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update some comments.

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This commit is contained in:
chs 2001-08-12 00:20:32 +00:00
parent a3119c10de
commit 7c661278ee
1 changed files with 3 additions and 10 deletions
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13
sys/arch/i386/include/pmap.h
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.58 2001/05/30 12:28:44 mrg Exp $ */
/* $NetBSD: pmap.h,v 1.59 2001/08/12 00:20:32 chs Exp $ */
/*
*
@ -134,9 +134,9 @@
* note that mapping of the PDP at PTP#959's VA (0xeffbf000) is
* defined as "PDP_BASE".... within that mapping there are two
* defines:
* "PDP_PDE" (0xeffbfefc) is the VA of the PDE in the PDP
* "PDP_PDE" (0xbfeffbfc) is the VA of the PDE in the PDP
* which points back to itself.
* "APDP_PDE" (0xeffbfffc) is the VA of the PDE in the PDP which
* "APDP_PDE" (0xbfeffffc) is the VA of the PDE in the PDP which
* establishes the recursive mapping of the alternate pmap.
* to set the alternate PDP, one just has to put the correct
* PA info in *APDP_PDE.
@ -168,13 +168,6 @@
#define PDP_PDE (PDP_BASE + PDSLOT_PTE)
#define APDP_PDE (PDP_BASE + PDSLOT_APTE)
/*
* XXXCDC: tmp xlate from old names:
* PTDPTDI -> PDSLOT_PTE
* KPTDI -> PDSLOT_KERN
* APTDPTDI -> PDSLOT_APTE
*/
/*
* the follow define determines how many PTPs should be set up for the
* kernel by locore.s at boot time. this should be large enough to