[src/trunk]: src/sys/arch/x68k/x68k Handle F line emulation correctly when FP...

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

details:   https://anonhg.NetBSD.org/src/rev/57c4a3bd30d1
branches:  trunk
changeset: 472023:57c4a3bd30d1
user:      minoura <minoura%NetBSD.org@localhost>
date:      Sun Apr 18 14:37:09 1999 +0000

description:
Handle F line emulation correctly when FPU_EMULATE is enabled.

diffstat:

 sys/arch/x68k/x68k/locore.s |  19 ++++++++++++++-----
 1 files changed, 14 insertions(+), 5 deletions(-)

diffs (44 lines):

diff -r 004d52484144 -r 57c4a3bd30d1 sys/arch/x68k/x68k/locore.s
--- a/sys/arch/x68k/x68k/locore.s       Sun Apr 18 14:34:52 1999 +0000
+++ b/sys/arch/x68k/x68k/locore.s       Sun Apr 18 14:37:09 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.41 1999/03/24 05:51:18 mrg Exp $  */
+/*     $NetBSD: locore.s,v 1.42 1999/04/18 14:37:09 minoura Exp $      */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -265,21 +265,30 @@
 /*
  * FP exceptions.
  */
+#include "opt_fpuemulate.h"
 _fpfline:
 #if defined(M68040)
+       cmpl    #FPU_68040,_C_LABEL(fputype) | 64040 FPU?
+       jne     Lfp_unimp               | no, skip FPSP
        cmpw    #0x202c,sp@(6)          | format type 2?
-       jne     _illinst                | no, not an FP emulation
+       jne     _C_LABEL(illinst)       | no, not an FP emulation
 #ifdef FPSP
-       .globl fpsp_unimp
-       jmp     fpsp_unimp              | yes, go handle it
+       jmp     _ASM_LABEL(fpsp_unimp)  | yes, go handle it
 #else
        clrl    sp@-                    | stack adjust count
        moveml  #0xFFFF,sp@-            | save registers
        moveq   #T_FPEMULI,d0           | denote as FP emulation trap
        jra     fault                   | do it
 #endif
+Lfp_unimp:
+#endif
+#ifdef FPU_EMULATE
+       clrl    sp@-                    | stack adjust count
+       moveml  #0xFFFF,sp@-            | save registers
+       moveq   #T_FPEMULI,d0           | denote as FP emulation trap
+       jra     _ASM_LABEL(fault)       | do it
 #else
-       jra     _illinst
+       jra     _C_LABEL(illinst)
 #endif
 
 _fpunsupp: