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-rw-r--r--include/exec/cpu-defs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 01cd8c7a2b..66a3d46938 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -59,6 +59,7 @@ typedef uint64_t target_ulong;
 #define EXCP_HLT        0x10001 /* hlt instruction reached */
 #define EXCP_DEBUG      0x10002 /* cpu stopped after a breakpoint or singlestep */
 #define EXCP_HALTED     0x10003 /* cpu is halted (waiting for external event) */
+#define EXCP_YIELD      0x10004 /* cpu wants to yield timeslice to another */
 
 #define TB_JMP_CACHE_BITS 12
 #define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)