david/ipxe
david
/
ipxe
Archived
1
0
Fork 0
This repository has been archived on 2020-12-06. You can view files and clone it, but cannot push or open issues or pull requests.
ipxe/src/arch/i386/include/memsizes.h

35 lines
693 B
C

#ifndef MEMSIZES_H
#define MEMSIZES_H
/*
* These structures seem to be very i386 (and, in fact, PCBIOS)
* specific, so I've moved them out of etherboot.h.
*
*/
struct e820entry {
uint64_t addr;
uint64_t size;
uint32_t type;
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */
#define E820_NVS 4
} __attribute__ (( packed ));
#define E820ENTRY_SIZE 20
#define E820MAX 32
struct meminfo {
uint16_t basememsize;
uint16_t pad;
uint32_t memsize;
uint32_t map_count;
struct e820entry map[E820MAX];
} __attribute__ (( packed ));
extern struct meminfo meminfo;
extern void get_memsizes ( void );
#endif /* MEMSIZES_H */