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https://sourceware.org/git/binutils-gdb.git
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b8e61daa1a
Two places in epiphany_cgen_extract_operand, "value" is a long.
value = ((((value) << (1))) + (pc));
cpu/
* epiphany.cpu (f-simm8, f-simm24): Use multiply rather than
shift left to avoid UB on left shift of negative values.
opcodes/
* epiphany-ibld.c: Regenerate.
2937 lines
79 KiB
Scheme
2937 lines
79 KiB
Scheme
; Adapteva EPIPHANY CPU description. -*- Scheme -*-
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; Copyright 1998, 1999, 2000, 2001, 2003, 2006, 2007, 2008, 2009, 2010, 2011
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; Free Software Foundation, Inc.
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;
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; Contributed by Embecosm on behalf of Adapteva, Inc.
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; This file is part of the GNU Binutils and of GDB.
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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; MA 02110-1301, USA.
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(include "simplify.inc")
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; define-arch must appear first
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(define-arch
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(name epiphany) ; name of cpu family
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(comment "Adapteva, Inc. EPIPHANY family")
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(default-alignment aligned)
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(insn-lsb0? #t)
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; - a 16/32 bit instruction machine (the default)
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(machs epiphany32)
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(isas epiphany)
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)
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; Attributes.
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(define-attr
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(for insn)
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(type boolean)
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(name SHORT-INSN)
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(comment "instruction is a 16 bit form")
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)
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;; 3 bit add/sub immediate forms - useful for relaxing into 11 bit form
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(define-attr
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(for insn)
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(type boolean)
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(name IMM3)
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(comment "instruction has a 3 bit immediate form")
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)
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;; 8 bit mov immediate forms - useful for relaxing into 16 bit form
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(define-attr
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(for insn)
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(type boolean)
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(name IMM8)
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(comment "instruction has a 8 bit immediate form")
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)
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; Instruction set parameters.
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(define-isa
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(name epiphany)
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(comment "Adapteva, Inc. EPIPHANY32 ISA")
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(default-insn-word-bitsize 32)
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(default-insn-bitsize 32)
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(base-insn-bitsize 32)
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(decode-assist (3 2 1 0)) ; CGEN can figure this out
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(liw-insns 1) ; # instructions fetched at once
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)
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; Cpu family definitions.
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(define-cpu
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; cpu names must be distinct from the architecture name and machine names.
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(name epiphanybf)
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(comment "Adapteva, Inc. EPIPHANY Family")
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(endian little)
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(word-bitsize 32)
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)
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(define-cpu
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(name epiphanymf)
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(comment "Adapteva, Inc. EPIPHANY Family")
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(endian little)
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(word-bitsize 32)
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)
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(define-mach
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(name epiphany32)
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(comment "Adapteva EPIPHANY")
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(cpu epiphanybf)
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)
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; Model descriptions.
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(define-model
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(name epiphany32) (comment "Adapteva EPIPHANY 32/16") (attrs)
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(mach epiphany32)
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(unit u-exec "Execution Unit" ()
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1 1 ; issue done
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() ; state
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() ; inputs
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() ; outputs
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() ; profile action (default)
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)
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)
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; Instruction fields.
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;
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; Attributes:
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; XXX: what EPIPHANY attrs
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; PCREL-ADDR: pc relative value (for reloc and disassembly purposes)
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; ABS-ADDR: absolute address (for reloc and disassembly purposes?)
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; RESERVED: bits are not used to decode insn, must be all 0
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; RELOC: there is a relocation associated with this field
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(define-attr
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(for ifield operand)
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(type boolean)
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(name RELOC)
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(comment "there is a reloc associated with this field (experiment)")
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)
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;; define the fields of the instruction.
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;; name description ATTR MSB LEN
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(dnf f-opc "primary opcode" () 3 4)
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(dnf f-opc-4-1 "secondary opcode" () 4 1)
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(dnf f-opc-6-3 "secondary opcode" () 6 3) ;;
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(dnf f-opc-8-5 "tertiary opcode" () 8 5) ;;
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(dnf f-opc-19-4 "additional opcode bits" () 19 4)
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(dnf f-condcode "condition codes" () 7 4)
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(dnf f-secondary-ccs "flag for secondary ccs" () 7 1)
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(dnf f-shift "shift amount" () 9 5)
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(dnf f-wordsize "load/store size" () 6 2)
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(dnf f-store "load/store flag" () 4 1) ;; 0==load,1==store
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(dnf f-opc-8-1 "opcode bits" () 8 1)
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(dnf f-opc-31-32 "all opcode set" () 31 32)
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(df f-simm8 "branch displacement" (PCREL-ADDR RELOC) 15 8 INT
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((value pc) (sra SI (sub SI value pc) 1))
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((value pc) (add SI (mul SI value 2) pc)))
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(df f-simm24 "branch displacement" (PCREL-ADDR RELOC) 31 24 INT
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((value pc) (sra SI (sub SI value pc) 1))
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((value pc) (add SI (mul SI value 2) pc)))
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(df f-sdisp3 "signed immediate 3 bit" () 9 3 INT #f #f)
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(dnf f-disp3 "address offset" () 9 3)
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(dnf f-disp8 "address offset" () 23 8)
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(dnf f-imm8 "move/add/sub imm8" () 12 8)
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(dnf f-imm-27-8 "move/add/sub imm16" () 27 8)
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(dnf f-addsubx "+/- index address" () 20 1)
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(dnf f-subd "+/- displ address" () 24 1)
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(dnf f-pm "post-modify immediate" () 25 1)
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(dnf f-rm "short rm" () 9 3) ;; RM
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(dnf f-rn "short rn" () 12 3) ;; RN
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(dnf f-rd "short rd" () 15 3) ;; RD
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(dnf f-rm-x "extension rm" () 25 3) ;; RM
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(dnf f-rn-x "extension rn" () 28 3) ;; RN
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(dnf f-rd-x "extension rd" () 31 3) ;; RD
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(dnf f-dc-9-1 "DC" (RESERVED) 9 1)
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(dnf f-sn "short sn" () 12 3) ;; SN
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(dnf f-sd "short sd" () 15 3) ;; SD
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(dnf f-sn-x "extension sn" () 28 3) ;; SN
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(dnf f-sd-x "extension sd" () 31 3) ;; SD
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(dnf f-dc-7-4 "movts zeros" () 7 4)
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(dnf f-trap-swi-9-1 "trap or swi" () 9 1)
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(dnf f-gien-gidis-9-1 "gien or gidis" () 9 1)
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(dnf f-dc-15-3 "DC" (RESERVED) 15 3)
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(dnf f-dc-15-7 "DC" (RESERVED) 15 7)
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(dnf f-dc-15-6 "DC" () 15 6)
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(dnf f-trap-num "trap number" () 15 6)
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(dnf f-dc-20-1 "DC" (RESERVED) 20 1)
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(dnf f-dc-21-1 "DC" (RESERVED) 21 1)
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(dnf f-dc-21-2 "DC" (RESERVED) 21 2)
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(dnf f-dc-22-3 "DC" (RESERVED) 22 3)
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(dnf f-dc-22-2 "DC" (RESERVED) 22 2)
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(dnf f-dc-22-1 "DC" (RESERVED) 22 1)
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(dnf f-dc-25-6 "DC" (RESERVED) 25 6)
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(dnf f-dc-25-4 "DC" (RESERVED) 25 4)
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(dnf f-dc-25-2 "DC" (RESERVED) 25 2)
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(dnf f-dc-25-1 "DC" (RESERVED) 25 1)
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(dnf f-dc-28-1 "DC" (RESERVED) 28 1)
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(dnf f-dc-31-3 "DC" (RESERVED) 31 3)
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(dnmf f-disp11 "Unsigned offset for load/store" () UINT (f-disp3 f-disp8)
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(sequence ()
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(set (ifield f-disp8) (and (srl (ifield f-disp11) 3) (const 255)))
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(set (ifield f-disp3) (and (ifield f-disp11) 7)))
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(sequence ()
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(set (ifield f-disp11) (or (sll (ifield f-disp8) 3)
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(ifield f-disp3)))
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)
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)
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(dnmf f-sdisp11 "Signed offset for load/store" () INT (f-disp3 f-disp8)
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(sequence () ;encode
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(set (ifield f-disp8) (and #xff (srl SI (ifield f-sdisp11) 3)))
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(set (ifield f-disp3) (and SI (ifield f-sdisp11) 7)))
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(sequence () ;decode
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(set (ifield f-sdisp11)
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(sra SI (sll SI (or SI (sll (ifield f-disp8) 3)
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(ifield f-disp3))
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21)
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21)))
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)
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(dnmf f-imm16 "Short immediate for move/add/sub" () UINT (f-imm8 f-imm-27-8)
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(sequence ()
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(set (ifield f-imm8) (and (ifield f-imm16) #xff))
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(set (ifield f-imm-27-8) (srl (ifield f-imm16) 8)))
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(sequence ()
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(set (ifield f-imm16) (or (sll (ifield f-imm-27-8) 8)
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(ifield f-imm8))))
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)
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;; 32 bit instructions have the register number broken into two non-contiguous fields
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(define-pmacro (x-reg-field reg)
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(define-multi-ifield
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(name (.sym "f-" reg "6"))
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(mode UINT)
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(subfields (.sym "f-" reg "-x") (.sym "f-" reg))
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(insert (sequence ()
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(set (ifield (.sym "f-" reg)) (and (ifield (.sym "f-" reg "6"))
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(const 7)))
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(set (ifield (.sym "f-" reg "-x")) (srl (ifield (.sym "f-" reg "6"))
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(const 3)))
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))
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(extract (sequence ()
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(set (ifield (.sym "f-" reg "6")) (or (sll (ifield (.sym "f-" reg "-x"))
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(const 3))
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(ifield (.sym "f-" reg))))
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))
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)
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)
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(x-reg-field rd) ; f-rd6
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(x-reg-field rn) ; f-rn6
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(x-reg-field rm) ; f-rm6
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(x-reg-field sd) ; f-sd6
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(x-reg-field sn) ; f-sn6
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;;;;;;;;;;
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; Enums. ;
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;;;;;;;;;;
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; insn-opc: bits 3..0 - major family selector
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(define-normal-insn-enum insn-opc "opc enums" () OP4_ f-opc
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(
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BRANCH16 ;; 0000
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LDSTR16X ;; 0001
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FLOW16 ;; 0010
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IMM16 ;; 0011
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LDSTR16D ;; 0100
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LDSTR16P ;; 0101
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LSHIFT16 ;; 0110 - logical shift
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DSP16 ;; 0111 - 3 reg DSP 16 bit insns
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BRANCH ;; 1000
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LDSTRX ;; 1001
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ALU16 ;; 1010 - 3 reg 16 bit
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IMM32 ;; 1011
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LDSTRD ;; 1100
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LDSTRP ;; 1101
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ASHIFT16 ;; 1110 ASR, BITR
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MISC ;; 1111 - 32 bit shifts, 3 reg ALU, 3 reg DSP, FLOW, BITR
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)
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)
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(define-normal-insn-enum insn-wordsize "memory access width" () OPW_ f-wordsize
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; specifies the size of a memory load/store operation
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(BYTE SHORT WORD DOUBLE)
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)
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(define-normal-insn-enum insn-memory-access "memory access direction" () OP_ f-store
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; load=0, store=1
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(LOAD STORE)
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)
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; enum for trap codes used by simulator
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(define-normal-insn-enum trap-codes "trap instruction dispatch code" () TRAP_ f-trap-num
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(write read open exit pass fail close other)
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)
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; cond branch: bits 7..4
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;
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(define-normal-insn-enum insn-cond "branch conditions" () OPC_ f-condcode
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(EQ NE GTU GTEU LTEU LTU GT GTE LT LTE BEQ BNE BLT BLTE B BL))
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; dsp 3 operand opcodes
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(define-normal-insn-enum insn-bop "binary operator subcodes" () OPB_ f-opc-6-3
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(EOR ADD LSL SUB LSR AND ASR ORR))
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; dsp 3 operand opcodes
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(define-normal-insn-enum insn-bopext "binary operator subcodes" () OPBE_ f-opc-6-3
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(FEXT FDEP LFSR - - - - -))
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(define-normal-insn-enum insn-fop "floating operators" () OPF_ f-opc-6-3
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(ADD SUB MUL MADD MSUB FLOAT FIX FABS))
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(define-normal-insn-enum insn-fopexn "extended floating operators" () OPF_ f-opc-6-3
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(FRECIP FSQRT - - - - - -))
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; Immediate operation secondary opcodes
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(define-normal-insn-enum insn-immop "immediate operators" () OPI_ f-opc-6-3
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(- ADD - SUB - - - TRAP) ; TRAP is special extension for simulator
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)
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; don't care fields
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(define-normal-insn-enum insn-dc-25-2 "don't cares" () OPI_25_2_ f-dc-25-2
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(MBZ))
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; General Register keyword names.
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(define-keyword
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(name gr-names)
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(print-name h-registers)
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(prefix "")
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(values
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; some preferred aliases
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(fp 11) (sp 13) (lr 14)
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; the default register names
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(r0 0) (r1 1) (r2 2) (r3 3) (r4 4) (r5 5) (r6 6) (r7 7)
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(r8 8) (r9 9) (r10 10) (r11 11) (r12 12) (r13 13) (r14 14) (r15 15)
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(r16 16) (r17 17) (r18 18) (r19 19) (r20 20) (r21 21) (r22 22) (r23 23)
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(r24 24) (r25 25) (r26 26) (r27 27) (r28 28) (r29 29) (r30 30) (r31 31)
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(r32 32) (r33 33) (r34 34) (r35 35) (r36 36) (r37 37) (r38 38) (r39 39)
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(r40 40) (r41 41) (r42 42) (r43 43) (r44 44) (r45 45) (r46 46) (r47 47)
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(r48 48) (r49 49) (r50 50) (r51 51) (r52 52) (r53 53) (r54 54) (r55 55)
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(r56 56) (r57 57) (r58 58) (r59 59) (r60 60) (r61 61) (r62 62) (r63 63)
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; some less popular aliases
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(a1 0) (a2 1) (a3 2) (a4 3) (v1 4) (v2 5) (v3 6) (v4 7)
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(v5 8) (v6 9) (v7 10) (v8 11)
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(sb 9) (sl 10) (ip 12)
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)
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)
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(define-normal-insn-enum post-index "+/- index register" () DIR_ f-addsubx (POSTINC POSTDEC))
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(define-normal-insn-enum disp-post-modify "postmodify displacement" () PMOD_ f-pm (DISP POST))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Hardware pieces.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; 64 general-purpose registers
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(define-hardware
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(name h-registers)
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(comment "all addressable registers")
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(type register SI (64))
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(attrs PROFILE CACHE-ADDR)
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(indices extern-keyword gr-names)
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)
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;; Same 64 registers as floating point registers
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(define-hardware
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(name h-fpregisters)
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(comment "all GPRs as float values")
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(type register SF (64))
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(attrs PROFILE VIRTUAL)
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(indices extern-keyword gr-names)
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(get (index) (subword SF (reg h-registers index) 0))
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(set (index newval) (set (reg h-registers index) (subword SI newval 0)))
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)
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;; define processor status bits as physical hardware
|
||
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(define-pmacro (psw-h-bit name cmt)
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(dsh name cmt () (register BI)))
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(psw-h-bit h-zbit "integer zero bit")
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(psw-h-bit h-nbit "integer neg bit")
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(psw-h-bit h-cbit "integer carry bit")
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(psw-h-bit h-vbit "integer overflow bit")
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(psw-h-bit h-vsbit "integer overflow sticky")
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(psw-h-bit h-bzbit "floating point zero bit")
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(psw-h-bit h-bnbit "floating point neg bit")
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(psw-h-bit h-bvbit "floating point ovfl bit")
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(psw-h-bit h-bubit "floating point underfl bit")
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(psw-h-bit h-bibit "floating point invalid bit")
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(psw-h-bit h-bcbit "floating point carry bit")
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(psw-h-bit h-bvsbit "floating point overflow sticky")
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(psw-h-bit h-bisbit "floating point invalid sticky")
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(psw-h-bit h-busbit "floating point underflow sticky")
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(psw-h-bit h-expcause0bit "exceprion cause bit0")
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(psw-h-bit h-expcause1bit "exceprion cause bit1")
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(psw-h-bit h-expcause2bit "external load stalled bit")
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(psw-h-bit h-extFstallbit "external fetch stalled bit")
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(psw-h-bit h-trmbit "0=round to nearest, 1=trunacte select bit")
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(psw-h-bit h-invExcEnbit "invalid exception enable bit")
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(psw-h-bit h-ovfExcEnbit "overflow exception enable bit")
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(psw-h-bit h-unExcEnbit "underflow exception enablebit ")
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(psw-h-bit h-timer0bit0 "timer 0 mode selection 0")
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(psw-h-bit h-timer0bit1 "timer 0 mode selection 1")
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(psw-h-bit h-timer0bit2 "timer 0 mode selection 2")
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(psw-h-bit h-timer0bit3 "timer 0 mode selection 3")
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(psw-h-bit h-timer1bit0 "timer 1 mode selection 0")
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(psw-h-bit h-timer1bit1 "timer 1 mode selection 1")
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(psw-h-bit h-timer1bit2 "timer 1 mode selection 2")
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(psw-h-bit h-timer1bit3 "timer 1 mode selection 3")
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|
||
(psw-h-bit h-mbkptEnbit "multicore bkpt enable")
|
||
(psw-h-bit h-clockGateEnbit "clock gating enable bkpt enable")
|
||
|
||
|
||
(psw-h-bit h-coreCfgResBit12 "core config bit 12")
|
||
(psw-h-bit h-coreCfgResBit13 "core config bit 13")
|
||
(psw-h-bit h-coreCfgResBit14 "core config bit 14")
|
||
(psw-h-bit h-coreCfgResBit15 "core config bit 15")
|
||
(psw-h-bit h-coreCfgResBit16 "core config bit 16")
|
||
|
||
|
||
(psw-h-bit h-coreCfgResBit20 "core config bit 20")
|
||
(psw-h-bit h-coreCfgResBit21 "core config bit 21")
|
||
|
||
(psw-h-bit h-coreCfgResBit24 "core config bit 24")
|
||
(psw-h-bit h-coreCfgResBit25 "core config bit 25")
|
||
(psw-h-bit h-coreCfgResBit26 "core config bit 26")
|
||
(psw-h-bit h-coreCfgResBit27 "core config bit 27")
|
||
(psw-h-bit h-coreCfgResBit28 "core config bit 28")
|
||
(psw-h-bit h-coreCfgResBit29 "core config bit 29")
|
||
(psw-h-bit h-coreCfgResBit30 "core config bit 30")
|
||
(psw-h-bit h-coreCfgResBit31 "core config bit 31")
|
||
|
||
|
||
(psw-h-bit h-arithmetic-modebit0 "arithmetic mode bit0")
|
||
(psw-h-bit h-arithmetic-modebit1 "arithmetic mode bit1")
|
||
(psw-h-bit h-arithmetic-modebit2 "arithmetic mode bit2")
|
||
|
||
|
||
(psw-h-bit h-gidisablebit "global interrupt disable bit")
|
||
(psw-h-bit h-kmbit "kernel mode bit")
|
||
(psw-h-bit h-caibit "core active indicator mode bit")
|
||
(psw-h-bit h-sflagbit "sflag bit")
|
||
|
||
|
||
; Define operands for each of the physical bits
|
||
(define-pmacro (psw-bit name hname cmt)
|
||
(dnop name cmt (SEM-ONLY) hname f-nil)
|
||
)
|
||
|
||
(psw-bit zbit h-zbit "integer zero bit")
|
||
(psw-bit nbit h-nbit "integer neg bit")
|
||
(psw-bit cbit h-cbit "integer carry bit")
|
||
(psw-bit vbit h-vbit "integer overflow bit")
|
||
|
||
(psw-bit bzbit h-bzbit "floating point zero bit")
|
||
(psw-bit bnbit h-bnbit "floating point neg bit")
|
||
(psw-bit bvbit h-bvbit "floating point ovfl bit")
|
||
(psw-bit bcbit h-bcbit "floating point carry bit")
|
||
|
||
(psw-bit bubit h-bubit "floating point underfl bit")
|
||
(psw-bit bibit h-bibit "floating point invalid bit")
|
||
|
||
|
||
(psw-bit vsbit h-vsbit "integer overflow sticky")
|
||
(psw-bit bvsbit h-bvsbit "floating point overflow sticky")
|
||
(psw-bit bisbit h-bisbit "floating point invalid sticky")
|
||
(psw-bit busbit h-busbit "floating point underflow sticky")
|
||
(psw-bit expcause0bit h-expcause0bit "exceprion cause bit0")
|
||
(psw-bit expcause1bit h-expcause1bit "exceprion cause bit1")
|
||
|
||
|
||
(psw-bit expcause2bit h-expcause2bit "external load stalled bit")
|
||
(psw-bit extFstallbit h-extFstallbit "external fetch stalled bit")
|
||
|
||
(psw-bit trmbit h-trmbit "0=round to nearest, 1=trunacte selct bit")
|
||
(psw-bit invExcEnbit h-invExcEnbit "invalid exception enable bit")
|
||
(psw-bit ovfExcEnbit h-ovfExcEnbit "overflow exception enable bit")
|
||
(psw-bit unExcEnbit h-unExcEnbit "underflow exception enable bit")
|
||
|
||
(psw-bit timer0bit0 h-timer0bit0 "timer 0 mode selection 0")
|
||
(psw-bit timer0bit1 h-timer0bit1 "timer 0 mode selection 1")
|
||
(psw-bit timer0bit2 h-timer0bit2 "timer 0 mode selection 2")
|
||
(psw-bit timer0bit3 h-timer0bit3 "timer 0 mode selection 3")
|
||
|
||
(psw-bit timer1bit0 h-timer1bit0 "timer 1 mode selection 0")
|
||
(psw-bit timer1bit1 h-timer1bit1 "timer 1 mode selection 1")
|
||
(psw-bit timer1bit2 h-timer1bit2 "timer 1 mode selection 2")
|
||
(psw-bit timer1bit3 h-timer1bit3 "timer 1 mode selection 3")
|
||
|
||
(psw-bit mbkptEnbit h-mbkptEnbit "multicore bkpt enable")
|
||
(psw-bit clockGateEnbit h-clockGateEnbit "clock gate enable enable")
|
||
|
||
(psw-bit arithmetic-modebit0 h-arithmetic-modebit0 "arithmetic mode bit0")
|
||
(psw-bit arithmetic-modebit1 h-arithmetic-modebit1 "arithmetic mode bit1")
|
||
(psw-bit arithmetic-modebit2 h-arithmetic-modebit2 "arithmetic mode bit2")
|
||
|
||
(psw-bit coreCfgResBit12 h-coreCfgResBit12 "core config bit 12")
|
||
(psw-bit coreCfgResBit13 h-coreCfgResBit13 "core config bit 13")
|
||
(psw-bit coreCfgResBit14 h-coreCfgResBit14 "core config bit 14")
|
||
(psw-bit coreCfgResBit15 h-coreCfgResBit15 "core config bit 15")
|
||
(psw-bit coreCfgResBit16 h-coreCfgResBit16 "core config bit 16")
|
||
|
||
(psw-bit coreCfgResBit20 h-coreCfgResBit20 "core config bit 20")
|
||
(psw-bit coreCfgResBit21 h-coreCfgResBit21 "core config bit 21")
|
||
|
||
(psw-bit coreCfgResBit24 h-coreCfgResBit24 "core config bit 24")
|
||
(psw-bit coreCfgResBit25 h-coreCfgResBit25 "core config bit 25")
|
||
(psw-bit coreCfgResBit26 h-coreCfgResBit26 "core config bit 26")
|
||
(psw-bit coreCfgResBit27 h-coreCfgResBit27 "core config bit 27")
|
||
(psw-bit coreCfgResBit28 h-coreCfgResBit28 "core config bit 28")
|
||
(psw-bit coreCfgResBit29 h-coreCfgResBit29 "core config bit 29")
|
||
(psw-bit coreCfgResBit30 h-coreCfgResBit30 "core config bit 30")
|
||
(psw-bit coreCfgResBit31 h-coreCfgResBit31 "core config bit 31")
|
||
|
||
|
||
(psw-bit gidisablebit h-gidisablebit "global interrupt disable bit")
|
||
(psw-bit kmbit h-kmbit "kernel mode bit")
|
||
(psw-bit caibit h-caibit "core actibe indicator bit")
|
||
(psw-bit sflagbit h-sflagbit "sflag bit")
|
||
|
||
|
||
|
||
|
||
;; Special registers - accessed via MOVTS and MOVFS.
|
||
;;
|
||
;; "Core control and status" in group MR0=0, MR1=0
|
||
|
||
(define-keyword
|
||
(name cr-names)
|
||
(print-name h-core-registers)
|
||
(prefix "")
|
||
(values (config 0)
|
||
(status 1) ; unified condition codes
|
||
(pc 2) ; virtualized PC
|
||
(debug 3);
|
||
(iab 4)
|
||
(lc 5);loop counter Not impemented
|
||
(ls 6);loop start address Not impemented
|
||
(le 7);loop end address Not impemented
|
||
(iret 8)
|
||
(imask 9)
|
||
(ilat 10)
|
||
(ilatst 11)
|
||
(ilatcl 12)
|
||
(ipend 13)
|
||
(ctimer0 14)
|
||
(ctimer1 15)
|
||
(hstatus 16)
|
||
)
|
||
)
|
||
;; DMA registers in group MR0=1, MR1=0
|
||
|
||
(define-keyword
|
||
(name crdma-names)
|
||
(print-name h-coredma-registers)
|
||
(prefix "")
|
||
(values
|
||
|
||
|
||
(dma0config 0)
|
||
(dma0stride 1)
|
||
(dma0count 2)
|
||
|
||
(dma0srcaddr 3)
|
||
(dma0dstaddr 4)
|
||
|
||
(dma0auto0 5)
|
||
(dma0auto1 6)
|
||
|
||
(dma0status 7)
|
||
|
||
(dma1config 8)
|
||
(dma1stride 9)
|
||
(dma1count 10)
|
||
|
||
(dma1srcaddr 11)
|
||
(dma1dstaddr 12)
|
||
|
||
(dma1auto0 13)
|
||
(dma1auto1 14)
|
||
|
||
(dma1status 15)
|
||
|
||
)
|
||
)
|
||
;; mem configuration registers in group MR0=0, MR1=1
|
||
|
||
(define-keyword
|
||
(name crmem-names)
|
||
(print-name h-coremem-registers)
|
||
(prefix "")
|
||
(values
|
||
(memconfig 0)
|
||
(memstatus 1)
|
||
(memprotect 2)
|
||
(memreserve 3)
|
||
)
|
||
)
|
||
|
||
;; mesh configuration registers in group MR0=1, MR1=1
|
||
|
||
(define-keyword
|
||
(name crmesh-names)
|
||
(print-name h-coremesh-registers)
|
||
(prefix "")
|
||
|
||
(values
|
||
|
||
|
||
(meshconfig 0)
|
||
(coreid 1)
|
||
(meshmulticast 2)
|
||
(swreset 3)
|
||
)
|
||
)
|
||
|
||
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; PC is a byte-addressed register
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(dnh h-pc "program counter" (PC PROFILE) (pc) () () ())
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; Memory Effective Address wants to be visible
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(dnh h-memaddr "memory effective address" (PROFILE) (register SI) () () ())
|
||
(dnop memaddr "memory effective address" (SEM-ONLY) h-memaddr f-nil)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; Special Core Registers
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; STATUS
|
||
;; [0]=core active indicator
|
||
;; [1]=global interrupt disable
|
||
;; [2]=processor mode(1=user mode, 0=kernel mode)
|
||
;; [3]=wired AND global flag
|
||
|
||
;; [4]=integer zero zbit
|
||
;; [5]=integer negative nbit
|
||
;; [6]=integer carry cbit
|
||
;; [7]=integer overflow vbit
|
||
|
||
;; [8]=fpu zero flag bzbit
|
||
;; [9]=fpu negative flag bnbit
|
||
;; [10]=fpu overflow flag bvbit
|
||
;; [11]=fpu carry flag(not used) bcbit
|
||
|
||
;; [12]=ialu overflow flag(sticky) vsbit
|
||
;; [13]=fpu invalid flag(sticky) bisbit
|
||
;; [14]=fpu overflow flag(sticky) bvsbit
|
||
;; [15]=fpu underflow flag(sticky) busbit
|
||
|
||
;; [17:16]=exception cause 00=no exception 01=load-store exception 10=fpu exception 11=unimplemented instruction
|
||
;; expcause1bit
|
||
;; expcause0bit
|
||
|
||
;; [18]=external load stalled expcause2bit
|
||
;; [19]=external fetch stalled extFstallbit
|
||
|
||
;; [31:20]=RESERVED
|
||
|
||
|
||
|
||
|
||
|
||
(define-hardware
|
||
(name h-core-registers)
|
||
(comment "Special Core Registers")
|
||
(type register USI (17))
|
||
(attrs)
|
||
(indices extern-keyword cr-names)
|
||
(get (index)
|
||
(cond USI
|
||
((eq index (const 1)) ; STATUS reg ?
|
||
(or (or (or (or (sll USI kmbit (const 2))
|
||
(sll USI gidisablebit (const 1)))
|
||
(or (or (sll USI expcause1bit (const 17))
|
||
(sll USI expcause0bit (const 16)))
|
||
(or (sll USI expcause2bit (const 18))
|
||
(sll USI extFstallbit (const 19)))))
|
||
(or (or (or (sll USI busbit (const 15))
|
||
(sll USI bisbit (const 13)))
|
||
(or (sll USI bvsbit (const 14))
|
||
(sll USI vsbit (const 12))))
|
||
(or (or (sll USI bvbit (const 10))
|
||
(sll USI bcbit (const 11)))
|
||
(or (sll USI bnbit (const 9))
|
||
(sll USI bzbit (const 8))))))
|
||
(or (or (or (sll USI vbit (const 7))
|
||
(sll USI cbit (const 6)))
|
||
(or (sll USI nbit (const 5))
|
||
(sll USI zbit (const 4))))
|
||
(or (sll USI sflagbit (const 3))
|
||
(sll USI (const 1) (const 0)))))) ;caibit
|
||
((eq index (const 0)) ; Config reg ?
|
||
(or (or (or (or (or (or (sll USI timer0bit2 (const 6))
|
||
(sll USI timer0bit3 (const 7)))
|
||
(or (or (sll USI coreCfgResBit28 (const 28))
|
||
(sll USI coreCfgResBit29 (const 29)))
|
||
(or (sll USI coreCfgResBit30 (const 30))
|
||
(sll USI coreCfgResBit31 (const 31)))))
|
||
(or (or (sll USI coreCfgResBit24 (const 24))
|
||
(sll USI coreCfgResBit25 (const 25)))
|
||
(or (sll USI coreCfgResBit26 (const 26))
|
||
(sll USI coreCfgResBit27 (const 27)))))
|
||
(or (or (sll USI timer0bit0 (const 4))
|
||
(sll USI timer0bit1 (const 5)))
|
||
(or (sll USI coreCfgResBit14 (const 14))
|
||
(sll USI coreCfgResBit15 (const 15)))))
|
||
(or (or (or (or (sll USI timer1bit2 (const 10))
|
||
(sll USI timer1bit3 (const 11)))
|
||
(or (sll USI coreCfgResBit12 (const 12))
|
||
(sll USI coreCfgResBit13 (const 13))))
|
||
(or (sll USI clockGateEnbit (const 22))
|
||
(sll USI mbkptEnbit (const 23))))
|
||
(or (or (sll USI timer1bit0 (const 8))
|
||
(sll USI timer1bit1 (const 9)))
|
||
(or (sll USI coreCfgResBit20 (const 20))
|
||
(sll USI coreCfgResBit21 (const 21))))))
|
||
(or (or (sll USI invExcEnbit (const 1))
|
||
(sll USI ovfExcEnbit (const 2)))
|
||
(or (or (sll USI trmbit (const 0))
|
||
(sll USI unExcEnbit (const 3)))
|
||
(or (or (sll USI arithmetic-modebit0 (const 17))
|
||
(sll USI arithmetic-modebit1 (const 18)))
|
||
(or (sll USI arithmetic-modebit2 (const 19))
|
||
(sll USI coreCfgResBit16 (const 16)))))))) ;config reg
|
||
|
||
((eq index (const 2)) (raw-reg USI h-pc)) ;PC reg
|
||
|
||
(else (raw-reg USI h-core-registers index))))
|
||
|
||
(set (index val)
|
||
(cond VOID
|
||
((eq index (const 0)) ; CONFIG reg
|
||
(sequence ()
|
||
(set trmbit (and (const 1) (srl val (const 0))))
|
||
(set invExcEnbit (and (const 1) (srl val (const 1))))
|
||
(set ovfExcEnbit (and (const 1) (srl val (const 2))))
|
||
(set unExcEnbit (and (const 1) (srl val (const 3))))
|
||
(set timer0bit0 (and (const 1) (srl val (const 4))))
|
||
(set timer0bit1 (and (const 1) (srl val (const 5))))
|
||
(set timer0bit2 (and (const 1) (srl val (const 6))))
|
||
(set timer0bit3 (and (const 1) (srl val (const 7))))
|
||
(set timer1bit0 (and (const 1) (srl val (const 8))))
|
||
(set timer1bit1 (and (const 1) (srl val (const 9))))
|
||
(set timer1bit2 (and (const 1) (srl val (const 10))))
|
||
(set timer1bit3 (and (const 1) (srl val (const 11))))
|
||
|
||
(set coreCfgResBit12 (and (const 1) (srl val (const 12))))
|
||
(set coreCfgResBit13 (and (const 1) (srl val (const 13))))
|
||
(set coreCfgResBit14 (and (const 1) (srl val (const 14))))
|
||
(set coreCfgResBit15 (and (const 1) (srl val (const 15))))
|
||
(set coreCfgResBit16 (and (const 1) (srl val (const 16))))
|
||
|
||
(set arithmetic-modebit0 (and (const 1) (srl val (const 17))))
|
||
(set arithmetic-modebit1 (and (const 1) (srl val (const 18))))
|
||
(set arithmetic-modebit2 (and (const 1) (srl val (const 19))))
|
||
|
||
(set coreCfgResBit20 (and (const 1) (srl val (const 20))))
|
||
(set coreCfgResBit21 (and (const 1) (srl val (const 21))))
|
||
|
||
(set clockGateEnbit (and (const 1) (srl val (const 22))))
|
||
(set mbkptEnbit (and (const 1) (srl val (const 23))))
|
||
|
||
(set coreCfgResBit24 (and (const 1) (srl val (const 24))))
|
||
(set coreCfgResBit25 (and (const 1) (srl val (const 25))))
|
||
(set coreCfgResBit26 (and (const 1) (srl val (const 26))))
|
||
(set coreCfgResBit27 (and (const 1) (srl val (const 27))))
|
||
(set coreCfgResBit28 (and (const 1) (srl val (const 28))))
|
||
(set coreCfgResBit29 (and (const 1) (srl val (const 29))))
|
||
(set coreCfgResBit30 (and (const 1) (srl val (const 30))))
|
||
(set coreCfgResBit31 (and (const 1) (srl val (const 31))))
|
||
|
||
(set (raw-reg USI h-core-registers index) val)
|
||
;; check LSB of CONFIG for rounding mode
|
||
(c-call "epiphany_set_rounding_mode" val)
|
||
)
|
||
)
|
||
((eq index (const 1)) ;STATUS reg ; TODO check which bits can be set or clear
|
||
(sequence ((USI newval))
|
||
(set newval (and val (const #xfff2)))
|
||
(set extFstallbit (and (const 1) (srl newval (const 19))))
|
||
(set expcause2bit (and (const 1) (srl newval (const 18))))
|
||
(set expcause1bit (and (const 1) (srl newval (const 17))))
|
||
(set expcause0bit (and (const 1) (srl newval (const 16))))
|
||
(set busbit (and (const 1) (srl newval (const 15))))
|
||
(set bisbit (and (const 1) (srl newval (const 13))))
|
||
(set bvsbit (and (const 1) (srl newval (const 14))))
|
||
(set vsbit (and (const 1) (srl newval (const 12))))
|
||
(set bvbit (and (const 1) (srl newval (const 10))))
|
||
(set bcbit (and (const 1) (srl newval (const 11))))
|
||
(set bnbit (and (const 1) (srl newval (const 9))))
|
||
(set bzbit (and (const 1) (srl newval (const 8))))
|
||
(set vbit (and (const 1) (srl newval (const 7))))
|
||
(set cbit (and (const 1) (srl newval (const 6))))
|
||
(set nbit (and (const 1) (srl newval (const 5))))
|
||
(set zbit (and (const 1) (srl newval (const 4))))
|
||
(set sflagbit (and (const 1) (srl newval (const 3))))
|
||
(set kmbit (and (const 1) (srl newval (const 2))))
|
||
;;(set gie (and (const 1) (srl newval (const 1))))
|
||
(set (raw-reg SI h-core-registers (const 1)) newval)
|
||
))
|
||
;; causes simulator errors
|
||
;; ((eq index (const 2)) ;PC reg
|
||
;; (set pc val))
|
||
|
||
(else (set (raw-reg USI h-core-registers index) val))
|
||
))
|
||
)
|
||
; (define-pmacro (hcr-config) (reg h-core-registers 0)) etc.
|
||
(.splice begin (.unsplice (.map
|
||
(.pmacro (xname xnum)
|
||
(define-pmacro ((.sym hcr- xname)) (reg h-core-registers xnum)))
|
||
|
||
(
|
||
config
|
||
status
|
||
pc
|
||
debug
|
||
iab
|
||
lc
|
||
ls
|
||
le
|
||
iret
|
||
imask
|
||
ilat
|
||
ilatst
|
||
ilatcl
|
||
ipend
|
||
ctimer0
|
||
ctimer1
|
||
hstatus
|
||
|
||
|
||
|
||
)
|
||
|
||
(0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
|
||
)
|
||
)))
|
||
|
||
|
||
|
||
;; DMA registers in MMR space
|
||
(define-hardware
|
||
(name h-coredma-registers)
|
||
(comment "DMA registers in MMR space")
|
||
(type register USI (16))
|
||
(attrs)
|
||
(indices extern-keyword crdma-names)
|
||
)
|
||
|
||
;; MEM registers in MMR space
|
||
(define-hardware
|
||
(name h-coremem-registers)
|
||
(comment "MEM registers in MMR space")
|
||
(type register USI (4))
|
||
(attrs)
|
||
(indices extern-keyword crmem-names)
|
||
)
|
||
|
||
;; MEM registers in MMR space
|
||
(define-hardware
|
||
(name h-coremesh-registers)
|
||
(comment "MESH registers in MMR space")
|
||
(type register USI (4))
|
||
(attrs)
|
||
(indices extern-keyword crmesh-names)
|
||
)
|
||
|
||
|
||
|
||
; Operands
|
||
|
||
; Branch displacements
|
||
(define-operand
|
||
(name simm24)
|
||
(comment "branch address pc-relative")
|
||
(attrs RELAX)
|
||
(type h-iaddr)
|
||
(index f-simm24)
|
||
(handlers (parse "branch_addr")))
|
||
|
||
(define-operand
|
||
(name simm8)
|
||
(comment "branch address pc-relative")
|
||
(attrs RELAX)
|
||
(type h-iaddr)
|
||
(index f-simm8)
|
||
(handlers (parse "branch_addr")))
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; Register operands
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-pmacro (short-regs nm group hw cmt)
|
||
(define-operand
|
||
(name nm)
|
||
(comment cmt)
|
||
(attrs)
|
||
(type hw)
|
||
(index (.sym "f-r" group))
|
||
(handlers (parse "shortregs") (print "keyword"))
|
||
)
|
||
)
|
||
|
||
(define-pmacro (short-regs-core nm group hw cmt)
|
||
(define-operand
|
||
(name nm)
|
||
(comment cmt)
|
||
(attrs)
|
||
(type hw)
|
||
(index (.sym "f-s" group))
|
||
(handlers (parse "shortregs") (print "keyword"))
|
||
)
|
||
)
|
||
|
||
|
||
; short regs (0-7)
|
||
(short-regs rd d h-registers "destination register")
|
||
(short-regs rn n h-registers "source register")
|
||
(short-regs rm m h-registers "source register")
|
||
|
||
(short-regs frd d h-fpregisters "fp destination register")
|
||
(short-regs frn n h-fpregisters "fp source register")
|
||
(short-regs frm m h-fpregisters "fp source register")
|
||
|
||
; long regs (0-63)
|
||
(dnop rd6 "destination register" () h-registers f-rd6)
|
||
(dnop rn6 "source register" () h-registers f-rn6)
|
||
(dnop rm6 "source register" () h-registers f-rm6)
|
||
|
||
(dnop frd6 "fp destination register" () h-fpregisters f-rd6)
|
||
(dnop frn6 "fp source register" () h-fpregisters f-rn6)
|
||
(dnop frm6 "fp source register" () h-fpregisters f-rm6)
|
||
|
||
; special regs (0-7)
|
||
(short-regs-core sd d h-core-registers "special destination")
|
||
(short-regs-core sn n h-core-registers "special source")
|
||
|
||
; special regs (long form)
|
||
(dnop sd6 "special destination register" () h-core-registers f-sd6)
|
||
(dnop sn6 "special source register" () h-core-registers f-sn6)
|
||
|
||
(dnop sddma "dma register" () h-coredma-registers f-sd6)
|
||
(dnop sndma "dma register" () h-coredma-registers f-sn6)
|
||
(dnop sdmem "mem register" () h-coremem-registers f-sd6)
|
||
(dnop snmem "mem register" () h-coremem-registers f-sn6)
|
||
(dnop sdmesh "mesh register" () h-coremesh-registers f-sd6)
|
||
(dnop snmesh "mesh register" () h-coremesh-registers f-sn6)
|
||
|
||
; Immediate literals - but don't allow register names!
|
||
(define-pmacro (dimmop nm cmt hwtype idx)
|
||
(define-operand (name nm) (comment cmt) (type hwtype) (index idx)
|
||
(attrs RELAX)
|
||
(handlers (parse "simm_not_reg")
|
||
(print "simm_not_reg")))
|
||
)
|
||
|
||
(dimmop simm3 "signed 3-bit literal" h-sint f-sdisp3)
|
||
(dimmop simm11 "signed 11-bit literal" h-sint f-sdisp11)
|
||
(dnop disp3 "short data displacement" () h-uint f-disp3)
|
||
(dnop trapnum6 "parameter for swi or trap" () h-uint f-trap-num)
|
||
|
||
(define-pmacro (duimmop nm cmt hwtype idx)
|
||
(define-operand (name nm) (comment cmt) (type hwtype) (index idx)
|
||
(attrs)
|
||
(handlers (parse "uimm_not_reg")
|
||
(print "uimm_not_reg")))
|
||
)
|
||
|
||
(duimmop swi_num "unsigned 6-bit swi#" h-uint f-trap-num)
|
||
(duimmop disp11 "sign-magnitude data displacement" h-uint f-disp11)
|
||
|
||
(dnop shift "immediate shift amount" () h-uint f-shift)
|
||
|
||
(define-operand (name imm16) (comment "16-bit unsigned literal") (attrs RELAX)
|
||
(type h-addr) (index f-imm16) (handlers (parse "imm16")))
|
||
(define-operand (name imm8) (comment "8-bit unsigned literal") (attrs RELAX)
|
||
(type h-addr) (index f-imm8) (handlers (parse "imm8")))
|
||
|
||
(define-operand
|
||
(name direction)
|
||
(comment "+/- indexing")
|
||
(attrs)
|
||
(type h-uint)
|
||
(index f-addsubx)
|
||
(handlers (parse "postindex")
|
||
(print "postindex")))
|
||
|
||
(define-operand
|
||
(name dpmi)
|
||
(comment "+/- magnitude immediate displacement")
|
||
(attrs)
|
||
(type h-uint)
|
||
(index f-subd)
|
||
(handlers (parse "postindex")
|
||
(print "postindex")))
|
||
|
||
|
||
|
||
;; call exception macro - no check for imask
|
||
(define-pmacro (call-exception vaddr bit-in-ilat)
|
||
(if (eq gidisablebit 0)
|
||
(if (eq (and (hcr-imask) bit-in-ilat) 0)
|
||
(sequence ()
|
||
(set kmbit 1)
|
||
(set gidisablebit 1)
|
||
(set (hcr-iret) (add pc (const 2)))
|
||
(set (hcr-ipend) (or (hcr-ipend) (const bit-in-ilat)))
|
||
(set pc (const vaddr))
|
||
|
||
)
|
||
;; schedule interrupt
|
||
(set (hcr-ilat) (or (hcr-ilat) (const bit-in-ilat)))
|
||
)
|
||
)
|
||
)
|
||
|
||
|
||
;; (lc 5);loop counter Not impemented
|
||
;; (ls 6);loop start address Not impemented
|
||
;; (le 7);loop end address Not impemented
|
||
|
||
;;have callback to adjust pc in case od events ( HW loops ... )
|
||
(define-pmacro (dni_wrapper isnid stdrdesc attr_ strassembl iopcode proceed null_b)
|
||
(begin
|
||
(dni isnid stdrdesc attr_ strassembl iopcode
|
||
(sequence () proceed
|
||
(sequence ((USI tmpPC))
|
||
;;(set tmpPC (c-call USI "epiphany_post_isn_callback" pc))
|
||
|
||
(if (eq pc (hcr-le))
|
||
(set (hcr-lc) (sub (hcr-lc) #x1)))
|
||
(if (and
|
||
(eq pc (hcr-le))
|
||
(not (eq (hcr-lc) #x0)))
|
||
(set pc (hcr-ls)))
|
||
)
|
||
)
|
||
null_b)
|
||
)
|
||
)
|
||
|
||
|
||
|
||
|
||
|
||
;; Some handy macros
|
||
;;
|
||
|
||
;; define instructions
|
||
;; Short (16 bit forms) must appear first so that instruction
|
||
;; selection can reject them and match long forms when registers
|
||
;; or immediates exceed the values in the 16 bit instructions
|
||
|
||
|
||
;; B<COND> SIMM8
|
||
;; B<COND> SIMM24
|
||
|
||
(define-pmacro (br-insn name cond g-op)
|
||
(begin
|
||
; the 16-bit versions of branch
|
||
(dni (.sym "b" name "16")
|
||
(.str "Conditional Branch - 16 bit" name)
|
||
(COND-CTI SHORT-INSN)
|
||
(.str "b" name ".s $simm8")
|
||
(+ OP4_BRANCH16 (.sym "OPC_" cond) simm8)
|
||
(if (g-op)
|
||
(set pc simm8)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "b" name "16r") "relaxable conditional branch"
|
||
(COND-CTI RELAXABLE)
|
||
(.str "b" name " $simm8")
|
||
(emit (.sym "b" name "16") simm8)
|
||
)
|
||
|
||
(dni (.sym "b" name)
|
||
(.str "Conditional Branch " name)
|
||
(COND-CTI)
|
||
(.str "b" name ".l $simm24")
|
||
(+ OP4_BRANCH (.sym "OPC_" cond) simm24)
|
||
(if (g-op)
|
||
(set pc simm24)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "b" name "32r") "relaxable conditional branch"
|
||
(COND-CTI RELAXED)
|
||
(.str "b" name " $simm24")
|
||
(emit (.sym "b" name) simm24)
|
||
)
|
||
)
|
||
)
|
||
|
||
|
||
; basic conditional branches for integer arithmetic
|
||
(br-insn "eq" EQ (.pmacro () (eq zbit #x1)))
|
||
(br-insn "ne" NE (.pmacro () (eq zbit #x0)))
|
||
(br-insn "gtu" GTU (.pmacro () (and BI cbit (not BI zbit))))
|
||
(br-insn "gteu" GTEU (.pmacro () (eq cbit #x1)))
|
||
(br-insn "lteu" LTEU (.pmacro () (or BI (not BI cbit) zbit)))
|
||
(br-insn "ltu" LTU (.pmacro () (eq cbit #x0)))
|
||
(br-insn "gt" GT (.pmacro () (and BI (not BI zbit) (eq vbit nbit))))
|
||
(br-insn "gte" GTE (.pmacro () (eq vbit nbit)))
|
||
(br-insn "lt" LT (.pmacro () (xor BI vbit nbit)))
|
||
(br-insn "lte" LTE (.pmacro () (or BI zbit (xor vbit nbit))))
|
||
|
||
|
||
; floating point condition codes (floating point instructions)
|
||
(br-insn "beq" BEQ (.pmacro () (or BI bzbit bzbit)))
|
||
(br-insn "bne" BNE (.pmacro () (not BI bzbit)))
|
||
(br-insn "blt" BLT (.pmacro () (and BI bnbit (not bzbit))))
|
||
(br-insn "blte" BLTE (.pmacro () (or BI bnbit bzbit)))
|
||
|
||
; unconditional branches
|
||
(dni b16 "short unconditional branch" (UNCOND-CTI SHORT-INSN)
|
||
"b.s $simm8"
|
||
(+ OP4_BRANCH16 OPC_B simm8)
|
||
(set pc simm8)
|
||
()
|
||
)
|
||
|
||
(dnmi b16r "relaxable b16"
|
||
(UNCOND-CTI RELAXABLE)
|
||
"b $simm8"
|
||
(emit b16 simm8)
|
||
)
|
||
|
||
(dni b "long unconditional branch" (UNCOND-CTI)
|
||
"b.l $simm24"
|
||
(+ OP4_BRANCH OPC_B simm24)
|
||
(set pc simm24)
|
||
()
|
||
)
|
||
|
||
(dnmi b32r "relaxable b"
|
||
(UNCOND-CTI RELAXED)
|
||
"b $simm24"
|
||
(emit b simm24))
|
||
|
||
;; BL R,ADDR
|
||
|
||
(dni bl16 "branch and link"
|
||
(UNCOND-CTI SHORT-INSN)
|
||
("bl.s $simm8")
|
||
(+ OP4_BRANCH16 OPC_BL simm8)
|
||
(sequence ()
|
||
(set (reg h-registers 14) (add pc (const 2)))
|
||
(set pc simm8))
|
||
()
|
||
)
|
||
|
||
(dnmi bl16r "bl16 relaxable"
|
||
(UNCOND-CTI RELAXABLE)
|
||
"bl $simm8"
|
||
(emit bl16 simm8))
|
||
|
||
(dni bl "branch and link"
|
||
(UNCOND-CTI)
|
||
("bl.l $simm24")
|
||
(+ OP4_BRANCH OPC_BL simm24)
|
||
(sequence ()
|
||
(set (reg h-registers 14) (add pc (const 4)))
|
||
(set pc simm24))
|
||
()
|
||
)
|
||
|
||
(dnmi blr "bl relaxable"
|
||
(UNCOND-CTI RELAXED)
|
||
"bl $simm24"
|
||
(emit bl simm24))
|
||
|
||
;; JUMP <RN>
|
||
(dni jr16 "unconditional jump 16"
|
||
(UNCOND-CTI SHORT-INSN)
|
||
("jr $rn")
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x14) (f-dc-15-3 #x0) (f-dc-9-1 #x0) rn)
|
||
(set pc rn)
|
||
()
|
||
)
|
||
|
||
;; RTS / JR
|
||
;; ??? Putting a constant into a multi-ifield does not work -
|
||
;; the constant gets inserted in full into each part.
|
||
;(dnmi rts "return from subroutine"
|
||
; (UNCOND-CTI)
|
||
; ("rts")
|
||
; (emit jr (rn6 14)) ; jr lr / jr r14
|
||
;)
|
||
;; RTS / JR
|
||
(dni rts "return from subroutine"
|
||
(ALIAS UNCOND-CTI)
|
||
("rts")
|
||
(+ OP4_MISC (f-opc-8-5 #x14) (f-opc-19-4 #x2) (f-rn 6) (f-rn-x 1)
|
||
(f-dc-9-1 #x0)
|
||
(f-dc-15-3 #x0)
|
||
(f-dc-25-6 #x0)
|
||
(f-dc-31-3 #x0)
|
||
)
|
||
(set pc (reg h-registers 14))
|
||
()
|
||
)
|
||
|
||
(dni jr "unconditional jump"
|
||
(UNCOND-CTI)
|
||
("jr $rn6")
|
||
(+ OP4_MISC (f-opc-8-5 #x14) (f-opc-19-4 #x2) rn6
|
||
(f-dc-9-1 #x0)
|
||
(f-dc-15-3 #x0)
|
||
(f-dc-25-6 #x0)
|
||
(f-dc-31-3 #x0)
|
||
)
|
||
(set pc rn6)
|
||
()
|
||
)
|
||
|
||
|
||
;; JALR <RN>
|
||
(dni jalr16 "jump and link register"
|
||
(UNCOND-CTI SHORT-INSN)
|
||
("jalr $rn")
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x15) (f-dc-15-3 #x0) (f-dc-9-1 #x0) rn)
|
||
(sequence ()
|
||
(set (reg h-registers 14) (add pc (const 2)))
|
||
(set pc rn)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni jalr "jump and link register"
|
||
(UNCOND-CTI)
|
||
("jalr $rn6")
|
||
(+ OP4_MISC
|
||
(f-opc-8-5 #x15)
|
||
(f-opc-19-4 #x2)
|
||
rn6
|
||
(f-dc-9-1 #x0)
|
||
(f-dc-15-3 #x0)
|
||
(f-dc-25-6 #x0)
|
||
(f-dc-31-3 #x0)
|
||
|
||
)
|
||
(sequence ()
|
||
(set (reg h-registers 14) (add pc (const 4)))
|
||
(set pc rn6))
|
||
()
|
||
)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; Load/Store Memory Instructions
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
|
||
(define-pmacro (callMisaligmentExceptionIfNeeded sel addr isAligmentAccess)
|
||
(sequence ((BI scale))
|
||
(set isAligmentAccess
|
||
(case BI sel
|
||
((OPW_BYTE) (eq (and addr #x0) #x0))
|
||
((OPW_SHORT) (eq (and addr #x1) #x0))
|
||
((OPW_WORD) (eq (and addr #x3) #x0))
|
||
(else (eq (and addr #x7) #x0))))
|
||
(if (not BI isAligmentAccess)
|
||
(call-exception #x4 #x2))
|
||
)
|
||
)
|
||
|
||
|
||
|
||
;; helper to convert size selector OPW_<mode> into a literal scale factor
|
||
(define-pmacro (ConvertSelectorToShift sel scale)
|
||
(set scale
|
||
(case SI sel
|
||
((OPW_BYTE) (const 0))
|
||
((OPW_SHORT) (const 1))
|
||
((OPW_WORD) (const 2))
|
||
(else (const 3))))
|
||
)
|
||
|
||
;; common load macros from effective address, handling 8/16/32/64 bits
|
||
(define-pmacro (load-double-from-ea regnum eff-addr mode sel)
|
||
(sequence ((SI loadaddr) (BI isAligmentAccess))
|
||
(set loadaddr eff-addr)
|
||
(callMisaligmentExceptionIfNeeded sel loadaddr isAligmentAccess)
|
||
|
||
(if (not (not BI isAligmentAccess))
|
||
(sequence ()
|
||
(set memaddr loadaddr)
|
||
(set regnum (mem SI loadaddr))
|
||
(set loadaddr (add loadaddr (const 4)))
|
||
(set memaddr loadaddr)
|
||
(set (reg h-registers
|
||
(add (index-of regnum)
|
||
(const 1)))
|
||
(mem SI loadaddr))
|
||
|
||
)
|
||
)
|
||
)
|
||
)
|
||
|
||
(define-pmacro (load-from-ea regnum eff-addr mode sel)
|
||
(sequence ((BI isAligmentAccess))
|
||
|
||
(callMisaligmentExceptionIfNeeded sel eff-addr isAligmentAccess)
|
||
(if (not (not BI isAligmentAccess))
|
||
(sequence ()
|
||
(set memaddr eff-addr)
|
||
(set regnum (zext SI (mem mode eff-addr)))
|
||
)
|
||
)
|
||
)
|
||
) ;; 8/16/32 bit cases
|
||
|
||
|
||
;; common store to effective address, handling 8/16/32/64 bit data
|
||
(define-pmacro (store-double-to-ea eff-addr regnum mode sel)
|
||
(sequence ((SI storeaddr) (BI isAligmentAccess))
|
||
(set storeaddr eff-addr)
|
||
(callMisaligmentExceptionIfNeeded sel storeaddr isAligmentAccess)
|
||
(if (not (not BI isAligmentAccess))
|
||
(sequence ()
|
||
(set memaddr storeaddr)
|
||
(set (mem SI storeaddr) regnum)
|
||
(set storeaddr (add storeaddr (const 4)))
|
||
(set memaddr storeaddr)
|
||
(set (mem SI storeaddr)
|
||
(reg h-registers (add (index-of regnum) (const 1))))
|
||
)
|
||
)
|
||
)
|
||
)
|
||
|
||
(define-pmacro (store-to-ea eff-addr regnum mode sel)
|
||
(sequence ((BI isAligmentAccess))
|
||
(callMisaligmentExceptionIfNeeded sel eff-addr isAligmentAccess)
|
||
(if (not (not BI isAligmentAccess))
|
||
(sequence ()
|
||
(set memaddr eff-addr)
|
||
(set (mem mode eff-addr) regnum)
|
||
)
|
||
)
|
||
)
|
||
) ;8/16/32 bit cases
|
||
|
||
|
||
(define-pmacro (load-insn name mode sel sem-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "x16.s")
|
||
(.str "load " mode " indexed")
|
||
(SHORT-INSN)
|
||
(.str name " $rd,[$rn,$rm]")
|
||
(+ OP4_LDSTR16X sel OP_LOAD rd rn rm)
|
||
(sequence ()
|
||
(sem-op rd (add rn rm) mode sel))
|
||
()
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym name "p16.s")
|
||
(.str "load " mode " postmodify")
|
||
(SHORT-INSN)
|
||
(.str name " $rd,[$rn],$rm")
|
||
(+ OP4_LDSTR16P sel OP_LOAD rd rn rm)
|
||
(sequence ((SI tmprm))
|
||
(set tmprm rm)
|
||
(sem-op rd rn mode sel)
|
||
(set rn (add rn tmprm)))
|
||
()
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym name "x.l")
|
||
(.str "load " mode " indexed")
|
||
()
|
||
(.str name " $rd6,[$rn6,$direction$rm6]")
|
||
(+ OP4_LDSTRX sel OP_LOAD (f-opc-19-4 #x0) (f-dc-22-1 #x0) (f-dc-21-1 #x0) rd6 rn6 direction rm6)
|
||
(sequence ()
|
||
(if (ifield f-addsubx)
|
||
(sem-op rd6 (sub rn6 rm6) mode sel)
|
||
(sem-op rd6 (add rn6 rm6) mode sel)))
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "x")
|
||
(.str "load " mode " indexed")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6,$direction$rm6]")
|
||
(emit (.sym name "x.l") rd6 rn6 direction rm6)
|
||
)
|
||
|
||
|
||
|
||
(dni_wrapper (.sym name "p.l")
|
||
(.str "load " mode " postmodify")
|
||
()
|
||
(.str name " $rd6,[$rn6],$direction$rm6")
|
||
(+ OP4_LDSTRP sel OP_LOAD (f-opc-19-4 #x0) (f-dc-22-2 #x0) rd6 rn6 direction rm6)
|
||
(sequence ((SI tmprm))
|
||
(set tmprm rm6)
|
||
(sem-op rd6 rn6 mode sel)
|
||
(if (ifield f-addsubx)
|
||
(set rn6 (sub rn6 tmprm))
|
||
(set rn6 (add rn6 tmprm)))
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dnmi (.sym name "p")
|
||
(.str "load " mode " postmodify")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6],$direction$rm6")
|
||
(emit (.sym name "p.l") rd6 rn6 direction rm6)
|
||
)
|
||
|
||
|
||
;;immediate modes last so reg forms found first.
|
||
(dni_wrapper (.sym name "d16.s")
|
||
(.str "load " mode " displacement")
|
||
(SHORT-INSN IMM3)
|
||
(.str name " $rd,[$rn,$disp3]")
|
||
(+ OP4_LDSTR16D sel OP_LOAD rd rn disp3) ;; convert size to 'B'
|
||
(sequence ((SI effa)
|
||
(SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(set effa (add rn (sll disp3 scale)))
|
||
(sem-op rd effa mode sel)
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym name "d.l")
|
||
(.str "load " mode " displacement")
|
||
()
|
||
(.str name " $rd6,[$rn6,$dpmi$disp11]")
|
||
(+ OP4_LDSTRD sel OP_LOAD PMOD_DISP rd6 rn6 dpmi disp11)
|
||
(sequence ((SI effa)
|
||
(SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(if dpmi
|
||
(set effa (sub rn6 (sll disp11 scale)))
|
||
(set effa (add rn6 (sll disp11 scale)))
|
||
)
|
||
(sem-op rd6 effa mode sel)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "d")
|
||
(.str "load " mode " displacement")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6,$dpmi$disp11]")
|
||
(emit (.sym name "d.l") rd6 rn6 dpmi disp11)
|
||
)
|
||
|
||
|
||
|
||
(dni_wrapper (.sym name "dpm.l")
|
||
(.str "load " mode " displacement post-modify")
|
||
()
|
||
(.str name " $rd6,[$rn6],$dpmi$disp11")
|
||
(+ OP4_LDSTRD sel OP_LOAD PMOD_POST rd6 rn6 dpmi disp11)
|
||
(sequence ((SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(sem-op rd6 rn6 mode sel)
|
||
(if dpmi
|
||
(set rn6 (sub rn6 (sll disp11 scale)))
|
||
(set rn6 (add rn6 (sll disp11 scale)))
|
||
)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "dpm")
|
||
(.str "load " mode " displacement post-modify")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6],$dpmi$disp11")
|
||
(emit (.sym name "dpm.l") rd6 rn6 dpmi disp11)
|
||
)
|
||
|
||
|
||
;; ;; macro form with a zero displacement
|
||
(dnmi (.sym name "ds0") "load with 0 disp"
|
||
(SHORT-INSN IMM3)
|
||
(.str name " $rd,[$rn]")
|
||
(emit (.sym name "d16.s") rd rn (disp3 0))
|
||
)
|
||
(dnmi (.sym name "dl0") "load with 0 disp"
|
||
(NO-DIS)
|
||
(.str name " $rd6,[$rn6]")
|
||
(emit (.sym name "d.l") rd6 rn6 (dpmi 0) (disp11 0))
|
||
)
|
||
(dnmi (.sym name "dl0.l") "load with 0 disp"
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6]")
|
||
(emit (.sym name "d.l") rd6 rn6 (dpmi 0) (disp11 0))
|
||
)
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(load-insn ldrb QI OPW_BYTE load-from-ea)
|
||
(load-insn ldrh HI OPW_SHORT load-from-ea)
|
||
(load-insn ldr SI OPW_WORD load-from-ea)
|
||
(load-insn ldrd DI OPW_DOUBLE load-double-from-ea)
|
||
|
||
|
||
|
||
|
||
;; TMP = MEM[RD+RM]; /* Copy content of memory to tmp. */
|
||
;; if (~TMP) /* Check if memory location is zero. */
|
||
;; MEM[RD+RM] = RD; /* If zero, write RD to memory. */
|
||
;; RD = TMP; /* Always write tmp into RD (NOTE it's destructive). */
|
||
|
||
|
||
(define-pmacro (testset-insn name mode sel)
|
||
(begin
|
||
|
||
|
||
(dni_wrapper (.sym name "t")
|
||
(.str "testset " mode " indexed")
|
||
()
|
||
(.str name " $rd6,[$rn6,$direction$rm6]")
|
||
(+ OP4_LDSTRX sel OP_LOAD (f-opc-19-4 #x0) (f-dc-22-1 #x0) (f-dc-21-1 #x1)
|
||
rd6 rn6 direction rm6)
|
||
(sequence ((SI tmemaddr) (SI tmpValReg))
|
||
|
||
;;back up register
|
||
(set tmpValReg rd6)
|
||
|
||
(if (ifield f-addsubx)
|
||
(set tmemaddr (sub rn6 rm6))
|
||
(set tmemaddr (add rn6 rm6))
|
||
)
|
||
;;always update rd
|
||
(load-from-ea rd6 tmemaddr mode sel)
|
||
;;if zero
|
||
(if rd6
|
||
(nop)
|
||
(set (mem mode tmemaddr) tmpValReg)
|
||
)
|
||
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dnmi (.sym name "t.l")
|
||
(.str "testset " mode ".l indexed")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6,$direction$rm6]")
|
||
(emit (.sym name "t") rd6 rn6 direction rm6)
|
||
)
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(testset-insn testsetb QI OPW_BYTE)
|
||
(testset-insn testseth HI OPW_SHORT)
|
||
(testset-insn testset SI OPW_WORD)
|
||
;;no double mode support, since we have to send the src address, data
|
||
;;(testset-insn testsetd DI OPW_DOUBLE load-double-from-ea)
|
||
|
||
|
||
|
||
;; need 16 bit forms too
|
||
(define-pmacro (store-insn name mode sel sem-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "x16")
|
||
(.str "store" mode " indexed")
|
||
(SHORT-INSN)
|
||
(.str name " $rd,[$rn,$rm]")
|
||
(+ OP4_LDSTR16X sel OP_STORE rd rn rm)
|
||
(sequence ()
|
||
(sem-op (add rn rm) rd mode sel)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym name "x")
|
||
(.str "store" mode " indexed")
|
||
()
|
||
(.str name " $rd6,[$rn6,$direction$rm6]")
|
||
(+ OP4_LDSTRX sel OP_STORE (f-opc-19-4 #x0) (f-dc-22-1 #x0) (f-dc-21-1 #x0) rd6 rn6 direction rm6)
|
||
(sequence ()
|
||
(if (ifield f-addsubx)
|
||
(sem-op (sub rn6 rm6) rd6 mode sel)
|
||
(sem-op (add rn6 rm6) rd6 mode sel)
|
||
))
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "x.l")
|
||
(.str "store" mode " indexed")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6,$direction$rm6]")
|
||
(emit (.sym name "x") rd6 rn6 direction rm6)
|
||
)
|
||
|
||
|
||
|
||
|
||
|
||
(dni_wrapper (.sym name "p16")
|
||
(.str "store " mode " postmodify")
|
||
(SHORT-INSN)
|
||
(.str name " $rd,[$rn],$rm")
|
||
(+ OP4_LDSTR16P sel OP_STORE rd rn rm)
|
||
(sequence ()
|
||
(sem-op rn rd mode sel)
|
||
(set rn (add rn rm))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym name "p")
|
||
(.str "store " mode " postmodify")
|
||
()
|
||
(.str name " $rd6,[$rn6],$direction$rm6")
|
||
(+ OP4_LDSTRP sel OP_STORE (f-opc-19-4 #x0) (f-dc-22-2 #x0) rd6 rn6 direction rm6)
|
||
(sequence ()
|
||
(sem-op rn6 rd6 mode sel)
|
||
(if (ifield f-addsubx)
|
||
(set rn6 (sub rn6 rm6))
|
||
(set rn6 (add rn6 rm6)))
|
||
)
|
||
()
|
||
)
|
||
(dnmi (.sym name "p.l")
|
||
(.str "store " mode " postmodify")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6],$direction$rm6")
|
||
(emit (.sym name "p") rd6 rn6 direction rm6)
|
||
)
|
||
|
||
(dni_wrapper (.sym name "d16")
|
||
(.str "store " mode " displacement")
|
||
(SHORT-INSN IMM3)
|
||
(.str name " $rd,[$rn,$disp3]")
|
||
(+ OP4_LDSTR16D sel OP_STORE rd rn disp3) ;; convert size to 'B'
|
||
(sequence ((SI effa)
|
||
(SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(set effa (add rn (sll disp3 scale)))
|
||
(sem-op effa rd mode sel)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym name "d")
|
||
(.str "store " mode " displacement")
|
||
()
|
||
(.str name " $rd6,[$rn6,$dpmi$disp11]")
|
||
(+ OP4_LDSTRD sel OP_STORE PMOD_DISP rd6 rn6 dpmi disp11)
|
||
(sequence ((SI effa)
|
||
(SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(if dpmi
|
||
(set effa (sub rn6 (sll disp11 scale)))
|
||
(set effa (add rn6 (sll disp11 scale)))
|
||
)
|
||
(sem-op effa rd6 mode sel)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "d.l")
|
||
(.str "store " mode " displacement")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6,$dpmi$disp11]")
|
||
(emit (.sym name "d") rd6 rn6 dpmi disp11)
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym name "dpm")
|
||
(.str "store " mode " displacement post-modify")
|
||
()
|
||
(.str name " $rd6,[$rn6],$dpmi$disp11")
|
||
(+ OP4_LDSTRD sel OP_STORE PMOD_POST rd6 rn6 dpmi disp11) ;; convert size to 'B'
|
||
(sequence ((SI scale))
|
||
(ConvertSelectorToShift sel scale)
|
||
(sem-op rn6 rd6 mode sel)
|
||
(if dpmi
|
||
(set rn6 (sub rn6 (sll disp11 scale)))
|
||
(set rn6 (add rn6 (sll disp11 scale)))
|
||
)
|
||
)
|
||
()
|
||
)
|
||
(dnmi (.sym name "dpm.l")
|
||
(.str "store " mode " displacement post-modify")
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6],$dpmi$disp11")
|
||
(emit (.sym name "dpm") rd6 rn6 dpmi disp11)
|
||
)
|
||
|
||
;; macro form with a zero displacement
|
||
(dnmi (.sym name "ds0") "store w 0 disp"
|
||
(SHORT-INSN IMM3)
|
||
(.str name " $rd,[$rn]")
|
||
(emit (.sym name "d16") rd rn (disp3 0))
|
||
)
|
||
|
||
(dnmi (.sym name "dl0") "store w 0 disp"
|
||
()
|
||
(.str name " $rd6,[$rn6]")
|
||
(emit (.sym name "d") rd6 rn6 (dpmi 0) (disp11 0))
|
||
)
|
||
|
||
(dnmi (.sym name "dl0.l") "store w 0 disp"
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,[$rn6]")
|
||
(emit (.sym name "d") rd6 rn6 (dpmi 0) (disp11 0))
|
||
)
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(store-insn strb QI OPW_BYTE store-to-ea)
|
||
(store-insn strh HI OPW_SHORT store-to-ea)
|
||
(store-insn str SI OPW_WORD store-to-ea)
|
||
(store-insn strd DI OPW_DOUBLE store-double-to-ea)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; MOV<COND> RD,RN
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-pmacro (move-insns name cond g-op)
|
||
(begin
|
||
(dni_wrapper (.sym "cmov16" cond)
|
||
(.str "move register " cond)
|
||
(SHORT-INSN)
|
||
(.str "mov" name " $rd,$rn")
|
||
(+ OP4_FLOW16 (.sym "OPC_" cond) (f-opc-8-1 #x0) (f-dc-9-1 #x0) rd rn)
|
||
(if (g-op)
|
||
(set rd rn))
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym "cmov" cond)
|
||
(.str "move register " cond)
|
||
()
|
||
(.str "mov" name " $rd6,$rn6")
|
||
(+ OP4_MISC (.sym "OPC_" cond) (f-opc-8-1 #x0) (f-dc-9-1 #x0) (f-opc-19-4 #x2) (f-dc-25-6 #x0) rd6 rn6)
|
||
(if (g-op)
|
||
(set rd6 rn6))
|
||
()
|
||
)
|
||
(dnmi (.sym "cmov.l" cond)
|
||
(.str "move register " cond)
|
||
(NO-DIS)
|
||
(.str "mov" name ".l $rd6,$rn6")
|
||
(emit (.sym "cmov" cond) rd6 rn6)
|
||
)
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
; basic conditional moves
|
||
(move-insns "eq" EQ (.pmacro () (eq zbit #x1)))
|
||
(move-insns "ne" NE (.pmacro () (eq zbit #x0)))
|
||
(move-insns "gtu" GTU (.pmacro () (and BI cbit (not BI zbit))))
|
||
(move-insns "gteu" GTEU (.pmacro () (eq cbit #x1)))
|
||
(move-insns "lteu" LTEU (.pmacro () (or BI (not BI cbit) zbit)))
|
||
(move-insns "ltu" LTU (.pmacro () (eq cbit #x0)))
|
||
(move-insns "gt" GT (.pmacro () (and BI (not BI zbit) (eq vbit nbit))))
|
||
(move-insns "gte" GTE (.pmacro () (eq vbit nbit)))
|
||
(move-insns "lt" LT (.pmacro () (xor BI vbit nbit)))
|
||
(move-insns "lte" LTE (.pmacro () (or BI zbit (xor vbit nbit))))
|
||
|
||
; unconditional move
|
||
(move-insns "" B (.pmacro () #x1))
|
||
|
||
|
||
; floating point condition codes (floating point instructions)
|
||
(move-insns "beq" BEQ (.pmacro () (or BI bzbit bzbit)))
|
||
(move-insns "bne" BNE (.pmacro () (not BI bzbit)))
|
||
(move-insns "blt" BLT (.pmacro () (and BI bnbit (not bzbit))))
|
||
(move-insns "blte" BLTE (.pmacro () (or BI bnbit bzbit)))
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; MOVTS RD,RN
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
;; 16 bits form exists for group zero ( M1 and M0 equals to zero ) only
|
||
|
||
(dni_wrapper movts16
|
||
"move to special reg"
|
||
(SHORT-INSN)
|
||
"movts $sn,$rd"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x10) (f-dc-9-1 #x0) rd sn) ;; rd is source for movts
|
||
(set sn rd)
|
||
()
|
||
)
|
||
|
||
(define-pmacro (op-mmr-movts name sdreg code)
|
||
(begin
|
||
|
||
(dni_wrapper (.sym "movts" name)
|
||
(.str "move to " name)
|
||
()
|
||
(.str "movts $" sdreg ",$rd6")
|
||
(+ OP4_MISC (f-dc-7-4 #x0) (f-opc-8-1 #x1) (f-dc-9-1 #x0) (f-opc-19-4 #x2) (f-dc-25-4 #x0) (f-dc-21-2 code) sdreg rd6);; rd is source for movts
|
||
(set sdreg rd6)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "movts.l" name)
|
||
(.str "move to " name)
|
||
(NO-DIS)
|
||
(.str "movts.l $" sdreg ",$rd6")
|
||
(emit (.sym "movts" name) sdreg rd6)
|
||
)
|
||
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(op-mmr-movts 6 sn6 #x0)
|
||
(op-mmr-movts dma sndma #x1)
|
||
(op-mmr-movts mem snmem #x2)
|
||
(op-mmr-movts mesh snmesh #x3)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; MOVFS
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper movfs16
|
||
"move from special register"
|
||
(SHORT-INSN)
|
||
"movfs $rd,$sn"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x11) (f-dc-9-1 #x0) rd sn)
|
||
(set rd sn)
|
||
()
|
||
)
|
||
|
||
|
||
|
||
(define-pmacro (op-mmr-movfs name snreg code)
|
||
(begin
|
||
|
||
(dni_wrapper (.sym "movfs" name)
|
||
(.str "move from " name)
|
||
()
|
||
(.str "movfs $rd6,$" snreg)
|
||
(+ OP4_MISC (f-dc-7-4 #x1) (f-opc-8-1 #x1) (f-dc-9-1 #x0) (f-opc-19-4 #x2) (f-dc-25-4 #x0) (f-dc-21-2 code) rd6 snreg)
|
||
(set rd6 snreg)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "movfs.l" name)
|
||
(.str "move from " name)
|
||
(NO-DIS)
|
||
(.str "movfs.l $rd6,$" snreg)
|
||
(emit (.sym "movfs" name) rd6 snreg)
|
||
)
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(op-mmr-movfs 6 sn6 #x0)
|
||
(op-mmr-movfs dma sndma #x1)
|
||
(op-mmr-movfs mem snmem #x2)
|
||
(op-mmr-movfs mesh snmesh #x3)
|
||
|
||
|
||
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; NOP 0x1a2
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper nop
|
||
"no-operation"
|
||
(SHORT-INSN)
|
||
"nop"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1a) (f-dc-15-7 #x0))
|
||
(nop)
|
||
()
|
||
)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; SNOP 0x3a2
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper snop
|
||
"no-operation"
|
||
(SHORT-INSN)
|
||
"snop"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x3a) (f-dc-15-7 #x0))
|
||
(nop)
|
||
()
|
||
)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; UNIMPL
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper unimpl
|
||
"not-implemented"
|
||
()
|
||
"unimpl"
|
||
(+ (f-opc-31-32 #x000F000F))
|
||
(nop)
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; IDLE
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(dni idle "idle until interrupt" () "idle"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1b) (f-dc-15-7 #x0))
|
||
;; (set pc pc) ;; should branch to self until interrupt, but not modeling interrupts
|
||
(sequence ()
|
||
(set caibit 0)
|
||
(c-code "sim_engine_halt (CPU_STATE (current_cpu), current_cpu, NULL, \
|
||
pc, sim_exited, 0);"))
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; BKPT
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(dni bkpt
|
||
"breakpoint"
|
||
(SHORT-INSN)
|
||
"bkpt"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1c) (f-dc-15-7 #x0))
|
||
(sequence ()
|
||
(c-call "epiphany_break" pc)
|
||
(set pc pc)
|
||
)
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; MBKPT
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(dni mbkpt
|
||
"multicorebreakpoint"
|
||
(SHORT-INSN)
|
||
"mbkpt"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1c) (f-dc-15-7 #x1))
|
||
;;;(c-call "epiphany_break" pc)
|
||
(nop) ;; ignore the multi core break point in the simulator
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;
|
||
;; RTI
|
||
;;;;;;;;;;;;;;;;
|
||
|
||
(dni rti "return from interrupt" (SHORT-INSN UNCOND-CTI)
|
||
"rti"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1d) (f-dc-15-7 #x0))
|
||
(sequence ()
|
||
;; (set (hcr-ipend)
|
||
;; (xor (hcr-ipend)
|
||
;; (sll (const 1)
|
||
;; (sub (c-raw-call SI "ffs" (and (hcr-ipend) (not (hcr-imask))))
|
||
;; (const 1)))))
|
||
|
||
(set (hcr-ipend)
|
||
(c-call SI "epiphany_rti" (hcr-ipend) (hcr-imask)))
|
||
(set gidisablebit 0)
|
||
(set kmbit 0)
|
||
;(set caibit 1)
|
||
(set pc (hcr-iret)))
|
||
()
|
||
)
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; WAND is a wired flag that runs around the chip
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper wand "wand"
|
||
(SHORT-INSN)
|
||
"wand"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x18) (f-dc-15-7 #x0))
|
||
(set sflagbit 1)
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Sync likes wand, but wired OR
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper sync "sync"
|
||
(SHORT-INSN)
|
||
"sync"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1f) (f-dc-15-7 #x0))
|
||
(nop);;TODO
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; GIE
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper gien "global interrupt enable"
|
||
(SHORT-INSN)
|
||
"gie"
|
||
(+ OP4_FLOW16 (f-gien-gidis-9-1 #x0) (f-opc-8-5 #x19) (f-dc-15-6 #x0))
|
||
(set gidisablebit 0)
|
||
()
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; GIDIS
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
(dni_wrapper gidis "global interrupt disable"
|
||
(SHORT-INSN)
|
||
"gid"
|
||
(+ OP4_FLOW16 (f-gien-gidis-9-1 #x1) (f-opc-8-5 #x19) (f-dc-15-6 #x0))
|
||
(set gidisablebit 1)
|
||
()
|
||
)
|
||
|
||
|
||
|
||
;;;;;;;;;;;;;;;;
|
||
;; SWI
|
||
;;;;;;;;;;;;;;;;
|
||
|
||
;; Model only immediate 'fire' exception, if gien cleared or masked don't fire and don't check later - no ilat like behavior
|
||
(dni swi_num "software interrupt" (SHORT-INSN UNCOND-CTI)
|
||
"swi $swi_num"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1e) (f-trap-swi-9-1 #x0) swi_num)
|
||
(sequence () (call-exception #x24 #x80))
|
||
;; (if (eq gie 1)
|
||
;; (sequence ()
|
||
;; (set kmbit 1)
|
||
;; (set gie 0)
|
||
;; (set (hcr-iret) (add pc (const 2)))
|
||
;; (set (hcr-ipend) (or (hcr-ipend) (const #x80)))
|
||
;; (set pc (const #x1c))
|
||
|
||
;; )
|
||
;; ;; schedule interrupt
|
||
;; (set (hcr-ilat) (or (hcr-ilat) (const #x80)))
|
||
;; )
|
||
()
|
||
)
|
||
(dni swi "software interrupt" (ALIAS SHORT-INSN UNCOND-CTI)
|
||
"swi"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1e) (f-trap-swi-9-1 #x0) (f-dc-15-6 #x0))
|
||
(sequence () (call-exception #x24 #x80))
|
||
()
|
||
)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; TRAP #disp3 - simulator only and chip as well - make the same grouop as swi
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
;; Only defining 16-bit form of this instruction. It exists to support the
|
||
;; simulator, by giving us a simple input/output mechanism beyond returning values
|
||
;; in registers or memory.
|
||
;; TRAP #N - special sw trap for simulator support; allows simple i/o using fixed arguments
|
||
;; TRAP #0 - write (r0=i/o channel, r1=addr, r2=len) returns status in r0
|
||
;; TRAP #1 - read (r0=i/o channel, r1=addr, r2=len) returns length or -<code> on error
|
||
;; TRAP #2 - open (r0=string path, r1=mode) returns channel# or -<code> on error
|
||
;; TRAP #3 - exit (r0=status code) never returns.
|
||
;; TRAP #4 - print "pass\n" and exit
|
||
;; TRAP #5 - print "fail\n" and exit
|
||
;; TRAP #6 - close (r0=i/o channel)
|
||
|
||
(dni trap16 "trap to simulator"
|
||
(SHORT-INSN UNCOND-CTI)
|
||
"trap $trapnum6"
|
||
(+ OP4_FLOW16 (f-opc-8-5 #x1e) (f-trap-swi-9-1 #x1) trapnum6) ;; (+ OP4_IMM16 OPI_TRAP (f-rd 0) (f-rn 0) disp3)
|
||
(set (reg SI h-registers 0) (c-call SI "epiphany_trap" pc trapnum6))
|
||
()
|
||
)
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Integer arithmetic instructions 3 address forms
|
||
;; both 16 and 32 bit forms
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-pmacro (op-rrr name sem-op cond-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "16")
|
||
(.str name)
|
||
(SHORT-INSN)
|
||
(.str name " $rd,$rn,$rm")
|
||
(+ OP4_ALU16 (.sym "OPB_" (.upcase (.str name))) rd rn rm)
|
||
(sequence ()
|
||
(cond-op rn rm)
|
||
(set rd (sem-op SI rn rm))
|
||
(set zbit (zflag rd))
|
||
(set nbit (nflag rd))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym name)
|
||
(.str name)
|
||
()
|
||
(.str name " $rd6,$rn6,$rm6")
|
||
(+ OP4_MISC (.sym "OPB_" (.upcase (.str name))) (f-opc-19-4 #xa) (f-dc-22-3 #x0) rd6 rn6 rm6)
|
||
(sequence ()
|
||
(cond-op rn6 rm6)
|
||
(set rd6 (sem-op SI rn6 rm6))
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name ".l")
|
||
(.str name)
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,$rn6,$rm6")
|
||
(emit (.sym name) rd6 rn6 rm6)
|
||
)
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
;; submacros to set condition codes
|
||
;; NZ are always set to reflect the sign and value of the result
|
||
;; CV are a function of the operator
|
||
(define-pmacro (add-vc a b) (sequence ()
|
||
(set cbit (add-cflag SI a b 0))
|
||
(set vbit (add-oflag SI a b 0))
|
||
(set vsbit (or BI vsbit vbit))
|
||
))
|
||
|
||
(define-pmacro (sub-vc a b) (sequence ()
|
||
(set cbit (not (sub-cflag SI a b 0)))
|
||
(set vbit (sub-oflag SI a b 0))
|
||
(set vsbit (or vsbit vbit))
|
||
))
|
||
|
||
(define-pmacro (logic-vc a b) (sequence ()
|
||
(set cbit 0)
|
||
(set vbit 0)
|
||
))
|
||
|
||
(op-rrr add add add-vc)
|
||
(op-rrr sub sub sub-vc)
|
||
(op-rrr and and logic-vc)
|
||
(op-rrr orr or logic-vc)
|
||
(op-rrr eor xor logic-vc)
|
||
|
||
;; Integer arithmetic immediate forms
|
||
|
||
(define-pmacro (op-rri name code cond-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "i16")
|
||
(.str name)
|
||
(SHORT-INSN IMM3)
|
||
(.str name ".s $rd,$rn,$simm3")
|
||
(+ OP4_IMM16 code rd rn simm3)
|
||
(sequence ()
|
||
(cond-op rn simm3)
|
||
(set rd (name SI rn simm3))
|
||
(set zbit (zflag rd))
|
||
(set nbit (nflag rd))
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym name "i")
|
||
(.str name)
|
||
()
|
||
(.str name ".l $rd6,$rn6,$simm11")
|
||
(+ OP4_IMM32 code OPI_25_2_MBZ rd6 rn6 simm11)
|
||
(sequence ()
|
||
(cond-op rn6 simm11)
|
||
(set rd6 (name SI rn6 simm11))
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
)
|
||
()
|
||
)
|
||
|
||
;; (dnmi (.sym name "ri") "relaxed arithmetic immediate" (RELAXED)
|
||
;; (.str name " $rd6,$rn6,$simm11")
|
||
;; (emit (.sym name "i") rd6 rn6 simm11))
|
||
)
|
||
)
|
||
|
||
(op-rri add OPI_ADD add-vc)
|
||
(op-rri sub OPI_SUB sub-vc)
|
||
|
||
(dnmi addir "relaxable short immediate add" (RELAXABLE IMM3)
|
||
"add $rd,$rn,$simm3"
|
||
(emit addi16 rd rn simm3))
|
||
|
||
(dnmi addi32r "relaxed long immediate add" (RELAXED)
|
||
"add $rd6,$rn6,$simm11"
|
||
(emit addi rd6 rn6 simm11))
|
||
|
||
;; Again, but not relaxable so that full sized registers are handled
|
||
(dnmi addi32m "relaxed long immediate add" ()
|
||
"add $rd6,$rn6,$simm11"
|
||
(emit addi rd6 rn6 simm11))
|
||
|
||
|
||
(dnmi subir "relaxable short immediate sub" (RELAXABLE IMM3)
|
||
"sub $rd,$rn,$simm3"
|
||
(emit subi16 rd rn simm3))
|
||
|
||
(dnmi subi32r "relaxed long immediate sub" (RELAXED)
|
||
"sub $rd6,$rn6,$simm11"
|
||
(emit subi rd6 rn6 simm11))
|
||
|
||
(dnmi subi32m "relaxed long immediate sub" ()
|
||
"sub $rd6,$rn6,$simm11"
|
||
(emit subi rd6 rn6 simm11))
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Shift instructions 3 address forms
|
||
;; both 16 and 32 bit forms
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-pmacro (shift-rrr name sem-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "16")
|
||
(.str name)
|
||
(SHORT-INSN)
|
||
(.str name " $rd,$rn,$rm")
|
||
(+ OP4_ALU16 (.sym "OPB_" (.upcase (.str name))) rd rn rm)
|
||
(sequence ()
|
||
(logic-vc rn rm)
|
||
(set rd (sem-op SI rn (and rm (const 31))))
|
||
(set zbit (zflag rd))
|
||
(set nbit (nflag rd))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym name)
|
||
(.str name)
|
||
()
|
||
(.str name " $rd6,$rn6,$rm6")
|
||
(+ OP4_MISC (.sym "OPB_" (.upcase (.str name))) (f-opc-19-4 #xa) (f-dc-22-3 #x0) rd6 rn6 rm6)
|
||
(sequence ()
|
||
(logic-vc rn6 rm6)
|
||
(set rd6 (sem-op SI rn6 (and rm6 (const 31))))
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name ".l")
|
||
(.str name)
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,$rn6,$rm6")
|
||
(emit (.sym name) rd6 rn6 rm6)
|
||
)
|
||
)
|
||
)
|
||
|
||
(shift-rrr asr sra)
|
||
(shift-rrr lsr srl)
|
||
(shift-rrr lsl sll)
|
||
|
||
(define-pmacro (op-shift-rri name shortcode f5 longcode sem-op)
|
||
(begin
|
||
(dni_wrapper (.sym name "i16")
|
||
(.str name)
|
||
(SHORT-INSN)
|
||
(.str name " $rd,$rn,$shift")
|
||
(+ shortcode (f-opc-4-1 f5) rd rn shift)
|
||
(sequence ()
|
||
(logic-vc rn shift)
|
||
(set rd (sem-op SI rn shift))
|
||
(set zbit (zflag rd))
|
||
(set nbit (nflag rd))
|
||
)
|
||
()
|
||
)
|
||
(dni_wrapper (.sym name "i32")
|
||
(.str name)
|
||
()
|
||
(.str name " $rd6,$rn6,$shift")
|
||
(+ OP4_MISC (f-opc-4-1 f5) (f-opc-19-4 longcode) (f-dc-25-6 0) rd6 rn6 shift)
|
||
(sequence ()
|
||
(logic-vc rn6 shift)
|
||
(set rd6 (sem-op SI rn6 shift))
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name "i32.l")
|
||
(.str name)
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,$rn6,$shift")
|
||
(emit (.sym name "i32") rd6 rn6 shift)
|
||
)
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(op-shift-rri lsr OP4_LSHIFT16 0 #x6 srl)
|
||
(op-shift-rri lsl OP4_LSHIFT16 1 #x6 sll)
|
||
(op-shift-rri asr OP4_ASHIFT16 0 #xe sra)
|
||
|
||
;; BITR - bitreversal (FFT)
|
||
;;
|
||
;; From Dr Dobbs et al.
|
||
;;
|
||
;; unsigned int v;
|
||
;; v = ((v >> 1) & 0x55555555) | ((v & 0x55555555) << 1); ;; swap odd-even bits
|
||
;; v = ((v >> 2) & 0x33333333) | ((v & 0x33333333) << 2); ;; swap pairs
|
||
;; v = ((v >> 4) & 0x0f0f0f0f) | ((v & 0x0f0f0f0f) << 4); ;; swap nibbles
|
||
;; v = ((v >> 8) & 0x00ff00ff) | ((v & 0x00ff00ff) << 8); ;; swap bytes
|
||
;; v = (v >> 16) | (v << 16); ;; swap halves
|
||
(define-pmacro (bit-reversal dest src)
|
||
(sequence ((SI v))
|
||
(set v src)
|
||
(set v (or (and (srl v 1) #x55555555) (sll (and v #x55555555) 1)))
|
||
(set v (or (and (srl v 2) #x33333333) (sll (and v #x33333333) 2)))
|
||
(set v (or (and (srl v 4) #x0f0f0f0f) (sll (and v #x0f0f0f0f) 4)))
|
||
(set v (or (and (srl v 8) #x00ff00ff) (sll (and v #x00ff00ff) 8)))
|
||
(set v (or (srl v 16) (sll v 16)))
|
||
(set dest v)
|
||
))
|
||
|
||
(dni_wrapper bitr16 "bit reverse short"
|
||
(SHORT-INSN)
|
||
("bitr $rd,$rn")
|
||
(+ OP4_ASHIFT16 (f-opc-4-1 1) rd rn (f-shift 0))
|
||
(sequence ()
|
||
(bit-reversal rd rn)
|
||
(set zbit (zflag rd))
|
||
(set nbit (nflag rd))
|
||
(set cbit 0)
|
||
(set vbit 0)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper bitr "bit reverse"
|
||
()
|
||
("bitr $rd6,$rn6")
|
||
(+ OP4_MISC (f-opc-4-1 1) (f-opc-19-4 #xe) (f-dc-25-6 0) rd6 rn6 (f-shift 0))
|
||
(sequence ()
|
||
(bit-reversal rd6 rn6)
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
(set cbit 0)
|
||
(set vbit 0)
|
||
)
|
||
()
|
||
)
|
||
(dnmi bitrl "bit reverse l"
|
||
(NO-DIS)
|
||
("bitr.l $rd6,$rn6")
|
||
(emit bitr rd6 rn6)
|
||
)
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Integer arithmetic instructions
|
||
;; Extended operation
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(define-pmacro (op-iextrrr name cond-op)
|
||
(begin
|
||
|
||
(dni_wrapper (.sym name)
|
||
(.str name)
|
||
()
|
||
(.str name " $rd6,$rn6,$rm6")
|
||
(+ OP4_MISC (.sym "OPBE_" (.upcase (.str name))) (f-opc-19-4 #xa) (f-dc-22-2 #x0) (f-dc-20-1 #x1)
|
||
rd6 rn6 rm6)
|
||
(sequence ()
|
||
;; TODO cond operation (cond-op rn6 rm6)
|
||
;;(set rd6 (sem-op SI rn6 rm6))
|
||
(set zbit (zflag rd6))
|
||
(set nbit (nflag rd6))
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym name ".l")
|
||
(.str name)
|
||
(NO-DIS)
|
||
(.str name ".l $rd6,$rn6,$rm6")
|
||
(emit (.sym name) rd6 rn6 rm6)
|
||
)
|
||
)
|
||
)
|
||
|
||
(op-iextrrr fext sub-vc)
|
||
(op-iextrrr fdep sub-vc)
|
||
(op-iextrrr lfsr sub-vc)
|
||
|
||
|
||
|
||
;; Immediate moves. The 8 bit form is relaxed if it doesn't fit or is external
|
||
;; Move RD,#IMM
|
||
(dni_wrapper mov8
|
||
"mov imm8"
|
||
(SHORT-INSN)
|
||
"mov.b $rd,$imm8"
|
||
(+ OP4_IMM16 (f-opc-4-1 #x0) rd imm8)
|
||
(set rd (zext SI imm8))
|
||
()
|
||
)
|
||
|
||
(dnmi mov8r "mov imm8 relaxable"
|
||
(RELAXABLE)
|
||
"mov $rd,$imm8"
|
||
(emit mov8 rd imm8))
|
||
|
||
(dni_wrapper mov16
|
||
"mov imm16"
|
||
()
|
||
"mov.l $rd6,$imm16"
|
||
(+ OP4_IMM32 (f-opc-4-1 #x0) (f-opc-19-4 #x2) (f-dc-28-1 #x0) rd6 imm16)
|
||
(set rd6 (zext SI imm16))
|
||
()
|
||
)
|
||
|
||
(dnmi mov16r "mov imm16 relaxable"
|
||
()
|
||
"mov $rd6,$imm16"
|
||
(emit mov16 rd6 imm16))
|
||
|
||
;; MOVE TO HIGH WORD
|
||
(dni_wrapper movt
|
||
"movt imm16"
|
||
()
|
||
"movt $rd6,$imm16"
|
||
(+ OP4_IMM32 (f-opc-4-1 #x0) (f-opc-19-4 #x2) (f-dc-28-1 #x1) rd6 imm16)
|
||
(set rd6 (or (and SI rd6 (const #xffff)) ; keep low bits of rd
|
||
(sll SI imm16 (const 16)))) ; replacing just high bits
|
||
()
|
||
)
|
||
(dnmi movtl
|
||
"movt imm16"
|
||
(NO-DIS)
|
||
"movt.l $rd6,$imm16"
|
||
(emit movt rd6 imm16)
|
||
)
|
||
|
||
|
||
|
||
;; FLOATING POINT OPERATIONS
|
||
;; TWO operands
|
||
(define-pmacro (op-two_operands-float name code)
|
||
(begin
|
||
(dni_wrapper
|
||
(.sym "f_" name "f16")
|
||
(.str "f_" name)
|
||
(SHORT-INSN)
|
||
(.str "f" name " $rd,$rn,$rm")
|
||
(+ OP4_DSP16 code rd rn rm)
|
||
(sequence ()
|
||
(if
|
||
(eq arithmetic-modebit2 0)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd rn rm))
|
||
|
||
;;All bits are calculated in C
|
||
(set bzbit (c-call BI "get_epiphany_fzeroflag" sdtmp))
|
||
(set bnbit (c-call BI "get_epiphany_fnegativeflag" sdtmp))
|
||
(set bvbit (c-call BI "get_epiphany_foverflowflag" sdtmp))
|
||
(set bubit (c-call BI "get_epiphany_funderflowflag" sdtmp))
|
||
(set bibit (c-call BI "get_epiphany_finvalidflag" sdtmp))
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
(set rd sdtmp)
|
||
(if (or (and invExcEnbit bisbit)
|
||
(or (and ovfExcEnbit bvsbit) (and unExcEnbit busbit)))
|
||
(sequence ()
|
||
(set expcause0bit (const 1))
|
||
(set expcause1bit (const 1))
|
||
(call-exception #x4 #x2)))
|
||
))
|
||
(if (eq arithmetic-modebit2 1)
|
||
(sequence ((SI sdtmp))
|
||
(set sdtmp (c-call SI (.str "epiphany_i" name) rd rn rm))
|
||
;; carry is not connected inb the design (set bcbit bcbit)
|
||
(set bzbit (zflag sdtmp))
|
||
(set bnbit (nflag sdtmp))
|
||
(set rd sdtmp)))
|
||
)
|
||
|
||
()
|
||
)
|
||
(dnmi (.sym "i_" name "f16")
|
||
(.str "i_" name)
|
||
(SHORT-INSN NO-DIS)
|
||
(.str "i" name " $rd,$rn,$rm")
|
||
(emit (.sym "f_" name "f16") rd rn rm)
|
||
)
|
||
|
||
|
||
(dni_wrapper
|
||
(.sym "f_" name "f32")
|
||
(.str "f_" name)
|
||
()
|
||
(.str "f" name " $rd6,$rn6,$rm6")
|
||
(+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-3 #x0) rd6 rn6 rm6)
|
||
(sequence ()
|
||
(if
|
||
(eq arithmetic-modebit2 0)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd6 rn6 rm6))
|
||
|
||
;;All bits are calculated in C
|
||
(set bzbit (c-call BI "get_epiphany_fzeroflag" sdtmp))
|
||
(set bnbit (c-call BI "get_epiphany_fnegativeflag" sdtmp))
|
||
(set bvbit (c-call BI "get_epiphany_foverflowflag" sdtmp))
|
||
(set bubit (c-call BI "get_epiphany_funderflowflag" sdtmp))
|
||
(set bibit (c-call BI "get_epiphany_finvalidflag" sdtmp))
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd6 sdtmp)
|
||
|
||
(if (or (and invExcEnbit bisbit)
|
||
(or (and ovfExcEnbit bvsbit) (and unExcEnbit busbit)))
|
||
(sequence ()
|
||
(set expcause0bit (const 1))
|
||
(set expcause1bit (const 1))
|
||
(call-exception #x4 #x2)))
|
||
)
|
||
)
|
||
(if (eq arithmetic-modebit2 1)
|
||
(sequence ((SI sdtmp))
|
||
(set sdtmp (c-call SI (.str "epiphany_i" name) rd6 rn6 rm6))
|
||
;; carry is not connected inb the design (set bcbit bcbit)
|
||
(set bzbit (zflag sdtmp))
|
||
(set bnbit (nflag sdtmp))
|
||
(set rd6 sdtmp)
|
||
)
|
||
)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "f_" name "f32.l")
|
||
(.str "f_" name)
|
||
(NO-DIS)
|
||
(.str "f" name ".l $rd6,$rn6,$rm6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6 rm6)
|
||
)
|
||
(dnmi (.sym "i_" name "f32")
|
||
(.str "i_" name)
|
||
(NO-DIS)
|
||
(.str "i" name " $rd6,$rn6,$rm6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6 rm6)
|
||
)
|
||
(dnmi (.sym "i_" name "f32.l")
|
||
(.str "i_" name)
|
||
(NO-DIS)
|
||
(.str "i" name ".l $rd6,$rn6,$rm6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6 rm6)
|
||
)
|
||
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(op-two_operands-float add OPF_ADD)
|
||
(op-two_operands-float sub OPF_SUB)
|
||
(op-two_operands-float mul OPF_MUL)
|
||
(op-two_operands-float madd OPF_MADD)
|
||
(op-two_operands-float msub OPF_MSUB)
|
||
|
||
;; ONE operands
|
||
;; FABS
|
||
(define-pmacro (op-fabs-float name code)
|
||
(begin
|
||
(dni_wrapper (.sym "f_" name "f16")
|
||
(.str "f_" name)
|
||
(SHORT-INSN)
|
||
(.str "f" name " rd,rn")
|
||
(+ OP4_DSP16 code rd rn rn)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
;(set sdtmp (and rn #x7fffffff))
|
||
(set sdtmp (c-call SI (.str "epiphany_fabs") rd rn rn))
|
||
|
||
|
||
(set bnbit (const SI 0))
|
||
(set bzbit (eq SI sdtmp (const SI 0)))
|
||
|
||
;;TODO subnormal ??
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd sdtmp)
|
||
)
|
||
()
|
||
)
|
||
|
||
(dni_wrapper (.sym "f_" name "f32")
|
||
(.str "f_" name)
|
||
()
|
||
(.str "f" name " $rd6,$rn6")
|
||
(+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-3 #x0) rd6 rn6 rn6)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
|
||
;(set sdtmp (and rn6 #x7fffffff))
|
||
|
||
(set sdtmp (c-call SI (.str "epiphany_fabs") rd6 rn6 rn6))
|
||
|
||
|
||
(set bnbit (const SI 0))
|
||
(set bzbit (eq SI sdtmp (const SI 0)))
|
||
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd6 sdtmp)
|
||
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "f_" name "f32.l")
|
||
(.str "f_" name)
|
||
(NO-DIS)
|
||
(.str "f" name ".l $rd6,$rn6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6)
|
||
)
|
||
|
||
|
||
)
|
||
)
|
||
|
||
(op-fabs-float abs OPF_FABS)
|
||
|
||
|
||
(define-pmacro (op-fix2float-float name code)
|
||
(begin
|
||
(dni_wrapper (.sym "f_" name "f16")
|
||
(.str "f_" name)
|
||
(SHORT-INSN)
|
||
(.str "f" name " $rd,$rn")
|
||
(+ OP4_DSP16 code frd frn frn)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd rn rn))
|
||
|
||
(set bnbit (lt SI sdtmp (const SI 0)))
|
||
(set bzbit (eq SI sdtmp (const SI 0)))
|
||
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd sdtmp)
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dni_wrapper (.sym "f_" name "f32")
|
||
(.str "f_" name)
|
||
()
|
||
(.str "f" name " $rd6,$rn6")
|
||
(+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-3 #x0) rd6 rn6 rn6)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd6 rn6 rn6))
|
||
|
||
(set bnbit (lt SI sdtmp (const SI 0)))
|
||
(set bzbit (eq SI sdtmp (const SI 0)))
|
||
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd6 sdtmp)
|
||
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "f_" name "f32.l")
|
||
(.str "f_" name)
|
||
(NO-DIS)
|
||
(.str "f" name ".l $rd6,$rn6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6)
|
||
)
|
||
)
|
||
)
|
||
|
||
(op-fix2float-float loat OPF_FLOAT)
|
||
|
||
(define-pmacro (op-float2fix-float name code)
|
||
(begin
|
||
(dni_wrapper (.sym "f_" name "f16")
|
||
(.str "f_" name)
|
||
(SHORT-INSN)
|
||
(.str "f" name " $rd,$rn")
|
||
(+ OP4_DSP16 code rd rn rn)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd rn rn))
|
||
|
||
(set bzbit (zflag sdtmp))
|
||
(set bnbit (nflag sdtmp))
|
||
|
||
(set bvbit (c-call BI "get_epiphany_foverflowflag" sdtmp))
|
||
(set bubit (c-call BI "get_epiphany_funderflowflag" sdtmp))
|
||
(set bibit (c-call BI "get_epiphany_finvalidflag" sdtmp))
|
||
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd6 sdtmp)
|
||
|
||
(if (or (and invExcEnbit bisbit)
|
||
(or (and ovfExcEnbit busbit)
|
||
(and unExcEnbit bvsbit)))
|
||
(sequence ()
|
||
(set expcause0bit (const 1))
|
||
(set expcause1bit (const 1))
|
||
(call-exception #x4 #x2)))
|
||
(set rd sdtmp)
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
|
||
(dni_wrapper (.sym "f_" name "f32")
|
||
(.str "f_" name)
|
||
()
|
||
(.str "f" name " $rd6,$rn6")
|
||
(+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-3 #x0) rd6 rn6 rn6)
|
||
(sequence ((SF fptemp) (SI sdtmp))
|
||
|
||
(set sdtmp (c-call SI (.str "epiphany_f" name) rd6 rn6 rm6))
|
||
|
||
(set bzbit (zflag sdtmp))
|
||
(set bnbit (nflag sdtmp))
|
||
|
||
(set bvbit (c-call BI "get_epiphany_foverflowflag" sdtmp))
|
||
(set bubit (c-call BI "get_epiphany_funderflowflag" sdtmp))
|
||
(set bibit (c-call BI "get_epiphany_finvalidflag" sdtmp))
|
||
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set busbit (or busbit bubit))
|
||
(set bisbit (or bisbit bibit))
|
||
|
||
(set rd6 sdtmp)
|
||
|
||
(if (or (and invExcEnbit bisbit)
|
||
(or (and ovfExcEnbit busbit)
|
||
(and unExcEnbit bvsbit)))
|
||
(sequence ()
|
||
(set expcause0bit (const 1))
|
||
(set expcause1bit (const 1))
|
||
(call-exception #x4 #x2))
|
||
)
|
||
|
||
)
|
||
()
|
||
)
|
||
|
||
(dnmi (.sym "f_" name "f32.l")
|
||
(.str "f_" name)
|
||
(NO-DIS)
|
||
(.str "f" name ".l $rd6,$rn6")
|
||
(emit (.sym "f_" name "f32") rd6 rn6)
|
||
)
|
||
|
||
|
||
)
|
||
)
|
||
|
||
|
||
|
||
|
||
|
||
(op-float2fix-float ix OPF_FIX)
|
||
|
||
;; MAC (Multiply and Accumulate Instructions
|
||
;; (define-pmacro (op-mac-float name code)
|
||
;; (begin
|
||
;; (dni_wrapper (.sym "fm" name "f16")
|
||
;; (.str "fm" name)
|
||
;; (SHORT-INSN)
|
||
;; (.str "fm" name " $frd,$frn,$frm")
|
||
;; (+ OP4_DSP16 code frd frn frm)
|
||
;; (sequence ((SF fptemp))
|
||
;; (set bvbit 0)
|
||
;; (set busbit 0)
|
||
;; (set fptemp (c-call SF (.str "epiphany_fm" name) frd frm frn))
|
||
;; (set bnbit (lt SF fptemp (const SF 0)))
|
||
;; (set bzbit (eq SF fptemp (const SF 0)))
|
||
;; (set bvsbit (or bvsbit bvbit))
|
||
;; (set frd fptemp)
|
||
;; ; (set rd (subword SI frd 0))
|
||
;; )
|
||
;; ()
|
||
;; )
|
||
|
||
;; (dni_wrapper (.sym "fm" name "f32")
|
||
;; (.str "fm" name)
|
||
;; ()
|
||
;; (.str "fm" name " $frd6,$frn6,$frm6")
|
||
;; (+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-3 #x0) frd6 frn6 frm6)
|
||
;; (sequence ((SF fptemp))
|
||
;; (set bvbit 0)
|
||
;; (set busbit 0)
|
||
;; (set fptemp (c-call SF (.str "epiphany_fm" name) frd6 frm6 frn6))
|
||
;; (set bnbit (lt SF fptemp (const SF 0)))
|
||
;; (set bzbit (eq SF fptemp (const SF 0)))
|
||
;; (set bvsbit (or bvsbit bvbit))
|
||
;; (set frd6 fptemp)
|
||
;; ; (set rd6 (subword SI frd6 0))
|
||
;; )
|
||
;; ()
|
||
;; )
|
||
;; )
|
||
;; )
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
; extended floating point operation
|
||
|
||
|
||
(define-pmacro (op-fextop-float name code)
|
||
(begin
|
||
|
||
(dni_wrapper (.sym "f_" name "f32")
|
||
(.str "f_" name)
|
||
()
|
||
(.str "f" name " $frd6,$frn6")
|
||
(+ OP4_MISC code (f-opc-19-4 #x7) (f-dc-22-2 #x0) (f-dc-20-1 #x1) frd6 frn6 frn6)
|
||
(sequence ((SF fptemp))
|
||
(set bvbit 0)
|
||
(set busbit 0)
|
||
(set fptemp (c-call SF (.str "epiphany_f" name) frn6))
|
||
(set bnbit (lt SF fptemp (const SF 0)))
|
||
(set bzbit (eq SF fptemp (const SF 0)))
|
||
(set bvsbit (or bvsbit bvbit))
|
||
(set frd6 fptemp)
|
||
|
||
)
|
||
()
|
||
)
|
||
|
||
|
||
(dnmi (.sym "f_" name "f32.l")
|
||
(.str "f_" name)
|
||
(NO-DIS)
|
||
(.str "f" name ".l $frd6,$frn6")
|
||
(emit (.sym "f_" name "f32") frd6 frn6)
|
||
)
|
||
)
|
||
)
|
||
|
||
(op-fextop-float recip OPF_FRECIP)
|
||
(op-fextop-float sqrt OPF_FSQRT)
|
||
|
||
|
||
|
||
|
||
|