X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Farch%2Fx86%2Fisa%2Fbitfields.isa;h=fb082f683cc119275e9d0b0ed74954b319534453;hb=31d29ee3f8209a43e325cfe0373e9081a263ad36;hp=fff324caade07c751f9d5839da53a2e55005ccd2;hpb=e7bbd85ae614a4d7fc49b4a8b870fe30aea82b80;p=gem5.git

diff --git a/src/arch/x86/isa/bitfields.isa b/src/arch/x86/isa/bitfields.isa
index fff324caa..fb082f683 100644
--- a/src/arch/x86/isa/bitfields.isa
+++ b/src/arch/x86/isa/bitfields.isa
@@ -58,9 +58,23 @@
 // Bitfield definitions.
 //
 
-//Prefixes
+//REX prefix
 def bitfield REX rex;
+def bitfield REX_PRESENT rex.present;
+def bitfield REX_W rex.w;
+def bitfield REX_R rex.r;
+def bitfield REX_X rex.x;
+def bitfield REX_B rex.b;
+
+//Legacy prefixes
 def bitfield LEGACY legacy;
+def bitfield LEGACY_DECODEVAL legacy.decodeVal;
+def bitfield LEGACY_REPNE legacy.repne;
+def bitfield LEGACY_REP legacy.rep;
+def bitfield LEGACY_LOCK legacy.lock;
+def bitfield LEGACY_OP legacy.op;
+def bitfield LEGACY_ADDR legacy.addr;
+def bitfield LEGACY_SEG legacy.seg;
 
 // Pieces of the opcode
 def bitfield OPCODE_NUM opcode.num;
@@ -85,3 +99,11 @@ def bitfield SIB sib;
 def bitfield SIB_SCALE sib.scale;
 def bitfield SIB_INDEX sib.index;
 def bitfield SIB_BASE sib.base;
+
+def bitfield OPSIZE opSize;
+def bitfield ADDRSIZE addrSize;
+def bitfield STACKSIZE stackSize;
+
+def bitfield MODE mode;
+def bitfield MODE_MODE mode.mode;
+def bitfield MODE_SUBMODE mode.submode;