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* Copyright (c) 2012 SUSE LINUX Products GmbH
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see
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* <http://www.gnu.org/licenses/gpl-2.0.html>
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#include "qemu-common.h"
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#include "hw/qdev-properties.h"
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#if !defined(CONFIG_USER_ONLY)
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#include "hw/loader.h"
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#include "hw/arm/arm.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/kvm.h"
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static void arm_cpu_set_pc(CPUState *cs, vaddr value)
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ARMCPU *cpu = ARM_CPU(cs);
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cpu->env.regs[15] = value;
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static void cp_reg_reset(gpointer key, gpointer value, gpointer opaque)
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/* Reset a single ARMCPRegInfo register */
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ARMCPRegInfo *ri = value;
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if (ri->type & ARM_CP_SPECIAL) {
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ri->resetfn(&cpu->env, ri);
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/* A zero offset is never possible as it would be regs[0]
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* so we use it to indicate that reset is being handled elsewhere.
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* This is basically only used for fields in non-core coprocessors
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* (like the pxa2xx ones).
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if (!ri->fieldoffset) {
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if (ri->type & ARM_CP_64BIT) {
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CPREG_FIELD64(&cpu->env, ri) = ri->resetvalue;
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CPREG_FIELD32(&cpu->env, ri) = ri->resetvalue;
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/* CPUClass::reset() */
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static void arm_cpu_reset(CPUState *s)
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ARMCPU *cpu = ARM_CPU(s);
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ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu);
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CPUARMState *env = &cpu->env;
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memset(env, 0, offsetof(CPUARMState, breakpoints));
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g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu);
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env->vfp.xregs[ARM_VFP_FPSID] = cpu->reset_fpsid;
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env->vfp.xregs[ARM_VFP_MVFR0] = cpu->mvfr0;
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env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1;
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if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
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env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q';
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if (arm_feature(env, ARM_FEATURE_AARCH64)) {
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/* 64 bit CPUs always start in 64 bit mode */
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#if defined(CONFIG_USER_ONLY)
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env->uncached_cpsr = ARM_CPU_MODE_USR;
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/* For user mode we must enable access to coprocessors */
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env->vfp.xregs[ARM_VFP_FPEXC] = 1 << 30;
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if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
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env->cp15.c15_cpar = 3;
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} else if (arm_feature(env, ARM_FEATURE_XSCALE)) {
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env->cp15.c15_cpar = 1;
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/* SVC mode with interrupts disabled. */
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env->uncached_cpsr = ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I;
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/* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
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clear at reset. Initial SP and PC are loaded from ROM. */
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env->uncached_cpsr &= ~CPSR_I;
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/* We should really use ldl_phys here, in case the guest
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modified flash and reset itself. However images
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loaded via -kernel have not been copied yet, so load the
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values directly from there. */
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env->regs[13] = ldl_p(rom) & 0xFFFFFFFC;
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env->regs[15] = pc & ~1;
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env->vfp.xregs[ARM_VFP_FPEXC] = 0;
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set_flush_to_zero(1, &env->vfp.standard_fp_status);
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set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
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set_default_nan_mode(1, &env->vfp.standard_fp_status);
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set_float_detect_tininess(float_tininess_before_rounding,
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&env->vfp.fp_status);
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set_float_detect_tininess(float_tininess_before_rounding,
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&env->vfp.standard_fp_status);
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/* Reset is a state change for some CPUARMState fields which we
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* bake assumptions about into translated code, so we need to
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#ifndef CONFIG_USER_ONLY
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static void arm_cpu_set_irq(void *opaque, int irq, int level)
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ARMCPU *cpu = opaque;
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CPUState *cs = CPU(cpu);
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cpu_interrupt(cs, CPU_INTERRUPT_HARD);
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cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
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cpu_interrupt(cs, CPU_INTERRUPT_FIQ);
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cpu_reset_interrupt(cs, CPU_INTERRUPT_FIQ);
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hw_error("arm_cpu_set_irq: Bad interrupt line %d\n", irq);
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static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level)
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ARMCPU *cpu = opaque;
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CPUState *cs = CPU(cpu);
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int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT;
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kvm_irq |= KVM_ARM_IRQ_CPU_IRQ;
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kvm_irq |= KVM_ARM_IRQ_CPU_FIQ;
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hw_error("arm_cpu_kvm_set_irq: Bad interrupt line %d\n", irq);
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kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT;
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kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0);
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static inline void set_feature(CPUARMState *env, int feature)
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env->features |= 1ULL << feature;
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static void arm_cpu_initfn(Object *obj)
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CPUState *cs = CPU(obj);
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ARMCPU *cpu = ARM_CPU(obj);
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cs->env_ptr = &cpu->env;
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cpu_exec_init(&cpu->env);
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cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal,
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#ifndef CONFIG_USER_ONLY
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/* Our inbound IRQ and FIQ lines */
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qdev_init_gpio_in(DEVICE(cpu), arm_cpu_kvm_set_irq, 2);
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qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 2);
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cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
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arm_gt_ptimer_cb, cpu);
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cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE,
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arm_gt_vtimer_cb, cpu);
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qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs,
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ARRAY_SIZE(cpu->gt_timer_outputs));
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/* DTB consumers generally don't in fact care what the 'compatible'
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* string is, so always provide some string and trust that a hypothetical
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* picky DTB consumer will also provide a helpful error message.
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cpu->dtb_compatible = "qemu,unknown";
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cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE;
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if (tcg_enabled() && !inited) {
230
arm_translate_init();
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static void arm_cpu_finalizefn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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g_hash_table_destroy(cpu->cp_regs);
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static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
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CPUState *cs = CPU(dev);
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ARMCPU *cpu = ARM_CPU(dev);
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ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
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CPUARMState *env = &cpu->env;
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/* Some features automatically imply others: */
248
if (arm_feature(env, ARM_FEATURE_V8)) {
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set_feature(env, ARM_FEATURE_V7);
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set_feature(env, ARM_FEATURE_ARM_DIV);
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set_feature(env, ARM_FEATURE_LPAE);
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if (arm_feature(env, ARM_FEATURE_V7)) {
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set_feature(env, ARM_FEATURE_VAPA);
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set_feature(env, ARM_FEATURE_THUMB2);
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set_feature(env, ARM_FEATURE_MPIDR);
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if (!arm_feature(env, ARM_FEATURE_M)) {
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set_feature(env, ARM_FEATURE_V6K);
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set_feature(env, ARM_FEATURE_V6);
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if (arm_feature(env, ARM_FEATURE_V6K)) {
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set_feature(env, ARM_FEATURE_V6);
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set_feature(env, ARM_FEATURE_MVFR);
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if (arm_feature(env, ARM_FEATURE_V6)) {
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set_feature(env, ARM_FEATURE_V5);
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if (!arm_feature(env, ARM_FEATURE_M)) {
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set_feature(env, ARM_FEATURE_AUXCR);
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if (arm_feature(env, ARM_FEATURE_V5)) {
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set_feature(env, ARM_FEATURE_V4T);
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if (arm_feature(env, ARM_FEATURE_M)) {
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set_feature(env, ARM_FEATURE_THUMB_DIV);
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if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
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set_feature(env, ARM_FEATURE_THUMB_DIV);
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if (arm_feature(env, ARM_FEATURE_VFP4)) {
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set_feature(env, ARM_FEATURE_VFP3);
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if (arm_feature(env, ARM_FEATURE_VFP3)) {
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set_feature(env, ARM_FEATURE_VFP);
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if (arm_feature(env, ARM_FEATURE_LPAE)) {
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set_feature(env, ARM_FEATURE_V7MP);
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set_feature(env, ARM_FEATURE_PXN);
293
register_cp_regs_for_features(cpu);
294
arm_cpu_register_gdb_regs_for_features(cpu);
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init_cpreg_list(cpu);
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acc->parent_realize(dev, errp);
304
static ObjectClass *arm_cpu_class_by_name(const char *cpu_model)
313
typename = g_strdup_printf("%s-" TYPE_ARM_CPU, cpu_model);
314
oc = object_class_by_name(typename);
316
if (!oc || !object_class_dynamic_cast(oc, TYPE_ARM_CPU) ||
317
object_class_is_abstract(oc)) {
323
/* CPU models. These are not needed for the AArch64 linux-user build. */
324
#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
326
static void arm926_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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cpu->dtb_compatible = "arm,arm926";
331
set_feature(&cpu->env, ARM_FEATURE_V5);
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set_feature(&cpu->env, ARM_FEATURE_VFP);
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set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
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cpu->midr = 0x41069265;
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cpu->reset_fpsid = 0x41011090;
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cpu->ctr = 0x1dd20d2;
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cpu->reset_sctlr = 0x00090078;
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static void arm946_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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cpu->dtb_compatible = "arm,arm946";
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set_feature(&cpu->env, ARM_FEATURE_V5);
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set_feature(&cpu->env, ARM_FEATURE_MPU);
348
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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cpu->midr = 0x41059461;
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cpu->ctr = 0x0f004006;
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cpu->reset_sctlr = 0x00000078;
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static void arm1026_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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cpu->dtb_compatible = "arm,arm1026";
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set_feature(&cpu->env, ARM_FEATURE_V5);
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set_feature(&cpu->env, ARM_FEATURE_VFP);
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set_feature(&cpu->env, ARM_FEATURE_AUXCR);
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set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
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cpu->midr = 0x4106a262;
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cpu->reset_fpsid = 0x410110a0;
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cpu->ctr = 0x1dd20d2;
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cpu->reset_sctlr = 0x00090078;
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cpu->reset_auxcr = 1;
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/* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
371
ARMCPRegInfo ifar = {
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.name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1,
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.fieldoffset = offsetof(CPUARMState, cp15.c6_insn),
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define_one_arm_cp_reg(cpu, &ifar);
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static void arm1136_r2_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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/* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
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* older core than plain "arm1136". In particular this does not
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* have the v6K features.
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* These ID register values are correct for 1136 but may be wrong
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* for 1136_r2 (in particular r0p2 does not actually implement most
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* of the ID registers).
392
cpu->dtb_compatible = "arm,arm1136";
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set_feature(&cpu->env, ARM_FEATURE_V6);
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set_feature(&cpu->env, ARM_FEATURE_VFP);
395
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
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cpu->midr = 0x4107b362;
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cpu->reset_fpsid = 0x410120b4;
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cpu->mvfr0 = 0x11111111;
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cpu->mvfr1 = 0x00000000;
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cpu->ctr = 0x1dd20d2;
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cpu->reset_sctlr = 0x00050078;
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cpu->id_pfr0 = 0x111;
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cpu->id_mmfr0 = 0x01130003;
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cpu->id_mmfr1 = 0x10030302;
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cpu->id_mmfr2 = 0x01222110;
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cpu->id_isar0 = 0x00140011;
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cpu->id_isar1 = 0x12002111;
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cpu->id_isar2 = 0x11231111;
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cpu->id_isar3 = 0x01102131;
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cpu->id_isar4 = 0x141;
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cpu->reset_auxcr = 7;
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static void arm1136_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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cpu->dtb_compatible = "arm,arm1136";
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set_feature(&cpu->env, ARM_FEATURE_V6K);
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set_feature(&cpu->env, ARM_FEATURE_V6);
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set_feature(&cpu->env, ARM_FEATURE_VFP);
427
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
430
cpu->midr = 0x4117b363;
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cpu->reset_fpsid = 0x410120b4;
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cpu->mvfr0 = 0x11111111;
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cpu->mvfr1 = 0x00000000;
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cpu->ctr = 0x1dd20d2;
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cpu->reset_sctlr = 0x00050078;
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cpu->id_pfr0 = 0x111;
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cpu->id_mmfr0 = 0x01130003;
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cpu->id_mmfr1 = 0x10030302;
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cpu->id_mmfr2 = 0x01222110;
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cpu->id_isar0 = 0x00140011;
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cpu->id_isar1 = 0x12002111;
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cpu->id_isar2 = 0x11231111;
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cpu->id_isar3 = 0x01102131;
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cpu->id_isar4 = 0x141;
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cpu->reset_auxcr = 7;
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static void arm1176_initfn(Object *obj)
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ARMCPU *cpu = ARM_CPU(obj);
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cpu->dtb_compatible = "arm,arm1176";
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set_feature(&cpu->env, ARM_FEATURE_V6K);
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set_feature(&cpu->env, ARM_FEATURE_VFP);
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set_feature(&cpu->env, ARM_FEATURE_VAPA);
459
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
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set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
461
set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
462
set_feature(&cpu->env, ARM_FEATURE_TRUSTZONE);
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cpu->midr = 0x410fb767;
464
cpu->reset_fpsid = 0x410120b5;
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cpu->mvfr0 = 0x11111111;
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cpu->mvfr1 = 0x00000000;
467
cpu->ctr = 0x1dd20d2;
468
cpu->reset_sctlr = 0x00050078;
469
cpu->id_pfr0 = 0x111;
473
cpu->id_mmfr0 = 0x01130003;
474
cpu->id_mmfr1 = 0x10030302;
475
cpu->id_mmfr2 = 0x01222100;
476
cpu->id_isar0 = 0x0140011;
477
cpu->id_isar1 = 0x12002111;
478
cpu->id_isar2 = 0x11231121;
479
cpu->id_isar3 = 0x01102131;
480
cpu->id_isar4 = 0x01141;
481
cpu->reset_auxcr = 7;
484
static void arm11mpcore_initfn(Object *obj)
486
ARMCPU *cpu = ARM_CPU(obj);
488
cpu->dtb_compatible = "arm,arm11mpcore";
489
set_feature(&cpu->env, ARM_FEATURE_V6K);
490
set_feature(&cpu->env, ARM_FEATURE_VFP);
491
set_feature(&cpu->env, ARM_FEATURE_VAPA);
492
set_feature(&cpu->env, ARM_FEATURE_MPIDR);
493
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
494
cpu->midr = 0x410fb022;
495
cpu->reset_fpsid = 0x410120b4;
496
cpu->mvfr0 = 0x11111111;
497
cpu->mvfr1 = 0x00000000;
498
cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
499
cpu->id_pfr0 = 0x111;
503
cpu->id_mmfr0 = 0x01100103;
504
cpu->id_mmfr1 = 0x10020302;
505
cpu->id_mmfr2 = 0x01222000;
506
cpu->id_isar0 = 0x00100011;
507
cpu->id_isar1 = 0x12002111;
508
cpu->id_isar2 = 0x11221011;
509
cpu->id_isar3 = 0x01102131;
510
cpu->id_isar4 = 0x141;
511
cpu->reset_auxcr = 1;
514
static void cortex_m3_initfn(Object *obj)
516
ARMCPU *cpu = ARM_CPU(obj);
517
set_feature(&cpu->env, ARM_FEATURE_V7);
518
set_feature(&cpu->env, ARM_FEATURE_M);
519
cpu->midr = 0x410fc231;
522
static void arm_v7m_class_init(ObjectClass *oc, void *data)
524
#ifndef CONFIG_USER_ONLY
525
CPUClass *cc = CPU_CLASS(oc);
527
cc->do_interrupt = arm_v7m_cpu_do_interrupt;
531
static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
532
{ .name = "L2LOCKDOWN", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 0,
533
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
534
{ .name = "L2AUXCR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
535
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
539
static void cortex_a8_initfn(Object *obj)
541
ARMCPU *cpu = ARM_CPU(obj);
543
cpu->dtb_compatible = "arm,cortex-a8";
544
set_feature(&cpu->env, ARM_FEATURE_V7);
545
set_feature(&cpu->env, ARM_FEATURE_VFP3);
546
set_feature(&cpu->env, ARM_FEATURE_NEON);
547
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
548
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
549
set_feature(&cpu->env, ARM_FEATURE_TRUSTZONE);
550
cpu->midr = 0x410fc080;
551
cpu->reset_fpsid = 0x410330c0;
552
cpu->mvfr0 = 0x11110222;
553
cpu->mvfr1 = 0x00011100;
554
cpu->ctr = 0x82048004;
555
cpu->reset_sctlr = 0x00c50078;
556
cpu->id_pfr0 = 0x1031;
558
cpu->id_dfr0 = 0x400;
560
cpu->id_mmfr0 = 0x31100003;
561
cpu->id_mmfr1 = 0x20000000;
562
cpu->id_mmfr2 = 0x01202000;
563
cpu->id_mmfr3 = 0x11;
564
cpu->id_isar0 = 0x00101111;
565
cpu->id_isar1 = 0x12112111;
566
cpu->id_isar2 = 0x21232031;
567
cpu->id_isar3 = 0x11112131;
568
cpu->id_isar4 = 0x00111142;
569
cpu->clidr = (1 << 27) | (2 << 24) | 3;
570
cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
571
cpu->ccsidr[1] = 0x2007e01a; /* 16k L1 icache. */
572
cpu->ccsidr[2] = 0xf0000000; /* No L2 icache. */
573
cpu->reset_auxcr = 2;
574
define_arm_cp_regs(cpu, cortexa8_cp_reginfo);
577
static void cortex_a8_r2_initfn(Object *obj)
580
* 1. do we really need this?
581
* 2. are these register values all correct? mostly same as A8 currently
583
ARMCPU *cpu = ARM_CPU(obj);
584
set_feature(&cpu->env, ARM_FEATURE_V7);
585
set_feature(&cpu->env, ARM_FEATURE_VFP3);
586
set_feature(&cpu->env, ARM_FEATURE_NEON);
587
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
588
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
589
set_feature(&cpu->env, ARM_FEATURE_TRUSTZONE);
590
cpu->midr = 0x410fc083;
591
cpu->reset_fpsid = 0x410330c2;
592
cpu->mvfr0 = 0x11110222;
593
cpu->mvfr1 = 0x00011111;
594
cpu->ctr = 0x82048004;
595
cpu->reset_sctlr = 0x00c50078;
596
cpu->id_pfr0 = 0x1031;
598
cpu->id_dfr0 = 0x400;
600
cpu->id_mmfr0 = 0x31100003;
601
cpu->id_mmfr1 = 0x20000000;
602
cpu->id_mmfr2 = 0x01202000;
603
cpu->id_mmfr3 = 0x11;
604
cpu->id_isar0 = 0x00101111;
605
cpu->id_isar1 = 0x12112111;
606
cpu->id_isar2 = 0x21232031;
607
cpu->id_isar3 = 0x11112131;
608
cpu->id_isar4 = 0x00111142;
609
cpu->clidr = (1 << 27) | (2 << 24) | 3;
610
cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
611
cpu->ccsidr[1] = 0x2007e01a; /* 16k L1 icache. */
612
cpu->ccsidr[2] = 0xf03fe03a; /* 256k L2 cache. */
613
cpu->reset_auxcr = 2;
614
define_arm_cp_regs(cpu, cortexa8_cp_reginfo);
617
static const ARMCPRegInfo cortexa9_cp_reginfo[] = {
618
/* power_control should be set to maximum latency. Again,
619
* default to 0 and set by private hook
621
{ .name = "A9_PWRCTL", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 0,
622
.access = PL1_RW, .resetvalue = 0,
623
.fieldoffset = offsetof(CPUARMState, cp15.c15_power_control) },
624
{ .name = "A9_DIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 1,
625
.access = PL1_RW, .resetvalue = 0,
626
.fieldoffset = offsetof(CPUARMState, cp15.c15_diagnostic) },
627
{ .name = "A9_PWRDIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 2,
628
.access = PL1_RW, .resetvalue = 0,
629
.fieldoffset = offsetof(CPUARMState, cp15.c15_power_diagnostic) },
630
{ .name = "NEONBUSY", .cp = 15, .crn = 15, .crm = 1, .opc1 = 0, .opc2 = 0,
631
.access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
632
/* TLB lockdown control */
633
{ .name = "TLB_LOCKR", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 2,
634
.access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
635
{ .name = "TLB_LOCKW", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 4,
636
.access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
637
{ .name = "TLB_VA", .cp = 15, .crn = 15, .crm = 5, .opc1 = 5, .opc2 = 2,
638
.access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
639
{ .name = "TLB_PA", .cp = 15, .crn = 15, .crm = 6, .opc1 = 5, .opc2 = 2,
640
.access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
641
{ .name = "TLB_ATTR", .cp = 15, .crn = 15, .crm = 7, .opc1 = 5, .opc2 = 2,
642
.access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
646
static void cortex_a9_initfn(Object *obj)
648
ARMCPU *cpu = ARM_CPU(obj);
650
cpu->dtb_compatible = "arm,cortex-a9";
651
set_feature(&cpu->env, ARM_FEATURE_V7);
652
set_feature(&cpu->env, ARM_FEATURE_VFP3);
653
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
654
set_feature(&cpu->env, ARM_FEATURE_NEON);
655
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
656
/* Note that A9 supports the MP extensions even for
657
* A9UP and single-core A9MP (which are both different
658
* and valid configurations; we don't model A9UP).
660
set_feature(&cpu->env, ARM_FEATURE_V7MP);
661
set_feature(&cpu->env, ARM_FEATURE_TRUSTZONE);
662
cpu->midr = 0x410fc090;
663
cpu->reset_fpsid = 0x41033090;
664
cpu->mvfr0 = 0x11110222;
665
cpu->mvfr1 = 0x01111111;
666
cpu->ctr = 0x80038003;
667
cpu->reset_sctlr = 0x00c50078;
668
cpu->id_pfr0 = 0x1031;
670
cpu->id_dfr0 = 0x000;
672
cpu->id_mmfr0 = 0x00100103;
673
cpu->id_mmfr1 = 0x20000000;
674
cpu->id_mmfr2 = 0x01230000;
675
cpu->id_mmfr3 = 0x00002111;
676
cpu->id_isar0 = 0x00101111;
677
cpu->id_isar1 = 0x13112111;
678
cpu->id_isar2 = 0x21232041;
679
cpu->id_isar3 = 0x11112131;
680
cpu->id_isar4 = 0x00111142;
681
cpu->clidr = (1 << 27) | (1 << 24) | 3;
682
cpu->ccsidr[0] = 0xe00fe015; /* 16k L1 dcache. */
683
cpu->ccsidr[1] = 0x200fe015; /* 16k L1 icache. */
685
ARMCPRegInfo cbar = {
686
.name = "CBAR", .cp = 15, .crn = 15, .crm = 0, .opc1 = 4,
687
.opc2 = 0, .access = PL1_R|PL3_W, .resetvalue = cpu->reset_cbar,
688
.fieldoffset = offsetof(CPUARMState, cp15.c15_config_base_address)
690
define_one_arm_cp_reg(cpu, &cbar);
691
define_arm_cp_regs(cpu, cortexa9_cp_reginfo);
695
#ifndef CONFIG_USER_ONLY
696
static int a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri,
699
/* Linux wants the number of processors from here.
700
* Might as well set the interrupt-controller bit too.
702
*value = ((smp_cpus - 1) << 24) | (1 << 23);
707
static const ARMCPRegInfo cortexa15_cp_reginfo[] = {
708
#ifndef CONFIG_USER_ONLY
709
{ .name = "L2CTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
710
.access = PL1_RW, .resetvalue = 0, .readfn = a15_l2ctlr_read,
711
.writefn = arm_cp_write_ignore, },
713
{ .name = "L2ECTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 3,
714
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
718
static void cortex_a15_initfn(Object *obj)
720
ARMCPU *cpu = ARM_CPU(obj);
722
cpu->dtb_compatible = "arm,cortex-a15";
723
set_feature(&cpu->env, ARM_FEATURE_V7);
724
set_feature(&cpu->env, ARM_FEATURE_VFP4);
725
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
726
set_feature(&cpu->env, ARM_FEATURE_NEON);
727
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
728
set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
729
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
730
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
731
set_feature(&cpu->env, ARM_FEATURE_LPAE);
732
set_feature(&cpu->env, ARM_FEATURE_TRUSTZONE);
733
cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A15;
734
cpu->midr = 0x412fc0f1;
735
cpu->reset_fpsid = 0x410430f0;
736
cpu->mvfr0 = 0x10110222;
737
cpu->mvfr1 = 0x11111111;
738
cpu->ctr = 0x8444c004;
739
cpu->reset_sctlr = 0x00c50078;
740
cpu->id_pfr0 = 0x00001131;
741
cpu->id_pfr1 = 0x00011011;
742
cpu->id_dfr0 = 0x02010555;
743
cpu->id_afr0 = 0x00000000;
744
cpu->id_mmfr0 = 0x10201105;
745
cpu->id_mmfr1 = 0x20000000;
746
cpu->id_mmfr2 = 0x01240000;
747
cpu->id_mmfr3 = 0x02102211;
748
cpu->id_isar0 = 0x02101110;
749
cpu->id_isar1 = 0x13112111;
750
cpu->id_isar2 = 0x21232041;
751
cpu->id_isar3 = 0x11112131;
752
cpu->id_isar4 = 0x10011142;
753
cpu->clidr = 0x0a200023;
754
cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */
755
cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */
756
cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */
757
define_arm_cp_regs(cpu, cortexa15_cp_reginfo);
760
static void ti925t_initfn(Object *obj)
762
ARMCPU *cpu = ARM_CPU(obj);
763
set_feature(&cpu->env, ARM_FEATURE_V4T);
764
set_feature(&cpu->env, ARM_FEATURE_OMAPCP);
765
cpu->midr = ARM_CPUID_TI925T;
766
cpu->ctr = 0x5109149;
767
cpu->reset_sctlr = 0x00000070;
770
static void sa1100_initfn(Object *obj)
772
ARMCPU *cpu = ARM_CPU(obj);
774
cpu->dtb_compatible = "intel,sa1100";
775
set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
776
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
777
cpu->midr = 0x4401A11B;
778
cpu->reset_sctlr = 0x00000070;
781
static void sa1110_initfn(Object *obj)
783
ARMCPU *cpu = ARM_CPU(obj);
784
set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
785
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
786
cpu->midr = 0x6901B119;
787
cpu->reset_sctlr = 0x00000070;
790
static void pxa250_initfn(Object *obj)
792
ARMCPU *cpu = ARM_CPU(obj);
794
cpu->dtb_compatible = "marvell,xscale";
795
set_feature(&cpu->env, ARM_FEATURE_V5);
796
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
797
cpu->midr = 0x69052100;
798
cpu->ctr = 0xd172172;
799
cpu->reset_sctlr = 0x00000078;
802
static void pxa255_initfn(Object *obj)
804
ARMCPU *cpu = ARM_CPU(obj);
806
cpu->dtb_compatible = "marvell,xscale";
807
set_feature(&cpu->env, ARM_FEATURE_V5);
808
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
809
cpu->midr = 0x69052d00;
810
cpu->ctr = 0xd172172;
811
cpu->reset_sctlr = 0x00000078;
814
static void pxa260_initfn(Object *obj)
816
ARMCPU *cpu = ARM_CPU(obj);
818
cpu->dtb_compatible = "marvell,xscale";
819
set_feature(&cpu->env, ARM_FEATURE_V5);
820
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
821
cpu->midr = 0x69052903;
822
cpu->ctr = 0xd172172;
823
cpu->reset_sctlr = 0x00000078;
826
static void pxa261_initfn(Object *obj)
828
ARMCPU *cpu = ARM_CPU(obj);
830
cpu->dtb_compatible = "marvell,xscale";
831
set_feature(&cpu->env, ARM_FEATURE_V5);
832
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
833
cpu->midr = 0x69052d05;
834
cpu->ctr = 0xd172172;
835
cpu->reset_sctlr = 0x00000078;
838
static void pxa262_initfn(Object *obj)
840
ARMCPU *cpu = ARM_CPU(obj);
842
cpu->dtb_compatible = "marvell,xscale";
843
set_feature(&cpu->env, ARM_FEATURE_V5);
844
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
845
cpu->midr = 0x69052d06;
846
cpu->ctr = 0xd172172;
847
cpu->reset_sctlr = 0x00000078;
850
static void pxa270a0_initfn(Object *obj)
852
ARMCPU *cpu = ARM_CPU(obj);
854
cpu->dtb_compatible = "marvell,xscale";
855
set_feature(&cpu->env, ARM_FEATURE_V5);
856
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
857
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
858
cpu->midr = 0x69054110;
859
cpu->ctr = 0xd172172;
860
cpu->reset_sctlr = 0x00000078;
863
static void pxa270a1_initfn(Object *obj)
865
ARMCPU *cpu = ARM_CPU(obj);
867
cpu->dtb_compatible = "marvell,xscale";
868
set_feature(&cpu->env, ARM_FEATURE_V5);
869
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
870
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
871
cpu->midr = 0x69054111;
872
cpu->ctr = 0xd172172;
873
cpu->reset_sctlr = 0x00000078;
876
static void pxa270b0_initfn(Object *obj)
878
ARMCPU *cpu = ARM_CPU(obj);
880
cpu->dtb_compatible = "marvell,xscale";
881
set_feature(&cpu->env, ARM_FEATURE_V5);
882
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
883
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
884
cpu->midr = 0x69054112;
885
cpu->ctr = 0xd172172;
886
cpu->reset_sctlr = 0x00000078;
889
static void pxa270b1_initfn(Object *obj)
891
ARMCPU *cpu = ARM_CPU(obj);
893
cpu->dtb_compatible = "marvell,xscale";
894
set_feature(&cpu->env, ARM_FEATURE_V5);
895
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
896
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
897
cpu->midr = 0x69054113;
898
cpu->ctr = 0xd172172;
899
cpu->reset_sctlr = 0x00000078;
902
static void pxa270c0_initfn(Object *obj)
904
ARMCPU *cpu = ARM_CPU(obj);
906
cpu->dtb_compatible = "marvell,xscale";
907
set_feature(&cpu->env, ARM_FEATURE_V5);
908
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
909
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
910
cpu->midr = 0x69054114;
911
cpu->ctr = 0xd172172;
912
cpu->reset_sctlr = 0x00000078;
915
static void pxa270c5_initfn(Object *obj)
917
ARMCPU *cpu = ARM_CPU(obj);
919
cpu->dtb_compatible = "marvell,xscale";
920
set_feature(&cpu->env, ARM_FEATURE_V5);
921
set_feature(&cpu->env, ARM_FEATURE_XSCALE);
922
set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
923
cpu->midr = 0x69054117;
924
cpu->ctr = 0xd172172;
925
cpu->reset_sctlr = 0x00000078;
928
#ifdef CONFIG_USER_ONLY
929
static void arm_any_initfn(Object *obj)
931
ARMCPU *cpu = ARM_CPU(obj);
932
set_feature(&cpu->env, ARM_FEATURE_V8);
933
set_feature(&cpu->env, ARM_FEATURE_VFP4);
934
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
935
set_feature(&cpu->env, ARM_FEATURE_NEON);
936
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
937
set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
938
set_feature(&cpu->env, ARM_FEATURE_V7MP);
939
#ifdef TARGET_AARCH64
940
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
942
cpu->midr = 0xffffffff;
946
#endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
948
typedef struct ARMCPUInfo {
950
void (*initfn)(Object *obj);
951
void (*class_init)(ObjectClass *oc, void *data);
954
static const ARMCPUInfo arm_cpus[] = {
955
#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
956
{ .name = "arm926", .initfn = arm926_initfn },
957
{ .name = "arm946", .initfn = arm946_initfn },
958
{ .name = "arm1026", .initfn = arm1026_initfn },
959
/* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
960
* older core than plain "arm1136". In particular this does not
961
* have the v6K features.
963
{ .name = "arm1136-r2", .initfn = arm1136_r2_initfn },
964
{ .name = "arm1136", .initfn = arm1136_initfn },
965
{ .name = "arm1176", .initfn = arm1176_initfn },
966
{ .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
967
{ .name = "cortex-m3", .initfn = cortex_m3_initfn,
968
.class_init = arm_v7m_class_init },
969
{ .name = "cortex-a8", .initfn = cortex_a8_initfn },
970
{ .name = "cortex-a8-r2",.initfn = cortex_a8_r2_initfn },
971
{ .name = "cortex-a9", .initfn = cortex_a9_initfn },
972
{ .name = "cortex-a15", .initfn = cortex_a15_initfn },
973
{ .name = "ti925t", .initfn = ti925t_initfn },
974
{ .name = "sa1100", .initfn = sa1100_initfn },
975
{ .name = "sa1110", .initfn = sa1110_initfn },
976
{ .name = "pxa250", .initfn = pxa250_initfn },
977
{ .name = "pxa255", .initfn = pxa255_initfn },
978
{ .name = "pxa260", .initfn = pxa260_initfn },
979
{ .name = "pxa261", .initfn = pxa261_initfn },
980
{ .name = "pxa262", .initfn = pxa262_initfn },
981
/* "pxa270" is an alias for "pxa270-a0" */
982
{ .name = "pxa270", .initfn = pxa270a0_initfn },
983
{ .name = "pxa270-a0", .initfn = pxa270a0_initfn },
984
{ .name = "pxa270-a1", .initfn = pxa270a1_initfn },
985
{ .name = "pxa270-b0", .initfn = pxa270b0_initfn },
986
{ .name = "pxa270-b1", .initfn = pxa270b1_initfn },
987
{ .name = "pxa270-c0", .initfn = pxa270c0_initfn },
988
{ .name = "pxa270-c5", .initfn = pxa270c5_initfn },
989
#ifdef CONFIG_USER_ONLY
990
{ .name = "any", .initfn = arm_any_initfn },
995
static Property arm_cpu_properties[] = {
996
DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false),
997
DEFINE_PROP_END_OF_LIST()
1000
static void arm_cpu_class_init(ObjectClass *oc, void *data)
1002
ARMCPUClass *acc = ARM_CPU_CLASS(oc);
1003
CPUClass *cc = CPU_CLASS(acc);
1004
DeviceClass *dc = DEVICE_CLASS(oc);
1006
acc->parent_realize = dc->realize;
1007
dc->realize = arm_cpu_realizefn;
1008
dc->props = arm_cpu_properties;
1010
acc->parent_reset = cc->reset;
1011
cc->reset = arm_cpu_reset;
1013
cc->class_by_name = arm_cpu_class_by_name;
1014
cc->do_interrupt = arm_cpu_do_interrupt;
1015
cc->dump_state = arm_cpu_dump_state;
1016
cc->set_pc = arm_cpu_set_pc;
1017
cc->gdb_read_register = arm_cpu_gdb_read_register;
1018
cc->gdb_write_register = arm_cpu_gdb_write_register;
1019
#ifndef CONFIG_USER_ONLY
1020
cc->get_phys_page_debug = arm_cpu_get_phys_page_debug;
1021
cc->vmsd = &vmstate_arm_cpu;
1023
cc->gdb_num_core_regs = 26;
1024
cc->gdb_core_xml_file = "arm-core.xml";
1027
static void cpu_register(const ARMCPUInfo *info)
1029
TypeInfo type_info = {
1030
.parent = TYPE_ARM_CPU,
1031
.instance_size = sizeof(ARMCPU),
1032
.instance_init = info->initfn,
1033
.class_size = sizeof(ARMCPUClass),
1034
.class_init = info->class_init,
1037
type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
1038
type_register(&type_info);
1039
g_free((void *)type_info.name);
1042
static const TypeInfo arm_cpu_type_info = {
1043
.name = TYPE_ARM_CPU,
1045
.instance_size = sizeof(ARMCPU),
1046
.instance_init = arm_cpu_initfn,
1047
.instance_finalize = arm_cpu_finalizefn,
1049
.class_size = sizeof(ARMCPUClass),
1050
.class_init = arm_cpu_class_init,
1053
static void arm_cpu_register_types(void)
1057
type_register_static(&arm_cpu_type_info);
1058
for (i = 0; i < ARRAY_SIZE(arm_cpus); i++) {
1059
cpu_register(&arm_cpus[i]);
1063
type_init(arm_cpu_register_types)