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- Hide more #ifdef logic in a new invlcaddr inline. This function flushes

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the full tlb if you're on an I386or does an invlpg otherwise.

Glanced at by:	peter
This commit is contained in:
Jeff Roberson 2003-10-01 05:56:46 +00:00
parent de78273e9c
commit 1419773de3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=120623
1 changed files with 13 additions and 15 deletions
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28
sys/i386/i386/pmap.c
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@ -2526,6 +2526,16 @@ pagezero(void *page)
bzero(page, PAGE_SIZE);
}
static __inline void
invlcaddr(void *caddr)
{
#ifdef I386_CPU
invltlb();
#else
invlpg((u_int)caddr);
#endif
}
/*
* pmap_zero_page zeros the specified hardware page by mapping
* the page into KVM and using bzero to clear its contents.
@ -2543,11 +2553,7 @@ pmap_zero_page(vm_page_t m)
*CMAP2 = PG_V | PG_RW | VM_PAGE_TO_PHYS(m) | PG_A | PG_M;
pagezero(CADDR2);
*CMAP2 = 0;
#ifdef I386_CPU
invltlb();
#else
invlpg((u_int)CADDR2);
#endif
invlcaddr(CADDR2);
#ifdef SMP
curthread->td_pcb->pcb_switchout = NULL;
#endif
@ -2576,11 +2582,7 @@ pmap_zero_page_area(vm_page_t m, int off, int size)
else
bzero((char *)CADDR2 + off, size);
*CMAP2 = 0;
#ifdef I386_CPU
invltlb();
#else
invlpg((u_int)CADDR2);
#endif
invlcaddr(CADDR2);
#ifdef SMP
curthread->td_pcb->pcb_switchout = NULL;
#endif
@ -2605,11 +2607,7 @@ pmap_zero_page_idle(vm_page_t m)
*CMAP3 = PG_V | PG_RW | VM_PAGE_TO_PHYS(m) | PG_A | PG_M;
pagezero(CADDR3);
*CMAP3 = 0;
#ifdef I386_CPU
invltlb();
#else
invlpg((u_int)CADDR3);
#endif
invlcaddr(CADDR3);
#ifdef SMP
curthread->td_pcb->pcb_switchout = NULL;
#endif