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Use setpgt4m(), not bzero(), to initialize a pmap's first-level page table. 

Fix a slightly misleading comment.
This commit is contained in:
pk 1997-07-09 21:51:26 +00:00
parent df05f3a8b1
commit f3dc7ce0f4
1 changed files with 4 additions and 3 deletions
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7
sys/arch/sparc/sparc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.88 1997/07/08 20:02:47 pk Exp $ */
/* $NetBSD: pmap.c,v 1.89 1997/07/09 21:51:26 pk Exp $ */
/*
* Copyright (c) 1996
@ -3525,7 +3525,7 @@ pmap_pinit(pm)
* We must allocate and initialize hardware-readable (MMU)
* pagetables. We must also map the kernel regions into this
* pmap's pagetables, so that we can access the kernel from
* user mode!
* this user context.
*
* Note: pm->pm_regmap's have been zeroed already, so we don't
* need to explicitly mark them as invalid (a null
@ -3544,7 +3544,8 @@ pmap_pinit(pm)
#endif
pm->pm_reg_ptps = urp;
pm->pm_reg_ptps_pa = VA2PA(urp);
qzero(urp, SRMMU_L1SIZE * sizeof(int));
for (i = 0; i < NUREG; i++)
setpgt4m(&pm->pm_reg_ptps[i], SRMMU_TEINVALID);
/* Copy kernel regions */
for (i = 0; i < NKREG; i++) {