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-rw-r--r--linux-user/signal.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 4edd974ce1..7d168e100f 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -2228,7 +2228,6 @@ void sparc64_set_context(CPUSPARCState *env)
target_mc_gregset_t *grp;
abi_ulong pc, npc, tstate;
abi_ulong fp, i7, w_addr;
- unsigned char fenab;
int err;
unsigned int i;
@@ -2293,7 +2292,11 @@ void sparc64_set_context(CPUSPARCState *env)
if (put_user(i7, w_addr + offsetof(struct target_reg_window, ins[7]),
abi_ulong) != 0)
goto do_sigsegv;
- err |= __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
+ /* FIXME this does not match how the kernel handles the FPU in
+ * its sparc64_set_context implementation. In particular the FPU
+ * is only restored if fenab is non-zero in:
+ * __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
+ */
err |= __get_user(env->fprs, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fprs));
{
uint32_t *src, *dst;