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-rw-r--r--target-arm/cpu64.c115
1 files changed, 109 insertions, 6 deletions
diff --git a/target-arm/cpu64.c b/target-arm/cpu64.c
index 8426bf1333..8daa622bdc 100644
--- a/target-arm/cpu64.c
+++ b/target-arm/cpu64.c
@@ -32,6 +32,104 @@ static inline void set_feature(CPUARMState *env, int feature)
env->features |= 1ULL << feature;
}
+#ifndef CONFIG_USER_ONLY
+static uint64_t a57_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ /* Number of processors is in [25:24]; otherwise we RAZ */
+ return (smp_cpus - 1) << 24;
+}
+#endif
+
+static const ARMCPRegInfo cortexa57_cp_reginfo[] = {
+#ifndef CONFIG_USER_ONLY
+ { .name = "L2CTLR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 2,
+ .access = PL1_RW, .readfn = a57_l2ctlr_read,
+ .writefn = arm_cp_write_ignore },
+ { .name = "L2CTLR",
+ .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 2,
+ .access = PL1_RW, .readfn = a57_l2ctlr_read,
+ .writefn = arm_cp_write_ignore },
+#endif
+ { .name = "L2ECTLR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 3,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "L2ECTLR",
+ .cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 3,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "L2ACTLR", .state = ARM_CP_STATE_BOTH,
+ .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 0, .opc2 = 0,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUACTLR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 0,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUACTLR",
+ .cp = 15, .opc1 = 0, .crm = 15,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
+ { .name = "CPUECTLR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 1,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUECTLR",
+ .cp = 15, .opc1 = 1, .crm = 15,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
+ { .name = "CPUMERRSR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 2,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "CPUMERRSR",
+ .cp = 15, .opc1 = 2, .crm = 15,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
+ { .name = "L2MERRSR_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 3,
+ .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "L2MERRSR",
+ .cp = 15, .opc1 = 3, .crm = 15,
+ .access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
+ REGINFO_SENTINEL
+};
+
+static void aarch64_a57_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8);
+ set_feature(&cpu->env, ARM_FEATURE_VFP4);
+ set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
+ 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);
+ cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A57;
+ cpu->midr = 0x411fd070;
+ cpu->reset_fpsid = 0x41034070;
+ cpu->mvfr0 = 0x10110222;
+ cpu->mvfr1 = 0x12111111;
+ cpu->mvfr2 = 0x00000043;
+ cpu->ctr = 0x8444c004;
+ cpu->reset_sctlr = 0x00c50838;
+ cpu->id_pfr0 = 0x00000131;
+ cpu->id_pfr1 = 0x00011011;
+ cpu->id_dfr0 = 0x03010066;
+ cpu->id_afr0 = 0x00000000;
+ cpu->id_mmfr0 = 0x10101105;
+ cpu->id_mmfr1 = 0x40000000;
+ cpu->id_mmfr2 = 0x01260000;
+ cpu->id_mmfr3 = 0x02102211;
+ cpu->id_isar0 = 0x02101110;
+ cpu->id_isar1 = 0x13112111;
+ cpu->id_isar2 = 0x21232042;
+ cpu->id_isar3 = 0x01112131;
+ cpu->id_isar4 = 0x00011142;
+ cpu->id_aa64pfr0 = 0x00002222;
+ cpu->id_aa64dfr0 = 0x10305106;
+ cpu->id_aa64isar0 = 0x00010000;
+ cpu->id_aa64mmfr0 = 0x00001124;
+ cpu->clidr = 0x0a200023;
+ cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
+ cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
+ cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
+ cpu->dcz_blocksize = 4; /* 64 bytes */
+}
+
#ifdef CONFIG_USER_ONLY
static void aarch64_any_initfn(Object *obj)
{
@@ -41,11 +139,11 @@ static void aarch64_any_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
- set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
set_feature(&cpu->env, ARM_FEATURE_V7MP);
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
cpu->ctr = 0x80030003; /* 32 byte I and D cacheline size, VIPT icache */
+ cpu->dcz_blocksize = 7; /* 512 bytes */
}
#endif
@@ -56,6 +154,7 @@ typedef struct ARMCPUInfo {
} ARMCPUInfo;
static const ARMCPUInfo aarch64_cpus[] = {
+ { .name = "cortex-a57", .initfn = aarch64_a57_initfn },
#ifdef CONFIG_USER_ONLY
{ .name = "any", .initfn = aarch64_any_initfn },
#endif
@@ -73,18 +172,22 @@ static void aarch64_cpu_finalizefn(Object *obj)
static void aarch64_cpu_set_pc(CPUState *cs, vaddr value)
{
ARMCPU *cpu = ARM_CPU(cs);
- /*
- * TODO: this will need updating for system emulation,
- * when the core may be in AArch32 mode.
+ /* It's OK to look at env for the current mode here, because it's
+ * never possible for an AArch64 TB to chain to an AArch32 TB.
+ * (Otherwise we would need to use synchronize_from_tb instead.)
*/
- cpu->env.pc = value;
+ if (is_a64(&cpu->env)) {
+ cpu->env.pc = value;
+ } else {
+ cpu->env.regs[15] = value;
+ }
}
static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
{
CPUClass *cc = CPU_CLASS(oc);
- cc->dump_state = aarch64_cpu_dump_state;
+ cc->do_interrupt = aarch64_cpu_do_interrupt;
cc->set_pc = aarch64_cpu_set_pc;
cc->gdb_read_register = aarch64_cpu_gdb_read_register;
cc->gdb_write_register = aarch64_cpu_gdb_write_register;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-01-21 05:54:38 +0100