[xcc,sim] rvc loads and stores

riscv/decode.h

@@ -206,13 +206,19 @@ private:
 
 #define INSN_IS_RVC(x) (((x) & 0x3) < 0x3)
 
-#define CRD do_writeback(XPR,(insn.bits >> 5) & 0x1f)
+#define CRD do_writeback(XPR, (insn.bits >> 5) & 0x1f)
 #define CRS1 XPR[(insn.bits >> 10) & 0x1f]
 #define CRS2 XPR[(insn.bits >> 5) & 0x1f]
 #define CIMM6 ((int32_t)((insn.bits >> 10) & 0x3f) << 26 >> 26)
+#define CIMM5 ((int32_t)((insn.bits >> 5) & 0x1f) << 27 >> 27)
 #define CIMM10 ((int32_t)((insn.bits >> 5) & 0x3ff) << 22 >> 22)
 #define CJUMP_TARGET (pc + (CIMM10 << JUMP_ALIGN_BITS))
 
+static const uint8_t rvc_regmap[8] = { 20, 21, 2, 3, 4, 5, 6, 7 };
+#define CRDS do_writeback(XPR, rvc_regmap[(insn.bits >> 13) & 0x7])
+#define CRS1S XPR[rvc_regmap[(insn.bits >> 10) & 0x7]]
+#define CRS2S XPR[rvc_regmap[(insn.bits >> 13) & 0x7]]
+
 // vector stuff
 #define VL vl
 

riscv/execute.h

@@ -180,6 +180,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x4:
+  {
+    #include "insns/c_ldsp.h"
+    break;
+  }
+  case 0x5:
+  {
+    #include "insns/c_lwsp.h"
+    break;
+  }
+  case 0x6:
+  {
+    #include "insns/c_sdsp.h"
+    break;
+  }
   case 0x7:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -201,6 +216,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x8:
+  {
+    #include "insns/c_swsp.h"
+    break;
+  }
+  case 0x9:
+  {
+    #include "insns/c_ld.h"
+    break;
+  }
+  case 0xa:
+  {
+    #include "insns/c_lw.h"
+    break;
+  }
   case 0xb:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -505,6 +535,16 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0xc:
+  {
+    #include "insns/c_sd.h"
+    break;
+  }
+  case 0xd:
+  {
+    #include "insns/c_sw.h"
+    break;
+  }
   case 0xf:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -886,6 +926,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x24:
+  {
+    #include "insns/c_ldsp.h"
+    break;
+  }
+  case 0x25:
+  {
+    #include "insns/c_lwsp.h"
+    break;
+  }
+  case 0x26:
+  {
+    #include "insns/c_sdsp.h"
+    break;
+  }
   case 0x27:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -907,6 +962,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x28:
+  {
+    #include "insns/c_swsp.h"
+    break;
+  }
+  case 0x29:
+  {
+    #include "insns/c_ld.h"
+    break;
+  }
+  case 0x2a:
+  {
+    #include "insns/c_lw.h"
+    break;
+  }
   case 0x2b:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -1006,6 +1076,16 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x2c:
+  {
+    #include "insns/c_sd.h"
+    break;
+  }
+  case 0x2d:
+  {
+    #include "insns/c_sw.h"
+    break;
+  }
   case 0x2f:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -1434,6 +1514,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x44:
+  {
+    #include "insns/c_ldsp.h"
+    break;
+  }
+  case 0x45:
+  {
+    #include "insns/c_lwsp.h"
+    break;
+  }
+  case 0x46:
+  {
+    #include "insns/c_sdsp.h"
+    break;
+  }
   case 0x47:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -1465,6 +1560,21 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x48:
+  {
+    #include "insns/c_swsp.h"
+    break;
+  }
+  case 0x49:
+  {
+    #include "insns/c_ld.h"
+    break;
+  }
+  case 0x4a:
+  {
+    #include "insns/c_lw.h"
+    break;
+  }
   case 0x4b:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -1496,6 +1606,16 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x4c:
+  {
+    #include "insns/c_sd.h"
+    break;
+  }
+  case 0x4d:
+  {
+    #include "insns/c_sw.h"
+    break;
+  }
   case 0x4f:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -2103,11 +2223,41 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x64:
+  {
+    #include "insns/c_ldsp.h"
+    break;
+  }
+  case 0x65:
+  {
+    #include "insns/c_lwsp.h"
+    break;
+  }
+  case 0x66:
+  {
+    #include "insns/c_sdsp.h"
+    break;
+  }
   case 0x67:
   {
     #include "insns/j.h"
     break;
   }
+  case 0x68:
+  {
+    #include "insns/c_swsp.h"
+    break;
+  }
+  case 0x69:
+  {
+    #include "insns/c_ld.h"
+    break;
+  }
+  case 0x6a:
+  {
+    #include "insns/c_lw.h"
+    break;
+  }
   case 0x6b:
   {
     switch((insn.bits >> 0x7) & 0x7)
@@ -2143,6 +2293,16 @@ switch((insn.bits >> 0x0) & 0x7f)
     }
     break;
   }
+  case 0x6c:
+  {
+    #include "insns/c_sd.h"
+    break;
+  }
+  case 0x6d:
+  {
+    #include "insns/c_sw.h"
+    break;
+  }
   case 0x6f:
   {
     #include "insns/jal.h"

riscv/insns/c_ld.h

@@ -0,0 +1,3 @@
+require_rvc;
+require_xpr64;
+CRDS = mmu.load_int64(CRS1S+CIMM5*8);

riscv/insns/c_ldsp.h

@@ -0,0 +1,3 @@
+require_rvc;
+require_xpr64;
+CRD = mmu.load_int64(XPR[30]+CIMM6*8);

riscv/insns/c_lw.h

@@ -0,0 +1,2 @@
+require_rvc;
+CRDS = mmu.load_int32(CRS1S+CIMM5*4);

riscv/insns/c_lwsp.h

@@ -0,0 +1,2 @@
+require_rvc;
+CRD = mmu.load_int32(XPR[30]+CIMM6*4);

riscv/insns/c_sd.h

@@ -0,0 +1,3 @@
+require_rvc;
+require_xpr64;
+mmu.store_uint64(CRS1S+CIMM5*8, CRS2S);

riscv/insns/c_sdsp.h

@@ -0,0 +1,3 @@
+require_rvc;
+require_xpr64;
+mmu.store_uint64(XPR[30]+CIMM6*8, CRS2);

riscv/insns/c_sw.h

@@ -0,0 +1,2 @@
+require_rvc;
+mmu.store_uint32(CRS1S+CIMM5*4, CRS2S);

riscv/insns/c_swsp.h

@@ -0,0 +1,2 @@
+require_rvc;
+mmu.store_uint32(XPR[30]+CIMM6*4, CRS2);