Add unratified Ssdbltrp and Smdbltrp fields (#238)

* Add Ssdbltrp, Smdbltrp, and Sddbltrp fields

* Add Ssdbltrp, Smdbltrp, and Sddbltrp fields

* renasme pcerr to cetrig; fix fields of dcsr to match 1.0 spec

encoding.h

@@ -21,6 +21,7 @@
 #define MSTATUS_TW          0x00200000
 #define MSTATUS_TSR         0x00400000
 #define MSTATUS_SPELP       0x00800000
+#define MSTATUS_SDT         0x01000000
 #define MSTATUS32_SD        0x80000000
 #define MSTATUS_UXL         0x0000000300000000
 #define MSTATUS_SXL         0x0000000C00000000
@@ -29,12 +30,14 @@
 #define MSTATUS_GVA         0x0000004000000000
 #define MSTATUS_MPV         0x0000008000000000
 #define MSTATUS_MPELP       0x0000020000000000
+#define MSTATUS_MDT         0x0000040000000000
 #define MSTATUS64_SD        0x8000000000000000
 
 #define MSTATUSH_SBE        0x00000010
 #define MSTATUSH_MBE        0x00000020
 #define MSTATUSH_GVA        0x00000040
 #define MSTATUSH_MPV        0x00000080
+#define MSTATUSH_MDT        0x00000400
 
 #define SSTATUS_UIE         0x00000001
 #define SSTATUS_SIE         0x00000002
@@ -48,6 +51,7 @@
 #define SSTATUS_SUM         0x00040000
 #define SSTATUS_MXR         0x00080000
 #define SSTATUS_SPELP       0x00800000
+#define SSTATUS_SDT         0x01000000
 #define SSTATUS32_SD        0x80000000
 #define SSTATUS_UXL         0x0000000300000000
 #define SSTATUS64_SD        0x8000000000000000
@@ -70,19 +74,22 @@
 #define MNSTATUS_MNPP       0x00001800
 #define MNSTATUS_MNPV       0x00000080
 
-#define DCSR_XDEBUGVER      (3U<<30)
-#define DCSR_NDRESET        (1<<29)
-#define DCSR_FULLRESET      (1<<28)
+#define DCSR_XDEBUGVER      (15U<<28)
+#define DCSR_EXTCAUSE       (7<<24)
+#define DCSR_CETRIG         (1<<19)
 #define DCSR_PELP           (1<<18)
+#define DCSR_EBREAKVS       (1<<17)
+#define DCSR_EBREAKVU       (1<<16)
 #define DCSR_EBREAKM        (1<<15)
-#define DCSR_EBREAKH        (1<<14)
 #define DCSR_EBREAKS        (1<<13)
 #define DCSR_EBREAKU        (1<<12)
-#define DCSR_STOPCYCLE      (1<<10)
+#define DCSR_STEPIE         (1<<11)
+#define DCSR_STOPCOUNT      (1<<10)
 #define DCSR_STOPTIME       (1<<9)
 #define DCSR_CAUSE          (7<<6)
-#define DCSR_DEBUGINT       (1<<5)
-#define DCSR_HALT           (1<<3)
+#define DCSR_V              (1<<5)
+#define DCSR_MPRVEN         (1<<4)
+#define DCSR_NMIP           (1<<3)
 #define DCSR_STEP           (1<<2)
 #define DCSR_PRV            (3<<0)
 
@@ -159,10 +166,12 @@
 #define MENVCFG_CBIE  0x00000030
 #define MENVCFG_CBCFE 0x00000040
 #define MENVCFG_CBZE  0x00000080
+#define MENVCFG_DTE   0x0800000000000000
 #define MENVCFG_ADUE  0x2000000000000000
 #define MENVCFG_PBMTE 0x4000000000000000
 #define MENVCFG_STCE  0x8000000000000000
 
+#define MENVCFGH_DTE   0x08000000
 #define MENVCFGH_ADUE  0x20000000
 #define MENVCFGH_PBMTE 0x40000000
 #define MENVCFGH_STCE  0x80000000
@@ -204,10 +213,12 @@
 #define HENVCFG_CBIE  0x00000030
 #define HENVCFG_CBCFE 0x00000040
 #define HENVCFG_CBZE  0x00000080
+#define HENVCFG_DTE   0x0800000000000000
 #define HENVCFG_ADUE  0x2000000000000000
 #define HENVCFG_PBMTE 0x4000000000000000
 #define HENVCFG_STCE  0x8000000000000000
 
+#define HENVCFGH_DTE   0x08000000
 #define HENVCFGH_ADUE  0x20000000
 #define HENVCFGH_PBMTE 0x40000000
 #define HENVCFGH_STCE  0x80000000