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ppc: Make float_invalid_op_excp() pass the return address

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Instead of relying on NIP having been updated already

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2016-07-27 16:56:26 +10:00 committed by David Gibson
parent f63fbc00d4
commit a93ecff935
1 changed files with 4 additions and 2 deletions
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6
target-ppc/fpu_helper.c
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@ -19,6 +19,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#define float64_snan_to_qnan(x) ((x) | 0x0008000000000000ULL)
#define float32_snan_to_qnan(x) ((x) | 0x00400000)
@ -200,8 +201,9 @@ static inline uint64_t float_invalid_op_excp(CPUPPCState *env, int op,
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0) {
helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | op);
/* GETPC() works here because this is inline */
raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | op, GETPC());
}
}
return ret;