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frv.cpu
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; Fujitsu FRV opcode support, for GNU Binutils. -*- Scheme -*-
;
; Copyright 2000, 2001, 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
;
; Contributed by Red Hat Inc; developed under contract from Fujitsu.
;
; This file is part of the GNU Binutils.
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 3 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
; MA 02110-1301, USA.
(include "simplify.inc")
; define-arch must appear first
(define-arch
(name frv) ; name of cpu architecture
(comment "Fujitsu FRV")
(insn-lsb0? #t)
(machs frv fr550 fr500 fr450 fr400 tomcat simple)
(isas frv)
)
(define-isa
(name frv)
(base-insn-bitsize 32)
; Initial bitnumbers to decode insns by.
(decode-assist (24 23 22 21 20 19 18))
(liw-insns 1) ; The frv fetches up to 1 insns at a time.
(parallel-insns 8) ; The frv executes up to 8 insns at a time.
)
; Cpu family definitions.
;
(define-cpu
; cpu names must be distinct from the architecture name and machine names.
; The "b" suffix stands for "base" and is the convention.
; The "f" suffix stands for "family" and is the convention.
(name frvbf)
(comment "Fujitsu FRV base family")
(endian big)
(word-bitsize 32)
)
; Generic FR-V machine. Supports the entire architecture
(define-mach
(name frv)
(comment "Generic FRV cpu")
(cpu frvbf)
)
(define-model
(name frv) (comment "Generic FRV model") (attrs)
(mach frv)
(pipeline all "" () ((fetch) (decode) (execute) (writeback)))
; `state' is a list of variables for recording model state
; (state)
(unit u-exec "Execution Unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
)
; FR550 machine
(define-mach
(name fr550)
(comment "FR550 cpu")
(cpu frvbf)
)
(define-model
(name fr550) (comment "FR550 model") (attrs)
(mach fr550)
(pipeline all "" () ((fetch) (decode) (execute) (writeback)))
; `state' is a list of variables for recording model state
(state
; State items
; These are all masks with each bit representing one register.
(prev-fr-load DI) ; Previous use of FR register was target of a load
(prev-fr-complex-1 DI) ; Previous use of FR register has variable latency
(prev-fr-complex-2 DI) ; Previous use of FR register has variable latency
(prev-ccr-complex DI) ; Previous use of CCR register has variable latency
(prev-acc-mmac DI) ; Previous use of ACC register was a MMAC category
(cur-fr-load DI) ; Current use of FR register was target of a load
(cur-fr-complex-1 DI) ; Current use of FR register has variable latency
(cur-fr-complex-2 DI) ; Current use of FR register has variable latency
(cur-ccr-complex SI) ; Current use of CCR register has variable latency
(cur-acc-mmac DI) ; Current use of ACC register was a MMAC category
)
; Basic unit for instructions with no latency penalties
(unit u-exec "Execution Unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
; Basic integer insn unit
(unit u-integer "Integer Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Integer multiplication unit
(unit u-imul "Integer Multiplication Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRdoublek INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Integer division unit
(unit u-idiv "Integer Division Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Branch unit
(unit u-branch "Branch Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)
(ICCi_2 INT -1) (FCCi_2 INT -1)) ; inputs
((pc)) ; outputs
() ; profile action (default)
)
; Trap unit
(unit u-trap "Trap Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)
(ICCi_2 INT -1) (FCCi_2 INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Condition code check unit
(unit u-check "Check Unit" ()
1 1 ; issue done
() ; state
((ICCi_3 INT -1) (FCCi_3 INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Float Arithmetic unit
(unit u-float-arith "Float Arithmetic unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1) ; inputs
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Dual Arithmetic unit
(unit u-float-dual-arith "Float Arithmetic unit" ()
; This unit has a 2 cycle penalty -- see table 14-14 in the fr550 LSI
1 3 ; issue done
() ; state
((FRi INT -1) (FRj INT -1) ; inputs
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Div unit
(unit u-float-div "Float Div unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)) ; inputs
((FRk INT -1)) ; outputs
() ; profile action (default)
)
; Float Square Root unit
(unit u-float-sqrt "Float Square Root unit" ()
1 1 ; issue done
() ; state
((FRj INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Compare unit
(unit u-float-compare "Float Compare unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FCCi_2 INT -1)) ; outputs
() ; profile action (default)
)
; Dual Float Compare unit
(unit u-float-dual-compare "Float Dual Compare unit" ()
; This unit has a 2 cycle penalty -- see table 14-14 in the fr550 LSI
1 3 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)) ; inputs
((FCCi_2 INT -1)) ; outputs
() ; profile action (default)
)
; FR Move to GR unit
(unit u-fr2gr "FR Move to GR Unit" ()
1 1 ; issue done
() ; state
((FRintk INT -1)) ; inputs
((GRj INT -1)) ; outputs
() ; profile action (default)
)
; GR Move to FR unit
(unit u-gr2fr "GR Move to FR Unit" ()
1 1 ; issue done
() ; state
((GRj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; SPR Move to GR unit
(unit u-spr2gr "SPR Move to GR Unit" ()
1 1 ; issue done
() ; state
((spr INT -1)) ; inputs
((GRj INT -1)) ; outputs
() ; profile action (default)
)
; GR Move to SPR unit
(unit u-gr2spr "GR Move to SPR Unit" ()
1 1 ; issue done
() ; state
((GRj INT -1)) ; inputs
((spr INT -1)) ; outputs
() ; profile action (default)
)
; GR set half unit
(unit u-set-hilo "GR Set Half" ()
1 1 ; issue done
() ; state
() ; inputs
((GRkhi INT -1) (GRklo INT -1)) ; outputs
() ; profile action (default)
)
; GR load unit
(unit u-gr-load "GR Load Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (GRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; GR store unit
(unit u-gr-store "GR Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (GRk INT -1) (GRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; FR load unit
(unit u-fr-load "FR Load Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((FRintk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; FR store unit
(unit u-fr-store "FR Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (FRintk INT -1) (FRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Swap unit
(unit u-swap "Swap Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1)) ; outputs
() ; profile action (default)
)
; FR Move to FR unit
(unit u-fr2fr "FR Move to FR Unit" ()
1 1 ; issue done
() ; state
((FRi INT -1)) ; inputs
((FRk INT -1)) ; outputs
() ; profile action (default)
)
; Clrgr unit
(unit u-clrgr "Clrgr Unit" ()
1 1 ; issue done
() ; state
((GRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Clrfr unit
(unit u-clrfr "Clrfr Unit" ()
1 1 ; issue done
() ; state
((FRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache invalidate unit
(unit u-ici "Insn cache invalidate unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache invalidate unit
(unit u-dci "Data cache invalidate unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache flush unit
(unit u-dcf "Data cache flush unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache preload unit
(unit u-icpl "Insn cache preload unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache preload unit
(unit u-dcpl "Data cache preload unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache unlock unit
(unit u-icul "Insn cache unlock unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache unlock unit
(unit u-dcul "Data cache unlock unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; commit unit
(unit u-commit "Commit Unit" ()
1 1 ; issue done
() ; state
((GRk INT -1) (FRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Float Conversion unit
(unit u-float-convert "Float Conversion unit" ()
1 1 ; issue done
() ; state
((FRj INT -1) (FRintj INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRintk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Media units
(unit u-media "Media unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-quad "Media-quad unit" ()
1 1 ; issue done
() ; state
((FRintieven INT -1) (FRintjeven INT -1)) ; inputs
((FRintkeven INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-dual-expand "Media Dual Expand unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1)) ; inputs
((FRintkeven INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-3-dual "Media-3-dual unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-3-acc "Media unit for M-3 using ACC" ()
1 1 ; issue done
() ; state
((FRintj INT -1) (ACC40Si INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-3-acc-dual "Media-3-acc-dual unit" ()
1 1 ; issue done
() ; state
((ACC40Si INT -1)) ; inputs
((FRintkeven INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-3-wtacc "Media-3-wtacc unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (ACC40Sk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
(unit u-media-3-mclracc "Media-3-mclracc unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
(unit u-media-set "Media set" ()
1 1 ; issue done
() ; state
() ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4 "Media-4 unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((ACC40Sk INT -1) (ACC40Uk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4-acc "Media-4-acc unit" ()
1 1 ; issue done
() ; state
((ACC40Si INT -1)) ; inputs
((ACC40Sk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4-acc-dual "Media-4-acc-dual unit" ()
1 1 ; issue done
() ; state
((ACC40Si INT -1)) ; inputs
((ACC40Sk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4-add-sub "Media-4-add-sub unit" ()
1 1 ; issue done
() ; state
((ACC40Si INT -1)) ; inputs
((ACC40Sk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4-add-sub-dual "Media-4-add-sub-dual unit" ()
1 1 ; issue done
() ; state
((ACC40Si INT -1)) ; inputs
((ACC40Sk INT -1)) ; outputs
() ; profile action (default)
)
(unit u-media-4-quad "Media-4-quad unit" ()
1 1 ; issue done
() ; state
((FRintieven INT -1) (FRintjeven INT -1)) ; inputs
((ACC40Sk INT -1) (ACC40Uk INT -1)) ; outputs
() ; profile action (default)
)
)
; FR500 machine.
(define-mach
(name fr500)
(comment "FR500 cpu")
(cpu frvbf)
)
(define-model
(name fr500) (comment "FR500 model") (attrs)
(mach fr500)
(pipeline all "" () ((fetch) (decode) (execute) (writeback)))
; `state' is a list of variables for recording model state
(state
; State items
; These are all masks with each bit representing one register.
(prev-fpop DI) ; Previous use of FR register was floating point insn
(prev-media DI) ; Previous use of FR register was a media insn
(prev-cc-complex DI) ; Previous use of ICC register was not simple
(cur-fpop DI) ; Current use of FR register was floating point insn
(cur-media DI) ; Current use of FR register was a media insn
(cur-cc-complex DI) ; Current use of ICC register was not simple
)
; Basic unit for instructions with no latency penalties
(unit u-exec "Execution Unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
; Basic integer insn unit
(unit u-integer "Integer Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Integer multiplication unit
(unit u-imul "Integer Multiplication Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRdoublek INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Integer division unit
(unit u-idiv "Integer Division Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (ICCi_1 INT -1)) ; outputs
() ; profile action (default)
)
; Branch unit
(unit u-branch "Branch Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)
(ICCi_2 INT -1) (FCCi_2 INT -1)) ; inputs
((pc)) ; outputs
() ; profile action (default)
)
; Trap unit
(unit u-trap "Trap Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)
(ICCi_2 INT -1) (FCCi_2 INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Condition code check unit
(unit u-check "Check Unit" ()
1 1 ; issue done
() ; state
((ICCi_3 INT -1) (FCCi_3 INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Clrgr unit
(unit u-clrgr "Clrgr Unit" ()
1 1 ; issue done
() ; state
((GRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Clrfr unit
(unit u-clrfr "Clrfr Unit" ()
1 1 ; issue done
() ; state
((FRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; GR set half unit
(unit u-set-hilo "GR Set Half" ()
1 1 ; issue done
() ; state
() ; inputs
((GRkhi INT -1) (GRklo INT -1)) ; outputs
() ; profile action (default)
)
; GR load unit -- TODO doesn't handle quad
(unit u-gr-load "GR Load Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1) (GRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; GR store unit -- TODO doesn't handle quad
(unit u-gr-store "GR Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (GRk INT -1) (GRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; GR recovering store unit -- TODO doesn't handle quad
(unit u-gr-r-store "GR Recovering Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (GRk INT -1) (GRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; FR load unit -- TODO doesn't handle quad
(unit u-fr-load "FR Load Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((FRintk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; FR store unit -- TODO doesn't handle quad
(unit u-fr-store "FR Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (FRintk INT -1) (FRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; FR recovering store unit -- TODO doesn't handle quad
(unit u-fr-r-store "FR Recovering Store Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1) (FRintk INT -1) (FRdoublek INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Swap unit
(unit u-swap "Swap Unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
((GRk INT -1)) ; outputs
() ; profile action (default)
)
; FR Move to FR unit
(unit u-fr2fr "FR Move to FR Unit" ()
1 1 ; issue done
() ; state
((FRi INT -1)) ; inputs
((FRk INT -1)) ; outputs
() ; profile action (default)
)
; FR Move to GR unit
(unit u-fr2gr "FR Move to GR Unit" ()
1 1 ; issue done
() ; state
((FRintk INT -1)) ; inputs
((GRj INT -1)) ; outputs
() ; profile action (default)
)
; SPR Move to GR unit
(unit u-spr2gr "SPR Move to GR Unit" ()
1 1 ; issue done
() ; state
((spr INT -1)) ; inputs
((GRj INT -1)) ; outputs
() ; profile action (default)
)
; GR Move to FR unit
(unit u-gr2fr "GR Move to FR Unit" ()
1 1 ; issue done
() ; state
((GRj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; GR Move to SPR unit
(unit u-gr2spr "GR Move to SPR Unit" ()
1 1 ; issue done
() ; state
((GRj INT -1)) ; inputs
((spr INT -1)) ; outputs
() ; profile action (default)
)
; Float Arithmetic unit
(unit u-float-arith "Float Arithmetic unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1) ; inputs
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Dual Arithmetic unit
(unit u-float-dual-arith "Float Arithmetic unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1) ; inputs
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Div unit
(unit u-float-div "Float Div unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)) ; inputs
((FRk INT -1)) ; outputs
() ; profile action (default)
)
; Float Square Root unit
(unit u-float-sqrt "Float Square Root unit" ()
1 1 ; issue done
() ; state
((FRj INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Float Dual Square Root unit
(unit u-float-dual-sqrt "Float Dual Square Root unit" ()
1 1 ; issue done
() ; state
((FRj INT -1)) ; inputs
((FRk INT -1)) ; outputs
() ; profile action (default)
)
; Float Compare unit
(unit u-float-compare "Float Compare unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)
(FRdoublei INT -1) (FRdoublej INT -1)) ; inputs
((FCCi_2 INT -1)) ; outputs
() ; profile action (default)
)
; Dual Float Compare unit
(unit u-float-dual-compare "Float Dual Compare unit" ()
1 1 ; issue done
() ; state
((FRi INT -1) (FRj INT -1)) ; inputs
((FCCi_2 INT -1)) ; outputs
() ; profile action (default)
)
; Float Conversion unit
(unit u-float-convert "Float Conversion unit" ()
1 1 ; issue done
() ; state
((FRj INT -1) (FRintj INT -1) (FRdoublej INT -1)) ; inputs
((FRk INT -1) (FRintk INT -1) (FRdoublek INT -1)) ; outputs
() ; profile action (default)
)
; Dual Float Conversion unit
(unit u-float-dual-convert "Float Dual Conversion unit" ()
1 1 ; issue done
() ; state
((FRj INT -1) (FRintj INT -1)) ; inputs
((FRk INT -1) (FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media unit
(unit u-media "Media unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1) (ACC40Si INT -1) (ACCGi INT -1)) ; inputs
((FRintk INT -1) (ACC40Sk INT -1) (ACC40Uk INT -1) (ACCGk INT -1)) ; outputs
() ; profile action (default)
)
; Media Quad Arithmetic unit
(unit u-media-quad-arith "Media Quad Arithmetic unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual Multiplication unit
(unit u-media-dual-mul "Media Dual Multiplication unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((ACC40Sk INT -1) (ACC40Uk INT -1)) ; outputs
() ; profile action (default)
)
; Media Quad Multiplication unit
(unit u-media-quad-mul "Media Quad Multiplication unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((ACC40Sk INT -1) (ACC40Uk INT -1)) ; outputs
() ; profile action (default)
)
; Media Quad Complex unit
(unit u-media-quad-complex "Media Quad Complex unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1) (FRintj INT -1)) ; inputs
((ACC40Sk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual Expand unit
(unit u-media-dual-expand "Media Dual Expand unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual Unpack unit
(unit u-media-dual-unpack "Media Dual Unpack unit" ()
1 1 ; issue done
() ; state
((FRinti INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual byte to half unit
(unit u-media-dual-btoh "Media Byte to byte" ()
1 1 ; issue done
() ; state
((FRintj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual half to byte unit
(unit u-media-dual-htob "Media Half to byte" ()
1 1 ; issue done
() ; state
((FRintj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Media Dual byte to half unit extended
(unit u-media-dual-btohe "Media Byte to byte extended" ()
1 1 ; issue done
() ; state
((FRintj INT -1)) ; inputs
((FRintk INT -1)) ; outputs
() ; profile action (default)
)
; Barrier unit
(unit u-barrier "Barrier unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
; Memory Barrier unit
(unit u-membar "Memory Barrier unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache invalidate unit
(unit u-ici "Insn cache invalidate unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache invalidate unit
(unit u-dci "Data cache invalidate unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache flush unit
(unit u-dcf "Data cache flush unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache preload unit
(unit u-icpl "Insn cache preload unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache preload unit
(unit u-dcpl "Data cache preload unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Insn cache unlock unit
(unit u-icul "Insn cache unlock unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; Data cache unlock unit
(unit u-dcul "Data cache unlock unit" ()
1 1 ; issue done
() ; state
((GRi INT -1) (GRj INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
; commit unit
(unit u-commit "Commit Unit" ()
1 1 ; issue done
() ; state
((GRk INT -1) (FRk INT -1)) ; inputs
() ; outputs
() ; profile action (default)
)
)
; Tomcat machine. Early version of fr500 machine
(define-mach
(name tomcat)
(comment "Tomcat -- early version of fr500")
(cpu frvbf)
)
(define-model
(name tomcat) (comment "Tomcat model") (attrs)
(mach tomcat)
(pipeline all "" () ((fetch) (decode) (execute) (writeback)))
; `state' is a list of variables for recording model state
; (state)
(unit u-exec "Execution Unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
)
; FR400 machine
(define-mach
(name fr400)
(comment "FR400 cpu")
(cpu frvbf)
)
(define-model
(name fr400) (comment "FR400 model") (attrs)
(mach fr400)
(pipeline all "" () ((fetch) (decode) (execute) (writeback)))
; `state' is a list of variables for recording model state
(state
; State items
; These are all masks with each bit representing one register.
(prev-fp-load DI) ; Previous use of FR register was floating point load
(prev-fr-p4 DI) ; Previous use of FR register was media unit 4
(prev-fr-p6 DI) ; Previous use of FR register was media unit 6
(prev-acc-p2 DI) ; Previous use of ACC register was media unit 2
(prev-acc-p4 DI) ; Previous use of ACC register was media unit 4
(cur-fp-load DI) ; Current use of FR register is floating point load
(cur-fr-p4 DI) ; Current use of FR register is media unit 4
(cur-fr-p6 DI) ; Current use of FR register is media unit 6
(cur-acc-p2 DI) ; Current use of ACC register is media unit 2
(cur-acc-p4 DI) ; Current use of ACC register is media unit 4
)
(unit u-exec "Execution Unit" ()
1 1 ; issue done
() ; state
() ; inputs
() ; outputs
() ; profile action (default)
)
; Basic integer insn unit
(unit u-integer "Integer Unit" ()
1 1 ; issue done
() ; state