diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2017-09-14 18:43:16 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-09-14 18:43:16 +0100 |
| commit | dc3c4c14f0f12854dbd967be3486f4db4e66d25b (patch) | |
| tree | 8390f567ab69f296ed090e74c4dc9bcd16345c5e /target/arm/internals.h | |
| parent | 4a16724f06ead684a5962477a557c26c677c2729 (diff) | |
target/arm: Clear exclusive monitor on v7M reset, exception entry/exit
For M profile we must clear the exclusive monitor on reset, exception
entry and exception exit. We weren't doing any of these things; fix
this bug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1505137930-13255-3-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/internals.h')
| -rw-r--r-- | target/arm/internals.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h index 5d7f24c95c..a315354cfd 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -444,6 +444,16 @@ void arm_handle_psci_call(ARMCPU *cpu); #endif /** + * arm_clear_exclusive: clear the exclusive monitor + * @env: CPU env + * Clear the CPU's exclusive monitor, like the guest CLREX instruction. + */ +static inline void arm_clear_exclusive(CPUARMState *env) +{ + env->exclusive_addr = -1; +} + +/** * ARMMMUFaultInfo: Information describing an ARM MMU Fault * @s2addr: Address that caused a fault at stage 2 * @stage2: True if we faulted at stage 2 |