diff options
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 7 |
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; |