diff options
Diffstat (limited to 'target-arm/op_helper.c')
-rw-r--r-- | target-arm/op_helper.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index 51b04bdf98..43e345758b 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -33,6 +33,20 @@ static void raise_exception(CPUARMState *env, int tt) cpu_loop_exit(cs); } +static int exception_target_el(CPUARMState *env) +{ + int target_el = MAX(1, arm_current_el(env)); + + /* No such thing as secure EL1 if EL3 is aarch32, so update the target EL + * to EL3 in this case. + */ + if (arm_is_secure(env) && !arm_el_is_aa64(env, 3) && target_el == 1) { + target_el = 3; + } + + return target_el; +} + uint32_t HELPER(neon_tbl)(CPUARMState *env, uint32_t ireg, uint32_t def, uint32_t rn, uint32_t maxindex) { @@ -306,6 +320,7 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome) if (arm_feature(env, ARM_FEATURE_XSCALE) && ri->cp < 14 && extract32(env->cp15.c15_cpar, ri->cp, 1) == 0) { env->exception.syndrome = syndrome; + env->exception.target_el = exception_target_el(env); raise_exception(env, EXCP_UDEF); } @@ -318,9 +333,11 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome) return; case CP_ACCESS_TRAP: env->exception.syndrome = syndrome; + env->exception.target_el = exception_target_el(env); break; case CP_ACCESS_TRAP_UNCATEGORIZED: env->exception.syndrome = syn_uncategorized(); + env->exception.target_el = exception_target_el(env); break; default: g_assert_not_reached(); @@ -363,6 +380,7 @@ void HELPER(msr_i_pstate)(CPUARMState *env, uint32_t op, uint32_t imm) * to catch that case at translate time. */ if (arm_current_el(env) == 0 && !(env->cp15.sctlr_el[1] & SCTLR_UMA)) { + env->exception.target_el = exception_target_el(env); raise_exception(env, EXCP_UDEF); } @@ -422,6 +440,7 @@ void HELPER(pre_hvc)(CPUARMState *env) if (undef) { env->exception.syndrome = syn_uncategorized(); + env->exception.target_el = exception_target_el(env); raise_exception(env, EXCP_UDEF); } } @@ -452,11 +471,13 @@ void HELPER(pre_smc)(CPUARMState *env, uint32_t syndrome) } else if (!secure && cur_el == 1 && (env->cp15.hcr_el2 & HCR_TSC)) { /* In NS EL1, HCR controlled routing to EL2 has priority over SMD. */ env->exception.syndrome = syndrome; + env->exception.target_el = 2; raise_exception(env, EXCP_HYP_TRAP); } if (undef) { env->exception.syndrome = syn_uncategorized(); + env->exception.target_el = exception_target_el(env); raise_exception(env, EXCP_UDEF); } } |