bitfields definition to support current decoder.h

--HG--
extra : convert_revision : 75ccc53181b857605d051024d86ef62ec43f3b7f

diff --git a/arch/mips/isa_desc/bitfields.h b/arch/mips/isa_desc/bitfields.h
index 7938891507c632c39c0425c5513275145b435eeb..f0d6fc8d753613cc5b219983eb7aca8f902499bc 100644 (file)
--- a/arch/mips/isa_desc/bitfields.h
+++ b/arch/mips/isa_desc/bitfields.h
@@ -3,7 +3,6 @@
 // Bitfield definitions.
 //
 
-// Universal (format-independent) fields
 def bitfield OPCODE_HI  <31:29>;
 def bitfield OPCODE_LO  <28:26>;
 
@@ -18,66 +17,35 @@ def bitfield RS           <25:21>;
 def bitfield RS_HI    <25:24>;
 def bitfield RS_LO    <23:21>;
 
-def bitfield MOVCI <>;
-def bitfield SRL   <>;
-def bitfield SRLV  <>;
-def bitfield SA    <>;
-
-def bitfield BSHFL    <>;
-def bitfield BSHFL_HI <>;
-def bitfield BSHFL_LO <>;
-
-// Integer operate format(s>;
-def bitfield INTIMM    <15: 0>; // integer immediate (literal)
-def bitfield IMM       <12:12>; // immediate flag
-def bitfield INTFUNC   <11: 5>; // function code
-def bitfield RD                <15:11>; // dest reg
-
-// Memory format
-def signed bitfield MEMDISP <15: 0>; // displacement
-def        bitfield MEMFUNC <15: 0>; // function code (same field, unsigned)
-
-// Memory-format jumps
-def bitfield JMPFUNC   <15:14>; // function code (disp<15:14>)
-def bitfield JMPHINT   <13: 0>; // tgt Icache idx hint (disp<13:0>)
-
-// Branch format
-def signed bitfield BRDISP <20: 0>; // displacement
+def bitfield RD              <15:11>;
 
 // Floating-point operate format
 def bitfield FMT         <25:21>;
-def bitfield FT                  <20:16>;
-def bitfield FS                  <15:11>;
-def bitfield FD                  <10: 6>;
+def bitfield FT              <20:16>;
+def bitfield FS              <15:11>;
+def bitfield FD              <10:6>;
 
-def bitfield FP_FULLFUNC  <15: 5>; // complete function code
-    def bitfield FP_TRAPMODE  <15:13>; // trapping mode
-    def bitfield FP_ROUNDMODE <12:11>; // rounding mode
-    def bitfield FP_TYPEFUNC  <10: 5>; // type+func: handiest for decoding
-        def bitfield FP_SRCTYPE   <10: 9>; // source reg type
-        def bitfield FP_SHORTFUNC < 8: 5>; // short function code
-        def bitfield FP_SHORTFUNC_TOP2 <8:7>; // top 2 bits of short func code
+def bitfield MOVCI    <16:16>;
+def bitfield MOVCF    <16:16>;
+def bitfield SRL      <21:21>;
+def bitfield SRLV     < 6: 6>;
+def bitfield SA       <10: 6>;
 
-// PALcode format
-def bitfield PALFUNC   <25: 0>; // function code
+// Interrupts
+def bitfield SC       < 5: 5>;
 
-// EV5 PAL instructions:
-// HW_LD/HW_ST
-def bitfield HW_LDST_PHYS  <15>; // address is physical
-def bitfield HW_LDST_ALT   <14>; // use ALT_MODE IPR
-def bitfield HW_LDST_WRTCK <13>; // HW_LD only: fault if no write acc
-def bitfield HW_LDST_QUAD  <12>; // size: 0=32b, 1=64b
-def bitfield HW_LDST_VPTE  <11>; // HW_LD only: is PTE fetch
-def bitfield HW_LDST_LOCK  <10>; // HW_LD only: is load locked
-def bitfield HW_LDST_COND  <10>; // HW_ST only: is store conditional
-def signed bitfield HW_LDST_DISP  <9:0>; // signed displacement
+// Integer operate format(s>;
+def bitfield INTIMM    <15: 0>; // integer immediate (literal)
 
-// HW_REI
-def bitfield HW_REI_TYP <15:14>; // type: stalling vs. non-stallingk
-def bitfield HW_REI_MBZ <13: 0>; // must be zero
+// Branch format
+def bitfield OFFSET <15: 0>; // displacement
+
+// Memory-format jumps
+def bitfield JMPTARG   <25: 0>;
+def bitfield JMPHINT   <10: 6>;
 
-// HW_MTPR/MW_MFPR
-def bitfield HW_IPR_IDX <15:0>;         // IPR index
+def bitfield SYSCALLCODE <25: 6>;
+def bitfield TRAPCODE    <15:13>;
 
 // M5 instructions
 def bitfield M5FUNC <7:0>;