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Remove PSL_USERCLR, and add a PSL_USERSTATIC. Change the bit descriptions to

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more closely match the 386 manual.  (Probably the mnemonics should be changed,
too.)
This commit is contained in:
mycroft 1995-01-15 00:57:50 +00:00
parent c7c817b91a
commit ecef8fddfa
1 changed files with 19 additions and 19 deletions
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38
sys/arch/i386/include/psl.h
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@ -1,4 +1,4 @@
/* $NetBSD: psl.h,v 1.15 1995/01/03 01:19:19 mycroft Exp $ */ /* $NetBSD: psl.h,v 1.16 1995/01/15 00:57:50 mycroft Exp $ */
/*- /*-
* Copyright (c) 1990 The Regents of the University of California. * Copyright (c) 1990 The Regents of the University of California.
@ -44,29 +44,29 @@
/* /*
* 386 processor status longword. * 386 processor status longword.
*/ */
#define PSL_C 0x00000001 /* carry bit */ #define PSL_C 0x00000001 /* carry flag */
#define PSL_PF 0x00000004 /* parity bit */ #define PSL_PF 0x00000004 /* parity flag */
#define PSL_AF 0x00000010 /* bcd carry bit */ #define PSL_AF 0x00000010 /* auxiliary carry flag */
#define PSL_Z 0x00000040 /* zero bit */ #define PSL_Z 0x00000040 /* zero flag */
#define PSL_N 0x00000080 /* negative bit */ #define PSL_N 0x00000080 /* sign flag */
#define PSL_T 0x00000100 /* trace enable bit */ #define PSL_T 0x00000100 /* trap flag */
#define PSL_I 0x00000200 /* interrupt enable bit */ #define PSL_I 0x00000200 /* interrupt enable flag */
#define PSL_D 0x00000400 /* string instruction direction bit */ #define PSL_D 0x00000400 /* direction flag */
#define PSL_V 0x00000800 /* overflow bit */ #define PSL_V 0x00000800 /* overflow flag */
#define PSL_IOPL 0x00003000 /* i/o priviledge level enable */ #define PSL_IOPL 0x00003000 /* i/o privilege level */
#define PSL_NT 0x00004000 /* nested task bit */ #define PSL_NT 0x00004000 /* nested task */
#define PSL_RF 0x00010000 /* restart flag bit */ #define PSL_RF 0x00010000 /* resume flag */
#define PSL_VM 0x00020000 /* virtual 8086 mode bit */ #define PSL_VM 0x00020000 /* virtual 8086 mode */
#define PSL_AC 0x00040000 /* alignment checking */ #define PSL_AC 0x00040000 /* alignment check flag */
#define PSL_VIF 0x00080000 /* virtual interrupt enable */ #define PSL_VIF 0x00080000 /* virtual interrupt enable flag */
#define PSL_VIP 0x00100000 /* virtual interrupt pending */ #define PSL_VIP 0x00100000 /* virtual interrupt pending flag */
#define PSL_ID 0x00200000 /* identification bit */ #define PSL_ID 0x00200000 /* identification flag */
#define PSL_MBO 0x00000002 /* must be one bits */ #define PSL_MBO 0x00000002 /* must be one bits */
#define PSL_MBZ 0xffc08028 /* must be zero bits */ #define PSL_MBZ 0xffc08028 /* must be zero bits */
#define PSL_USERSET (PSL_MBO | PSL_I) #define PSL_USERSET (PSL_MBO | PSL_I)
#define PSL_USERCLR (PSL_MBZ | PSL_VIP | PSL_VIF | PSL_NT | PSL_VM) #define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_VM | PSL_VIF | PSL_VIP)
#ifdef KERNEL #ifdef KERNEL