[src/trunk]: src/sys/arch/mips Remove a magic number.

[simonb <simonb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/32e8c5aff5bc
branches:  trunk
changeset: 1011830:32e8c5aff5bc
user:      simonb <simonb%NetBSD.org@localhost>
date:      Mon Jul 13 09:00:40 2020 +0000

description:
Remove a magic number.

diffstat:

 sys/arch/mips/include/cpuregs.h |  5 ++++-
 sys/arch/mips/mips/trap.c       |  6 +++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diffs (46 lines):

diff -r e19b3eb3499e -r 32e8c5aff5bc sys/arch/mips/include/cpuregs.h
--- a/sys/arch/mips/include/cpuregs.h   Mon Jul 13 08:59:34 2020 +0000
+++ b/sys/arch/mips/include/cpuregs.h   Mon Jul 13 09:00:40 2020 +0000
@@ -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
diff -r e19b3eb3499e -r 32e8c5aff5bc sys/arch/mips/mips/trap.c
--- a/sys/arch/mips/mips/trap.c Mon Jul 13 08:59:34 2020 +0000
+++ b/sys/arch/mips/mips/trap.c Mon Jul 13 09:00:40 2020 +0000
@@ -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 @@
        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