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Diffstat (limited to 'arch/mips/math-emu/kernel_linkage.c')
-rw-r--r--arch/mips/math-emu/kernel_linkage.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/mips/math-emu/kernel_linkage.c b/arch/mips/math-emu/kernel_linkage.c
index 3aeae07ed5b..9b46213b103 100644
--- a/arch/mips/math-emu/kernel_linkage.c
+++ b/arch/mips/math-emu/kernel_linkage.c
@@ -40,9 +40,8 @@ void fpu_emulator_init_fpu(void)
}
current->thread.fpu.fcr31 = 0;
- for (i = 0; i < 32; i++) {
- current->thread.fpu.fpr[i] = SIGNALLING_NAN;
- }
+ for (i = 0; i < 32; i++)
+ set_fpr64(&current->thread.fpu.fpr[i], 0, SIGNALLING_NAN);
}
@@ -59,7 +58,8 @@ int fpu_emulator_save_context(struct sigcontext __user *sc)
for (i = 0; i < 32; i++) {
err |=
- __put_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
+ __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),
+ &sc->sc_fpregs[i]);
}
err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
@@ -70,10 +70,11 @@ int fpu_emulator_restore_context(struct sigcontext __user *sc)
{
int i;
int err = 0;
+ u64 fpr_val;
for (i = 0; i < 32; i++) {
- err |=
- __get_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
+ err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
+ set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);
}
err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
@@ -93,7 +94,8 @@ int fpu_emulator_save_context32(struct sigcontext32 __user *sc)
for (i = 0; i < 32; i += inc) {
err |=
- __put_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
+ __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),
+ &sc->sc_fpregs[i]);
}
err |= __put_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);
@@ -105,10 +107,11 @@ int fpu_emulator_restore_context32(struct sigcontext32 __user *sc)
int i;
int err = 0;
int inc = test_thread_flag(TIF_32BIT_FPREGS) ? 2 : 1;
+ u64 fpr_val;
for (i = 0; i < 32; i += inc) {
- err |=
- __get_user(current->thread.fpu.fpr[i], &sc->sc_fpregs[i]);
+ err |= __get_user(fpr_val, &sc->sc_fpregs[i]);
+ set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val);
}
err |= __get_user(current->thread.fpu.fcr31, &sc->sc_fpc_csr);