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Diffstat (limited to 'arch/m68k/kernel/process.c')
-rw-r--r--arch/m68k/kernel/process.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index c55ff71..4ba1ae7 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)
{