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authorPeter Maydell <peter.maydell@linaro.org>2023-07-04 14:06:47 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-07-06 13:30:10 +0100
commitc74138c6c040b62e941326a4fbb25a93fdd35b72 (patch)
treecd30400ed5dbcbcee7e441827807ede69fd0133b /target/arm
parent7d8c283e10dd818457e7c6a0f729fb03857253ac (diff)
target/arm: Define neoverse-v1
Now that we have implemented support for FEAT_LSE2, we can define a CPU model for the Neoverse-V1, and enable it for the virt and sbsa-ref boards. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230704130647.2842917-3-peter.maydell@linaro.org Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/tcg/cpu64.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 6fec2d8a57..8019f00bc3 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -502,6 +502,31 @@ static void define_neoverse_n1_cp_reginfo(ARMCPU *cpu)
define_arm_cp_regs(cpu, neoverse_n1_cp_reginfo);
}
+static const ARMCPRegInfo neoverse_v1_cp_reginfo[] = {
+ { .name = "CPUECTLR2_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 15, .crm = 1, .opc2 = 5,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUPPMCR_EL3", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 6, .crn = 15, .crm = 2, .opc2 = 0,
+ .access = PL3_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUPPMCR2_EL3", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 6, .crn = 15, .crm = 2, .opc2 = 1,
+ .access = PL3_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUPPMCR3_EL3", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 6, .crn = 15, .crm = 2, .opc2 = 6,
+ .access = PL3_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+};
+
+static void define_neoverse_v1_cp_reginfo(ARMCPU *cpu)
+{
+ /*
+ * The Neoverse V1 has all of the Neoverse N1's IMPDEF
+ * registers and a few more of its own.
+ */
+ define_arm_cp_regs(cpu, neoverse_n1_cp_reginfo);
+ define_arm_cp_regs(cpu, neoverse_v1_cp_reginfo);
+}
+
static void aarch64_neoverse_n1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
@@ -573,6 +598,108 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
define_neoverse_n1_cp_reginfo(cpu);
}
+static void aarch64_neoverse_v1_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ cpu->dtb_compatible = "arm,neoverse-v1";
+ 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 3.2.4 AArch64 registers by functional group */
+ cpu->clidr = 0x82000023;
+ cpu->ctr = 0xb444c004; /* With DIC and IDC set */
+ cpu->dcz_blocksize = 4;
+ cpu->id_aa64afr0 = 0x00000000;
+ cpu->id_aa64afr1 = 0x00000000;
+ cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
+ cpu->isar.id_aa64dfr1 = 0x00000000;
+ cpu->isar.id_aa64isar0 = 0x1011111110212120ull; /* with FEAT_RNG */
+ cpu->isar.id_aa64isar1 = 0x0111000001211032ull;
+ cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
+ cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
+ cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
+ cpu->isar.id_aa64pfr0 = 0x1101110120111112ull; /* GIC filled in later */
+ cpu->isar.id_aa64pfr1 = 0x0000000000000020ull;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_dfr0 = 0x15011099;
+ 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 = 0x11011121;
+ cpu->isar.id_isar6 = 0x01100111;
+ cpu->isar.id_mmfr0 = 0x10201105;
+ cpu->isar.id_mmfr1 = 0x40000000;
+ cpu->isar.id_mmfr2 = 0x01260000;
+ cpu->isar.id_mmfr3 = 0x02122211;
+ cpu->isar.id_mmfr4 = 0x01021110;
+ cpu->isar.id_pfr0 = 0x21110131;
+ cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
+ cpu->isar.id_pfr2 = 0x00000011;
+ cpu->midr = 0x411FD402; /* r1p2 */
+ cpu->revidr = 0;
+
+ /*
+ * The Neoverse-V1 r1p2 TRM lists 32-bit format CCSIDR_EL1 values,
+ * but also says it implements CCIDX, which means they should be
+ * 64-bit format. So we here use values which are based on the textual
+ * information in chapter 2 of the TRM (and on the fact that
+ * sets * associativity * linesize == cachesize).
+ *
+ * The 64-bit CCSIDR_EL1 format is:
+ * [55:32] number of sets - 1
+ * [23:3] associativity - 1
+ * [2:0] log2(linesize) - 4
+ * so 0 == 16 bytes, 1 == 32 bytes, 2 == 64 bytes, etc
+ *
+ * L1: 4-way set associative 64-byte line size, total size 64K,
+ * so sets is 256.
+ *
+ * L2: 8-way set associative, 64 byte line size, either 512K or 1MB.
+ * We pick 1MB, so this has 2048 sets.
+ *
+ * L3: No L3 (this matches the CLIDR_EL1 value).
+ */
+ cpu->ccsidr[0] = 0x000000ff0000001aull; /* 64KB L1 dcache */
+ cpu->ccsidr[1] = 0x000000ff0000001aull; /* 64KB L1 icache */
+ cpu->ccsidr[2] = 0x000007ff0000003aull; /* 1MB L2 cache */
+
+ /* From 3.2.115 SCTLR_EL3 */
+ cpu->reset_sctlr = 0x30c50838;
+
+ /* From 3.4.8 ICC_CTLR_EL3 and 3.4.23 ICH_VTR_EL2 */
+ cpu->gic_num_lrs = 4;
+ cpu->gic_vpribits = 5;
+ cpu->gic_vprebits = 5;
+ cpu->gic_pribits = 5;
+
+ /* From 3.5.1 AdvSIMD AArch64 register summary */
+ cpu->isar.mvfr0 = 0x10110222;
+ cpu->isar.mvfr1 = 0x13211111;
+ cpu->isar.mvfr2 = 0x00000043;
+
+ /* From 3.7.5 ID_AA64ZFR0_EL1 */
+ cpu->isar.id_aa64zfr0 = 0x0000100000100000;
+ cpu->sve_vq.supported = (1 << 0) /* 128bit */
+ | (1 << 1); /* 256bit */
+
+ /* From 5.5.1 AArch64 PMU register summary */
+ cpu->isar.reset_pmcr_el0 = 0x41213000;
+
+ define_neoverse_v1_cp_reginfo(cpu);
+
+ aarch64_add_pauth_properties(obj);
+ aarch64_add_sve_properties(obj);
+}
+
/*
* -cpu max: a CPU with as many features enabled as our emulation supports.
* The version of '-cpu max' for qemu-system-arm is defined in cpu32.c;
@@ -763,6 +890,7 @@ static const ARMCPUInfo aarch64_cpus[] = {
{ .name = "cortex-a76", .initfn = aarch64_a76_initfn },
{ .name = "a64fx", .initfn = aarch64_a64fx_initfn },
{ .name = "neoverse-n1", .initfn = aarch64_neoverse_n1_initfn },
+ { .name = "neoverse-v1", .initfn = aarch64_neoverse_v1_initfn },
};
static void aarch64_cpu_register_types(void)
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-16 15:34:31 +0000