324e05ef61
Add the Kunpeng-920 CPU model Signed-off-by: Xu Yandong <xuyandong2@huawei.com> Signed-off-by: Mingwang Li <limingwang@huawei.com>
69 lines
2.2 KiB
Diff
69 lines
2.2 KiB
Diff
From 8ebab06c4824626ab4d7204133cd1e7b9c67f468 Mon Sep 17 00:00:00 2001
|
|
From: Xu Yandong <xuyandong2@huawei.com>
|
|
Date: Tue, 8 Feb 2022 21:36:22 +0800
|
|
Subject: [PATCH] cpu: add Kunpeng-920 cpu support
|
|
|
|
Add the Kunpeng-920 CPU model
|
|
|
|
Signed-off-by: Xu Yandong <xuyandong2@huawei.com>
|
|
Signed-off-by: Mingwang Li <limingwang@huawei.com>
|
|
---
|
|
hw/arm/virt.c | 1 +
|
|
target/arm/cpu64.c | 21 +++++++++++++++++++++
|
|
2 files changed, 22 insertions(+)
|
|
|
|
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
|
|
index 30da05dfe0..a4a35584e9 100644
|
|
--- a/hw/arm/virt.c
|
|
+++ b/hw/arm/virt.c
|
|
@@ -201,6 +201,7 @@ 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("Kunpeng-920"),
|
|
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 019edc66c9..aaca79f7c3 100644
|
|
--- a/target/arm/cpu64.c
|
|
+++ b/target/arm/cpu64.c
|
|
@@ -248,6 +248,26 @@ static void aarch64_a72_initfn(Object *obj)
|
|
define_arm_cp_regs(cpu, cortex_a72_a57_a53_cp_reginfo);
|
|
}
|
|
|
|
+static void aarch64_kunpeng_920_initfn(Object *obj)
|
|
+{
|
|
+ ARMCPU *cpu = ARM_CPU(obj);
|
|
+
|
|
+ /*
|
|
+ * Hisilicon Kunpeng-920 CPU is similar to cortex-a72,
|
|
+ * so first initialize cpu data as cortex-a72,
|
|
+ * and then update the special register.
|
|
+ */
|
|
+ aarch64_a72_initfn(obj);
|
|
+
|
|
+ cpu->midr = 0x480fd010;
|
|
+ cpu->ctr = 0x84448004;
|
|
+ cpu->isar.id_aa64pfr0 = 0x11001111;
|
|
+ cpu->isar.id_aa64dfr0 = 0x110305408;
|
|
+ cpu->isar.id_aa64isar0 = 0x10211120;
|
|
+ cpu->isar.id_aa64mmfr0 = 0x101125;
|
|
+ cpu->kvm_target = KVM_ARM_TARGET_GENERIC_V8;
|
|
+}
|
|
+
|
|
void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
|
|
{
|
|
/*
|
|
@@ -892,6 +912,7 @@ 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 = "Kunpeng-920", .initfn = aarch64_kunpeng_920_initfn},
|
|
{ .name = "a64fx", .initfn = aarch64_a64fx_initfn },
|
|
{ .name = "max", .initfn = aarch64_max_initfn },
|
|
};
|
|
--
|
|
2.27.0
|
|
|