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Code Issues Releases Activity

Fix off by one errors in cache flush calls (mostly harmless).

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This commit is contained in:
Jake Burkholder 2002-04-20 15:58:40 +00:00
parent 26956cba94
commit bb52b4f3fc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=95133
1 changed files with 3 additions and 3 deletions
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6
sys/sparc64/sparc64/pmap.c
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@ -1603,7 +1603,7 @@ pmap_zero_page(vm_page_t m)
vm_offset_t pa = VM_PAGE_TO_PHYS(m);
CTR1(KTR_PMAP, "pmap_zero_page: pa=%#lx", pa);
dcache_inval_phys(pa, pa + PAGE_SIZE);
dcache_inval_phys(pa, pa + PAGE_SIZE - 1);
aszero(ASI_PHYS_USE_EC, pa, PAGE_SIZE);
}
@ -1615,7 +1615,7 @@ pmap_zero_page_area(vm_page_t m, int off, int size)
CTR3(KTR_PMAP, "pmap_zero_page_area: pa=%#lx off=%#x size=%#x",
pa, off, size);
KASSERT(off + size <= PAGE_SIZE, ("pmap_zero_page_area: bad off/size"));
dcache_inval_phys(pa + off, pa + off + size);
dcache_inval_phys(pa + off, pa + off + size - 1);
aszero(ASI_PHYS_USE_EC, pa + off, size);
}
@ -1629,7 +1629,7 @@ pmap_copy_page(vm_page_t msrc, vm_page_t mdst)
vm_offset_t dst = VM_PAGE_TO_PHYS(mdst);
CTR2(KTR_PMAP, "pmap_copy_page: src=%#lx dst=%#lx", src, dst);
dcache_inval_phys(dst, dst + PAGE_SIZE);
dcache_inval_phys(dst, dst + PAGE_SIZE - 1);
ascopy(ASI_PHYS_USE_EC, src, dst, PAGE_SIZE);
}