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/*
* QEMU ARM CPU
*
* Copyright (c) 2012 SUSE LINUX Products GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>
*/
#ifndef QEMU_ARM_CPU_QOM_H
#define QEMU_ARM_CPU_QOM_H
#include "qom/cpu.h"
#define TYPE_ARM_CPU "arm-cpu"
#define ARM_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(ARMCPUClass, (klass), TYPE_ARM_CPU)
#define ARM_CPU(obj) \
OBJECT_CHECK(ARMCPU, (obj), TYPE_ARM_CPU)
#define ARM_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(ARMCPUClass, (obj), TYPE_ARM_CPU)
/**
* ARMCPUClass:
* @parent_realize: The parent class' realize handler.
* @parent_reset: The parent class' reset handler.
*
* An ARM CPU model.
*/
typedef struct ARMCPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
DeviceRealize parent_realize;
void (*parent_reset)(CPUState *cpu);
} ARMCPUClass;
/**
* ARMCPU:
* @env: #CPUARMState
*
* An ARM CPU core.
*/
typedef struct ARMCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUARMState env;
/* Coprocessor information */
GHashTable *cp_regs;
/* For marshalling (mostly coprocessor) register state between the
* kernel and QEMU (for KVM) and between two QEMUs (for migration),
* we use these arrays.
*/
/* List of register indexes managed via these arrays; (full KVM style
* 64 bit indexes, not CPRegInfo 32 bit indexes)
*/
uint64_t *cpreg_indexes;
/* Values of the registers (cpreg_indexes[i]'s value is cpreg_values[i]) */
uint64_t *cpreg_values;
/* When using KVM, keeps a copy of the initial state of the VCPU,
* so that on reset we can feed the reset values back into the kernel.
*/
uint64_t *cpreg_reset_values;
/* Length of the indexes, values, reset_values arrays */
int32_t cpreg_array_len;
/* These are used only for migration: incoming data arrives in
* these fields and is sanity checked in post_load before copying
* to the working data structures above.
*/
uint64_t *cpreg_vmstate_indexes;
uint64_t *cpreg_vmstate_values;
int32_t cpreg_vmstate_array_len;
/* Timers used by the generic (architected) timer */
QEMUTimer *gt_timer[NUM_GTIMERS];
/* GPIO outputs for generic timer */
qemu_irq gt_timer_outputs[NUM_GTIMERS];
/* 'compatible' string for this CPU for Linux device trees */
const char *dtb_compatible;
/* Should CPU start in PSCI powered-off state? */
bool start_powered_off;
/* The instance init functions for implementation-specific subclasses
* set these fields to specify the implementation-dependent values of
* various constant registers and reset values of non-constant
* registers.
* Some of these might become QOM properties eventually.
* Field names match the official register names as defined in the
* ARMv7AR ARM Architecture Reference Manual. A reset_ prefix
* is used for reset values of non-constant registers; no reset_
* prefix means a constant register.
*/
uint32_t midr;
uint32_t reset_fpsid;
uint32_t mvfr0;
uint32_t mvfr1;
uint32_t ctr;
uint32_t reset_sctlr;
uint32_t id_pfr0;
uint32_t id_pfr1;
uint32_t id_dfr0;
uint32_t id_afr0;
uint32_t id_mmfr0;
uint32_t id_mmfr1;
uint32_t id_mmfr2;
uint32_t id_mmfr3;
uint32_t id_isar0;
uint32_t id_isar1;
uint32_t id_isar2;
uint32_t id_isar3;
uint32_t id_isar4;
uint32_t id_isar5;
uint32_t clidr;
/* The elements of this array are the CCSIDR values for each cache,
* in the order L1DCache, L1ICache, L2DCache, L2ICache, etc.
*/
uint32_t ccsidr[16];
uint32_t reset_cbar;
uint32_t reset_auxcr;
} ARMCPU;
#define TYPE_AARCH64_CPU "aarch64-cpu"
#define AARCH64_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
#define AARCH64_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
typedef struct AArch64CPUClass {
/*< private >*/
ARMCPUClass parent_class;
/*< public >*/
} AArch64CPUClass;
static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
{
return container_of(env, ARMCPU, env);
}
#define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e))
#define ENV_OFFSET offsetof(ARMCPU, env)
#ifndef CONFIG_USER_ONLY
extern const struct VMStateDescription vmstate_arm_cpu;
#endif
void register_cp_regs_for_features(ARMCPU *cpu);
void init_cpreg_list(ARMCPU *cpu);
void arm_cpu_do_interrupt(CPUState *cpu);
void arm_v7m_cpu_do_interrupt(CPUState *cpu);
void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
int flags);
hwaddr arm_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int arm_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
/* Callback functions for the generic timer's timers. */
void arm_gt_ptimer_cb(void *opaque);
void arm_gt_vtimer_cb(void *opaque);
#ifdef TARGET_AARCH64
void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
fprintf_function cpu_fprintf, int flags);
int aarch64_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int aarch64_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
#endif
#endif
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