7a688ea6ab
git-svn-id: http://www.cdkersey.com/harp/harptool@121 0246edb2-e076-4747-b392-db732a341fa2
102 lines
3.1 KiB
Plaintext
102 lines
3.1 KiB
Plaintext
Instruction Set Reference
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=========================
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NOP /* No operation */
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Privileged Instructions
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-----------------------
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EI /* Enable interrupts (privileged) */
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DI /* Disable interrupts (privileged) */
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SKEP %reg /* Set kernel entry point. */
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TLBADD %virt, %phys, %flags /* Add entry to TLB */
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TLBRM %virt /* Remove entry corresponding to a given virtual address. */
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TLBFLUSH /* Flush all TLB entries */
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JMPRU %reg /* Jump to location in a register and switch to user mode. */
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RETI /* Return from interrupt (Restore shadow regs/PC, threads) */
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HALT /* Stop CPU until next interrupt. */
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Memory Loads/Stores
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-------------------
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ST %reg, %reg, #imm /* Store reg to reg+imm */
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LD %reg, %reg, #imm /* Load reg from reg+imm */
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Predicate Manipulation
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----------------------
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ANDP @preg, @preg, @preg
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ORP @preg, @preg, @preg
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XORP @preg, @preg, @preg
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NOTP @preg, @preg
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Value Tests
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-----------
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RTOP @preg, %reg /* Register to predicate. Same as ISZERO => NOTP */
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ISNEG @preg, %reg
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ISZERO @preg, %reg
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Immediate Integer Arithmetic/Logic
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----------------------------------
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LDI %reg, #IMM /* Load immediate. */
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ADDI %reg, %reg, #IMM /* Add immediate */
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SUBI %reg, %reg, #IMM /* Subtract immediate */
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MULI %reg, %reg, #IMM /* Multiply immediate */
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DIVI %reg, %reg, #IMM /* Divide immediate */
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MODI %reg, %reg, #IMM /* Modulus immediate */
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SHLI %reg, %reg, #IMM /* Shift left immediate */
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SHRI %reg, %reg, #IMM /* Shift right immediate */
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ANDI %reg, %reg, #IMM /* And immediate */
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ORI %reg, %reg, #IMM /* Or immediate */
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XORI %reg, %reg, #IMM /* Xor immediate */
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Register Integer Arithmetic/Logic
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---------------------------------
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ADD %reg, %reg, %reg /* Add */
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SUB %reg, %reg, %reg /* Subtract */
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MUL %reg, %reg, %reg /* Multiply */
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DIV %reg, %reg, %reg /* Divide */
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MOD %reg, %reg, %reg /* Modulus */
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SHL %reg, %reg, %reg /* Shift left */
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SHR %reg, %reg, %reg /* Shift right */
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AND %reg, %reg, %reg /* Bitwise and */
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OR %reg, %reg, %reg /* Bitwise or */
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XOR %reg, %reg, %reg /* Bitwise xor */
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NEG %reg, %reg /* Negate */
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NOT %reg, %reg /* Bitwise invert */
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Floating Point Arithmetic
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-------------------------
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ITOF %reg, %reg /* Integer to floating point. */
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FTOI %reg, %reg /* Floating point to integer, truncate. */
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FNEG %reg, %reg /* Negate floating point number. */
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FADD %reg, %reg, %reg /* Add, full precision. */
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FSUB %reg, %reg, %reg /* Subtract, full precision. */
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FMUL %reg, %reg, %reg /* Multiply, full precision. */
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FDIV %reg, %reg, %reg /* Divide, full precision. */
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Control Flow
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------------
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JMPI #IMM /* Jump to immediate */
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JMPR %reg /* Jump indirect (to register) */
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JALI %reg, #IMM /* Jump and link immediate */
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JALR %reg, %reg /* Jump and link indirect */
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SIMD Control
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------------
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CLONE %reg /* Clone register state in to thread %reg */
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JALIS %reg, %rN, #IMM /* Jump and link immediate, spawning cloned threads. */
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JALRS %rL, %rL, %rN /* Jump and link indirect, spawning clowned threads. */
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JMPRT %reg /* Jump to register, terminating cloned threads. */
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Other
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-----
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TRAP /* Program-generated interrupt. */
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