| #ifndef __E820MAP_H |
| #define __E820MAP_H |
| |
| #include "types.h" // u64 |
| |
| #define E820_RAM 1 |
| #define E820_RESERVED 2 |
| #define E820_ACPI 3 |
| #define E820_NVS 4 |
| #define E820_UNUSABLE 5 |
| #define E820_HOLE ((u32)-1) // Useful for removing entries |
| |
| struct e820entry { |
| u64 start; |
| u64 size; |
| u32 type; |
| }; |
| |
| void add_e820(u64 start, u64 size, u32 type); |
| void memmap_setup(); |
| void memmap_finalize(); |
| |
| // e820 map storage (defined in system.c) |
| extern struct e820entry e820_list[]; |
| extern int e820_count; |
| |
| // Space for exported bios tables (defined in misc.c) |
| extern u32 bios_table_cur_addr, bios_table_end_addr; |
| extern char BiosTableSpace[]; |
| |
| #endif // e820map.h |