Module Name: src
Committed By: mrg
Date: Fri Jun 7 00:18:26 UTC 2019
Modified Files:
src/sys/arch/sparc/sparc: locore.s
Log Message:
remove code to directly check for NULL savefpstate() calls.
it has not triggered for years now, and if it comes back,
you still get a normal kernel fault.
To generate a diff of this commit:
cvs rdiff -u -r1.273 -r1.274 src/sys/arch/sparc/sparc/locore.s
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/sparc/sparc/locore.s
diff -u src/sys/arch/sparc/sparc/locore.s:1.273 src/sys/arch/sparc/sparc/locore.s:1.274
--- src/sys/arch/sparc/sparc/locore.s:1.273 Sat Apr 6 03:06:27 2019
+++ src/sys/arch/sparc/sparc/locore.s Fri Jun 7 00:18:26 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.s,v 1.273 2019/04/06 03:06:27 thorpej Exp $ */
+/* $NetBSD: locore.s,v 1.274 2019/06/07 00:18:26 mrg Exp $ */
/*
* Copyright (c) 1996 Paul Kranenburg
@@ -5649,8 +5649,6 @@ ENTRY(ipi_savefpstate)
ENTRY(savefpstate)
cmp %o0, 0
- bz Lfp_null_fpstate
- nop
rd %psr, %o1 ! enable FP before we begin
set PSR_EF, %o2
or %o1, %o2, %o1
@@ -5692,22 +5690,6 @@ Lfp_finish:
retl
std %f30, [%o0 + FS_REGS + (4*30)]
-/* Handle NULL fpstate argument for savefpstate */
-Lfp_null_fpstate:
-#ifdef DIAGNOSTIC
- ld [%o5 + CPUINFO_CPUNO], %o1
- sethi %hi(Lpanic_savefpstate), %o0
- call _C_LABEL(panic)
- or %o0, %lo(Lpanic_savefpstate), %o0
-#else
- sethi %hi(CPUINFO_VA), %o5
- ldd [%o5 + CPUINFO_SAVEFPSTATE_NULL], %o2
- inccc %o3
- addx %o2, 0, %o2
- retl
- std %o2, [%o5 + CPUINFO_SAVEFPSTATE_NULL]
-#endif
-
/*
* Store the (now known nonempty) FP queue.
* We have to reread the fsr each time in order to get the new QNE bit.
