u-boot/arch/x86/include/asm/e820.h
Simon Glass 631c2b9fc4 x86: zboot: Add an option to dump the setup information
There is a lot of information in the setup block and it is quite hard to
decode manually. Add a 'zboot dump' command to decode it into a
human-readable format.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-09-25 11:27:10 +08:00

31 lines
752 B
C

#ifndef _ASM_X86_E820_H
#define _ASM_X86_E820_H
#define E820MAX 128 /* number of entries in E820MAP */
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
#define E820_UNUSABLE 5
#define E820_COUNT 6 /* Number of types */
#ifndef __ASSEMBLY__
#include <linux/types.h>
struct e820_entry {
__u64 addr; /* start of memory segment */
__u64 size; /* size of memory segment */
__u32 type; /* type of memory segment */
} __attribute__((packed));
#define ISA_START_ADDRESS 0xa0000
#define ISA_END_ADDRESS 0x100000
#endif /* __ASSEMBLY__ */
/* Implementation defined function to install an e820 map */
unsigned int install_e820_map(unsigned int max_entries,
struct e820_entry *);
#endif /* _ASM_X86_E820_H */