#include <signal.h>
#include "hw/qdev-core.h"
+#include "exec/hwaddr.h"
#include "qemu/thread.h"
+#include "qemu/tls.h"
+#include "qemu/typedefs.h"
+
+typedef int (*WriteCoreDumpFunction)(void *buf, size_t size, void *opaque);
/**
* SECTION:cpu
typedef struct CPUState CPUState;
+typedef void (*CPUUnassignedAccess)(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec, int opaque,
+ unsigned size);
+
/**
* CPUClass:
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
* @reset: Callback to reset the #CPUState to its initial state.
+ * @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @do_interrupt: Callback for interrupt handling.
+ * @do_unassigned_access: Callback for unassigned access handling.
+ * @dump_state: Callback for dumping state.
+ * @dump_statistics: Callback for dumping statistics.
* @get_arch_id: Callback for getting architecture-dependent CPU ID.
+ * @get_paging_enabled: Callback for inquiring whether paging is enabled.
+ * @get_memory_mapping: Callback for obtaining the memory mappings.
* @vmsd: State description for migration.
*
* Represents a CPU family or model.
ObjectClass *(*class_by_name)(const char *cpu_model);
void (*reset)(CPUState *cpu);
+ int reset_dump_flags;
void (*do_interrupt)(CPUState *cpu);
+ CPUUnassignedAccess do_unassigned_access;
+ void (*dump_state)(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+ int flags);
+ void (*dump_statistics)(CPUState *cpu, FILE *f,
+ fprintf_function cpu_fprintf, int flags);
int64_t (*get_arch_id)(CPUState *cpu);
+ bool (*get_paging_enabled)(const CPUState *cpu);
+ void (*get_memory_mapping)(CPUState *cpu, MemoryMappingList *list,
+ Error **errp);
const struct VMStateDescription *vmsd;
+ int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu,
+ int cpuid, void *opaque);
+ int (*write_elf64_qemunote)(WriteCoreDumpFunction f, CPUState *cpu,
+ void *opaque);
+ int (*write_elf32_note)(WriteCoreDumpFunction f, CPUState *cpu,
+ int cpuid, void *opaque);
+ int (*write_elf32_qemunote)(WriteCoreDumpFunction f, CPUState *cpu,
+ void *opaque);
} CPUClass;
struct KVMState;
* CPU and return to its top level loop.
* @env_ptr: Pointer to subclass-specific CPUArchState field.
* @current_tb: Currently executing TB.
+ * @next_cpu: Next CPU sharing TB cache.
* @kvm_fd: vCPU file descriptor for KVM.
*
* State of one CPU core or thread.
void *env_ptr; /* CPUArchState */
struct TranslationBlock *current_tb;
+ CPUState *next_cpu;
int kvm_fd;
bool kvm_vcpu_dirty;
uint32_t halted; /* used by alpha, cris, ppc TCG */
};
+extern CPUState *first_cpu;
+
+DECLARE_TLS(CPUState *, current_cpu);
+#define current_cpu tls_var(current_cpu)
+
+/**
+ * cpu_paging_enabled:
+ * @cpu: The CPU whose state is to be inspected.
+ *
+ * Returns: %true if paging is enabled, %false otherwise.
+ */
+bool cpu_paging_enabled(const CPUState *cpu);
+
+/**
+ * cpu_get_memory_mapping:
+ * @cpu: The CPU whose memory mappings are to be obtained.
+ * @list: Where to write the memory mappings to.
+ * @errp: Pointer for reporting an #Error.
+ */
+void cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
+ Error **errp);
+
+/**
+ * cpu_write_elf64_note:
+ * @f: pointer to a function that writes memory to a file
+ * @cpu: The CPU whose memory is to be dumped
+ * @cpuid: ID number of the CPU
+ * @opaque: pointer to the CPUState struct
+ */
+int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
+ int cpuid, void *opaque);
+
+/**
+ * cpu_write_elf64_qemunote:
+ * @f: pointer to a function that writes memory to a file
+ * @cpu: The CPU whose memory is to be dumped
+ * @cpuid: ID number of the CPU
+ * @opaque: pointer to the CPUState struct
+ */
+int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
+ void *opaque);
+
+/**
+ * cpu_write_elf32_note:
+ * @f: pointer to a function that writes memory to a file
+ * @cpu: The CPU whose memory is to be dumped
+ * @cpuid: ID number of the CPU
+ * @opaque: pointer to the CPUState struct
+ */
+int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
+ int cpuid, void *opaque);
+
+/**
+ * cpu_write_elf32_qemunote:
+ * @f: pointer to a function that writes memory to a file
+ * @cpu: The CPU whose memory is to be dumped
+ * @cpuid: ID number of the CPU
+ * @opaque: pointer to the CPUState struct
+ */
+int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
+ void *opaque);
+
+/**
+ * CPUDumpFlags:
+ * @CPU_DUMP_CODE:
+ * @CPU_DUMP_FPU: dump FPU register state, not just integer
+ * @CPU_DUMP_CCOP: dump info about TCG QEMU's condition code optimization state
+ */
+enum CPUDumpFlags {
+ CPU_DUMP_CODE = 0x00010000,
+ CPU_DUMP_FPU = 0x00020000,
+ CPU_DUMP_CCOP = 0x00040000,
+};
+
+/**
+ * cpu_dump_state:
+ * @cpu: The CPU whose state is to be dumped.
+ * @f: File to dump to.
+ * @cpu_fprintf: Function to dump with.
+ * @flags: Flags what to dump.
+ *
+ * Dumps CPU state.
+ */
+void cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+ int flags);
+
+/**
+ * cpu_dump_statistics:
+ * @cpu: The CPU whose state is to be dumped.
+ * @f: File to dump to.
+ * @cpu_fprintf: Function to dump with.
+ * @flags: Flags what to dump.
+ *
+ * Dumps CPU statistics.
+ */
+void cpu_dump_statistics(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
+ int flags);
/**
* cpu_reset:
*
* The @value argument is intentionally discarded for the non-softmmu targets
* to avoid linker errors or excessive preprocessor usage. If this behavior
- * is undesired, you should assign #CPUState.vmsd directly instead.
+ * is undesired, you should assign #CPUClass.vmsd directly instead.
*/
#ifndef CONFIG_USER_ONLY
static inline void cpu_class_set_vmsd(CPUClass *cc,
#define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL)
#endif
+#ifndef CONFIG_USER_ONLY
+static inline void cpu_class_set_do_unassigned_access(CPUClass *cc,
+ CPUUnassignedAccess value)
+{
+ cc->do_unassigned_access = value;
+}
+#else
+#define cpu_class_set_do_unassigned_access(cc, value) \
+ ((cc)->do_unassigned_access = NULL)
+#endif
+
+/**
+ * device_class_set_vmsd:
+ * @dc: Device class
+ * @value: Value to set. Unused for %CONFIG_USER_ONLY.
+ *
+ * Sets #VMStateDescription for @dc.
+ *
+ * The @value argument is intentionally discarded for the non-softmmu targets
+ * to avoid linker errors or excessive preprocessor usage. If this behavior
+ * is undesired, you should assign #DeviceClass.vmsd directly instead.
+ */
+#ifndef CONFIG_USER_ONLY
+static inline void device_class_set_vmsd(DeviceClass *dc,
+ const struct VMStateDescription *value)
+{
+ dc->vmsd = value;
+}
+#else
+#define device_class_set_vmsd(dc, value) ((dc)->vmsd = NULL)
+#endif
+
/**
* qemu_cpu_has_work:
* @cpu: The vCPU to check.
*/
CPUState *qemu_get_cpu(int index);
+/**
+ * cpu_exists:
+ * @id: Guest-exposed CPU ID to lookup.
+ *
+ * Search for CPU with specified ID.
+ *
+ * Returns: %true - CPU is found, %false - CPU isn't found.
+ */
+bool cpu_exists(int64_t id);
+
#ifndef CONFIG_USER_ONLY
typedef void (*CPUInterruptHandler)(CPUState *, int);
#endif /* USER_ONLY */
+#ifndef CONFIG_USER_ONLY
+
+static inline void cpu_unassigned_access(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec,
+ int opaque, unsigned size)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ if (cc->do_unassigned_access) {
+ cc->do_unassigned_access(cpu, addr, is_write, is_exec, opaque, size);
+ }
+}
+
+#endif
+
/**
* cpu_reset_interrupt:
* @cpu: The CPU to clear the interrupt on.
*/
void cpu_reset_interrupt(CPUState *cpu, int mask);
+/**
+ * cpu_exit:
+ * @cpu: The CPU to exit.
+ *
+ * Requests the CPU @cpu to exit execution.
+ */
+void cpu_exit(CPUState *cpu);
+
/**
* cpu_resume:
* @cpu: The CPU to resume.
*/
void cpu_resume(CPUState *cpu);
+/**
+ * qemu_init_vcpu:
+ * @cpu: The vCPU to initialize.
+ *
+ * Initializes a vCPU.
+ */
+void qemu_init_vcpu(CPUState *cpu);
+
+#ifdef CONFIG_SOFTMMU
+extern const struct VMStateDescription vmstate_cpu_common;
+#else
+#define vmstate_cpu_common vmstate_dummy
+#endif
+
+#define VMSTATE_CPU() { \
+ .name = "parent_obj", \
+ .size = sizeof(CPUState), \
+ .vmsd = &vmstate_cpu_common, \
+ .flags = VMS_STRUCT, \
+ .offset = 0, \
+}
+
#endif
projects / qemu.git / blobdiff