diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-11-25 04:49:46 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-11-25 04:49:46 +0000 |
| commit | 4c55adaa6d06e5533aebaceea7640ecf10952231 (patch) | |
| tree | 0f2e4190d1e9db004e50c7f33a1fe46337fd1885 /arch/mips/kernel/process.c | |
| parent | 4c86076eb07eb647b1080355e18dc9d4c49bf7e1 (diff) | |
Kernel FPU emulator, chain saw edition.
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 6071935d5..d3ef5124f 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -6,6 +6,7 @@ * Copyright (C) 1994 - 2000 by Ralf Baechle and others. * Copyright (C) 1999 Silicon Graphics, Inc. */ +#include <linux/config.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -20,6 +21,7 @@ #include <linux/a.out.h> #include <asm/bootinfo.h> +#include <asm/cpu.h> #include <asm/pgtable.h> #include <asm/system.h> #include <asm/mipsregs.h> @@ -80,9 +82,13 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, childksp = (unsigned long)p + KERNEL_STACK_SIZE - 32; - if (last_task_used_math == current) { - set_cp0_status(ST0_CU1, ST0_CU1); - save_fp(p); + if (last_task_used_math == current) +#ifdef CONFIG_MIPS_FPU_EMULATOR + if (mips_cpu.options & MIPS_CPU_FPU) +#endif + { + set_cp0_status(ST0_CU1, ST0_CU1); + save_fp(p); } /* set up new TSS. */ childregs = (struct pt_regs *) childksp - 1; |