From 2f6283fc8e5219ce5f82ba60216ed5145a246470 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 6 May 2022 13:02:41 -0500 Subject: [PATCH] target/arm: Define cortex-a76 Enable the a76 for virt and sbsa board use. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20220506180242.216785-24-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- docs/system/arm/virt.rst | 1 + hw/arm/sbsa-ref.c | 1 + hw/arm/virt.c | 1 + target/arm/cpu64.c | 66 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 69 insertions(+) diff --git a/docs/system/arm/virt.rst b/docs/system/arm/virt.rst index 5fe045cbf0..3e264d85af 100644 --- a/docs/system/arm/virt.rst +++ b/docs/system/arm/virt.rst @@ -55,6 +55,7 @@ Supported guest CPU types: - ``cortex-a53`` (64-bit) - ``cortex-a57`` (64-bit) - ``cortex-a72`` (64-bit) +- ``cortex-a76`` (64-bit) - ``a64fx`` (64-bit) - ``host`` (with KVM only) - ``max`` (same as ``host`` for KVM; best possible emulation with TCG) diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c index 2387401963..2ddde88f5e 100644 --- a/hw/arm/sbsa-ref.c +++ b/hw/arm/sbsa-ref.c @@ -145,6 +145,7 @@ static const int sbsa_ref_irqmap[] = { static const char * const valid_cpus[] = { ARM_CPU_TYPE_NAME("cortex-a57"), ARM_CPU_TYPE_NAME("cortex-a72"), + ARM_CPU_TYPE_NAME("cortex-a76"), ARM_CPU_TYPE_NAME("max"), }; diff --git a/hw/arm/virt.c b/hw/arm/virt.c index f94278935f..12bc2318ec 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -202,6 +202,7 @@ static const char *valid_cpus[] = { ARM_CPU_TYPE_NAME("cortex-a53"), ARM_CPU_TYPE_NAME("cortex-a57"), ARM_CPU_TYPE_NAME("cortex-a72"), + ARM_CPU_TYPE_NAME("cortex-a76"), ARM_CPU_TYPE_NAME("a64fx"), ARM_CPU_TYPE_NAME("host"), ARM_CPU_TYPE_NAME("max"), diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index f55121060d..adfe6b26be 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -194,6 +194,71 @@ static void aarch64_a72_initfn(Object *obj) define_cortex_a72_a57_a53_cp_reginfo(cpu); } +static void aarch64_a76_initfn(Object *obj) +{ + ARMCPU *cpu = ARM_CPU(obj); + + cpu->dtb_compatible = "arm,cortex-a76"; + set_feature(&cpu->env, ARM_FEATURE_V8); + set_feature(&cpu->env, ARM_FEATURE_NEON); + set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); + set_feature(&cpu->env, ARM_FEATURE_AARCH64); + set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); + set_feature(&cpu->env, ARM_FEATURE_EL2); + set_feature(&cpu->env, ARM_FEATURE_EL3); + set_feature(&cpu->env, ARM_FEATURE_PMU); + + /* Ordered by B2.4 AArch64 registers by functional group */ + cpu->clidr = 0x82000023; + cpu->ctr = 0x8444C004; + cpu->dcz_blocksize = 4; + cpu->isar.id_aa64dfr0 = 0x0000000010305408ull; + cpu->isar.id_aa64isar0 = 0x0000100010211120ull; + cpu->isar.id_aa64isar1 = 0x0000000000100001ull; + cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull; + cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull; + cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull; + cpu->isar.id_aa64pfr0 = 0x1100000010111112ull; /* GIC filled in later */ + cpu->isar.id_aa64pfr1 = 0x0000000000000010ull; + cpu->id_afr0 = 0x00000000; + cpu->isar.id_dfr0 = 0x04010088; + cpu->isar.id_isar0 = 0x02101110; + cpu->isar.id_isar1 = 0x13112111; + cpu->isar.id_isar2 = 0x21232042; + cpu->isar.id_isar3 = 0x01112131; + cpu->isar.id_isar4 = 0x00010142; + cpu->isar.id_isar5 = 0x01011121; + cpu->isar.id_isar6 = 0x00000010; + cpu->isar.id_mmfr0 = 0x10201105; + cpu->isar.id_mmfr1 = 0x40000000; + cpu->isar.id_mmfr2 = 0x01260000; + cpu->isar.id_mmfr3 = 0x02122211; + cpu->isar.id_mmfr4 = 0x00021110; + cpu->isar.id_pfr0 = 0x10010131; + cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */ + cpu->isar.id_pfr2 = 0x00000011; + cpu->midr = 0x414fd0b1; /* r4p1 */ + cpu->revidr = 0; + + /* From B2.18 CCSIDR_EL1 */ + cpu->ccsidr[0] = 0x701fe01a; /* 64KB L1 dcache */ + cpu->ccsidr[1] = 0x201fe01a; /* 64KB L1 icache */ + cpu->ccsidr[2] = 0x707fe03a; /* 512KB L2 cache */ + + /* From B2.93 SCTLR_EL3 */ + cpu->reset_sctlr = 0x30c50838; + + /* From B4.23 ICH_VTR_EL2 */ + cpu->gic_num_lrs = 4; + cpu->gic_vpribits = 5; + cpu->gic_vprebits = 5; + + /* From B5.1 AdvSIMD AArch64 register summary */ + cpu->isar.mvfr0 = 0x10110222; + cpu->isar.mvfr1 = 0x13211111; + cpu->isar.mvfr2 = 0x00000043; +} + void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp) { /* @@ -881,6 +946,7 @@ static const ARMCPUInfo aarch64_cpus[] = { { .name = "cortex-a57", .initfn = aarch64_a57_initfn }, { .name = "cortex-a53", .initfn = aarch64_a53_initfn }, { .name = "cortex-a72", .initfn = aarch64_a72_initfn }, + { .name = "cortex-a76", .initfn = aarch64_a76_initfn }, { .name = "a64fx", .initfn = aarch64_a64fx_initfn }, { .name = "max", .initfn = aarch64_max_initfn }, #if defined(CONFIG_KVM) || defined(CONFIG_HVF)