Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Clean up inline assembler. Rather than saving R0, copying FPSR to R0, 

copying it to the output register and then restoring R0, just copy the
FPSR straight to the output.
This commit is contained in:
bjh21 2002-03-10 00:09:24 +00:00
parent 240c70fa15
commit 01b68bd7de
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/arch/arm/arm32/cpu.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.20 2002/03/09 23:49:15 bjh21 Exp $ */
/* $NetBSD: cpu.c,v 1.21 2002/03/10 00:09:24 bjh21 Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
@ -46,7 +46,7 @@
#include <sys/param.h>
__RCSID("$NetBSD: cpu.c,v 1.20 2002/03/09 23:49:15 bjh21 Exp $");
__RCSID("$NetBSD: cpu.c,v 1.21 2002/03/10 00:09:24 bjh21 Exp $");
#include <sys/systm.h>
#include <sys/malloc.h>
@ -117,10 +117,7 @@ fpa_handler(u_int address, u_int instruction, trapframe_t *frame,
{
u_int fpsr;
__asm __volatile("stmfd sp!, {r0};"
"rfs r0;"
"mov %0, r0;"
"ldmfd sp!, {r0}" : "=r" (fpsr));
__asm __volatile("rfs %0" : "=r" (fpsr));
printf("FPA exception: fpsr = %08x\n", fpsr);
@ -197,10 +194,7 @@ identify_master_cpu(struct device *dv, int cpu_number)
undefined_test = 0;
__asm __volatile("stmfd sp!, {r0};"
"rfs r0;"
"mov %0, r0;"
"ldmfd sp!, {r0}" : "=r" (fpsr));
__asm __volatile("rfs %0" : "=r" (fpsr));
remove_coproc_handler(uh);