diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2014-09-29 18:48:49 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-09-29 18:48:49 +0100 |
| commit | dfafd0908820acf68f7c69ab3e0ebe855278d0bb (patch) | |
| tree | fc8462f82a5dd1478423d34e59c2c8d699b1c0ab /target-arm | |
| parent | 043b7f8d12dc922172cf7d570dc2854dbf81dcb3 (diff) | |
target-arm: Don't take interrupts targeting lower ELs
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-6-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/cpu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index cc2c2100b3..81e7e814c1 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1175,6 +1175,13 @@ bool write_cpustate_to_list(ARMCPU *cpu); static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx) { CPUARMState *env = cs->env_ptr; + unsigned int cur_el = arm_current_pl(env); + unsigned int target_el = arm_excp_target_el(cs, excp_idx); + + /* Don't take exceptions if they target a lower EL. */ + if (cur_el > target_el) { + return false; + } switch (excp_idx) { case EXCP_FIQ: |