diff options
Diffstat (limited to 'qemu/target-ppc/mem_helper.c')
| -rw-r--r-- | qemu/target-ppc/mem_helper.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/qemu/target-ppc/mem_helper.c b/qemu/target-ppc/mem_helper.c index 6d37dae7b..6d584c912 100644 --- a/qemu/target-ppc/mem_helper.c +++ b/qemu/target-ppc/mem_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" @@ -100,8 +101,10 @@ void helper_lswx(CPUPPCState *env, target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb) { if (likely(xer_bc != 0)) { - if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) || - (reg < rb && (reg + xer_bc) > rb))) { + int num_used_regs = (xer_bc + 3) / 4; + if (unlikely((ra != 0 && lsw_reg_in_range(reg, num_used_regs, ra)) || + lsw_reg_in_range(reg, num_used_regs, rb))) { + env->nip += 4; /* Compensate the "nip - 4" from gen_lswx() */ helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_LSWX); |