NetBSD/sys/arch/vax/include/mtpr.h

100 lines
4.5 KiB
C

/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of Lule}.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: mtpr.h,v 1.1 1994/08/02 20:20:38 ragge Exp $
*/
/* All bugs are subject to removal without further notice */
/******************************************************************************
Processor register numbers in the VAX /IC
******************************************************************************/
#define PR_KSP 0 /* Kernel Stack Pointer */
#define PR_ESP 1 /* Executive Stack Pointer */
#define PR_SSP 2 /* Supervisor Stack Pointer */
#define PR_USP 3 /* User Stack Pointer */
#define PR_ISP 4 /* Interrupt Stack Pointer */
#define PR_P0BR 8 /* P0 Base Register */
#define PR_P0LR 9 /* P0 Length Register */
#define PR_P1BR 10 /* P1 Base Register */
#define PR_P1LR 11 /* P1 Length Register */
#define PR_SBR 12 /* System Base Register */
#define PR_SLR 13 /* System Limit Register */
#define PR_PCBB 16 /* Process Control Block Base */
#define PR_SCBB 17 /* System Control Block Base */
#define PR_IPL 18 /* Interrupt Priority Level */
#define PR_ASTLVL 19 /* AST Level */
#define PR_SIRR 20 /* Software Interrupt Request */
#define PR_SISR 21 /* Software Interrupt Summary */
#define PR_MCSR 23 /* Machine Check Status Register 11/750 */
#define PR_ICCS 24 /* Interval Clock Control */
#define PR_NICR 25 /* Next Interval Count */
#define PR_ICR 26 /* Interval Count */
#define PR_TODR 27 /* Time Of Year (optional) */
#define PR_RXCS 32 /* Console Receiver C/S */
#define PR_RXDB 33 /* Console Receiver D/B */
#define PR_TXCS 34 /* Console Transmit C/S */
#define PR_TXDB 35 /* Console Transmit D/B */
#define PR_TBDR 36 /* Translation Buffer Group Disable Register 11/750 */
#define PR_IUR 37 /* Initialize Unibus Register 11/750 */
#define PR_MCESR 38 /* Machiune Check Error Summary Register 11/750 */
#define PR_MAPEN 56 /* Memory Management Enable */
#define PR_TBIA 57 /* Trans. Buf. Invalidate All */
#define PR_TBIS 58 /* Trans. Buf. Invalidate Single */
#define PR_PMR 61 /* Performance Monnitor Enable */
#define PR_SID 62 /* System ID Register */
#define PR_TBCHK 63 /* Translation Buffer Check */
/* Definitions for AST */
#define AST_NO 4
#define AST_OK 3
#define mtpr(val,reg) \
{ \
asm __volatile ("mtpr %0,%1" \
: /* No output */ \
: "g" (val), "g" (reg)); \
}
#define mfpr(reg) \
({ \
register int val; \
asm __volatile ("mfpr %1,%0" \
: "=g" (val) \
: "g" (reg)); \
val; \
})