diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/gplinclude/memory.h')
-rw-r--r-- | contrib/syslinux-4.02/com32/gplinclude/memory.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/gplinclude/memory.h b/contrib/syslinux-4.02/com32/gplinclude/memory.h new file mode 100644 index 0000000..fe33c18 --- /dev/null +++ b/contrib/syslinux-4.02/com32/gplinclude/memory.h @@ -0,0 +1,53 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2009 Pierre-Alexandre Meyer + * + * Some parts borrowed from meminfo.c32: + * + * Copyright 2003-2009 H. Peter Anvin - All Rights Reserved + * Copyright 2009 Intel Corporation; author: H. Peter Anvin + * + * Some parts borrowed from Linux: + * + * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright 2007 rPath, Inc. - All Rights Reserved + * Copyright 2009 Intel Corporation; author H. Peter Anvin + * + * This file is part of Syslinux, and is made available under + * the terms of the GNU General Public License version 2. + * + * ----------------------------------------------------------------------- */ + +#ifndef _MEMORY_H_ +#define _MEMORY_H_ +#include <stdint.h> + +#define E820MAX 128 +#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 + +#define RES_START 0xa0000 +#define RES_END 0x100000 + +struct e820entry { + uint64_t addr; /* start of memory segment */ + uint64_t size; /* size of memory segment */ + uint64_t type; /* type of memory segment */ +} __attribute__ ((packed)); + +const char *const e820_types[5]; + +void get_type(int, char *, int); +void detect_memory_e820(struct e820entry *desc, int size_map, int *size_found); +int detect_memory_e801(int *, int *); +int detect_memory_88(int *); + +/* The following stuff could be merge once the addr_t will be set to 64bits. + * syslinux_scan_memory can be used for that purpose */ +unsigned long memsize_e820(struct e820entry *e820, int e820_nr); +int sanitize_e820_map(struct e820entry *orig_map, struct e820entry *new_bios, + short old_nr); +unsigned long detect_memsize(void); +#endif |