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Add options to select between 4k, 8k and 16k page sizes on ia64. The

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default is now 8k.
This commit is contained in:
Doug Rabson 2001-09-07 11:03:39 +00:00
parent b68657dd33
commit d452f533f7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=83198
2 changed files with 19 additions and 0 deletions
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4
sys/conf/options.ia64
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@ -3,6 +3,10 @@
ITANIUM opt_global.h
PAGE_SIZE_4K opt_global.h
PAGE_SIZE_8K opt_global.h
PAGE_SIZE_16K opt_global.h
PPC_PROBE_CHIPSET opt_ppc.h
PPC_DEBUG opt_ppc.h

15
sys/ia64/include/param.h
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@ -112,8 +112,23 @@
#define ALIGN(p) _ALIGN(p)
#define ALIGNED_POINTER(p,t) _ALIGNED_POINTER(p,t)
#if !defined(PAGE_SIZE_4K) && !defined(PAGE_SIZE_8K) && !defined(PAGE_SIZE_16K)
#define PAGE_SIZE_8K
#endif
#ifdef PAGE_SIZE_4K
#define PAGE_SIZE 4096 /* bytes/page */
#define PAGE_SHIFT 12
#endif
#ifdef PAGE_SIZE_8K
#define PAGE_SIZE 8192 /* bytes/page */
#define PAGE_SHIFT 13
#endif
#ifdef PAGE_SIZE_16K
#define PAGE_SIZE 16384 /* bytes/page */
#define PAGE_SHIFT 14
#endif
#define PAGE_MASK (PAGE_SIZE-1)
#define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t)))