Moved ISET to harptool directory.

git-svn-id: http://www.cdkersey.com/harp/harptool@121 0246edb2-e076-4747-b392-db732a341fa2

ISET

@@ -0,0 +1,101 @@
+Instruction Set Reference
+=========================
+
+  NOP /* No operation */
+
+Privileged Instructions
+-----------------------
+
+  EI  /* Enable interrupts (privileged)  */
+  DI  /* Disable interrupts (privileged) */
+  SKEP %reg /* Set kernel entry point. */
+  TLBADD %virt, %phys, %flags /* Add entry to TLB */
+  TLBRM %virt /* Remove entry corresponding to a given virtual address. */
+  TLBFLUSH /* Flush all TLB entries */
+  JMPRU %reg /* Jump to location in a register and switch to user mode. */
+  RETI /* Return from interrupt (Restore shadow regs/PC, threads) */
+  HALT /* Stop CPU until next interrupt. */
+
+Memory Loads/Stores
+-------------------
+
+  ST %reg, %reg, #imm /* Store reg to reg+imm */
+  LD %reg, %reg, #imm /* Load reg from reg+imm */
+
+Predicate Manipulation
+----------------------
+
+  ANDP @preg, @preg, @preg
+  ORP @preg, @preg, @preg
+  XORP @preg, @preg, @preg
+  NOTP @preg, @preg
+
+Value Tests
+-----------
+
+  RTOP @preg, %reg  /* Register to predicate. Same as ISZERO => NOTP */
+  ISNEG @preg, %reg
+  ISZERO @preg, %reg
+
+Immediate Integer Arithmetic/Logic
+----------------------------------
+
+  LDI %reg, #IMM /* Load immediate. */
+  ADDI %reg, %reg, #IMM /* Add immediate */
+  SUBI %reg, %reg, #IMM /* Subtract immediate */
+  MULI %reg, %reg, #IMM /* Multiply immediate */
+  DIVI %reg, %reg, #IMM /* Divide immediate */
+  MODI %reg, %reg, #IMM /* Modulus immediate */
+  SHLI %reg, %reg, #IMM /* Shift left immediate */
+  SHRI %reg, %reg, #IMM /* Shift right immediate */
+  ANDI %reg, %reg, #IMM /* And immediate */
+  ORI %reg, %reg, #IMM /* Or immediate */
+  XORI %reg, %reg, #IMM /* Xor immediate */
+
+Register Integer Arithmetic/Logic
+---------------------------------
+
+  ADD %reg, %reg, %reg /* Add */
+  SUB %reg, %reg, %reg /* Subtract */
+  MUL %reg, %reg, %reg /* Multiply */
+  DIV %reg, %reg, %reg /* Divide */
+  MOD %reg, %reg, %reg /* Modulus */
+  SHL %reg, %reg, %reg /* Shift left */
+  SHR %reg, %reg, %reg /* Shift right */
+  AND %reg, %reg, %reg /* Bitwise and */
+  OR %reg, %reg, %reg /* Bitwise or */
+  XOR %reg, %reg, %reg /* Bitwise xor */
+  NEG %reg, %reg /* Negate */
+  NOT %reg, %reg /* Bitwise invert */
+
+Floating Point Arithmetic
+-------------------------
+
+  ITOF %reg, %reg       /* Integer to floating point. */
+  FTOI %reg, %reg       /* Floating point to integer, truncate. */
+  FNEG %reg, %reg       /* Negate floating point number. */
+  FADD %reg, %reg, %reg /* Add, full precision. */
+  FSUB %reg, %reg, %reg /* Subtract, full precision. */
+  FMUL %reg, %reg, %reg /* Multiply, full precision. */ 
+  FDIV %reg, %reg, %reg /* Divide, full precision. */
+
+Control Flow
+------------
+
+  JMPI #IMM       /* Jump to immediate */
+  JMPR %reg       /* Jump indirect (to register) */
+  JALI %reg, #IMM /* Jump and link immediate */
+  JALR %reg, %reg /* Jump and link indirect */
+
+SIMD Control
+------------
+
+  CLONE %reg /* Clone register state in to thread %reg */
+  JALIS %reg, %rN, #IMM /* Jump and link immediate, spawning cloned threads. */
+  JALRS %rL, %rL, %rN /* Jump and link indirect, spawning clowned threads. */
+  JMPRT %reg  /* Jump to register, terminating cloned threads. */
+
+Other
+-----
+
+  TRAP /* Program-generated interrupt. */