diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-06-25 20:31:19 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-26 14:31:12 +0100 |
| commit | 9c7ab8fc8cb6d6e2fb7a82c1088691c7c23fa1b9 (patch) | |
| tree | b459db298353ae273e682fd5948db3bf7c9baee9 /target/arm/internals.h | |
| parent | 5463df160ecee510e78493993eb1bd38b4838a10 (diff) | |
target/arm: Move regime_el to internals.h
We will shortly need this in mte_helper.c as well.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200626033144.790098-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/internals.h')
| -rw-r--r-- | target/arm/internals.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h index 5c69d4e5a5..c36fcb151b 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -913,6 +913,42 @@ static inline bool regime_is_pan(CPUARMState *env, ARMMMUIdx mmu_idx) } } +/* Return the exception level which controls this address translation regime */ +static inline uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx) +{ + switch (mmu_idx) { + case ARMMMUIdx_E20_0: + case ARMMMUIdx_E20_2: + case ARMMMUIdx_E20_2_PAN: + case ARMMMUIdx_Stage2: + case ARMMMUIdx_E2: + return 2; + case ARMMMUIdx_SE3: + return 3; + case ARMMMUIdx_SE10_0: + return arm_el_is_aa64(env, 3) ? 1 : 3; + case ARMMMUIdx_SE10_1: + case ARMMMUIdx_SE10_1_PAN: + case ARMMMUIdx_Stage1_E0: + case ARMMMUIdx_Stage1_E1: + case ARMMMUIdx_Stage1_E1_PAN: + case ARMMMUIdx_E10_0: + case ARMMMUIdx_E10_1: + case ARMMMUIdx_E10_1_PAN: + case ARMMMUIdx_MPrivNegPri: + case ARMMMUIdx_MUserNegPri: + case ARMMMUIdx_MPriv: + case ARMMMUIdx_MUser: + case ARMMMUIdx_MSPrivNegPri: + case ARMMMUIdx_MSUserNegPri: + case ARMMMUIdx_MSPriv: + case ARMMMUIdx_MSUser: + return 1; + default: + g_assert_not_reached(); + } +} + /* Return the FSR value for a debug exception (watchpoint, hardware * breakpoint or BKPT insn) targeting the specified exception level. */ |