From ca05578fc80f4253ed19f4c4128a4cbd5b83f0b5 Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Thu, 23 Jan 2025 19:56:20 +0100 Subject: cpus: Register VMState per user / system emulation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Simplify cpu-target.c by extracting mixed vmstate code into the cpu_vmstate_register() / cpu_vmstate_unregister() helpers, implemented in cpu-user.c and cpu-system.c. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20250123234415.59850-20-philmd@linaro.org> --- hw/core/cpu-system.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) (limited to 'hw/core/cpu-system.c') diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index e511507e13..6c89d76e49 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -21,11 +21,15 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "exec/address-spaces.h" +#include "exec/cputlb.h" #include "exec/memory.h" +#include "exec/tb-flush.h" #include "exec/tswap.h" #include "hw/qdev-core.h" #include "hw/qdev-properties.h" #include "hw/core/sysemu-cpu-ops.h" +#include "migration/vmstate.h" +#include "system/tcg.h" bool cpu_paging_enabled(const CPUState *cpu) { @@ -194,3 +198,114 @@ void cpu_exec_initfn(CPUState *cpu) cpu->memory = get_system_memory(); object_ref(OBJECT(cpu->memory)); } + +static int cpu_common_post_load(void *opaque, int version_id) +{ + if (tcg_enabled()) { + CPUState *cpu = opaque; + + /* + * 0x01 was CPU_INTERRUPT_EXIT. This line can be removed when the + * version_id is increased. + */ + cpu->interrupt_request &= ~0x01; + + tlb_flush(cpu); + + /* + * loadvm has just updated the content of RAM, bypassing the + * usual mechanisms that ensure we flush TBs for writes to + * memory we've translated code from. So we must flush all TBs, + * which will now be stale. + */ + tb_flush(cpu); + } + + return 0; +} + +static int cpu_common_pre_load(void *opaque) +{ + CPUState *cpu = opaque; + + cpu->exception_index = -1; + + return 0; +} + +static bool cpu_common_exception_index_needed(void *opaque) +{ + CPUState *cpu = opaque; + + return tcg_enabled() && cpu->exception_index != -1; +} + +static const VMStateDescription vmstate_cpu_common_exception_index = { + .name = "cpu_common/exception_index", + .version_id = 1, + .minimum_version_id = 1, + .needed = cpu_common_exception_index_needed, + .fields = (const VMStateField[]) { + VMSTATE_INT32(exception_index, CPUState), + VMSTATE_END_OF_LIST() + } +}; + +static bool cpu_common_crash_occurred_needed(void *opaque) +{ + CPUState *cpu = opaque; + + return cpu->crash_occurred; +} + +static const VMStateDescription vmstate_cpu_common_crash_occurred = { + .name = "cpu_common/crash_occurred", + .version_id = 1, + .minimum_version_id = 1, + .needed = cpu_common_crash_occurred_needed, + .fields = (const VMStateField[]) { + VMSTATE_BOOL(crash_occurred, CPUState), + VMSTATE_END_OF_LIST() + } +}; + +const VMStateDescription vmstate_cpu_common = { + .name = "cpu_common", + .version_id = 1, + .minimum_version_id = 1, + .pre_load = cpu_common_pre_load, + .post_load = cpu_common_post_load, + .fields = (const VMStateField[]) { + VMSTATE_UINT32(halted, CPUState), + VMSTATE_UINT32(interrupt_request, CPUState), + VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription * const []) { + &vmstate_cpu_common_exception_index, + &vmstate_cpu_common_crash_occurred, + NULL + } +}; + +void cpu_vmstate_register(CPUState *cpu) +{ + if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { + vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu); + } + if (cpu->cc->sysemu_ops->legacy_vmsd != NULL) { + vmstate_register(NULL, cpu->cpu_index, + cpu->cc->sysemu_ops->legacy_vmsd, cpu); + } +} + +void cpu_vmstate_unregister(CPUState *cpu) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + + if (cc->sysemu_ops->legacy_vmsd != NULL) { + vmstate_unregister(NULL, cc->sysemu_ops->legacy_vmsd, cpu); + } + if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { + vmstate_unregister(NULL, &vmstate_cpu_common, cpu); + } +} -- cgit 1.4.1 From 30e76638eb35ffe88e95cca2b5af952c14dc336d Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Tue, 21 Jan 2025 12:12:35 +0100 Subject: cpus: Prefer cached CpuClass over CPU_GET_CLASS() macro MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CpuState caches its CPUClass since commit 6fbdff87062 ("cpu: cache CPUClass in CPUState for hot code paths"), use it. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20250122093028.52416-5-philmd@linaro.org> --- cpu-common.c | 10 ++++----- hw/core/cpu-common.c | 13 ++++------- hw/core/cpu-system.c | 61 +++++++++++++++++++-------------------------------- include/hw/core/cpu.h | 10 +++------ 4 files changed, 33 insertions(+), 61 deletions(-) (limited to 'hw/core/cpu-system.c') diff --git a/cpu-common.c b/cpu-common.c index f5dcc2d136..ef5757d23b 100644 --- a/cpu-common.c +++ b/cpu-common.c @@ -388,11 +388,10 @@ void process_queued_cpu_work(CPUState *cpu) int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, CPUBreakpoint **breakpoint) { - CPUClass *cc = CPU_GET_CLASS(cpu); CPUBreakpoint *bp; - if (cc->gdb_adjust_breakpoint) { - pc = cc->gdb_adjust_breakpoint(cpu, pc); + if (cpu->cc->gdb_adjust_breakpoint) { + pc = cpu->cc->gdb_adjust_breakpoint(cpu, pc); } bp = g_malloc(sizeof(*bp)); @@ -418,11 +417,10 @@ int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags, /* Remove a specific breakpoint. */ int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags) { - CPUClass *cc = CPU_GET_CLASS(cpu); CPUBreakpoint *bp; - if (cc->gdb_adjust_breakpoint) { - pc = cc->gdb_adjust_breakpoint(cpu, pc); + if (cpu->cc->gdb_adjust_breakpoint) { + pc = cpu->cc->gdb_adjust_breakpoint(cpu, pc); } QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index 5671d8d4f5..ba0f02e49d 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -40,9 +40,7 @@ CPUState *cpu_by_arch_id(int64_t id) CPUState *cpu; CPU_FOREACH(cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->get_arch_id(cpu) == id) { + if (cpu->cc->get_arch_id(cpu) == id) { return cpu; } } @@ -101,11 +99,9 @@ static int cpu_common_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg) void cpu_dump_state(CPUState *cpu, FILE *f, int flags) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->dump_state) { + if (cpu->cc->dump_state) { cpu_synchronize_state(cpu); - cc->dump_state(cpu, f, flags); + cpu->cc->dump_state(cpu, f, flags); } } @@ -119,11 +115,10 @@ void cpu_reset(CPUState *cpu) static void cpu_common_reset_hold(Object *obj, ResetType type) { CPUState *cpu = CPU(obj); - CPUClass *cc = CPU_GET_CLASS(cpu); if (qemu_loglevel_mask(CPU_LOG_RESET)) { qemu_log("CPU Reset (CPU %d)\n", cpu->cpu_index); - log_cpu_state(cpu, cc->reset_dump_flags); + log_cpu_state(cpu, cpu->cc->reset_dump_flags); } cpu->interrupt_request = 0; diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index 6c89d76e49..e29664d39b 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -33,10 +33,8 @@ bool cpu_paging_enabled(const CPUState *cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->sysemu_ops->get_paging_enabled) { - return cc->sysemu_ops->get_paging_enabled(cpu); + if (cpu->cc->sysemu_ops->get_paging_enabled) { + return cpu->cc->sysemu_ops->get_paging_enabled(cpu); } return false; @@ -45,10 +43,8 @@ bool cpu_paging_enabled(const CPUState *cpu) bool cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, Error **errp) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->sysemu_ops->get_memory_mapping) { - return cc->sysemu_ops->get_memory_mapping(cpu, list, errp); + if (cpu->cc->sysemu_ops->get_memory_mapping) { + return cpu->cc->sysemu_ops->get_memory_mapping(cpu, list, errp); } error_setg(errp, "Obtaining memory mappings is unsupported on this CPU."); @@ -58,15 +54,15 @@ bool cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, hwaddr cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr, MemTxAttrs *attrs) { - CPUClass *cc = CPU_GET_CLASS(cpu); hwaddr paddr; - if (cc->sysemu_ops->get_phys_page_attrs_debug) { - paddr = cc->sysemu_ops->get_phys_page_attrs_debug(cpu, addr, attrs); + if (cpu->cc->sysemu_ops->get_phys_page_attrs_debug) { + paddr = cpu->cc->sysemu_ops->get_phys_page_attrs_debug(cpu, addr, + attrs); } else { /* Fallback for CPUs which don't implement the _attrs_ hook */ *attrs = MEMTXATTRS_UNSPECIFIED; - paddr = cc->sysemu_ops->get_phys_page_debug(cpu, addr); + paddr = cpu->cc->sysemu_ops->get_phys_page_debug(cpu, addr); } /* Indicate that this is a debug access. */ attrs->debug = 1; @@ -94,64 +90,53 @@ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs) int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, void *opaque) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (!cc->sysemu_ops->write_elf32_qemunote) { + if (!cpu->cc->sysemu_ops->write_elf32_qemunote) { return 0; } - return (*cc->sysemu_ops->write_elf32_qemunote)(f, cpu, opaque); + return (*cpu->cc->sysemu_ops->write_elf32_qemunote)(f, cpu, opaque); } int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (!cc->sysemu_ops->write_elf32_note) { + if (!cpu->cc->sysemu_ops->write_elf32_note) { return -1; } - return (*cc->sysemu_ops->write_elf32_note)(f, cpu, cpuid, opaque); + return (*cpu->cc->sysemu_ops->write_elf32_note)(f, cpu, cpuid, opaque); } int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, void *opaque) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (!cc->sysemu_ops->write_elf64_qemunote) { + if (!cpu->cc->sysemu_ops->write_elf64_qemunote) { return 0; } - return (*cc->sysemu_ops->write_elf64_qemunote)(f, cpu, opaque); + return (*cpu->cc->sysemu_ops->write_elf64_qemunote)(f, cpu, opaque); } int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (!cc->sysemu_ops->write_elf64_note) { + if (!cpu->cc->sysemu_ops->write_elf64_note) { return -1; } - return (*cc->sysemu_ops->write_elf64_note)(f, cpu, cpuid, opaque); + return (*cpu->cc->sysemu_ops->write_elf64_note)(f, cpu, cpuid, opaque); } bool cpu_virtio_is_big_endian(CPUState *cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->sysemu_ops->virtio_is_big_endian) { - return cc->sysemu_ops->virtio_is_big_endian(cpu); + if (cpu->cc->sysemu_ops->virtio_is_big_endian) { + return cpu->cc->sysemu_ops->virtio_is_big_endian(cpu); } return target_words_bigendian(); } GuestPanicInformation *cpu_get_crash_info(CPUState *cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); GuestPanicInformation *res = NULL; - if (cc->sysemu_ops->get_crash_info) { - res = cc->sysemu_ops->get_crash_info(cpu); + if (cpu->cc->sysemu_ops->get_crash_info) { + res = cpu->cc->sysemu_ops->get_crash_info(cpu); } return res; } @@ -300,10 +285,8 @@ void cpu_vmstate_register(CPUState *cpu) void cpu_vmstate_unregister(CPUState *cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - if (cc->sysemu_ops->legacy_vmsd != NULL) { - vmstate_unregister(NULL, cc->sysemu_ops->legacy_vmsd, cpu); + if (cpu->cc->sysemu_ops->legacy_vmsd != NULL) { + vmstate_unregister(NULL, cpu->cc->sysemu_ops->legacy_vmsd, cpu); } if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { vmstate_unregister(NULL, &vmstate_cpu_common, cpu); diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index bc0c946834..c6df426c94 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -826,10 +826,8 @@ const char *parse_cpu_option(const char *cpu_option); */ static inline bool cpu_has_work(CPUState *cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - g_assert(cc->has_work); - return cc->has_work(cpu); + g_assert(cpu->cc->has_work); + return cpu->cc->has_work(cpu); } /** @@ -968,9 +966,7 @@ void cpu_interrupt(CPUState *cpu, int mask); */ static inline void cpu_set_pc(CPUState *cpu, vaddr addr) { - CPUClass *cc = CPU_GET_CLASS(cpu); - - cc->set_pc(cpu, addr); + cpu->cc->set_pc(cpu, addr); } /** -- cgit 1.4.1 From 8f8dbe04bdafdbe265e9ae25737bb18daacc6ca6 Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Tue, 21 Jan 2025 12:56:10 +0100 Subject: cpus: Un-inline cpu_has_work() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In order to expand cpu_has_work(), un-inline it. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20250125170125.32855-3-philmd@linaro.org> --- hw/core/cpu-system.c | 6 ++++++ include/hw/core/cpu.h | 6 +----- 2 files changed, 7 insertions(+), 5 deletions(-) (limited to 'hw/core/cpu-system.c') diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index e29664d39b..c10e3c9ba6 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -31,6 +31,12 @@ #include "migration/vmstate.h" #include "system/tcg.h" +bool cpu_has_work(CPUState *cpu) +{ + g_assert(cpu->cc->has_work); + return cpu->cc->has_work(cpu); +} + bool cpu_paging_enabled(const CPUState *cpu) { if (cpu->cc->sysemu_ops->get_paging_enabled) { diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 2d4ebb7990..a54dd2cf69 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -758,11 +758,7 @@ bool cpu_virtio_is_big_endian(CPUState *cpu); * * Returns: %true if the CPU has work, %false otherwise. */ -static inline bool cpu_has_work(CPUState *cpu) -{ - g_assert(cpu->cc->has_work); - return cpu->cc->has_work(cpu); -} +bool cpu_has_work(CPUState *cpu); #endif /* CONFIG_USER_ONLY */ -- cgit 1.4.1 From 72eacd623170dd680557ece6957575c30774cdef Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Tue, 21 Jan 2025 12:57:16 +0100 Subject: cpus: Introduce SysemuCPUOps::has_work() handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit SysemuCPUOps::has_work() is similar to CPUClass::has_work(), but only exposed on system emulation. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20250125170125.32855-4-philmd@linaro.org> --- hw/core/cpu-system.c | 4 ++++ include/accel/tcg/cpu-ops.h | 2 +- include/hw/core/sysemu-cpu-ops.h | 4 ++++ 3 files changed, 9 insertions(+), 1 deletion(-) (limited to 'hw/core/cpu-system.c') diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index c10e3c9ba6..601335fd76 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -33,6 +33,10 @@ bool cpu_has_work(CPUState *cpu) { + if (cpu->cc->sysemu_ops->has_work) { + return cpu->cc->sysemu_ops->has_work(cpu); + } + g_assert(cpu->cc->has_work); return cpu->cc->has_work(cpu); } diff --git a/include/accel/tcg/cpu-ops.h b/include/accel/tcg/cpu-ops.h index 2e3f1690f1..f60e5303f2 100644 --- a/include/accel/tcg/cpu-ops.h +++ b/include/accel/tcg/cpu-ops.h @@ -141,7 +141,7 @@ struct TCGCPUOps { * * This method must be provided. If the target does not need to * do anything special for halt, the same function used for its - * CPUClass::has_work method can be used here, as they have the + * SysemuCPUOps::has_work method can be used here, as they have the * same function signature. */ bool (*cpu_exec_halt)(CPUState *cpu); diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h index 0df5b058f5..dee8a62ca9 100644 --- a/include/hw/core/sysemu-cpu-ops.h +++ b/include/hw/core/sysemu-cpu-ops.h @@ -16,6 +16,10 @@ * struct SysemuCPUOps: System operations specific to a CPU class */ typedef struct SysemuCPUOps { + /** + * @has_work: Callback for checking if there is work to do. + */ + bool (*has_work)(CPUState *cpu); /** * @get_memory_mapping: Callback for obtaining the memory mappings. */ -- cgit 1.4.1 From d0a4ccae953b7482a682b9b9f8619804059ecc89 Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Sun, 26 Jan 2025 08:17:59 +0100 Subject: cpus: Remove CPUClass::has_work() handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit All handlers have been converted to SysemuCPUOps::has_work(). Remove CPUClass::has_work along with cpu_common_has_work() and simplify cpu_has_work(), making SysemuCPUOps::has_work handler mandatory. Note, since cpu-common.c is in meson's common_ss[] source set, we must define cpu_exec_class_post_init() in cpu-target.c (which is in the specific_ss[] source set) to have CONFIG_USER_ONLY defined. Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20250125170125.32855-25-philmd@linaro.org> --- hw/core/cpu-common.c | 8 ++------ hw/core/cpu-system.c | 13 +++++++------ hw/core/cpu-user.c | 5 +++++ include/hw/core/cpu.h | 3 +-- include/hw/core/sysemu-cpu-ops.h | 2 +- 5 files changed, 16 insertions(+), 15 deletions(-) (limited to 'hw/core/cpu-system.c') diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index ba0f02e49d..9064dd24f8 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -134,11 +134,6 @@ static void cpu_common_reset_hold(Object *obj, ResetType type) cpu_exec_reset_hold(cpu); } -static bool cpu_common_has_work(CPUState *cs) -{ - return false; -} - ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model) { ObjectClass *oc; @@ -259,6 +254,8 @@ static void cpu_common_initfn(Object *obj) { CPUState *cpu = CPU(obj); + cpu_exec_class_post_init(CPU_GET_CLASS(obj)); + /* cache the cpu class for the hotpath */ cpu->cc = CPU_GET_CLASS(cpu); @@ -331,7 +328,6 @@ static void cpu_common_class_init(ObjectClass *klass, void *data) k->parse_features = cpu_common_parse_features; k->get_arch_id = cpu_common_get_arch_id; - k->has_work = cpu_common_has_work; k->gdb_read_register = cpu_common_gdb_read_register; k->gdb_write_register = cpu_common_gdb_write_register; set_bit(DEVICE_CATEGORY_CPU, dc->categories); diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index 601335fd76..aed5076ec7 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -33,12 +33,7 @@ bool cpu_has_work(CPUState *cpu) { - if (cpu->cc->sysemu_ops->has_work) { - return cpu->cc->sysemu_ops->has_work(cpu); - } - - g_assert(cpu->cc->has_work); - return cpu->cc->has_work(cpu); + return cpu->cc->sysemu_ops->has_work(cpu); } bool cpu_paging_enabled(const CPUState *cpu) @@ -188,6 +183,12 @@ void cpu_class_init_props(DeviceClass *dc) device_class_set_props(dc, cpu_system_props); } +void cpu_exec_class_post_init(CPUClass *cc) +{ + /* Check mandatory SysemuCPUOps handlers */ + g_assert(cc->sysemu_ops->has_work); +} + void cpu_exec_initfn(CPUState *cpu) { cpu->memory = get_system_memory(); diff --git a/hw/core/cpu-user.c b/hw/core/cpu-user.c index 1892acdee0..7176791851 100644 --- a/hw/core/cpu-user.c +++ b/hw/core/cpu-user.c @@ -27,6 +27,11 @@ void cpu_class_init_props(DeviceClass *dc) device_class_set_props(dc, cpu_user_props); } +void cpu_exec_class_post_init(CPUClass *cc) +{ + /* nothing to do */ +} + void cpu_exec_initfn(CPUState *cpu) { /* nothing to do */ diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index a54dd2cf69..5d11d26556 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -104,7 +104,6 @@ struct SysemuCPUOps; * instantiatable CPU type. * @parse_features: Callback to parse command line arguments. * @reset_dump_flags: #CPUDumpFlags to use for reset logging. - * @has_work: Callback for checking if there is work to do. * @mmu_index: Callback for choosing softmmu mmu index; * may be used internally by memory_rw_debug without TCG. * @memory_rw_debug: Callback for GDB memory access. @@ -153,7 +152,6 @@ struct CPUClass { ObjectClass *(*class_by_name)(const char *cpu_model); void (*parse_features)(const char *typename, char *str, Error **errp); - bool (*has_work)(CPUState *cpu); int (*mmu_index)(CPUState *cpu, bool ifetch); int (*memory_rw_debug)(CPUState *cpu, vaddr addr, uint8_t *buf, int len, bool is_write); @@ -1156,6 +1154,7 @@ G_NORETURN void cpu_abort(CPUState *cpu, const char *fmt, ...) /* $(top_srcdir)/cpu.c */ void cpu_class_init_props(DeviceClass *dc); +void cpu_exec_class_post_init(CPUClass *cc); void cpu_exec_initfn(CPUState *cpu); void cpu_vmstate_register(CPUState *cpu); void cpu_vmstate_unregister(CPUState *cpu); diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h index dee8a62ca9..877892373f 100644 --- a/include/hw/core/sysemu-cpu-ops.h +++ b/include/hw/core/sysemu-cpu-ops.h @@ -19,7 +19,7 @@ typedef struct SysemuCPUOps { /** * @has_work: Callback for checking if there is work to do. */ - bool (*has_work)(CPUState *cpu); + bool (*has_work)(CPUState *cpu); /* MANDATORY NON-NULL */ /** * @get_memory_mapping: Callback for obtaining the memory mappings. */ -- cgit 1.4.1