diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m68k/kernel/process.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index c55ff719fa72..4ba1ae7345c3 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -203,11 +203,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, } /* Fill in the fpu structure for a core dump. */ -#ifdef CONFIG_FPU int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu) { - char fpustate[216]; - if (FPU_IS_EMU) { int i; @@ -222,37 +219,40 @@ int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu) return 1; } - /* First dump the fpu context to avoid protocol violation. */ - asm volatile ("fsave %0" :: "m" (fpustate[0]) : "memory"); - if (!CPU_IS_060 ? !fpustate[0] : !fpustate[2]) - return 0; + if (IS_ENABLED(CONFIG_FPU)) { + char fpustate[216]; - if (CPU_IS_COLDFIRE) { - asm volatile ("fmovel %/fpiar,%0\n\t" - "fmovel %/fpcr,%1\n\t" - "fmovel %/fpsr,%2\n\t" - "fmovemd %/fp0-%/fp7,%3" - : - : "m" (fpu->fpcntl[0]), - "m" (fpu->fpcntl[1]), - "m" (fpu->fpcntl[2]), - "m" (fpu->fpregs[0]) - : "memory"); - } else { - asm volatile ("fmovem %/fpiar/%/fpcr/%/fpsr,%0" - : - : "m" (fpu->fpcntl[0]) - : "memory"); - asm volatile ("fmovemx %/fp0-%/fp7,%0" - : - : "m" (fpu->fpregs[0]) - : "memory"); + /* First dump the fpu context to avoid protocol violation. */ + asm volatile ("fsave %0" :: "m" (fpustate[0]) : "memory"); + if (!CPU_IS_060 ? !fpustate[0] : !fpustate[2]) + return 0; + + if (CPU_IS_COLDFIRE) { + asm volatile ("fmovel %/fpiar,%0\n\t" + "fmovel %/fpcr,%1\n\t" + "fmovel %/fpsr,%2\n\t" + "fmovemd %/fp0-%/fp7,%3" + : + : "m" (fpu->fpcntl[0]), + "m" (fpu->fpcntl[1]), + "m" (fpu->fpcntl[2]), + "m" (fpu->fpregs[0]) + : "memory"); + } else { + asm volatile ("fmovem %/fpiar/%/fpcr/%/fpsr,%0" + : + : "m" (fpu->fpcntl[0]) + : "memory"); + asm volatile ("fmovemx %/fp0-%/fp7,%0" + : + : "m" (fpu->fpregs[0]) + : "memory"); + } } return 1; } EXPORT_SYMBOL(dump_fpu); -#endif /* CONFIG_FPU */ unsigned long get_wchan(struct task_struct *p) { |