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Leave TS and RE alone for the benefit of emips, which failed

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to boot even earlier after locore.S:1.211.

Do this unconditionally to avoid introducing more ifdefs.
Also tested on ci20 and erlite.
This commit is contained in:
maya 2018-03-28 17:56:52 +00:00
parent 0223f0c872
commit 94f4c3acd8
1 changed files with 8 additions and 6 deletions
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14
sys/arch/mips/mips/locore.S
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@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.217 2018/03/07 20:48:00 maya Exp $ */
/* $NetBSD: locore.S,v 1.218 2018/03/28 17:56:52 maya Exp $ */
/*
* Copyright (c) 1992, 1993
@ -63,7 +63,7 @@
#include <mips/trap.h>
#include <mips/locore.h>
RCSID("$NetBSD: locore.S,v 1.217 2018/03/07 20:48:00 maya Exp $")
RCSID("$NetBSD: locore.S,v 1.218 2018/03/28 17:56:52 maya Exp $")
#include "assym.h"
@ -73,16 +73,18 @@ RCSID("$NetBSD: locore.S,v 1.217 2018/03/07 20:48:00 maya Exp $")
.globl _C_LABEL(kernel_text) # libkvm refers this
start:
_C_LABEL(kernel_text):
/* First disable the interrupts only, for safety */
mfc0 k0, MIPS_COP_0_STATUS
MFC0_HAZARD
/* First disable the interrupts only, for safety */
and k0, ~MIPS_SR_INT_IE
mtc0 k0, MIPS_COP_0_STATUS
COP0_SYNC
/* Known state: BEV, coprocessors disabled */
mtc0 zero, MIPS_COP_0_STATUS
mtc0 zero, MIPS_COP_0_CAUSE
/* Known state: BEV, coprocessors disabled. */
/* Leaving TS | RE alone (for emips) */
and k0, MIPS_SR_TS | MIPS3_SR_RE
mtc0 k0, MIPS_COP_0_STATUS
COP0_SYNC
#ifdef _LP64