* FPU support code, moved here from head.S so that it can be used
* by chips which use other head-whatever.S files.
*
+ * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ * Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
+ * Copyright (C) 1996 Paul Mackerras.
+ * Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
*
*/
-#include <linux/config.h>
#include <asm/reg.h>
#include <asm/page.h>
#include <asm/mmu.h>
* to another. Instead we call giveup_fpu in switch_to.
*/
#ifndef CONFIG_SMP
- LOADBASE(r3, last_task_used_math)
+ LOAD_REG_ADDRBASE(r3, last_task_used_math)
toreal(r3)
- PPC_LL r4,OFF(last_task_used_math)(r3)
+ PPC_LL r4,ADDROFF(last_task_used_math)(r3)
PPC_LCMPI 0,r4,0
beq 1f
toreal(r4)
#else
ld r4,PACACURRENT(r13)
addi r5,r4,THREAD /* Get THREAD */
- ld r4,THREAD_FPEXC_MODE(r5)
+ lwz r4,THREAD_FPEXC_MODE(r5)
ori r12,r12,MSR_FP
or r12,r12,r4
std r12,_MSR(r1)
#endif
lfd fr0,THREAD_FPSCR(r5)
- mtfsf 0xff,fr0
+ MTFSF_L(fr0)
REST_32FPRS(0, r5)
#ifndef CONFIG_SMP
subi r4,r5,THREAD
fromreal(r4)
- PPC_STL r4,OFF(last_task_used_math)(r3)
+ PPC_STL r4,ADDROFF(last_task_used_math)(r3)
#endif /* CONFIG_SMP */
/* restore registers and return */
/* we haven't used ctr or xer or lr */
1:
#ifndef CONFIG_SMP
li r5,0
- LOADBASE(r4,last_task_used_math)
- PPC_STL r5,OFF(last_task_used_math)(r4)
+ LOAD_REG_ADDRBASE(r4,last_task_used_math)
+ PPC_STL r5,ADDROFF(last_task_used_math)(r4)
#endif /* CONFIG_SMP */
blr
_GLOBAL(cvt_fd)
lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
- mtfsf 0xff,0
+ MTFSF_L(0)
lfs 0,0(r3)
stfd 0,0(r4)
mffs 0
_GLOBAL(cvt_df)
lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
- mtfsf 0xff,0
+ MTFSF_L(0)
lfd 0,0(r3)
stfs 0,0(r4)
mffs 0