af170c5061
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
40 lines
997 B
C
40 lines
997 B
C
#ifndef _ASM_X86_BOOT_H
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#define _ASM_X86_BOOT_H
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#include <asm/pgtable_types.h>
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#include <uapi/asm/boot.h>
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/* Physical address where kernel should be loaded. */
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#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
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+ (CONFIG_PHYSICAL_ALIGN - 1)) \
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& ~(CONFIG_PHYSICAL_ALIGN - 1))
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/* Minimum kernel alignment, as a power of two */
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#ifdef CONFIG_X86_64
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#define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT
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#else
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#define MIN_KERNEL_ALIGN_LG2 (PAGE_SHIFT + THREAD_SIZE_ORDER)
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#endif
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#define MIN_KERNEL_ALIGN (_AC(1, UL) << MIN_KERNEL_ALIGN_LG2)
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#if (CONFIG_PHYSICAL_ALIGN & (CONFIG_PHYSICAL_ALIGN-1)) || \
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(CONFIG_PHYSICAL_ALIGN < MIN_KERNEL_ALIGN)
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#error "Invalid value for CONFIG_PHYSICAL_ALIGN"
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#endif
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#ifdef CONFIG_KERNEL_BZIP2
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#define BOOT_HEAP_SIZE 0x400000
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#else /* !CONFIG_KERNEL_BZIP2 */
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#define BOOT_HEAP_SIZE 0x8000
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#endif /* !CONFIG_KERNEL_BZIP2 */
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#ifdef CONFIG_X86_64
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#define BOOT_STACK_SIZE 0x4000
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#else
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#define BOOT_STACK_SIZE 0x1000
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#endif
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#endif /* _ASM_X86_BOOT_H */
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