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Use __asm __volatile. Use _POWERPC_SPR_H_

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Add PTE_RO/PTE_RW for old pmap.
This commit is contained in:
matt 2001-06-23 03:16:11 +00:00
parent e25aa0ea82
commit dde0daca06
2 changed files with 11 additions and 9 deletions
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4
sys/arch/powerpc/include/mpc6xx/pte.h
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@ -1,4 +1,4 @@
/* $NetBSD: pte.h,v 1.4 2001/06/21 18:03:37 matt Exp $ */
/* $NetBSD: pte.h,v 1.5 2001/06/23 03:16:12 matt Exp $ */
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -65,6 +65,8 @@ struct pte {
#define PTE_SW 0x00000001 /* Super. Write-Only (U: RO, S: RW) */
#define PTE_BW 0x00000002 /* Supervisor (U: RW, S: RW) */
#define PTE_BR 0x00000003 /* Both Read Only (U: RO, S: RO) */
#define PTE_RW PTE_BW
#define PTE_RO PTE_BR
#ifndef _LOCORE
typedef struct pte pte_t;

16
sys/arch/powerpc/include/spr.h
View File

@ -1,12 +1,12 @@
#ifndef _SPR_H_
#define _SPR_H_
#ifndef _POWERPC_SPR_H_
#define _POWERPC_SPR_H_
#ifndef _LOCORE
#define mtspr(reg, val) \
asm volatile("mtspr %0,%1" : : "K"(reg), "r"(val))
#define mfspr(reg) \
( { u_int32_t val; \
asm volatile("mfspr %0,%1" : "=r"(val) : "K"(reg)); \
#define mtspr(reg, val) \
__asm __volatile("mtspr %0,%1" : : "K"(reg), "r"(val))
#define mfspr(reg) \
( { u_int32_t val; \
__asm __volatile("mfspr %0,%1" : "=r"(val) : "K"(reg)); \
val; } )
#endif /* _LOCORE */
@ -170,4 +170,4 @@
#define TBR_TBL 0x10c /* 468 Time Base Lower */
#define TBR_TBU 0x10d /* 468 Time Base Upper */
#endif /* !_SPR_H_ */
#endif /* !_POWERPC_SPR_H_ */