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Diffstat (limited to 'qemu/include/qom/cpu.h')
| -rw-r--r-- | qemu/include/qom/cpu.h | 836 |
1 files changed, 0 insertions, 836 deletions
diff --git a/qemu/include/qom/cpu.h b/qemu/include/qom/cpu.h deleted file mode 100644 index b7a10f791..000000000 --- a/qemu/include/qom/cpu.h +++ /dev/null @@ -1,836 +0,0 @@ -/* - * QEMU CPU model - * - * 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_CPU_H -#define QEMU_CPU_H - -#include "hw/qdev-core.h" -#include "disas/bfd.h" -#include "exec/hwaddr.h" -#include "exec/memattrs.h" -#include "qemu/queue.h" -#include "qemu/thread.h" - -typedef int (*WriteCoreDumpFunction)(const 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 - * @title: CPU Class - * @short_description: Base class for all CPUs - */ - -#define TYPE_CPU "cpu" - -/* Since this macro is used a lot in hot code paths and in conjunction with - * FooCPU *foo_env_get_cpu(), we deviate from usual QOM practice by using - * an unchecked cast. - */ -#define CPU(obj) ((CPUState *)(obj)) - -#define CPU_CLASS(class) OBJECT_CLASS_CHECK(CPUClass, (class), TYPE_CPU) -#define CPU_GET_CLASS(obj) OBJECT_GET_CLASS(CPUClass, (obj), TYPE_CPU) - -typedef struct CPUWatchpoint CPUWatchpoint; - -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. - * @parse_features: Callback to parse command line arguments. - * @reset: Callback to reset the #CPUState to its initial state. - * @reset_dump_flags: #CPUDumpFlags to use for reset logging. - * @has_work: Callback for checking if there is work to do. - * @do_interrupt: Callback for interrupt handling. - * @do_unassigned_access: Callback for unassigned access handling. - * @do_unaligned_access: Callback for unaligned access handling, if - * the target defines #ALIGNED_ONLY. - * @virtio_is_big_endian: Callback to return %true if a CPU which supports - * runtime configurable endianness is currently big-endian. Non-configurable - * CPUs can use the default implementation of this method. This method should - * not be used by any callers other than the pre-1.0 virtio devices. - * @memory_rw_debug: Callback for GDB memory access. - * @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. - * @handle_mmu_fault: Callback for handling an MMU fault. - * @get_phys_page_debug: Callback for obtaining a physical address. - * @get_phys_page_attrs_debug: Callback for obtaining a physical address and the - * associated memory transaction attributes to use for the access. - * CPUs which use memory transaction attributes should implement this - * instead of get_phys_page_debug. - * @asidx_from_attrs: Callback to return the CPU AddressSpace to use for - * a memory access with the specified memory transaction attributes. - * @gdb_read_register: Callback for letting GDB read a register. - * @gdb_write_register: Callback for letting GDB write a register. - * @debug_check_watchpoint: Callback: return true if the architectural - * watchpoint whose address has matched should really fire. - * @debug_excp_handler: Callback for handling debug exceptions. - * @write_elf64_note: Callback for writing a CPU-specific ELF note to a - * 64-bit VM coredump. - * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF - * note to a 32-bit VM coredump. - * @write_elf32_note: Callback for writing a CPU-specific ELF note to a - * 32-bit VM coredump. - * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF - * note to a 32-bit VM coredump. - * @vmsd: State description for migration. - * @gdb_num_core_regs: Number of core registers accessible to GDB. - * @gdb_core_xml_file: File name for core registers GDB XML description. - * @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop - * before the insn which triggers a watchpoint rather than after it. - * @gdb_arch_name: Optional callback that returns the architecture name known - * to GDB. The caller must free the returned string with g_free. - * @cpu_exec_enter: Callback for cpu_exec preparation. - * @cpu_exec_exit: Callback for cpu_exec cleanup. - * @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec. - * @disas_set_info: Setup architecture specific components of disassembly info - * - * Represents a CPU family or model. - */ -typedef struct CPUClass { - /*< private >*/ - DeviceClass parent_class; - /*< public >*/ - - ObjectClass *(*class_by_name)(const char *cpu_model); - void (*parse_features)(CPUState *cpu, char *str, Error **errp); - - void (*reset)(CPUState *cpu); - int reset_dump_flags; - bool (*has_work)(CPUState *cpu); - void (*do_interrupt)(CPUState *cpu); - CPUUnassignedAccess do_unassigned_access; - void (*do_unaligned_access)(CPUState *cpu, vaddr addr, - int is_write, int is_user, uintptr_t retaddr); - bool (*virtio_is_big_endian)(CPUState *cpu); - int (*memory_rw_debug)(CPUState *cpu, vaddr addr, - uint8_t *buf, int len, bool is_write); - 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); - int (*handle_mmu_fault)(CPUState *cpu, vaddr address, int rw, - int mmu_index); - hwaddr (*get_phys_page_debug)(CPUState *cpu, vaddr addr); - hwaddr (*get_phys_page_attrs_debug)(CPUState *cpu, vaddr addr, - MemTxAttrs *attrs); - int (*asidx_from_attrs)(CPUState *cpu, MemTxAttrs attrs); - int (*gdb_read_register)(CPUState *cpu, uint8_t *buf, int reg); - int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg); - bool (*debug_check_watchpoint)(CPUState *cpu, CPUWatchpoint *wp); - void (*debug_excp_handler)(CPUState *cpu); - - 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); - - const struct VMStateDescription *vmsd; - int gdb_num_core_regs; - const char *gdb_core_xml_file; - gchar * (*gdb_arch_name)(CPUState *cpu); - bool gdb_stop_before_watchpoint; - - void (*cpu_exec_enter)(CPUState *cpu); - void (*cpu_exec_exit)(CPUState *cpu); - bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request); - - void (*disas_set_info)(CPUState *cpu, disassemble_info *info); -} CPUClass; - -#ifdef HOST_WORDS_BIGENDIAN -typedef struct icount_decr_u16 { - uint16_t high; - uint16_t low; -} icount_decr_u16; -#else -typedef struct icount_decr_u16 { - uint16_t low; - uint16_t high; -} icount_decr_u16; -#endif - -typedef struct CPUBreakpoint { - vaddr pc; - int flags; /* BP_* */ - QTAILQ_ENTRY(CPUBreakpoint) entry; -} CPUBreakpoint; - -struct CPUWatchpoint { - vaddr vaddr; - vaddr len; - vaddr hitaddr; - MemTxAttrs hitattrs; - int flags; /* BP_* */ - QTAILQ_ENTRY(CPUWatchpoint) entry; -}; - -struct KVMState; -struct kvm_run; - -#define TB_JMP_CACHE_BITS 12 -#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS) - -/** - * CPUState: - * @cpu_index: CPU index (informative). - * @nr_cores: Number of cores within this CPU package. - * @nr_threads: Number of threads within this CPU. - * @numa_node: NUMA node this CPU is belonging to. - * @host_tid: Host thread ID. - * @running: #true if CPU is currently running (usermode). - * @created: Indicates whether the CPU thread has been successfully created. - * @interrupt_request: Indicates a pending interrupt request. - * @halted: Nonzero if the CPU is in suspended state. - * @stop: Indicates a pending stop request. - * @stopped: Indicates the CPU has been artificially stopped. - * @crash_occurred: Indicates the OS reported a crash (panic) for this CPU - * @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. - * @icount_extra: Instructions until next timer event. - * @icount_decr: Number of cycles left, with interrupt flag in high bit. - * This allows a single read-compare-cbranch-write sequence to test - * for both decrementer underflow and exceptions. - * @can_do_io: Nonzero if memory-mapped IO is safe. Deterministic execution - * requires that IO only be performed on the last instruction of a TB - * so that interrupts take effect immediately. - * @cpu_ases: Pointer to array of CPUAddressSpaces (which define the - * AddressSpaces this CPU has) - * @num_ases: number of CPUAddressSpaces in @cpu_ases - * @as: Pointer to the first AddressSpace, for the convenience of targets which - * only have a single AddressSpace - * @env_ptr: Pointer to subclass-specific CPUArchState field. - * @current_tb: Currently executing TB. - * @gdb_regs: Additional GDB registers. - * @gdb_num_regs: Number of total registers accessible to GDB. - * @gdb_num_g_regs: Number of registers in GDB 'g' packets. - * @next_cpu: Next CPU sharing TB cache. - * @opaque: User data. - * @mem_io_pc: Host Program Counter at which the memory was accessed. - * @mem_io_vaddr: Target virtual address at which the memory was accessed. - * @kvm_fd: vCPU file descriptor for KVM. - * @work_mutex: Lock to prevent multiple access to queued_work_*. - * @queued_work_first: First asynchronous work pending. - * - * State of one CPU core or thread. - */ -struct CPUState { - /*< private >*/ - DeviceState parent_obj; - /*< public >*/ - - int nr_cores; - int nr_threads; - int numa_node; - - struct QemuThread *thread; -#ifdef _WIN32 - HANDLE hThread; -#endif - int thread_id; - uint32_t host_tid; - bool running; - struct QemuCond *halt_cond; - bool thread_kicked; - bool created; - bool stop; - bool stopped; - bool crash_occurred; - bool exit_request; - uint32_t interrupt_request; - int singlestep_enabled; - int64_t icount_extra; - sigjmp_buf jmp_env; - - QemuMutex work_mutex; - struct qemu_work_item *queued_work_first, *queued_work_last; - - CPUAddressSpace *cpu_ases; - int num_ases; - AddressSpace *as; - MemoryRegion *memory; - - void *env_ptr; /* CPUArchState */ - struct TranslationBlock *current_tb; - struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; - struct GDBRegisterState *gdb_regs; - int gdb_num_regs; - int gdb_num_g_regs; - QTAILQ_ENTRY(CPUState) node; - - /* ice debug support */ - QTAILQ_HEAD(breakpoints_head, CPUBreakpoint) breakpoints; - - QTAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints; - CPUWatchpoint *watchpoint_hit; - - void *opaque; - - /* In order to avoid passing too many arguments to the MMIO helpers, - * we store some rarely used information in the CPU context. - */ - uintptr_t mem_io_pc; - vaddr mem_io_vaddr; - - int kvm_fd; - bool kvm_vcpu_dirty; - struct KVMState *kvm_state; - struct kvm_run *kvm_run; - - /* TODO Move common fields from CPUArchState here. */ - int cpu_index; /* used by alpha TCG */ - uint32_t halted; /* used by alpha, cris, ppc TCG */ - union { - uint32_t u32; - icount_decr_u16 u16; - } icount_decr; - uint32_t can_do_io; - int32_t exception_index; /* used by m68k TCG */ - - /* Used to keep track of an outstanding cpu throttle thread for migration - * autoconverge - */ - bool throttle_thread_scheduled; - - /* Note that this is accessed at the start of every TB via a negative - offset from AREG0. Leave this field at the end so as to make the - (absolute value) offset as small as possible. This reduces code - size, especially for hosts without large memory offsets. */ - uint32_t tcg_exit_req; -}; - -QTAILQ_HEAD(CPUTailQ, CPUState); -extern struct CPUTailQ cpus; -#define CPU_NEXT(cpu) QTAILQ_NEXT(cpu, node) -#define CPU_FOREACH(cpu) QTAILQ_FOREACH(cpu, &cpus, node) -#define CPU_FOREACH_SAFE(cpu, next_cpu) \ - QTAILQ_FOREACH_SAFE(cpu, &cpus, node, next_cpu) -#define CPU_FOREACH_REVERSE(cpu) \ - QTAILQ_FOREACH_REVERSE(cpu, &cpus, CPUTailQ, node) -#define first_cpu QTAILQ_FIRST(&cpus) - -extern __thread CPUState *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); - -#ifndef CONFIG_USER_ONLY -/** - * cpu_get_phys_page_attrs_debug: - * @cpu: The CPU to obtain the physical page address for. - * @addr: The virtual address. - * @attrs: Updated on return with the memory transaction attributes to use - * for this access. - * - * Obtains the physical page corresponding to a virtual one, together - * with the corresponding memory transaction attributes to use for the access. - * 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_attrs_debug(CPUState *cpu, vaddr addr, - MemTxAttrs *attrs) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->get_phys_page_attrs_debug) { - return cc->get_phys_page_attrs_debug(cpu, addr, attrs); - } - /* Fallback for CPUs which don't implement the _attrs_ hook */ - *attrs = MEMTXATTRS_UNSPECIFIED; - return cc->get_phys_page_debug(cpu, addr); -} - -/** - * 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) -{ - MemTxAttrs attrs = {}; - - return cpu_get_phys_page_attrs_debug(cpu, addr, &attrs); -} - -/** cpu_asidx_from_attrs: - * @cpu: CPU - * @attrs: memory transaction attributes - * - * Returns the address space index specifying the CPU AddressSpace - * to use for a memory access with the given transaction attributes. - */ -static inline int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->asidx_from_attrs) { - return cc->asidx_from_attrs(cpu, attrs); - } - return 0; -} -#endif - -/** - * cpu_reset: - * @cpu: The CPU whose state is to be reset. - */ -void cpu_reset(CPUState *cpu); - -/** - * cpu_class_by_name: - * @typename: The CPU base type. - * @cpu_model: The model string without any parameters. - * - * Looks up a CPU #ObjectClass matching name @cpu_model. - * - * Returns: A #CPUClass or %NULL if not matching class is found. - */ -ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model); - -/** - * cpu_generic_init: - * @typename: The CPU base type. - * @cpu_model: The model string including optional parameters. - * - * Instantiates a CPU, processes optional parameters and realizes the CPU. - * - * Returns: A #CPUState or %NULL if an error occurred. - */ -CPUState *cpu_generic_init(const char *typename, const char *cpu_model); - -/** - * cpu_has_work: - * @cpu: The vCPU to check. - * - * Checks whether the CPU has work to do. - * - * Returns: %true if the CPU has work, %false otherwise. - */ -static inline bool cpu_has_work(CPUState *cpu) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - - g_assert(cc->has_work); - return cc->has_work(cpu); -} - -/** - * qemu_cpu_is_self: - * @cpu: The vCPU to check against. - * - * Checks whether the caller is executing on the vCPU thread. - * - * Returns: %true if called from @cpu's thread, %false otherwise. - */ -bool qemu_cpu_is_self(CPUState *cpu); - -/** - * qemu_cpu_kick: - * @cpu: The vCPU to kick. - * - * Kicks @cpu's thread. - */ -void qemu_cpu_kick(CPUState *cpu); - -/** - * cpu_is_stopped: - * @cpu: The CPU to check. - * - * Checks whether the CPU is stopped. - * - * Returns: %true if run state is not running or if artificially stopped; - * %false otherwise. - */ -bool cpu_is_stopped(CPUState *cpu); - -/** - * 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. - */ -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_get_cpu: - * @index: The CPUState@cpu_index value of the CPU to obtain. - * - * Gets a CPU matching @index. - * - * Returns: The CPU or %NULL if there is no matching CPU. - */ -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); - -/** - * cpu_throttle_set: - * @new_throttle_pct: Percent of sleep time. Valid range is 1 to 99. - * - * Throttles all vcpus by forcing them to sleep for the given percentage of - * time. A throttle_percentage of 25 corresponds to a 75% duty cycle roughly. - * (example: 10ms sleep for every 30ms awake). - * - * cpu_throttle_set can be called as needed to adjust new_throttle_pct. - * Once the throttling starts, it will remain in effect until cpu_throttle_stop - * is called. - */ -void cpu_throttle_set(int new_throttle_pct); - -/** - * cpu_throttle_stop: - * - * Stops the vcpu throttling started by cpu_throttle_set. - */ -void cpu_throttle_stop(void); - -/** - * cpu_throttle_active: - * - * Returns: %true if the vcpus are currently being throttled, %false otherwise. - */ -bool cpu_throttle_active(void); - -/** - * cpu_throttle_get_percentage: - * - * Returns the vcpu throttle percentage. See cpu_throttle_set for details. - * - * Returns: The throttle percentage in range 1 to 99. - */ -int cpu_throttle_get_percentage(void); - -#ifndef CONFIG_USER_ONLY - -typedef void (*CPUInterruptHandler)(CPUState *, int); - -extern CPUInterruptHandler cpu_interrupt_handler; - -/** - * cpu_interrupt: - * @cpu: The CPU to set an interrupt on. - * @mask: The interupts to set. - * - * Invokes the interrupt handler. - */ -static inline void cpu_interrupt(CPUState *cpu, int mask) -{ - cpu_interrupt_handler(cpu, mask); -} - -#else /* USER_ONLY */ - -void cpu_interrupt(CPUState *cpu, int mask); - -#endif /* USER_ONLY */ - -#ifdef CONFIG_SOFTMMU -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); - } -} - -static inline void cpu_unaligned_access(CPUState *cpu, vaddr addr, - int is_write, int is_user, - uintptr_t retaddr) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - - cc->do_unaligned_access(cpu, addr, is_write, is_user, retaddr); -} -#endif - -/** - * cpu_set_pc: - * @cpu: The CPU to set the program counter for. - * @addr: Program counter value. - * - * Sets the program counter for a CPU. - */ -static inline void cpu_set_pc(CPUState *cpu, vaddr addr) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); - - cc->set_pc(cpu, addr); -} - -/** - * cpu_reset_interrupt: - * @cpu: The CPU to clear the interrupt on. - * @mask: The interrupt mask to clear. - * - * Resets interrupts on the vCPU @cpu. - */ -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. - * - * Resumes CPU, i.e. puts CPU into runnable state. - */ -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); - -/* Breakpoint/watchpoint flags */ -#define BP_MEM_READ 0x01 -#define BP_MEM_WRITE 0x02 -#define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE) -#define BP_STOP_BEFORE_ACCESS 0x04 -/* 0x08 currently unused */ -#define BP_GDB 0x10 -#define BP_CPU 0x20 -#define BP_ANY (BP_GDB | BP_CPU) -#define BP_WATCHPOINT_HIT_READ 0x40 -#define BP_WATCHPOINT_HIT_WRITE 0x80 -#define BP_WATCHPOINT_HIT (BP_WATCHPOINT_HIT_READ | BP_WATCHPOINT_HIT_WRITE) - -int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, - CPUBreakpoint **breakpoint); -int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags); -void cpu_breakpoint_remove_by_ref(CPUState *cpu, CPUBreakpoint *breakpoint); -void cpu_breakpoint_remove_all(CPUState *cpu, int mask); - -/* Return true if PC matches an installed breakpoint. */ -static inline bool cpu_breakpoint_test(CPUState *cpu, vaddr pc, int mask) -{ - CPUBreakpoint *bp; - - if (unlikely(!QTAILQ_EMPTY(&cpu->breakpoints))) { - QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { - if (bp->pc == pc && (bp->flags & mask)) { - return true; - } - } - } - return false; -} - -int cpu_watchpoint_insert(CPUState *cpu, vaddr addr, vaddr len, - int flags, CPUWatchpoint **watchpoint); -int cpu_watchpoint_remove(CPUState *cpu, vaddr addr, - vaddr len, int flags); -void cpu_watchpoint_remove_by_ref(CPUState *cpu, CPUWatchpoint *watchpoint); -void cpu_watchpoint_remove_all(CPUState *cpu, int mask); - -void QEMU_NORETURN cpu_abort(CPUState *cpu, const char *fmt, ...) - GCC_FMT_ATTR(2, 3); -void cpu_exec_exit(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 |