From dcf578ed8cec89543158b103940e854ebd21a8cf Mon Sep 17 00:00:00 2001 From: Andrey Yurovsky Date: Thu, 22 Sep 2016 18:13:05 +0100 Subject: [PATCH] arm: add Cortex A7 CPU parameters Add the "cortex-a7" CPU with features and registers matching the Cortex-A7 MPCore Technical Reference Manual and the Cortex-A7 Floating-Point Unit Technical Reference Manual. The A7 is very similar to the A15. Signed-off-by: Andrey Yurovsky Reviewed-by: Peter Maydell Message-id: 1473185229-4597-1-git-send-email-yurovsky@gmail.com Signed-off-by: Peter Maydell --- target-arm/cpu.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/target-arm/cpu.c b/target-arm/cpu.c index ce8b8f4a5b..1b9540e085 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -1129,6 +1129,51 @@ static const ARMCPRegInfo cortexa15_cp_reginfo[] = { REGINFO_SENTINEL }; +static void cortex_a7_initfn(Object *obj) +{ + ARMCPU *cpu = ARM_CPU(obj); + + cpu->dtb_compatible = "arm,cortex-a7"; + set_feature(&cpu->env, ARM_FEATURE_V7); + set_feature(&cpu->env, ARM_FEATURE_VFP4); + 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_GENERIC_TIMER); + set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS); + set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); + set_feature(&cpu->env, ARM_FEATURE_LPAE); + set_feature(&cpu->env, ARM_FEATURE_EL3); + cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A7; + cpu->midr = 0x410fc075; + cpu->reset_fpsid = 0x41023075; + cpu->mvfr0 = 0x10110222; + cpu->mvfr1 = 0x11111111; + cpu->ctr = 0x84448003; + cpu->reset_sctlr = 0x00c50078; + cpu->id_pfr0 = 0x00001131; + cpu->id_pfr1 = 0x00011011; + cpu->id_dfr0 = 0x02010555; + cpu->pmceid0 = 0x00000000; + cpu->pmceid1 = 0x00000000; + cpu->id_afr0 = 0x00000000; + cpu->id_mmfr0 = 0x10101105; + cpu->id_mmfr1 = 0x40000000; + cpu->id_mmfr2 = 0x01240000; + cpu->id_mmfr3 = 0x02102211; + cpu->id_isar0 = 0x01101110; + cpu->id_isar1 = 0x13112111; + cpu->id_isar2 = 0x21232041; + cpu->id_isar3 = 0x11112131; + cpu->id_isar4 = 0x10011142; + cpu->dbgdidr = 0x3515f005; + cpu->clidr = 0x0a200023; + cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */ + cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */ + cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */ + define_arm_cp_regs(cpu, cortexa15_cp_reginfo); /* Same as A15 */ +} + static void cortex_a15_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); @@ -1385,6 +1430,7 @@ static const ARMCPUInfo arm_cpus[] = { { .name = "cortex-m4", .initfn = cortex_m4_initfn, .class_init = arm_v7m_class_init }, { .name = "cortex-r5", .initfn = cortex_r5_initfn }, + { .name = "cortex-a7", .initfn = cortex_a7_initfn }, { .name = "cortex-a8", .initfn = cortex_a8_initfn }, { .name = "cortex-a9", .initfn = cortex_a9_initfn }, { .name = "cortex-a15", .initfn = cortex_a15_initfn },