cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

meminit.h (1751B)


      1#ifndef meminit_h
      2#define meminit_h
      3
      4/*
      5 * This file is subject to the terms and conditions of the GNU General Public
      6 * License.  See the file "COPYING" in the main directory of this archive
      7 * for more details.
      8 */
      9
     10
     11/*
     12 * Entries defined so far:
     13 * 	- boot param structure itself
     14 * 	- memory map
     15 * 	- initrd (optional)
     16 * 	- command line string
     17 * 	- kernel code & data
     18 * 	- crash dumping code reserved region
     19 * 	- Kernel memory map built from EFI memory map
     20 * 	- ELF core header
     21 *
     22 * More could be added if necessary
     23 */
     24#define IA64_MAX_RSVD_REGIONS 9
     25
     26struct rsvd_region {
     27	u64 start;	/* virtual address of beginning of element */
     28	u64 end;	/* virtual address of end of element + 1 */
     29};
     30
     31extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
     32
     33extern void find_memory (void);
     34extern void reserve_memory (void);
     35extern void find_initrd (void);
     36extern int filter_rsvd_memory (u64 start, u64 end, void *arg);
     37extern int filter_memory (u64 start, u64 end, void *arg);
     38extern unsigned long efi_memmap_init(u64 *s, u64 *e);
     39extern int find_max_min_low_pfn (u64, u64, void *);
     40
     41extern unsigned long vmcore_find_descriptor_size(unsigned long address);
     42
     43/*
     44 * For rounding an address to the next IA64_GRANULE_SIZE or order
     45 */
     46#define GRANULEROUNDDOWN(n)	((n) & ~(IA64_GRANULE_SIZE-1))
     47#define GRANULEROUNDUP(n)	(((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
     48
     49#ifdef CONFIG_NUMA
     50  extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
     51#else
     52# define call_pernode_memory(start, len, func)	(*func)(start, len, 0)
     53#endif
     54
     55#define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
     56
     57extern int register_active_ranges(u64 start, u64 len, int nid);
     58
     59#endif /* meminit_h */