/* * 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 * */ #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; /* [QEMU_]KVM_ARM_TARGET_* constant for this CPU, or * QEMU_KVM_ARM_TARGET_NONE if the kernel doesn't support this CPU type. */ uint32_t kvm_target; /* 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 mvfr2; 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; uint64_t id_aa64pfr0; uint64_t id_aa64pfr1; uint64_t id_aa64dfr0; uint64_t id_aa64dfr1; uint64_t id_aa64afr0; uint64_t id_aa64afr1; uint64_t id_aa64isar0; uint64_t id_aa64isar1; uint64_t id_aa64mmfr0; uint64_t id_aa64mmfr1; 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; bool reset_hivecs; /* DCZ blocksize, in log_2(words), ie low 4 bits of DCZID_EL0 */ uint32_t dcz_blocksize; } 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); void aarch64_cpu_do_interrupt(CPUState *cs); #endif #endif