#define SSTATUS32_SD 0x80000000
#define SSTATUS64_SD 0x8000000000000000
+#define DCSR_XDEBUGVER (3<<29)
+#define DCSR_HWBPCOUNT (0xfff<<17)
#define DCSR_PRV (3<<14)
+#define DCSR_NDRESET (1<<13)
+#define DCSR_FULLRESET (1<<12)
+#define DCSR_STEP (1<<11)
+#define DCSR_DEBUGINT (1<<10)
+#define DCSR_STOPCYCLE (1<<9)
+#define DCSR_STOPTIME (1<<8)
+#define DCSR_EBREAKM (1<<7)
+#define DCSR_EBREAKH (1<<6)
+#define DCSR_EBREAKS (1<<5)
+#define DCSR_EBREAKU (1<<4)
+#define DCSR_HALT (1<<3)
#define DCSR_CAUSE 7
#define DCSR_CAUSE_NONE 0