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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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#ifndef QEMU_ARM_CPU_QOM_H
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#define QEMU_ARM_CPU_QOM_H
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#define TYPE_ARM_CPU "arm-cpu"
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#define ARM_CPU_CLASS(klass) \
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OBJECT_CLASS_CHECK(ARMCPUClass, (klass), TYPE_ARM_CPU)
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#define ARM_CPU(obj) \
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OBJECT_CHECK(ARMCPU, (obj), TYPE_ARM_CPU)
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#define ARM_CPU_GET_CLASS(obj) \
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OBJECT_GET_CLASS(ARMCPUClass, (obj), TYPE_ARM_CPU)
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* @parent_realize: The parent class' realize handler.
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* @parent_reset: The parent class' reset handler.
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typedef struct ARMCPUClass {
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CPUClass parent_class;
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DeviceRealize parent_realize;
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void (*parent_reset)(CPUState *cpu);
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typedef struct ARMCPU {
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/* Coprocessor information */
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/* For marshalling (mostly coprocessor) register state between the
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* kernel and QEMU (for KVM) and between two QEMUs (for migration),
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* we use these arrays.
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/* List of register indexes managed via these arrays; (full KVM style
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* 64 bit indexes, not CPRegInfo 32 bit indexes)
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uint64_t *cpreg_indexes;
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/* Values of the registers (cpreg_indexes[i]'s value is cpreg_values[i]) */
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uint64_t *cpreg_values;
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/* When using KVM, keeps a copy of the initial state of the VCPU,
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* so that on reset we can feed the reset values back into the kernel.
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uint64_t *cpreg_reset_values;
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/* Length of the indexes, values, reset_values arrays */
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int32_t cpreg_array_len;
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/* These are used only for migration: incoming data arrives in
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* these fields and is sanity checked in post_load before copying
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* to the working data structures above.
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uint64_t *cpreg_vmstate_indexes;
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uint64_t *cpreg_vmstate_values;
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int32_t cpreg_vmstate_array_len;
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/* The instance init functions for implementation-specific subclasses
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* set these fields to specify the implementation-dependent values of
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* various constant registers and reset values of non-constant
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* Some of these might become QOM properties eventually.
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* Field names match the official register names as defined in the
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* ARMv7AR ARM Architecture Reference Manual. A reset_ prefix
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* is used for reset values of non-constant registers; no reset_
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* prefix means a constant register.
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uint32_t reset_fpsid;
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uint32_t reset_sctlr;
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/* The elements of this array are the CCSIDR values for each cache,
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* in the order L1DCache, L1ICache, L2DCache, L2ICache, etc.
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uint32_t reset_auxcr;
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static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
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return container_of(env, ARMCPU, env);
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#define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e))
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#define ENV_OFFSET offsetof(ARMCPU, env)
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#ifndef CONFIG_USER_ONLY
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extern const struct VMStateDescription vmstate_arm_cpu;
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void register_cp_regs_for_features(ARMCPU *cpu);
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void init_cpreg_list(ARMCPU *cpu);
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void arm_cpu_do_interrupt(CPUState *cpu);
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void arm_v7m_cpu_do_interrupt(CPUState *cpu);
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void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
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hwaddr arm_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
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int arm_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
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int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);