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File _service:gitpkg:0015-target-arm-Implement-AArch64-ID-and-feature-register.patch of Package qemu-usermode
From 39a39e7e4de9111059ec03d5eb96a0e01015fb82 Mon Sep 17 00:00:00 2001 From: Peter Maydell <peter.maydell@linaro.org> Date: Sat, 15 Feb 2014 16:07:08 +0000 Subject: [PATCH] target-arm: Implement AArch64 ID and feature registers Implement the AArch64-specific ID and feature registers. Although many of these are currently not used by the architecture (and so always zero for all implementations), we define the full set of fields in the ARMCPU struct for symmetry. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> --- target-arm/cpu-qom.h | 10 ++++++++++ target-arm/helper.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h index afbd422..00234e1 100644 --- a/target-arm/cpu-qom.h +++ b/target-arm/cpu-qom.h @@ -132,6 +132,16 @@ typedef struct ARMCPU { uint32_t id_isar3; uint32_t id_isar4; uint32_t id_isar5; + uint64_t id_aa64pfr0; + uint64_t id_aa64pfr1; + uint64_t id_aa64dfr0; + uint64_t id_aa64dfr1; + uint64_t id_aa64afr0; + uint64_t id_aa64afr1; + uint64_t id_aa64isar0; + uint64_t id_aa64isar1; + uint64_t id_aa64mmfr0; + uint64_t id_aa64mmfr1; uint32_t clidr; /* The elements of this array are the CCSIDR values for each cache, * in the order L1DCache, L1ICache, L2DCache, L2ICache, etc. diff --git a/target-arm/helper.c b/target-arm/helper.c index 4c68c00..36e9db9 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -1856,6 +1856,51 @@ void register_cp_regs_for_features(ARMCPU *cpu) define_arm_cp_regs(cpu, not_v7_cp_reginfo); } if (arm_feature(env, ARM_FEATURE_V8)) { + /* AArch64 ID registers, which all have impdef reset values */ + ARMCPRegInfo v8_idregs[] = { + { .name = "ID_AA64PFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64pfr0 }, + { .name = "ID_AA64PFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64pfr1}, + { .name = "ID_AA64DFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64dfr0 }, + { .name = "ID_AA64DFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64dfr1 }, + { .name = "ID_AA64AFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 4, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64afr0 }, + { .name = "ID_AA64AFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 5, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64afr1 }, + { .name = "ID_AA64ISAR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64isar0 }, + { .name = "ID_AA64ISAR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64isar1 }, + { .name = "ID_AA64MMFR0_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 0, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64mmfr0 }, + { .name = "ID_AA64MMFR1_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 1, + .access = PL1_R, .type = ARM_CP_CONST, + .resetvalue = cpu->id_aa64mmfr1 }, + REGINFO_SENTINEL + }; + define_arm_cp_regs(cpu, v8_idregs); define_arm_cp_regs(cpu, v8_cp_reginfo); } if (arm_feature(env, ARM_FEATURE_MPU)) { -- 1.9.3
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