sh2: handle some branch exceptions

[picodrive.git] / cpu / sh2 / compiler.h

diff --git a/cpu/sh2/compiler.h b/cpu/sh2/compiler.h
index 16e249a..61d8d2d 100644 (file)
--- a/cpu/sh2/compiler.h
+++ b/cpu/sh2/compiler.h
@@ -1,7 +1,27 @@
 int  sh2_drc_init(SH2 *sh2);
 void sh2_drc_finish(SH2 *sh2);
-void sh2_drc_mem_setup(SH2 *sh2);
-void sh2_drc_flush_all(void);
 void sh2_drc_wcheck_ram(unsigned int a, int val, int cpuid);
 void sh2_drc_wcheck_da(unsigned int a, int val, int cpuid);
 
+#ifdef DRC_SH2
+void sh2_drc_mem_setup(SH2 *sh2);
+void sh2_drc_flush_all(void);
+void sh2_drc_frame(void);
+#else
+#define sh2_drc_mem_setup(x)
+#define sh2_drc_flush_all()
+#define sh2_drc_frame()
+#endif
+
+#define BLOCK_INSN_LIMIT 128
+
+/* op_flags */
+#define OF_DELAY_OP   (1 << 0)
+#define OF_BTARGET    (1 << 1)
+#define OF_T_SET      (1 << 2) // T is known to be set
+#define OF_T_CLEAR    (1 << 3) // ... clear
+#define OF_B_IN_DS    (1 << 4)
+
+void scan_block(unsigned int base_pc, int is_slave,
+               unsigned char *op_flags, unsigned int *end_pc,
+               unsigned int *end_literals);