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[IA64] simplified efi memory map parsing

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New version leaves the original memory map unmodified.
Also saves any granule trimmings for use by the uncached
memory allocator.

Inspired by Khalid Aziz (various traces of his patch still
remain).  Fixes to uncached_build_memmap() and sn2 testing
by Martin Hicks.

Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Tony Luck 2005-09-08 12:39:59 -07:00
parent 4706df3d3c
commit d8c97d5f3a
4 changed files with 254 additions and 193 deletions
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4
include/asm-ia64/meminit.h
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@ -16,10 +16,11 @@
* - initrd (optional)
* - command line string
* - kernel code & data
* - Kernel memory map built from EFI memory map
*
* More could be added if necessary
*/
#define IA64_MAX_RSVD_REGIONS 5
#define IA64_MAX_RSVD_REGIONS 6
struct rsvd_region {
unsigned long start; /* virtual address of beginning of element */
@ -33,6 +34,7 @@ extern void find_memory (void);
extern void reserve_memory (void);
extern void find_initrd (void);
extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
extern void efi_memmap_init(unsigned long *, unsigned long *);
/*
* For rounding an address to the next IA64_GRANULE_SIZE or order