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Merge jmallett@'s n64 work into HEAD

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64 bit TLB definitions in pte.h

Reviewed by:	imp
Obtained from:	jmallett (http://svn.freebsd.org/base/user/jmallett/octeon)
This commit is contained in:
Jayachandran C. 2010-07-12 07:42:42 +00:00
parent c15f697768
commit d204450e8d
1 changed files with 16 additions and 0 deletions
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16
sys/mips/include/pte.h
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@ -82,8 +82,24 @@ typedef pt_entry_t *pd_entry_t;
* Note that in FreeBSD, we map 2 TLB pages is equal to 1 VM page.
*/
#define TLBHI_ASID_MASK (0xff)
#if defined(__mips_n64)
#define TLBHI_R_SHIFT 62
#define TLBHI_R_USER (0x00UL << TLBHI_R_SHIFT)
#define TLBHI_R_SUPERVISOR (0x01UL << TLBHI_R_SHIFT)
#define TLBHI_R_KERNEL (0x03UL << TLBHI_R_SHIFT)
#define TLBHI_R_MASK (0x03UL << TLBHI_R_SHIFT)
#define TLBHI_VA_R(va) ((va) & TLBHI_R_MASK)
#define TLBHI_FILL_SHIFT 40
#define TLBHI_VPN2_SHIFT (TLB_PAGE_SHIFT + 1)
#define TLBHI_VPN2_MASK (((~((1UL << TLBHI_VPN2_SHIFT) - 1)) << (63 - TLBHI_FILL_SHIFT)) >> (63 - TLBHI_FILL_SHIFT))
#define TLBHI_VA_TO_VPN2(va) ((va) & TLBHI_VPN2_MASK)
#define TLBHI_ENTRY(va, asid) ((TLBHI_VA_R((va))) /* Region. */ | \
(TLBHI_VA_TO_VPN2((va))) /* VPN2. */ | \
((asid) & TLBHI_ASID_MASK))
#else
#define TLBHI_PAGE_MASK (2 * PAGE_SIZE - 1)
#define TLBHI_ENTRY(va, asid) (((va) & ~TLBHI_PAGE_MASK) | ((asid) & TLBHI_ASID_MASK))
#endif
/*
* TLB flags managed in hardware: