From: Yongbok Kim <yongbok....@imgtec.com> Config3.ISAOnExc is read only in nanoMIPS
Signed-off-by: Yongbok Kim <yongbok....@mips.com> --- target/mips/op_helper.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 102a039..9946f77 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1734,7 +1734,8 @@ void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1) void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1) { - if (env->insn_flags & ASE_MICROMIPS) { + if ((env->insn_flags & ASE_MICROMIPS) && + !(env->insn_flags & ISA_NANOMIPS32)) { env->CP0_Config3 = (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC)) | (arg1 & (1 << CP0C3_ISA_ON_EXC)); } -- 1.9.1