#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);
+/**
+ * vaddr:
+ * Type wide enough to contain any #target_ulong virtual address.
+ */
+typedef uint64_t vaddr;
+#define VADDR_PRId PRId64
+#define VADDR_PRIu PRIu64
+#define VADDR_PRIo PRIo64
+#define VADDR_PRIx PRIx64
+#define VADDR_PRIX PRIX64
+#define VADDR_MAX UINT64_MAX
+
/**
* SECTION:cpu
* @section_id: QEMU-cpu
typedef struct CPUState CPUState;
+typedef void (*CPUUnassignedAccess)(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec, int opaque,
+ unsigned size);
+
+struct TranslationBlock;
+
/**
* 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.
+ * @set_pc: Callback for setting the Program Counter register.
+ * @synchronize_from_tb: Callback for synchronizing state from a TCG
+ * #TranslationBlock.
+ * @get_phys_page_debug: Callback for obtaining a physical address.
* @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);
+ void (*set_pc)(CPUState *cpu, vaddr value);
+ void (*synchronize_from_tb)(CPUState *cpu, struct TranslationBlock *tb);
+ hwaddr (*get_phys_page_debug)(CPUState *cpu, vaddr addr);
const struct VMStateDescription *vmsd;
int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu,
* @stopped: Indicates the CPU has been artificially stopped.
* @tcg_exit_req: Set to force TCG to stop executing linked TBs for this
* CPU and return to its top level loop.
+ * @singlestep_enabled: Flags for single-stepping.
* @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.
volatile sig_atomic_t exit_request;
volatile sig_atomic_t tcg_exit_req;
uint32_t interrupt_request;
+ int singlestep_enabled;
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.
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);
+
+#ifndef CONFIG_USER_ONLY
+/**
+ * cpu_get_phys_page_debug:
+ * @cpu: The CPU to obtain the physical page address for.
+ * @addr: The virtual address.
+ *
+ * Obtains the physical page corresponding to a virtual one.
+ * Use it only for debugging because no protection checks are done.
+ *
+ * Returns: Corresponding physical page address or -1 if no page found.
+ */
+static inline hwaddr cpu_get_phys_page_debug(CPUState *cpu, vaddr addr)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ return cc->get_phys_page_debug(cpu, addr);
+}
+#endif
+
/**
* cpu_reset:
* @cpu: The CPU whose state is to be reset.
*/
ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model);
-/**
- * cpu_class_set_vmsd:
- * @cc: CPU class
- * @value: Value to set. Unused for %CONFIG_USER_ONLY.
- *
- * Sets #VMStateDescription for @cc.
- *
- * 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.
- */
-#ifndef CONFIG_USER_ONLY
-static inline void cpu_class_set_vmsd(CPUClass *cc,
- const struct VMStateDescription *value)
-{
- cc->vmsd = value;
-}
-#else
-#define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL)
-#endif
-
/**
* qemu_cpu_has_work:
* @cpu: The vCPU to check.
*/
void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data);
+/**
+ * async_run_on_cpu:
+ * @cpu: The vCPU to run on.
+ * @func: The function to be executed.
+ * @data: Data to pass to the function.
+ *
+ * Schedules the function @func for execution on the vCPU @cpu asynchronously.
+ */
+void async_run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data);
+
/**
* qemu_for_each_cpu:
* @func: The function to be executed.
#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);
+
+#define SSTEP_ENABLE 0x1 /* Enable simulated HW single stepping */
+#define SSTEP_NOIRQ 0x2 /* Do not use IRQ while single stepping */
+#define SSTEP_NOTIMER 0x4 /* Do not Timers while single stepping */
+
+/**
+ * cpu_single_step:
+ * @cpu: CPU to the flags for.
+ * @enabled: Flags to enable.
+ *
+ * Enables or disables single-stepping for @cpu.
+ */
+void cpu_single_step(CPUState *cpu, int enabled);
+
+#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
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