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| author | Peter Maydell <peter.maydell@linaro.org> | 2014-08-19 18:56:26 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-08-19 19:02:03 +0100 |
| commit | 7ea47fe7be86faed4f38f0093ca1226b9b6043eb (patch) | |
| tree | ee582e92ffa3c2cf53ea6588bbf86528504d9285 /target-arm/op_helper.c | |
| parent | cc9c1ed14e876d724107fe72f74dcac71a003fbc (diff) | |
| download | qemu-7ea47fe7be86faed4f38f0093ca1226b9b6043eb.tar.gz | |
target-arm: Implement ARMv8 single-step handling for A64 code
Implement ARMv8 software single-step handling for A64 code:
correctly update the single-step state machine and generate
debug exceptions when stepping A64 code.
This patch has no behavioural change since MDSCR_EL1.SS can't
be set by the guest yet.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target-arm/op_helper.c')
| -rw-r--r-- | target-arm/op_helper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index 62cc07d448..fe40358c96 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -369,6 +369,11 @@ void HELPER(msr_i_pstate)(CPUARMState *env, uint32_t op, uint32_t imm) } } +void HELPER(clear_pstate_ss)(CPUARMState *env) +{ + env->pstate &= ~PSTATE_SS; +} + void HELPER(exception_return)(CPUARMState *env) { int cur_el = arm_current_pl(env); |