 5.56% |
| Total | 129 | 100.00% | 18 | 100.00% |