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Remove a magic number.

This commit is contained in:
simonb 2020-07-13 09:00:40 +00:00
parent 2f0f2880cd
commit fe24623a96
2 changed files with 7 additions and 4 deletions
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5
sys/arch/mips/include/cpuregs.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpuregs.h,v 1.99 2020/05/24 07:15:24 simonb Exp $ */
/* $NetBSD: cpuregs.h,v 1.100 2020/07/13 09:00:40 simonb Exp $ */
/*
* Copyright (c) 2009 Miodrag Vallat.
@ -188,6 +188,9 @@
*/
#define MIPS_CR_BR_DELAY 0x80000000
#define MIPS_CR_COP_ERR 0x30000000
#define MIPS_CR_COP_ERR_CU1 1
#define MIPS_CR_COP_ERR_CU2 2
#define MIPS_CR_COP_ERR_CU3 3
#define MIPS1_CR_EXC_CODE 0x0000003C /* four bits */
#define MIPS3_CR_EXC_CODE 0x0000007C /* five bits */
#define MIPS_CR_IP 0x0000FF00

6
sys/arch/mips/mips/trap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.254 2020/06/25 08:00:49 simonb Exp $ */
/* $NetBSD: trap.c,v 1.255 2020/07/13 09:00:40 simonb Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.254 2020/06/25 08:00:49 simonb Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.255 2020/07/13 09:00:40 simonb Exp $");
#include "opt_cputype.h" /* which mips CPU levels do we support? */
#include "opt_ddb.h"
@ -600,7 +600,7 @@ trap(uint32_t status, uint32_t cause, vaddr_t vaddr, vaddr_t pc,
case T_RES_INST+T_USER:
case T_COP_UNUSABLE+T_USER:
#if !defined(FPEMUL) && !defined(NOFPU)
if ((cause & MIPS_CR_COP_ERR) == 0x10000000) {
if (__SHIFTOUT(cause, MIPS_CR_COP_ERR) == MIPS_CR_COP_ERR_CU1) {
fpu_load(); /* load FPA */
} else
#endif