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https://github.com/AsahiLinux/u-boot
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185f812c41
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find . -name '*.c' -exec \
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
#ifndef _ASM_X86_E820_H
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#define _ASM_X86_E820_H
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#define E820MAX 128 /* number of entries in E820MAP */
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#define E820_RAM 1
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#define E820_RESERVED 2
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#define E820_ACPI 3
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#define E820_NVS 4
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#define E820_UNUSABLE 5
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#define E820_COUNT 6 /* Number of types */
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#ifndef __ASSEMBLY__
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#include <linux/types.h>
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struct e820_entry {
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__u64 addr; /* start of memory segment */
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__u64 size; /* size of memory segment */
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__u32 type; /* type of memory segment */
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} __attribute__((packed));
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#define ISA_START_ADDRESS 0xa0000
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#define ISA_END_ADDRESS 0x100000
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/* Implementation-defined function to install an e820 map */
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unsigned int install_e820_map(unsigned int max_entries,
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struct e820_entry *);
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/**
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* cb_install_e820_map() - Install e820 map provided by coreboot sysinfo
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*
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* This should be used when booting from coreboot, since in that case the
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* memory areas are provided by coreboot in its sysinfo.
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*
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* @max_entries: Maximum number of entries to write
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* @entries: Place to put entires
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* Return: number of entries written
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*/
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unsigned int cb_install_e820_map(unsigned int max_entries,
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struct e820_entry *entries);
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_X86_E820_H */
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