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go back to the first version of the pte/pde dance now that kvtopte() 

has been changed to consisently return a pointer into the recursive
page table mapping.
This commit is contained in:
chs 2000-12-06 03:20:35 +00:00
parent 2a95fc3517
commit 4fa4734937
1 changed files with 4 additions and 11 deletions
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15
sys/arch/i386/i386/db_disasm.c
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@ -1,4 +1,4 @@
/* $NetBSD: db_disasm.c,v 1.25 2000/12/05 10:45:09 jdolecek Exp $ */
/* $NetBSD: db_disasm.c,v 1.26 2000/12/06 03:20:35 chs Exp $ */
/*
* Mach Operating System
@ -1096,21 +1096,14 @@ db_disasm(loc, altfmt)
/*
* Don't try to disassemble the location if the mapping is invalid.
* If we do, we'll fault, and end up debugging the debugger!
* in a LARGEPAGES kernel, "pte" is really the pde and "pde" is
* really the entry for the pdp itself.
*/
if ((vaddr_t)loc >= VM_MIN_KERNEL_ADDRESS)
pte = kvtopte((vaddr_t)loc);
else
pte = vtopte((vaddr_t)loc);
/*
* pte is normally in user address space, but may also be in kernel
* address space for LARGEPAGES kernel.
*/
if ((vaddr_t)pte >= VM_MIN_KERNEL_ADDRESS)
pde = kvtopte((vaddr_t)pte);
else
pde = vtopte((vaddr_t)pte);
pde = vtopte((vaddr_t)pte);
if ((*pde & PG_V) == 0 || (*pte & PG_V) == 0) {
db_printf("invalid address\n");
return (loc);