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Add definitions for 64-bit PTEs

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This commit is contained in:
Peter Grehan 2005-11-11 12:03:28 +00:00
parent d941425873
commit 58d7d1a8fa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=152310
1 changed files with 47 additions and 10 deletions
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57
sys/powerpc/include/pte.h
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@ -39,17 +39,31 @@
* Page Table Entries
*/
#ifndef LOCORE
#include <sys/queue.h>
/* 32-bit PTE */
struct pte {
u_int pte_hi;
u_int pte_lo;
u_int32_t pte_hi;
u_int32_t pte_lo;
};
struct pteg {
struct pte pt[8];
};
/* 64-bit (long) PTE */
struct lpte {
u_int64_t pte_hi;
u_int64_t pte_lo;
};
struct lpteg {
struct lpte pt[8];
};
#endif /* LOCORE */
/* 32-bit PTE definitions */
/* High word: */
#define PTE_VALID 0x80000000
#define PTE_VSID_SHFT 7
@ -74,8 +88,38 @@ struct pteg {
#define PTE_EXEC 0x00000200 /* pseudo bit in attrs; page is exec */
/* 64-bit PTE definitions */
/* High quadword: */
#define LPTE_VSID_SHIFT 12
#define LPTE_API 0x0000000000000F80ULL
#define LPTE_BIG 0x0000000000000004ULL /* 4kb/16Mb page */
#define LPTE_HID 0x0000000000000002ULL
#define LPTE_VALID 0x0000000000000001ULL
/* Low quadword: */
#define EXTEND_PTE(x) UINT64_C(x) /* make constants 64-bit */
#define LPTE_RPGN 0xfffffffffffff000ULL
#define LPTE_REF EXTEND_PTE( PTE_REF )
#define LPTE_CHG EXTEND_PTE( PTE_CHG )
#define LPTE_WIMG EXTEND_PTE( PTE_WIMG )
#define LPTE_W EXTEND_PTE( PTE_W )
#define LPTE_I EXTEND_PTE( PTE_I )
#define LPTE_M EXTEND_PTE( PTE_M )
#define LPTE_G EXTEND_PTE( PTE_G )
#define LPTE_NOEXEC 0x0000000000000004ULL
#define LPTE_PP EXTEND_PTE( PTE_PP )
#define LPTE_SO EXTEND_PTE( PTE_SO ) /* Super. Only */
#define LPTE_SW EXTEND_PTE( PTE_SW ) /* Super. Write-Only */
#define LPTE_BW EXTEND_PTE( PTE_BW ) /* Supervisor */
#define LPTE_BR EXTEND_PTE( PTE_BR ) /* Both Read Only */
#define LPTE_RW LPTE_BW
#define LPTE_RO LPTE_BR
#ifndef LOCORE
typedef struct pte pte_t;
typedef struct lpte lpte_t;
#endif /* LOCORE */
/*
@ -87,13 +131,6 @@ typedef struct pte pte_t;
#define ADDR_API_SHFT 22
#define ADDR_POFF 0x00000fff
#ifndef LOCORE
#ifdef _KERNEL
extern pte_t *ptable;
extern int ptab_cnt;
#endif /* _KERNEL */
#endif /* LOCORE */
/*
* Bits in DSISR:
*/