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[97.126.117.207]) by smtp.gmail.com with ESMTPSA id i6sm32724751pgi.40.2019.07.19.14.03.44 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 19 Jul 2019 14:03:45 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 19 Jul 2019 14:03:17 -0700 Message-Id: <20190719210326.15466-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190719210326.15466-1-richard.henderson@linaro.org> References: <20190719210326.15466-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 Subject: [Qemu-devel] [PATCH for-4.2 15/24] target/arm: Reorganize ARMMMUIdx X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, beata.michalska@linaro.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Prepare for, but do not yet implement, the EL2&0 regime and the Secure EL2 regime. Rename all of the a-profile symbols to make the distictions clearer. Signed-off-by: Richard Henderson --- target/arm/cpu.h | 180 ++++++++++++++-------------- target/arm/internals.h | 46 ++++--- target/arm/translate.h | 2 +- target/arm/helper.c | 237 ++++++++++++++++++++++--------------- target/arm/m_helper.c | 6 +- target/arm/translate-a64.c | 11 +- target/arm/translate.c | 17 ++- 7 files changed, 273 insertions(+), 226 deletions(-) -- 2.17.1 Reviewed-by: Alex Bennée diff --git a/target/arm/cpu.h b/target/arm/cpu.h index a0f10b60eb..4b537c4613 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -2764,7 +2764,10 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx, * + NonSecure EL1 & 0 stage 1 * + NonSecure EL1 & 0 stage 2 * + NonSecure EL2 - * + Secure EL1 & EL0 + * + NonSecure EL2 & 0 (ARMv8.1-VHE) + * + Secure EL0 + * + Secure EL1 + * + Secure EL2 (ARMv8.4-SecEL2) * + Secure EL3 * If EL3 is 32-bit: * + NonSecure PL1 & 0 stage 1 @@ -2774,8 +2777,9 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx, * (reminder: for 32 bit EL3, Secure PL1 is *EL3*, not EL1.) * * For QEMU, an mmu_idx is not quite the same as a translation regime because: - * 1. we need to split the "EL1 & 0" regimes into two mmu_idxes, because they - * may differ in access permissions even if the VA->PA map is the same + * 1. we need to split the "EL1 & 0" and "EL2 & 0" regimes into two mmu_idxes, + * because they may differ in access permissions even if the VA->PA map is + * the same * 2. we want to cache in our TLB the full VA->IPA->PA lookup for a stage 1+2 * translation, which means that we have one mmu_idx that deals with two * concatenated translation regimes [this sort of combined s1+2 TLB is @@ -2787,19 +2791,26 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx, * 4. we can also safely fold together the "32 bit EL3" and "64 bit EL3" * translation regimes, because they map reasonably well to each other * and they can't both be active at the same time. - * This gives us the following list of mmu_idx values: + * 5. we want to be able to use the TLB for accesses done as part of a + * stage1 page table walk, rather than having to walk the stage2 page + * table over and over. * - * NS EL0 (aka NS PL0) stage 1+2 - * NS EL1 (aka NS PL1) stage 1+2 + * This gives us the following list of cases: + * + * NS EL0 (aka NS PL0) EL1&0 stage 1+2 + * NS EL1 (aka NS PL1) EL1&0 stage 1+2 + * NS EL0 (aka NS PL0) EL2&0 + * NS EL2 (aka NS PL2) EL2&0 * NS EL2 (aka NS PL2) - * S EL3 (aka S PL1) * S EL0 (aka S PL0) * S EL1 (not used if EL3 is 32 bit) - * NS EL0+1 stage 2 + * S EL2 (not used if EL3 is 32 bit) + * S EL3 (aka S PL1) + * NS EL0&1 stage 2 * - * (The last of these is an mmu_idx because we want to be able to use the TLB - * for the accesses done as part of a stage 1 page table walk, rather than - * having to walk the stage 2 page table over and over.) + * We then merge the two NS EL0 cases, and two NS EL2 cases to produce + * 8 different mmu_idx. We retain separate symbols for these four cases + * in order to simplify distinguishing them in the code. * * R profile CPUs have an MPU, but can use the same set of MMU indexes * as A profile. They only need to distinguish NS EL0 and NS EL1 (and @@ -2837,62 +2848,93 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx, * For M profile we arrange them to have a bit for priv, a bit for negpri * and a bit for secure. */ -#define ARM_MMU_IDX_A 0x10 /* A profile */ -#define ARM_MMU_IDX_NOTLB 0x20 /* does not have a TLB */ -#define ARM_MMU_IDX_M 0x40 /* M profile */ +#define ARM_MMU_IDX_S 0x04 /* Secure */ +#define ARM_MMU_IDX_A 0x10 /* A profile */ +#define ARM_MMU_IDX_M 0x20 /* M profile */ +#define ARM_MMU_IDX_NOTLB 0x100 /* does not have a TLB */ -/* meanings of the bits for M profile mmu idx values */ -#define ARM_MMU_IDX_M_PRIV 0x1 +/* Meanings of the bits for A profile mmu idx values */ +#define ARM_MMU_IDX_A_PRIV 0x3 +#define ARM_MMU_IDX_A_EL10 0x40 +#define ARM_MMU_IDX_A_EL20 0x80 + +/* Meanings of the bits for M profile mmu idx values */ +#define ARM_MMU_IDX_M_PRIV 0x1 #define ARM_MMU_IDX_M_NEGPRI 0x2 -#define ARM_MMU_IDX_M_S 0x4 -#define ARM_MMU_IDX_TYPE_MASK (~0x7) +#define ARM_MMU_IDX_TYPE_MASK (ARM_MMU_IDX_A | ARM_MMU_IDX_M) #define ARM_MMU_IDX_COREIDX_MASK 0x7 typedef enum ARMMMUIdx { - ARMMMUIdx_S12NSE0 = 0 | ARM_MMU_IDX_A, - ARMMMUIdx_S12NSE1 = 1 | ARM_MMU_IDX_A, - ARMMMUIdx_S1E2 = 2 | ARM_MMU_IDX_A, - ARMMMUIdx_S1E3 = 3 | ARM_MMU_IDX_A, - ARMMMUIdx_S1SE0 = 4 | ARM_MMU_IDX_A, - ARMMMUIdx_S1SE1 = 5 | ARM_MMU_IDX_A, - ARMMMUIdx_S2NS = 6 | ARM_MMU_IDX_A, + ARMMMUIdx_E0 = 0 | ARM_MMU_IDX_A, + ARMMMUIdx_E1 = 1 | ARM_MMU_IDX_A, + ARMMMUIdx_E2 = 2 | ARM_MMU_IDX_A, + + /* + * While Stage2 is used by A profile, and uses a TLB, it is only + * used for page table walks and is not a valid as an arm_mmu_idx(). + * Overlap it on the non-existant non-secure el3 slot. + */ + ARMMMUIdx_Stage2 = 3, + + ARMMMUIdx_SE0 = 0 | ARM_MMU_IDX_S | ARM_MMU_IDX_A, + ARMMMUIdx_SE1 = 1 | ARM_MMU_IDX_S | ARM_MMU_IDX_A, + ARMMMUIdx_SE2 = 2 | ARM_MMU_IDX_S | ARM_MMU_IDX_A, + ARMMMUIdx_SE3 = 3 | ARM_MMU_IDX_S | ARM_MMU_IDX_A, + ARMMMUIdx_MUser = 0 | ARM_MMU_IDX_M, ARMMMUIdx_MPriv = 1 | ARM_MMU_IDX_M, ARMMMUIdx_MUserNegPri = 2 | ARM_MMU_IDX_M, ARMMMUIdx_MPrivNegPri = 3 | ARM_MMU_IDX_M, - ARMMMUIdx_MSUser = 4 | ARM_MMU_IDX_M, - ARMMMUIdx_MSPriv = 5 | ARM_MMU_IDX_M, - ARMMMUIdx_MSUserNegPri = 6 | ARM_MMU_IDX_M, - ARMMMUIdx_MSPrivNegPri = 7 | ARM_MMU_IDX_M, - /* Indexes below here don't have TLBs and are used only for AT system - * instructions or for the first stage of an S12 page table walk. - */ - ARMMMUIdx_S1NSE0 = 0 | ARM_MMU_IDX_NOTLB, - ARMMMUIdx_S1NSE1 = 1 | ARM_MMU_IDX_NOTLB, + ARMMMUIdx_MSUser = 0 | ARM_MMU_IDX_S | ARM_MMU_IDX_M, + ARMMMUIdx_MSPriv = 1 | ARM_MMU_IDX_S | ARM_MMU_IDX_M, + ARMMMUIdx_MSUserNegPri = 2 | ARM_MMU_IDX_S | ARM_MMU_IDX_M, + ARMMMUIdx_MSPrivNegPri = 3 | ARM_MMU_IDX_S | ARM_MMU_IDX_M, + + /* Indicies that map onto the same core mmu_idx. */ + ARMMMUIdx_EL10_0 = ARMMMUIdx_E0 | ARM_MMU_IDX_A_EL10, + ARMMMUIdx_EL10_1 = ARMMMUIdx_E1 | ARM_MMU_IDX_A_EL10, + ARMMMUIdx_EL20_0 = ARMMMUIdx_E0 | ARM_MMU_IDX_A_EL20, + ARMMMUIdx_EL20_2 = ARMMMUIdx_E2 | ARM_MMU_IDX_A_EL20, + + /* Indicies that are only used only for AT system or Stage1 walk. */ + ARMMMUIdx_Stage1_E0 = ARMMMUIdx_E0 | ARM_MMU_IDX_NOTLB, + ARMMMUIdx_Stage1_E1 = ARMMMUIdx_E1 | ARM_MMU_IDX_NOTLB, } ARMMMUIdx; -/* Bit macros for the core-mmu-index values for each index, +/* + * Bit macros for the core-mmu-index values for each index, * for use when calling tlb_flush_by_mmuidx() and friends. */ +#define TO_CORE_BIT(NAME) \ + ARMMMUIdxBit_##NAME = 1 << (ARMMMUIdx_##NAME & ARM_MMU_IDX_COREIDX_MASK) + typedef enum ARMMMUIdxBit { - ARMMMUIdxBit_S12NSE0 = 1 << 0, - ARMMMUIdxBit_S12NSE1 = 1 << 1, - ARMMMUIdxBit_S1E2 = 1 << 2, - ARMMMUIdxBit_S1E3 = 1 << 3, - ARMMMUIdxBit_S1SE0 = 1 << 4, - ARMMMUIdxBit_S1SE1 = 1 << 5, - ARMMMUIdxBit_S2NS = 1 << 6, - ARMMMUIdxBit_MUser = 1 << 0, - ARMMMUIdxBit_MPriv = 1 << 1, - ARMMMUIdxBit_MUserNegPri = 1 << 2, - ARMMMUIdxBit_MPrivNegPri = 1 << 3, - ARMMMUIdxBit_MSUser = 1 << 4, - ARMMMUIdxBit_MSPriv = 1 << 5, - ARMMMUIdxBit_MSUserNegPri = 1 << 6, - ARMMMUIdxBit_MSPrivNegPri = 1 << 7, + TO_CORE_BIT(E0), + TO_CORE_BIT(E1), + TO_CORE_BIT(E2), + TO_CORE_BIT(Stage2), + TO_CORE_BIT(SE0), + TO_CORE_BIT(SE1), + TO_CORE_BIT(SE2), + TO_CORE_BIT(SE3), + TO_CORE_BIT(EL10_0), + TO_CORE_BIT(EL10_1), + TO_CORE_BIT(EL20_0), + TO_CORE_BIT(EL20_2), + + TO_CORE_BIT(MUser), + TO_CORE_BIT(MPriv), + TO_CORE_BIT(MUserNegPri), + TO_CORE_BIT(MPrivNegPri), + TO_CORE_BIT(MSUser), + TO_CORE_BIT(MSPriv), + TO_CORE_BIT(MSUserNegPri), + TO_CORE_BIT(MSPrivNegPri), } ARMMMUIdxBit; +#undef TO_CORE_BIT + #define MMU_USER_IDX 0 static inline int arm_to_core_mmu_idx(ARMMMUIdx mmu_idx) @@ -2900,44 +2942,6 @@ static inline int arm_to_core_mmu_idx(ARMMMUIdx mmu_idx) return mmu_idx & ARM_MMU_IDX_COREIDX_MASK; } -static inline ARMMMUIdx core_to_arm_mmu_idx(CPUARMState *env, int mmu_idx) -{ - if (arm_feature(env, ARM_FEATURE_M)) { - return mmu_idx | ARM_MMU_IDX_M; - } else { - return mmu_idx | ARM_MMU_IDX_A; - } -} - -/* Return the exception level we're running at if this is our mmu_idx */ -static inline int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx) -{ - switch (mmu_idx & ARM_MMU_IDX_TYPE_MASK) { - case ARM_MMU_IDX_A: - return mmu_idx & 3; - case ARM_MMU_IDX_M: - return mmu_idx & ARM_MMU_IDX_M_PRIV; - default: - g_assert_not_reached(); - } -} - -/* - * Return the MMU index for a v7M CPU with all relevant information - * manually specified. - */ -ARMMMUIdx arm_v7m_mmu_idx_all(CPUARMState *env, - bool secstate, bool priv, bool negpri); - -/* Return the MMU index for a v7M CPU in the specified security and - * privilege state. - */ -ARMMMUIdx arm_v7m_mmu_idx_for_secstate_and_priv(CPUARMState *env, - bool secstate, bool priv); - -/* Return the MMU index for a v7M CPU in the specified security state */ -ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env, bool secstate); - /** * cpu_mmu_index: * @env: The cpu environment diff --git a/target/arm/internals.h b/target/arm/internals.h index 232d963875..047cbfd1d7 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -769,6 +769,26 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); +ARMMMUIdx core_to_arm_mmu_idx(CPUARMState *env, int mmu_idx); +int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx); + +/* + * Return the MMU index for a v7M CPU with all relevant information + * manually specified. + */ +ARMMMUIdx arm_v7m_mmu_idx_all(CPUARMState *env, + bool secstate, bool priv, bool negpri); + +/* + * Return the MMU index for a v7M CPU in the specified security and + * privilege state. + */ +ARMMMUIdx arm_v7m_mmu_idx_for_secstate_and_priv(CPUARMState *env, + bool secstate, bool priv); + +/* Return the MMU index for a v7M CPU in the specified security state */ +ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env, bool secstate); + /* Return true if the stage 1 translation regime is using LPAE format page * tables */ bool arm_s1_regime_using_lpae_format(CPUARMState *env, ARMMMUIdx mmu_idx); @@ -807,29 +827,7 @@ static inline void arm_call_el_change_hook(ARMCPU *cpu) /* Return true if this address translation regime is secure */ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx) { - switch (mmu_idx) { - case ARMMMUIdx_S12NSE0: - case ARMMMUIdx_S12NSE1: - case ARMMMUIdx_S1NSE0: - case ARMMMUIdx_S1NSE1: - case ARMMMUIdx_S1E2: - case ARMMMUIdx_S2NS: - case ARMMMUIdx_MPrivNegPri: - case ARMMMUIdx_MUserNegPri: - case ARMMMUIdx_MPriv: - case ARMMMUIdx_MUser: - return false; - case ARMMMUIdx_S1E3: - case ARMMMUIdx_S1SE0: - case ARMMMUIdx_S1SE1: - case ARMMMUIdx_MSPrivNegPri: - case ARMMMUIdx_MSUserNegPri: - case ARMMMUIdx_MSPriv: - case ARMMMUIdx_MSUser: - return true; - default: - g_assert_not_reached(); - } + return (mmu_idx & ARM_MMU_IDX_S) != 0; } /* Return the FSR value for a debug exception (watchpoint, hardware @@ -966,7 +964,7 @@ ARMMMUIdx arm_mmu_idx(CPUARMState *env); #ifdef CONFIG_USER_ONLY static inline ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env) { - return ARMMMUIdx_S1NSE0; + return ARMMMUIdx_EL10_0; } #else ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env); diff --git a/target/arm/translate.h b/target/arm/translate.h index a20f6e2056..715fa08e3b 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -122,7 +122,7 @@ static inline int default_exception_el(DisasContext *s) * exceptions can only be routed to ELs above 1, so we target the higher of * 1 or the current EL. */ - return (s->mmu_idx == ARMMMUIdx_S1SE0 && s->secure_routed_to_el3) + return (s->mmu_idx == ARMMMUIdx_SE0 && s->secure_routed_to_el3) ? 3 : MAX(1, s->current_el); } diff --git a/target/arm/helper.c b/target/arm/helper.c index 2b95fc763f..240a6ed168 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -566,10 +566,10 @@ static void contextidr_write(CPUARMState *env, const ARMCPRegInfo *ri, switch (ri->secure) { case ARM_CP_SECSTATE_S: - idxmask = ARMMMUIdxBit_S1SE1 | ARMMMUIdxBit_S1SE0; + idxmask = ARMMMUIdxBit_SE1 | ARMMMUIdxBit_SE0; break; case ARM_CP_SECSTATE_NS: - idxmask = ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0; + idxmask = ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0; break; default: g_assert_not_reached(); @@ -682,9 +682,9 @@ static void tlbiall_nsnh_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); tlb_flush_by_mmuidx(cs, - ARMMMUIdxBit_S12NSE1 | - ARMMMUIdxBit_S12NSE0 | - ARMMMUIdxBit_S2NS); + ARMMMUIdxBit_E1 | + ARMMMUIdxBit_E0 | + ARMMMUIdxBit_Stage2); } static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -693,9 +693,9 @@ static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); tlb_flush_by_mmuidx_all_cpus_synced(cs, - ARMMMUIdxBit_S12NSE1 | - ARMMMUIdxBit_S12NSE0 | - ARMMMUIdxBit_S2NS); + ARMMMUIdxBit_E1 | + ARMMMUIdxBit_E0 | + ARMMMUIdxBit_Stage2); } static void tlbiipas2_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -716,7 +716,7 @@ static void tlbiipas2_write(CPUARMState *env, const ARMCPRegInfo *ri, pageaddr = sextract64(value << 12, 0, 40); - tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_S2NS); + tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_Stage2); } static void tlbiipas2_is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -731,8 +731,7 @@ static void tlbiipas2_is_write(CPUARMState *env, const ARMCPRegInfo *ri, pageaddr = sextract64(value << 12, 0, 40); - tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, - ARMMMUIdxBit_S2NS); + tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_Stage2); } static void tlbiall_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -740,7 +739,7 @@ static void tlbiall_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri, { CPUState *cs = env_cpu(env); - tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_S1E2); + tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_E2); } static void tlbiall_hyp_is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -748,7 +747,7 @@ static void tlbiall_hyp_is_write(CPUARMState *env, const ARMCPRegInfo *ri, { CPUState *cs = env_cpu(env); - tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_S1E2); + tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_E2); } static void tlbimva_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -757,7 +756,7 @@ static void tlbimva_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); uint64_t pageaddr = value & ~MAKE_64BIT_MASK(0, 12); - tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_S1E2); + tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_E2); } static void tlbimva_hyp_is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -766,8 +765,7 @@ static void tlbimva_hyp_is_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); uint64_t pageaddr = value & ~MAKE_64BIT_MASK(0, 12); - tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, - ARMMMUIdxBit_S1E2); + tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_E2); } static const ARMCPRegInfo cp_reginfo[] = { @@ -3047,7 +3045,7 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value, format64 = arm_s1_regime_using_lpae_format(env, mmu_idx); if (arm_feature(env, ARM_FEATURE_EL2)) { - if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) { + if (mmu_idx == ARMMMUIdx_EL10_0 || mmu_idx == ARMMMUIdx_EL10_1) { format64 |= env->cp15.hcr_el2 & (HCR_VM | HCR_DC); } else { format64 |= arm_current_el(env) == 2; @@ -3116,13 +3114,13 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) /* stage 1 current state PL1: ATS1CPR, ATS1CPW */ switch (el) { case 3: - mmu_idx = ARMMMUIdx_S1E3; + mmu_idx = ARMMMUIdx_SE3; break; case 2: - mmu_idx = ARMMMUIdx_S1NSE1; + mmu_idx = ARMMMUIdx_Stage1_E1; break; case 1: - mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_S1NSE1; + mmu_idx = secure ? ARMMMUIdx_SE1 : ARMMMUIdx_Stage1_E1; break; default: g_assert_not_reached(); @@ -3132,13 +3130,13 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) /* stage 1 current state PL0: ATS1CUR, ATS1CUW */ switch (el) { case 3: - mmu_idx = ARMMMUIdx_S1SE0; + mmu_idx = ARMMMUIdx_SE0; break; case 2: - mmu_idx = ARMMMUIdx_S1NSE0; + mmu_idx = ARMMMUIdx_Stage1_E0; break; case 1: - mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_S1NSE0; + mmu_idx = secure ? ARMMMUIdx_SE0 : ARMMMUIdx_Stage1_E0; break; default: g_assert_not_reached(); @@ -3146,11 +3144,11 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) break; case 4: /* stage 1+2 NonSecure PL1: ATS12NSOPR, ATS12NSOPW */ - mmu_idx = ARMMMUIdx_S12NSE1; + mmu_idx = ARMMMUIdx_EL10_1; break; case 6: /* stage 1+2 NonSecure PL0: ATS12NSOUR, ATS12NSOUW */ - mmu_idx = ARMMMUIdx_S12NSE0; + mmu_idx = ARMMMUIdx_EL10_0; break; default: g_assert_not_reached(); @@ -3167,7 +3165,7 @@ static void ats1h_write(CPUARMState *env, const ARMCPRegInfo *ri, MMUAccessType access_type = ri->opc2 & 1 ? MMU_DATA_STORE : MMU_DATA_LOAD; uint64_t par64; - par64 = do_ats_write(env, value, access_type, ARMMMUIdx_S1E2); + par64 = do_ats_write(env, value, access_type, ARMMMUIdx_E2); A32_BANKED_CURRENT_REG_SET(env, par, par64); } @@ -3192,26 +3190,26 @@ static void ats_write64(CPUARMState *env, const ARMCPRegInfo *ri, case 0: switch (ri->opc1) { case 0: /* AT S1E1R, AT S1E1W */ - mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_S1NSE1; + mmu_idx = secure ? ARMMMUIdx_SE1 : ARMMMUIdx_Stage1_E1; break; case 4: /* AT S1E2R, AT S1E2W */ - mmu_idx = ARMMMUIdx_S1E2; + mmu_idx = ARMMMUIdx_E2; break; case 6: /* AT S1E3R, AT S1E3W */ - mmu_idx = ARMMMUIdx_S1E3; + mmu_idx = ARMMMUIdx_SE3; break; default: g_assert_not_reached(); } break; case 2: /* AT S1E0R, AT S1E0W */ - mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_S1NSE0; + mmu_idx = secure ? ARMMMUIdx_SE0 : ARMMMUIdx_Stage1_E0; break; case 4: /* AT S12E1R, AT S12E1W */ - mmu_idx = secure ? ARMMMUIdx_S1SE1 : ARMMMUIdx_S12NSE1; + mmu_idx = secure ? ARMMMUIdx_SE1 : ARMMMUIdx_EL10_1; break; case 6: /* AT S12E0R, AT S12E0W */ - mmu_idx = secure ? ARMMMUIdx_S1SE0 : ARMMMUIdx_S12NSE0; + mmu_idx = secure ? ARMMMUIdx_SE0 : ARMMMUIdx_EL10_0; break; default: g_assert_not_reached(); @@ -3422,15 +3420,15 @@ static void update_lpae_el1_asid(CPUARMState *env, int secure) ttbr0 = env->cp15.ttbr0_s; ttbr1 = env->cp15.ttbr1_s; ttcr = env->cp15.tcr_el[3].raw_tcr; - /* Note that cp15.ttbr0_s == cp15.ttbr0_el[3], so S1E3 is affected. */ + /* Note that cp15.ttbr0_s == cp15.ttbr0_el[3], so SE3 is affected. */ /* ??? Secure EL3 really using the ASID field? Doesn't make sense. */ - idxmask = ARMMMUIdxBit_S1SE1 | ARMMMUIdxBit_S1SE0 | ARMMMUIdxBit_S1E3; + idxmask = ARMMMUIdxBit_SE1 | ARMMMUIdxBit_SE0 | ARMMMUIdxBit_SE3; break; case ARM_CP_SECSTATE_NS: ttbr0 = env->cp15.ttbr0_ns; ttbr1 = env->cp15.ttbr1_ns; ttcr = env->cp15.tcr_el[1].raw_tcr; - idxmask = ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0; + idxmask = ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0; break; default: g_assert_not_reached(); @@ -3542,11 +3540,11 @@ static void vttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, vmid = extract64(value, 48, 8); /* - * A change in VMID to the stage2 page table (S2NS) invalidates - * the combined stage 1&2 tlbs (S12NSE1 and S12NSE0). + * A change in VMID to the stage2 page table (Stage2) invalidates + * the combined stage 1&2 tlbs (EL10_1 and EL10_0). */ - tlb_set_asid_for_mmuidx(cs, vmid, ARMMMUIdxBit_S2NS, - ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0); + tlb_set_asid_for_mmuidx(cs, vmid, ARMMMUIdxBit_Stage2, + ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0); } static const ARMCPRegInfo vmsa_pmsa_cp_reginfo[] = { @@ -3902,9 +3900,9 @@ static CPAccessResult aa64_cacheop_access(CPUARMState *env, static int vae1_tlbmask(CPUARMState *env) { if (arm_is_secure_below_el3(env)) { - return ARMMMUIdxBit_S1SE1 | ARMMMUIdxBit_S1SE0; + return ARMMMUIdxBit_SE1 | ARMMMUIdxBit_SE0; } else { - return ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0; + return ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0; } } @@ -3938,11 +3936,11 @@ static int vmalle1_tlbmask(CPUARMState *env) * stage 1 translations. */ if (arm_is_secure_below_el3(env)) { - return ARMMMUIdxBit_S1SE1 | ARMMMUIdxBit_S1SE0; + return ARMMMUIdxBit_SE1 | ARMMMUIdxBit_SE0; } else if (arm_feature(env, ARM_FEATURE_EL2)) { - return ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0 | ARMMMUIdxBit_S2NS; + return ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0 | ARMMMUIdxBit_Stage2; } else { - return ARMMMUIdxBit_S12NSE1 | ARMMMUIdxBit_S12NSE0; + return ARMMMUIdxBit_E1 | ARMMMUIdxBit_E0; } } @@ -3961,7 +3959,7 @@ static void tlbi_aa64_alle2_write(CPUARMState *env, const ARMCPRegInfo *ri, ARMCPU *cpu = env_archcpu(env); CPUState *cs = CPU(cpu); - tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_S1E2); + tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_E2); } static void tlbi_aa64_alle3_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -3970,7 +3968,7 @@ static void tlbi_aa64_alle3_write(CPUARMState *env, const ARMCPRegInfo *ri, ARMCPU *cpu = env_archcpu(env); CPUState *cs = CPU(cpu); - tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_S1E3); + tlb_flush_by_mmuidx(cs, ARMMMUIdxBit_SE3); } static void tlbi_aa64_alle1is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -3987,7 +3985,7 @@ static void tlbi_aa64_alle2is_write(CPUARMState *env, const ARMCPRegInfo *ri, { CPUState *cs = env_cpu(env); - tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_S1E2); + tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_E2); } static void tlbi_aa64_alle3is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -3995,7 +3993,7 @@ static void tlbi_aa64_alle3is_write(CPUARMState *env, const ARMCPRegInfo *ri, { CPUState *cs = env_cpu(env); - tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_S1E3); + tlb_flush_by_mmuidx_all_cpus_synced(cs, ARMMMUIdxBit_SE3); } static void tlbi_aa64_vae2_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4009,7 +4007,7 @@ static void tlbi_aa64_vae2_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = CPU(cpu); uint64_t pageaddr = sextract64(value << 12, 0, 56); - tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_S1E2); + tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_E2); } static void tlbi_aa64_vae3_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4023,7 +4021,7 @@ static void tlbi_aa64_vae3_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = CPU(cpu); uint64_t pageaddr = sextract64(value << 12, 0, 56); - tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_S1E3); + tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_SE3); } static void tlbi_aa64_vae1is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4061,8 +4059,7 @@ static void tlbi_aa64_vae2is_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); uint64_t pageaddr = sextract64(value << 12, 0, 56); - tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, - ARMMMUIdxBit_S1E2); + tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_E2); } static void tlbi_aa64_vae3is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4071,8 +4068,7 @@ static void tlbi_aa64_vae3is_write(CPUARMState *env, const ARMCPRegInfo *ri, CPUState *cs = env_cpu(env); uint64_t pageaddr = sextract64(value << 12, 0, 56); - tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, - ARMMMUIdxBit_S1E3); + tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_SE3); } static void tlbi_aa64_ipas2e1_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4094,7 +4090,7 @@ static void tlbi_aa64_ipas2e1_write(CPUARMState *env, const ARMCPRegInfo *ri, pageaddr = sextract64(value << 12, 0, 48); - tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_S2NS); + tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_Stage2); } static void tlbi_aa64_ipas2e1is_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4109,8 +4105,7 @@ static void tlbi_aa64_ipas2e1is_write(CPUARMState *env, const ARMCPRegInfo *ri, pageaddr = sextract64(value << 12, 0, 48); - tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, - ARMMMUIdxBit_S2NS); + tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr, ARMMMUIdxBit_Stage2); } static CPAccessResult aa64_zva_access(CPUARMState *env, const ARMCPRegInfo *ri, @@ -4378,7 +4373,7 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { { .name = "AT_S12E0W", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 4, .crn = 7, .crm = 8, .opc2 = 7, .access = PL2_W, .type = ARM_CP_NO_RAW, .writefn = ats_write64 }, - /* AT S1E2* are elsewhere as they UNDEF from EL3 if EL2 is not present */ + /* AT E2* are elsewhere as they UNDEF from EL3 if EL2 is not present */ { .name = "AT_S1E3R", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 6, .crn = 7, .crm = 8, .opc2 = 0, .access = PL3_W, .type = ARM_CP_NO_RAW, .writefn = ats_write64 }, @@ -8685,19 +8680,23 @@ void arm_cpu_do_interrupt(CPUState *cs) #endif /* !CONFIG_USER_ONLY */ /* Return the exception level which controls this address translation regime */ -static inline uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx) +static uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx) { switch (mmu_idx) { - case ARMMMUIdx_S2NS: - case ARMMMUIdx_S1E2: + case ARMMMUIdx_EL20_0: + case ARMMMUIdx_EL20_2: + case ARMMMUIdx_Stage2: + case ARMMMUIdx_E2: return 2; - case ARMMMUIdx_S1E3: + case ARMMMUIdx_SE3: return 3; - case ARMMMUIdx_S1SE0: + case ARMMMUIdx_SE0: return arm_el_is_aa64(env, 3) ? 1 : 3; - case ARMMMUIdx_S1SE1: - case ARMMMUIdx_S1NSE0: - case ARMMMUIdx_S1NSE1: + case ARMMMUIdx_SE1: + case ARMMMUIdx_Stage1_E0: + case ARMMMUIdx_Stage1_E1: + case ARMMMUIdx_EL10_0: + case ARMMMUIdx_EL10_1: case ARMMMUIdx_MPrivNegPri: case ARMMMUIdx_MUserNegPri: case ARMMMUIdx_MPriv: @@ -8742,7 +8741,7 @@ static inline bool regime_translation_disabled(CPUARMState *env, } } - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { /* HCR.DC means HCR.VM behaves as 1 */ return (env->cp15.hcr_el2 & (HCR_DC | HCR_VM)) == 0; } @@ -8755,7 +8754,7 @@ static inline bool regime_translation_disabled(CPUARMState *env, } if ((env->cp15.hcr_el2 & HCR_DC) && - (mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1)) { + (mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1)) { /* HCR.DC means SCTLR_EL1.M behaves as 0 */ return true; } @@ -8773,7 +8772,7 @@ static inline bool regime_translation_big_endian(CPUARMState *env, static inline uint64_t regime_ttbr(CPUARMState *env, ARMMMUIdx mmu_idx, int ttbrn) { - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { return env->cp15.vttbr_el2; } if (ttbrn == 0) { @@ -8788,7 +8787,7 @@ static inline uint64_t regime_ttbr(CPUARMState *env, ARMMMUIdx mmu_idx, /* Return the TCR controlling this translation regime */ static inline TCR *regime_tcr(CPUARMState *env, ARMMMUIdx mmu_idx) { - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { return &env->cp15.vtcr_el2; } return &env->cp15.tcr_el[regime_el(env, mmu_idx)]; @@ -8799,8 +8798,8 @@ static inline TCR *regime_tcr(CPUARMState *env, ARMMMUIdx mmu_idx) */ static inline ARMMMUIdx stage_1_mmu_idx(ARMMMUIdx mmu_idx) { - if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) { - mmu_idx += (ARMMMUIdx_S1NSE0 - ARMMMUIdx_S12NSE0); + if (mmu_idx == ARMMMUIdx_EL10_0 || mmu_idx == ARMMMUIdx_EL10_1) { + mmu_idx += (ARMMMUIdx_Stage1_E0 - ARMMMUIdx_EL10_0); } return mmu_idx; } @@ -8834,8 +8833,8 @@ bool arm_s1_regime_using_lpae_format(CPUARMState *env, ARMMMUIdx mmu_idx) static inline bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx) { switch (mmu_idx) { - case ARMMMUIdx_S1SE0: - case ARMMMUIdx_S1NSE0: + case ARMMMUIdx_SE0: + case ARMMMUIdx_Stage1_E0: case ARMMMUIdx_MUser: case ARMMMUIdx_MSUser: case ARMMMUIdx_MUserNegPri: @@ -8843,8 +8842,8 @@ static inline bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx) return true; default: return false; - case ARMMMUIdx_S12NSE0: - case ARMMMUIdx_S12NSE1: + case ARMMMUIdx_EL10_0: + case ARMMMUIdx_EL10_1: g_assert_not_reached(); } } @@ -8975,7 +8974,7 @@ static int get_S1prot(CPUARMState *env, ARMMMUIdx mmu_idx, bool is_aa64, bool have_wxn; int wxn = 0; - assert(mmu_idx != ARMMMUIdx_S2NS); + assert(mmu_idx != ARMMMUIdx_Stage2); user_rw = simple_ap_to_rw_prot_is_user(ap, true); if (is_user) { @@ -9066,8 +9065,8 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, hwaddr addr, MemTxAttrs txattrs, ARMMMUFaultInfo *fi) { - if ((mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1) && - !regime_translation_disabled(env, ARMMMUIdx_S2NS)) { + if ((mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1) && + !regime_translation_disabled(env, ARMMMUIdx_Stage2)) { target_ulong s2size; hwaddr s2pa; int s2prot; @@ -9084,7 +9083,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, pcacheattrs = &cacheattrs; } - ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_S2NS, &s2pa, + ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_Stage2, &s2pa, &txattrs, &s2prot, &s2size, fi, pcacheattrs); if (ret) { assert(fi->type != ARMFault_None); @@ -9556,7 +9555,7 @@ ARMVAParameters aa64_va_parameters_both(CPUARMState *env, uint64_t va, tsz = extract32(tcr, 0, 6); using64k = extract32(tcr, 14, 1); using16k = extract32(tcr, 15, 1); - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { /* VTCR_EL2 */ tbi = tbid = hpd = false; } else { @@ -9617,7 +9616,7 @@ static ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va, int select, tsz; bool epd, hpd; - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { /* VTCR */ bool sext = extract32(tcr, 4, 1); bool sign = extract32(tcr, 3, 1); @@ -9719,7 +9718,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, level = 1; /* There is no TTBR1 for EL2 */ ttbr1_valid = (el != 2); - addrsize = (mmu_idx == ARMMMUIdx_S2NS ? 40 : 32); + addrsize = (mmu_idx == ARMMMUIdx_Stage2 ? 40 : 32); inputsize = addrsize - param.tsz; } @@ -9770,7 +9769,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, goto do_fault; } - if (mmu_idx != ARMMMUIdx_S2NS) { + if (mmu_idx != ARMMMUIdx_Stage2) { /* The starting level depends on the virtual address size (which can * be up to 48 bits) and the translation granule size. It indicates * the number of strides (stride bits at a time) needed to @@ -9870,7 +9869,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, attrs = extract64(descriptor, 2, 10) | (extract64(descriptor, 52, 12) << 10); - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { /* Stage 2 table descriptors do not include any attribute fields */ break; } @@ -9901,7 +9900,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, ap = extract32(attrs, 4, 2); xn = extract32(attrs, 12, 1); - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { ns = true; *prot = get_S2prot(env, ap, xn); } else { @@ -9928,7 +9927,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address, } if (cacheattrs != NULL) { - if (mmu_idx == ARMMMUIdx_S2NS) { + if (mmu_idx == ARMMMUIdx_Stage2) { cacheattrs->attrs = convert_stage2_attrs(env, extract32(attrs, 0, 4)); } else { @@ -9949,7 +9948,7 @@ do_fault: fi->type = fault_type; fi->level = level; /* Tag the error as S2 for failed S1 PTW at S2 or ordinary S2. */ - fi->stage2 = fi->s1ptw || (mmu_idx == ARMMMUIdx_S2NS); + fi->stage2 = fi->s1ptw || (mmu_idx == ARMMMUIdx_Stage2); return true; } @@ -10748,7 +10747,7 @@ bool get_phys_addr(CPUARMState *env, target_ulong address, target_ulong *page_size, ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs) { - if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) { + if (mmu_idx == ARMMMUIdx_EL10_0 || mmu_idx == ARMMMUIdx_EL10_1) { /* Call ourselves recursively to do the stage 1 and then stage 2 * translations. */ @@ -10763,13 +10762,13 @@ bool get_phys_addr(CPUARMState *env, target_ulong address, prot, page_size, fi, cacheattrs); /* If S1 fails or S2 is disabled, return early. */ - if (ret || regime_translation_disabled(env, ARMMMUIdx_S2NS)) { + if (ret || regime_translation_disabled(env, ARMMMUIdx_Stage2)) { *phys_ptr = ipa; return ret; } /* S1 is done. Now do S2 translation. */ - ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_S2NS, + ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_Stage2, phys_ptr, attrs, &s2_prot, page_size, fi, cacheattrs != NULL ? &cacheattrs2 : NULL); @@ -10811,7 +10810,7 @@ bool get_phys_addr(CPUARMState *env, target_ulong address, /* Fast Context Switch Extension. This doesn't exist at all in v8. * In v7 and earlier it affects all stage 1 translations. */ - if (address < 0x02000000 && mmu_idx != ARMMMUIdx_S2NS + if (address < 0x02000000 && mmu_idx != ARMMMUIdx_Stage2 && !arm_feature(env, ARM_FEATURE_V8)) { if (regime_el(env, mmu_idx) == 3) { address += env->cp15.fcseidr_s; @@ -11260,6 +11259,41 @@ int fp_exception_el(CPUARMState *env, int cur_el) return 0; } +ARMMMUIdx core_to_arm_mmu_idx(CPUARMState *env, int mmu_idx) +{ + if (arm_feature(env, ARM_FEATURE_M)) { + return mmu_idx | ARM_MMU_IDX_M; + } + + mmu_idx |= ARM_MMU_IDX_A; + switch (mmu_idx) { + case ARMMMUIdx_E0: + return ARMMMUIdx_EL10_0; + case ARMMMUIdx_E1: + return ARMMMUIdx_EL10_1; + case ARMMMUIdx_E2: + case ARMMMUIdx_SE0: + case ARMMMUIdx_SE1: + case ARMMMUIdx_SE3: + return mmu_idx; + default: + g_assert_not_reached(); + } +} + +/* Return the exception level we're running at if this is our mmu_idx */ +int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx) +{ + switch (mmu_idx & ARM_MMU_IDX_TYPE_MASK) { + case ARM_MMU_IDX_A: + return mmu_idx & ARM_MMU_IDX_A_PRIV; + case ARM_MMU_IDX_M: + return mmu_idx & ARM_MMU_IDX_M_PRIV; + default: + g_assert_not_reached(); + } +} + #ifndef CONFIG_TCG ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env, bool secstate) { @@ -11276,10 +11310,21 @@ ARMMMUIdx arm_mmu_idx(CPUARMState *env) } el = arm_current_el(env); - if (el < 2 && arm_is_secure_below_el3(env)) { - return ARMMMUIdx_S1SE0 + el; - } else { - return ARMMMUIdx_S12NSE0 + el; + switch (el) { + case 0: + /* TODO: ARMv8.1-VHE */ + case 1: + return (arm_is_secure_below_el3(env) + ? ARMMMUIdx_SE0 + el + : ARMMMUIdx_EL10_0 + el); + case 2: + /* TODO: ARMv8.1-VHE */ + /* TODO: ARMv8.4-SecEL2 */ + return ARMMMUIdx_E2; + case 3: + return ARMMMUIdx_SE3; + default: + g_assert_not_reached(); } } diff --git a/target/arm/m_helper.c b/target/arm/m_helper.c index 84609f446e..f745c0d067 100644 --- a/target/arm/m_helper.c +++ b/target/arm/m_helper.c @@ -126,7 +126,7 @@ static bool v7m_stack_write(ARMCPU *cpu, uint32_t addr, uint32_t value, hwaddr physaddr; int prot; ARMMMUFaultInfo fi = {}; - bool secure = mmu_idx & ARM_MMU_IDX_M_S; + bool secure = mmu_idx & ARM_MMU_IDX_S; int exc; bool exc_secure; @@ -218,7 +218,7 @@ static bool v7m_stack_read(ARMCPU *cpu, uint32_t *dest, uint32_t addr, hwaddr physaddr; int prot; ARMMMUFaultInfo fi = {}; - bool secure = mmu_idx & ARM_MMU_IDX_M_S; + bool secure = mmu_idx & ARM_MMU_IDX_S; int exc; bool exc_secure; uint32_t value; @@ -2669,7 +2669,7 @@ ARMMMUIdx arm_v7m_mmu_idx_all(CPUARMState *env, } if (secstate) { - mmu_idx |= ARM_MMU_IDX_M_S; + mmu_idx |= ARM_MMU_IDX_S; } return mmu_idx; diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index d3231477a2..a9e65fe347 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -113,13 +113,14 @@ static inline int get_a64_user_mem_index(DisasContext *s) ARMMMUIdx useridx; switch (s->mmu_idx) { - case ARMMMUIdx_S12NSE1: - useridx = ARMMMUIdx_S12NSE0; + case ARMMMUIdx_EL10_1: + /* FIXME: ARMv8.1-VHE */ + useridx = ARMMMUIdx_EL10_0; break; - case ARMMMUIdx_S1SE1: - useridx = ARMMMUIdx_S1SE0; + case ARMMMUIdx_SE1: + useridx = ARMMMUIdx_SE0; break; - case ARMMMUIdx_S2NS: + case ARMMMUIdx_Stage2: g_assert_not_reached(); default: useridx = s->mmu_idx; diff --git a/target/arm/translate.c b/target/arm/translate.c index 7853462b21..0346088e75 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -152,14 +152,14 @@ static inline int get_a32_user_mem_index(DisasContext *s) * otherwise, access as if at PL0. */ switch (s->mmu_idx) { - case ARMMMUIdx_S1E2: /* this one is UNPREDICTABLE */ - case ARMMMUIdx_S12NSE0: - case ARMMMUIdx_S12NSE1: - return arm_to_core_mmu_idx(ARMMMUIdx_S12NSE0); - case ARMMMUIdx_S1E3: - case ARMMMUIdx_S1SE0: - case ARMMMUIdx_S1SE1: - return arm_to_core_mmu_idx(ARMMMUIdx_S1SE0); + case ARMMMUIdx_E2: /* this one is UNPREDICTABLE */ + case ARMMMUIdx_EL10_1: + case ARMMMUIdx_EL10_0: + return arm_to_core_mmu_idx(ARMMMUIdx_EL10_0); + case ARMMMUIdx_SE3: + case ARMMMUIdx_SE1: + case ARMMMUIdx_SE0: + return arm_to_core_mmu_idx(ARMMMUIdx_SE0); case ARMMMUIdx_MUser: case ARMMMUIdx_MPriv: return arm_to_core_mmu_idx(ARMMMUIdx_MUser); @@ -172,7 +172,6 @@ static inline int get_a32_user_mem_index(DisasContext *s) case ARMMMUIdx_MSUserNegPri: case ARMMMUIdx_MSPrivNegPri: return arm_to_core_mmu_idx(ARMMMUIdx_MSUserNegPri); - case ARMMMUIdx_S2NS: default: g_assert_not_reached(); }