If tcg is disabled, the functions in tcg-stub.c file will be called.
Signed-off-by: Yang Zhong <yang.zh...@intel.com>
---
accel/stubs/Makefile.objs | 1 +
accel/stubs/tcg-stub.c | 103 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 104 insertions(+)
create mode 100644 accel/stubs/tcg-stub.c
diff --git a/accel/stubs/Makefile.objs b/accel/stubs/Makefile.objs
index bd5794f..fdfbf73 100644
--- a/accel/stubs/Makefile.objs
+++ b/accel/stubs/Makefile.objs
@@ -1 +1,2 @@
obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
+obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o
diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c
new file mode 100644
index 0000000..12c41dd
--- /dev/null
+++ b/accel/stubs/tcg-stub.c
@@ -0,0 +1,103 @@
+/*
+ * QEMU TCG accelerator stub
+ *
+ * Copyright Red Hat, Inc. 2013
+ *
+ * Author: Paolo Bonzini <pbonz...@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "tcg/tcg.h"
+#include "exec/cpu-common.h"
+#include "exec/exec-all.h"
+#include "translate-all.h"
+#include "exec/cpu-all.h"
+
+void tb_flush(CPUState *cpu)
+{
+}
+
+void tb_invalidate_phys_page_fast(tb_page_addr_t start, int len)
+{
+}
+
+void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
+{
+}
+
+void tb_check_watchpoint(CPUState *cpu)
+{
+}
+
+TranslationBlock *tb_gen_code(CPUState *cpu,
+ target_ulong pc, target_ulong cs_base,
+ uint32_t flags, int cflags)
+{
+ return NULL;
+}
+
+void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length)
+{
+}
+
+void tlb_set_dirty(CPUState *cpu, target_ulong vaddr)
+{
+}
+
+bool cpu_restore_state(CPUState *cpu, uintptr_t searched_pc)
+{
+ return false;
+}
+
+void update_fp_status(CPUX86State *env)
+{
+}
+
+void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
+{
+}
+
+void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf)
+{
+}
+
+void cpu_loop_exit(CPUState *cpu)
+{
+ abort();
+}
+
+void cpu_loop_exit_noexc(CPUState *cpu)
+{
+ abort();
+}
+
+void raise_exception(CPUX86State *env, int exception_index)
+{
+ abort();
+}
+
+void raise_exception_err_ra(CPUX86State *env, int exception_index,
+ int error_code, uintptr_t retaddr)
+{
+ abort();
+}
+
+void x86_cpu_do_interrupt(CPUState *cs)
+{
+}
+
+bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
+{
+ return false;
+}
+
+int cpu_exec(CPUState *cpu)
+{
+ abort();
+}
--
1.9.1
