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[PATCH v5 04/50] multi-process: Add stub functions to facilate build of
From: |
Jagannathan Raman |
Subject: |
[PATCH v5 04/50] multi-process: Add stub functions to facilate build of multi-process |
Date: |
Mon, 24 Feb 2020 15:54:55 -0500 |
Add stub functions that are needed during compile time but not in
runtime.
Signed-off-by: John G Johnson <address@hidden>
Signed-off-by: Jagannathan Raman <address@hidden>
Signed-off-by: Elena Ufimtseva <address@hidden>
---
accel/stubs/kvm-stub.c | 5 +++
accel/stubs/tcg-stub.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++
stubs/audio.c | 12 ++++++
stubs/machine-init-done.c | 4 ++
stubs/monitor.c | 41 ++++++++++++++++++++
stubs/net-stub.c | 31 +++++++++++++++
stubs/replay.c | 14 +++++++
stubs/vl-stub.c | 79 ++++++++++++++++++++++++++++++++++++++
stubs/vmstate.c | 19 ++++++++++
stubs/xen-mapcache.c | 22 +++++++++++
10 files changed, 324 insertions(+)
create mode 100644 stubs/audio.c
create mode 100644 stubs/net-stub.c
create mode 100644 stubs/vl-stub.c
create mode 100644 stubs/xen-mapcache.c
diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c
index 82f118d..baa6b38 100644
--- a/accel/stubs/kvm-stub.c
+++ b/accel/stubs/kvm-stub.c
@@ -31,6 +31,7 @@ bool kvm_allowed;
bool kvm_readonly_mem_allowed;
bool kvm_ioeventfd_any_length_allowed;
bool kvm_msi_use_devid;
+bool kvm_halt_in_kernel_allowed;
int kvm_destroy_vcpu(CPUState *cpu)
{
@@ -58,6 +59,10 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
{
}
+void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu)
+{
+}
+
int kvm_cpu_exec(CPUState *cpu)
{
abort();
diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c
index 677191a..9b55fb0 100644
--- a/accel/stubs/tcg-stub.c
+++ b/accel/stubs/tcg-stub.c
@@ -11,14 +11,111 @@
*/
#include "qemu/osdep.h"
+#include "qemu-common.h"
#include "cpu.h"
#include "tcg/tcg.h"
#include "exec/exec-all.h"
+#include "translate-all.h"
+#include "exec/ram_addr.h"
+
+bool parallel_cpus;
void tb_flush(CPUState *cpu)
{
}
+void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr)
+{
+}
+
+void tb_invalidate_phys_range(ram_addr_t start, ram_addr_t end)
+{
+}
+
+void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end)
+{
+}
+
+void tb_invalidate_phys_page_fast(struct page_collection *pages,
+ tb_page_addr_t start, int len,
+ uintptr_t retaddr)
+{
+}
+
+void tlb_init(CPUState *cpu)
+{
+}
+
void tlb_set_dirty(CPUState *cpu, target_ulong vaddr)
{
}
+
+void tlb_flush(CPUState *cpu)
+{
+}
+
+void tlb_flush_page(CPUState *cpu, target_ulong addr)
+{
+}
+
+void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length)
+{
+}
+
+void tcg_region_init(void)
+{
+}
+
+void tcg_register_thread(void)
+{
+}
+
+void tcg_flush_softmmu_tlb(CPUState *cs)
+{
+}
+
+void cpu_loop_exit_noexc(CPUState *cpu)
+{
+ cpu->exception_index = -1;
+ cpu_loop_exit(cpu);
+}
+
+void cpu_loop_exit(CPUState *cpu)
+{
+ cpu->can_do_io = 1;
+ siglongjmp(cpu->jmp_env, 1);
+}
+
+void cpu_reloading_memory_map(void)
+{
+}
+
+int cpu_exec(CPUState *cpu)
+{
+ return 0;
+}
+
+void cpu_exec_step_atomic(CPUState *cpu)
+{
+}
+
+bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit)
+{
+ return false;
+}
+
+void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc)
+{
+ while (1) {
+ }
+}
+
+struct page_collection *
+page_collection_lock(tb_page_addr_t start, tb_page_addr_t end)
+{
+ return NULL;
+}
+
+void page_collection_unlock(struct page_collection *set)
+{
+}
diff --git a/stubs/audio.c b/stubs/audio.c
new file mode 100644
index 0000000..8ae3b0f
--- /dev/null
+++ b/stubs/audio.c
@@ -0,0 +1,12 @@
+#include "qemu/osdep.h"
+#include "audio/audio.h"
+
+AudioState *audio_state_by_name(const char *name)
+{
+ return NULL;
+}
+
+const char *audio_get_id(QEMUSoundCard *card)
+{
+ return NULL;
+}
diff --git a/stubs/machine-init-done.c b/stubs/machine-init-done.c
index cd8e813..3deabc9 100644
--- a/stubs/machine-init-done.c
+++ b/stubs/machine-init-done.c
@@ -6,3 +6,7 @@ bool machine_init_done = true;
void qemu_add_machine_init_done_notifier(Notifier *notify)
{
}
+
+void qemu_remove_machine_init_done_notifier(Notifier *notify)
+{
+}
diff --git a/stubs/monitor.c b/stubs/monitor.c
index c3e9a2e..a34dc87 100644
--- a/stubs/monitor.c
+++ b/stubs/monitor.c
@@ -2,9 +2,19 @@
#include "qapi/error.h"
#include "qapi/qapi-emit-events.h"
#include "monitor/monitor.h"
+#include "qapi/qapi-types-misc.h"
+#include "qapi/qapi-commands-misc.h"
+#include "qapi/qapi-types-qom.h"
+#include "qapi/qapi-commands-qdev.h"
+#include "hw/qdev-core.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/runstate.h"
+#include "monitor/hmp.h"
__thread Monitor *cur_mon;
+#pragma weak hmp_handle_error
+
int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
{
abort();
@@ -27,3 +37,34 @@ void monitor_init_hmp(Chardev *chr, bool use_readline)
void qapi_event_emit(QAPIEvent event, QDict *qdict)
{
}
+
+int monitor_get_cpu_index(void)
+{
+ return -ENOSYS;
+}
+int monitor_printf(Monitor *mon, const char *fmt, ...)
+{
+ return -ENOSYS;
+}
+
+bool monitor_cur_is_qmp(void)
+{
+ return false;
+}
+
+ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
+ Error **errp)
+{
+ return NULL;
+}
+
+VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev,
+ VMChangeStateHandler *cb,
+ void *opaque)
+{
+ return NULL;
+}
+
+void hmp_handle_error(Monitor *mon, Error *err)
+{
+}
diff --git a/stubs/net-stub.c b/stubs/net-stub.c
new file mode 100644
index 0000000..cb2274b
--- /dev/null
+++ b/stubs/net-stub.c
@@ -0,0 +1,31 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "net/net.h"
+
+int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
+ NetClientDriver type, int max)
+{
+ return -ENOSYS;
+}
+
+NetClientState *net_hub_port_find(int hub_id)
+{
+ return NULL;
+}
+
+int net_hub_id_for_client(NetClientState *nc, int *id)
+{
+ return -ENOSYS;
+}
+
+int qemu_show_nic_models(const char *arg, const char *const *models)
+{
+ return -ENOSYS;
+}
+
+int qemu_find_nic_model(NICInfo *nd, const char * const *models,
+ const char *default_model)
+{
+ return -ENOSYS;
+}
+
diff --git a/stubs/replay.c b/stubs/replay.c
index 5974ec1..2e3feee 100644
--- a/stubs/replay.c
+++ b/stubs/replay.c
@@ -88,3 +88,17 @@ int replay_read_random(void *buf, size_t len)
{
return 0;
}
+
+bool replay_has_checkpoint(void)
+{
+ return false;
+}
+
+int replay_get_instructions(void)
+{
+ return 0;
+}
+
+void replay_account_executed_instructions(void)
+{
+}
diff --git a/stubs/vl-stub.c b/stubs/vl-stub.c
new file mode 100644
index 0000000..fff72be
--- /dev/null
+++ b/stubs/vl-stub.c
@@ -0,0 +1,79 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/uuid.h"
+#include "sysemu/sysemu.h"
+#include "exec/cpu-common.h"
+#include "exec/gdbstub.h"
+#include "sysemu/replay.h"
+#include "disas/disas.h"
+#include "sysemu/runstate.h"
+
+bool tcg_allowed;
+bool xen_allowed;
+bool boot_strict;
+bool qemu_uuid_set;
+
+int mem_prealloc;
+int smp_cpus;
+int vga_interface_type = VGA_NONE;
+int smp_cores = 1;
+int smp_threads = 1;
+int icount_align_option;
+int boot_menu;
+
+unsigned int max_cpus;
+const uint32_t arch_type;
+const char *mem_path;
+uint8_t qemu_extra_params_fw[2];
+uint8_t *boot_splash_filedata;
+size_t boot_splash_filedata_size;
+struct syminfo *syminfos;
+
+ram_addr_t ram_size;
+MachineState *current_machine;
+QemuUUID qemu_uuid;
+
+int runstate_is_running(void)
+{
+ return 0;
+}
+
+void runstate_set(RunState new_state)
+{
+}
+
+void vm_state_notify(int running, RunState state)
+{
+}
+
+bool qemu_vmstop_requested(RunState *r)
+{
+ return false;
+}
+
+void qemu_system_debug_request(void)
+{
+}
+
+char *qemu_find_file(int type, const char *name)
+{
+ return NULL;
+}
+
+void gdb_set_stop_cpu(CPUState *cpu)
+{
+}
+
+void replay_enable_events(void)
+{
+}
+
+void replay_disable_events(void)
+{
+}
+
+#ifdef TARGET_I386
+void x86_cpu_list(void)
+{
+}
+#endif
diff --git a/stubs/vmstate.c b/stubs/vmstate.c
index cc4fe41..c7c015a 100644
--- a/stubs/vmstate.c
+++ b/stubs/vmstate.c
@@ -1,7 +1,9 @@
#include "qemu/osdep.h"
#include "migration/vmstate.h"
+#include "migration/misc.h"
const VMStateDescription vmstate_dummy = {};
+const VMStateInfo vmstate_info_timer;
int vmstate_register_with_alias_id(VMStateIf *obj,
uint32_t instance_id,
@@ -23,3 +25,20 @@ bool vmstate_check_only_migratable(const VMStateDescription
*vmsd)
{
return true;
}
+
+void vmstate_register_ram(MemoryRegion *mr, DeviceState *dev)
+{
+}
+
+void vmstate_unregister_ram(MemoryRegion *mr, DeviceState *dev)
+{
+}
+
+void vmstate_register_ram_global(MemoryRegion *mr)
+{
+}
+
+bool migration_is_idle(void)
+{
+ return true;
+}
diff --git a/stubs/xen-mapcache.c b/stubs/xen-mapcache.c
new file mode 100644
index 0000000..af5c031
--- /dev/null
+++ b/stubs/xen-mapcache.c
@@ -0,0 +1,22 @@
+#include "qemu/osdep.h"
+#include "exec/hwaddr.h"
+#include "exec/cpu-common.h"
+#include "sysemu/xen-mapcache.h"
+
+#ifdef CONFIG_XEN
+
+void xen_invalidate_map_cache_entry(uint8_t *buffer)
+{
+}
+
+uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size, uint8_t lock, bool dma)
+{
+ return NULL;
+}
+
+ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
+{
+ return 0;
+}
+
+#endif
--
1.8.3.1
- [PATCH v5 50/50] multi-process: add configure and usage information, (continued)
- [PATCH v5 50/50] multi-process: add configure and usage information, Jagannathan Raman, 2020/02/24
- [PATCH v5 40/50] multi-process/mig: build migration module in the remote process, Jagannathan Raman, 2020/02/24
- [PATCH v5 44/50] multi-process/mig: refactor runstate_check into common file, Jagannathan Raman, 2020/02/24
- [PATCH v5 47/50] multi-process: Enable support for multiple devices in remote, Jagannathan Raman, 2020/02/24
- [PATCH v5 49/50] multi-process: add the concept description to docs/devel/qemu-multiprocess, Jagannathan Raman, 2020/02/24
- [PATCH v5 04/50] multi-process: Add stub functions to facilate build of multi-process,
Jagannathan Raman <=
- Re: [PATCH v5 00/50] Initial support for multi-process qemu, no-reply, 2020/02/24
- Re: [PATCH v5 00/50] Initial support for multi-process qemu, no-reply, 2020/02/24
- Re: [PATCH v5 00/50] Initial support for multi-process qemu, no-reply, 2020/02/24