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target/arm: Define neoverse-n1 

Enable the n1 for virt and sbsa board use.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220506180242.216785-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-06 13:02:42 -05:00 committed by Peter Maydell
parent 2f6283fc8e
commit 5db6de806a
4 changed files with 69 additions and 0 deletions
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1
docs/system/arm/virt.rst
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@ -58,6 +58,7 @@ Supported guest CPU types:
- ``cortex-a76`` (64-bit)
- ``a64fx`` (64-bit)
- ``host`` (with KVM only)
- ``neoverse-n1`` (64-bit)
- ``max`` (same as ``host`` for KVM; best possible emulation with TCG)
Note that the default is ``cortex-a15``, so for an AArch64 guest you must

1
hw/arm/sbsa-ref.c
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@ -146,6 +146,7 @@ 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("neoverse-n1"),
ARM_CPU_TYPE_NAME("max"),
};

1
hw/arm/virt.c
View File

@ -204,6 +204,7 @@ static const char *valid_cpus[] = {
ARM_CPU_TYPE_NAME("cortex-a72"),
ARM_CPU_TYPE_NAME("cortex-a76"),
ARM_CPU_TYPE_NAME("a64fx"),
ARM_CPU_TYPE_NAME("neoverse-n1"),
ARM_CPU_TYPE_NAME("host"),
ARM_CPU_TYPE_NAME("max"),
};

66
target/arm/cpu64.c
View File

@ -259,6 +259,71 @@ static void aarch64_a76_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
}
static void aarch64_neoverse_n1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
cpu->dtb_compatible = "arm,neoverse-n1";
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 = 0x0000000110305408ull;
cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
cpu->isar.id_aa64pfr0 = 0x1100000010111112ull; /* GIC filled in later */
cpu->isar.id_aa64pfr1 = 0x0000000000000020ull;
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 = 0x414fd0c1; /* r4p1 */
cpu->revidr = 0;
/* From B2.23 CCSIDR_EL1 */
cpu->ccsidr[0] = 0x701fe01a; /* 64KB L1 dcache */
cpu->ccsidr[1] = 0x201fe01a; /* 64KB L1 icache */
cpu->ccsidr[2] = 0x70ffe03a; /* 1MB L2 cache */
/* From B2.98 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)
{
/*
@ -948,6 +1013,7 @@ static const ARMCPUInfo aarch64_cpus[] = {
{ .name = "cortex-a72", .initfn = aarch64_a72_initfn },
{ .name = "cortex-a76", .initfn = aarch64_a76_initfn },
{ .name = "a64fx", .initfn = aarch64_a64fx_initfn },
{ .name = "neoverse-n1", .initfn = aarch64_neoverse_n1_initfn },
{ .name = "max", .initfn = aarch64_max_initfn },
#if defined(CONFIG_KVM) || defined(CONFIG_HVF)
{ .name = "host", .initfn = aarch64_host_initfn },