diff options
| author | Nick Clifton <nickc@redhat.com> | 2011-10-25 11:18:16 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2011-10-25 11:18:16 +0000 |
| commit | cfb8c0921c8ab3be8e5e48ec31e472742c2d4104 (patch) | |
| tree | 168ae0f8c97ca806624efb39a945d600a0357dc4 /cpu | |
| parent | 0a394bfbada7defad3dff1fdcaa86e0e5a13c656 (diff) | |
| download | fsf-binutils-gdb-cfb8c0921c8ab3be8e5e48ec31e472742c2d4104.zip fsf-binutils-gdb-cfb8c0921c8ab3be8e5e48ec31e472742c2d4104.tar.gz fsf-binutils-gdb-cfb8c0921c8ab3be8e5e48ec31e472742c2d4104.tar.bz2 | |
bfd:
* Makefile.am (ALL_MACHINES): Add cpu-epiphany.lo .
(ALL_MACHINES_CFILES): Add cpu-epiphany.c .
(BFD32_BACKENDS): Add elf32-epiphany.lo .
(BFD32_BACKENDS_CFILES): Add elf32-epiphany.c .
* Makefile.in, bfd-in2.h, configure, libbfd.h: Regenerate.
* archures.c (bfd_arch_epiphany): Add.
(bfd_mach_epiphany16, bfd_mach_epiphany32): Define.
(bfd_epiphany_arch): Declare.
(bfd_archures_list): Add &bfd_epiphany_arch.
* config.bfd (epiphany-*-elf): New target case.
* configure.in (bfd_elf32_epiphany_vec): New target vector case.
* reloc.c (BFD_RELOC_EPIPHANY_SIMM8): New relocation.
(BFD_RELOC_EPIPHANY_SIMM24, BFD_RELOC_EPIPHANY_HIGH): Likewise.
(BFD_RELOC_EPIPHANY_LOW, BFD_RELOC_EPIPHANY_SIMM11): Likewise.
(BFD_RELOC_EPIPHANY_IMM11, BFD_RELOC_EPIPHANY_IMM8): Likewise.
* targets.c (bfd_elf32_epiphany_vec): Declare.
(_bfd_target_vector): Add bfd_elf32_epiphany_vec.
* po/SRC-POTFILES.in, po/bfd.pot: Regenerate.
* cpu-epiphany.c, elf32-epiphany.c: New files.
binutils:
* readelf.c (include "elf/epiphany.h")
(guess_is_rela, dump_relocation): Handle EM_ADAPTEVA_EPIPHANY.
(get_machine_name, is_32bit_abs_reloc, is_32bit_pcrel_reloc): Likewise.
(is_16bit_abs_reloc, is_none_reloc): Likewise.
* po/binutils.pot: Regenerate.
cpu:
* cpu/epiphany.cpu, cpu/epiphany.opc: New files.
gas:
* NEWS: Mention addition of Adapteva Epiphany support.
* config/tc-epiphany.c, config/tc-epiphany.h: New files.
* Makefile.am (TARGET_CPU_CFILES): Add config/tc-epiphany.c .
(TARGET_CPU_HFILES): Add config/tc-epiphany.h .
* Makefile.in, configure, doc/Makefile.in, po/POTFILES.in: Regenerate.
* configure.in: Also set using_cgen for epiphany.
* configure.tgt: Handle epiphany.
* doc/Makefile.am (CPU_DOCS): Add c-epiphany.texi .
* doc/all.texi: Set EPIPHANY.
* doc/as.texinfo: Add EPIPHANY-specific text.
* doc/c-epiphany.texi: New file.
* po/gas.pot: Regenerate.
gas/testsuite:
* gas/epiphany: New directory.
include:
* dis-asm.h (print_insn_epiphany): Declare.
* elf/epiphany.h: New file.
* elf/common.h (EM_ADAPTEVA_EPIPHANY): Define.
ld:
* NEWS: Mention addition of Adapteva Epiphany support.
* Makefile.am (ALL_EMULATION_SOURCES): Add eelf32epiphany.c .
(eelf32epiphany.c): New rule.
* Makefile.in: Regenerate.
* configure.tgt: Handle epiphany-*-elf.
* po/ld.pot: Regenerate.
* testsuite/ld-srec/srec.exp: xfail epiphany.
* emulparams/elf32epiphany.sh: New file.
opcodes:
* Makefile.am (HFILES): Add epiphany-desc.h and epiphany-opc.h .
(TARGET_LIBOPCODES_CFILES): Add epiphany-asm.c, epiphany-desc.c,
epiphany-dis.c, epiphany-ibld.c and epiphany-opc.c .
(CLEANFILES): Add stamp-epiphany.
(EPIPHANY_DEPS): Set. Make CGEN-generated Epiphany files depend on it.
(stamp-epiphany): New rule.
* Makefile.in, configure, po/POTFILES.in, po/opcodes.pot: Regenerate.
* configure.in: Handle bfd_epiphany_arch.
* disassemble.c (ARCH_epiphany): Define.
(disassembler): Handle bfd_arch_epiphany.
* epiphany-asm.c, epiphany-desc.c, epiphany-desc.h: New files.
* epiphany-dis.c, epiphany-ibld.c, epiphany-opc.c: Likewise.
* epiphany-opc.h: Likewise.
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/ChangeLog | 5 | ||||
| -rw-r--r-- | cpu/epiphany.cpu | 2935 | ||||
| -rwxr-xr-x | cpu/epiphany.opc | 416 |
3 files changed, 3356 insertions, 0 deletions
diff --git a/cpu/ChangeLog b/cpu/ChangeLog index 0ab89be..857a81e 100644 --- a/cpu/ChangeLog +++ b/cpu/ChangeLog @@ -1,3 +1,8 @@ +2011-10-25 Joern Rennecke <joern.rennecke@embecosm.com> + + * cpu/epiphany.cpu: New file. + * cpu/epiphany.opc: New file. + 2011-08-22 Nick Clifton <nickc@redhat.com> * fr30.cpu: Newly contributed file. diff --git a/cpu/epiphany.cpu b/cpu/epiphany.cpu new file mode 100644 index 0000000..8d4a57b --- /dev/null +++ b/cpu/epiphany.cpu @@ -0,0 +1,2935 @@ +; Adapteva EPIPHANY CPU description. -*- Scheme -*- +; Copyright 2011 +; Free Software Foundation, Inc. +; +; Contributed by Embecosm on behalf of Adapteva, Inc. +; This file is part of the GNU Binutils and of GDB. +; +; 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 epiphany) ; name of cpu family + (comment "Adapteva, Inc. EPIPHANY family") + (default-alignment aligned) + (insn-lsb0? #t) + + ; - a 16/32 bit instruction machine (the default) + + (machs epiphany32) + (isas epiphany) + ) + + ; Attributes. + +(define-attr + (for insn) + (type boolean) + (name SHORT-INSN) + (comment "instruction is a 16 bit form") + ) + +;; 3 bit add/sub immediate forms - useful for relaxing into 11 bit form +(define-attr + (for insn) + (type boolean) + (name IMM3) + (comment "instruction has a 3 bit immediate form") + ) + +;; 8 bit mov immediate forms - useful for relaxing into 16 bit form +(define-attr + (for insn) + (type boolean) + (name IMM8) + (comment "instruction has a 8 bit immediate form") + ) + + ; Instruction set parameters. + +(define-isa + (name epiphany) + (comment "Adapteva, Inc. EPIPHANY32 ISA") + + (default-insn-word-bitsize 32) + (default-insn-bitsize 32) + (base-insn-bitsize 32) + (decode-assist (3 2 1 0)) ; CGEN can figure this out + (liw-insns 1) ; # instructions fetched at once + ) + + ; Cpu family definitions. + + +(define-cpu + ; cpu names must be distinct from the architecture name and machine names. + (name epiphanybf) + (comment "Adapteva, Inc. EPIPHANY Family") + (endian little) + (word-bitsize 32) + ) + +(define-cpu + (name epiphanymf) + (comment "Adapteva, Inc. EPIPHANY Family") + (endian little) + (word-bitsize 32) + ) + + +(define-mach + (name epiphany32) + (comment "Adapteva EPIPHANY") + (cpu epiphanybf) + ) + + + ; Model descriptions. + +(define-model + (name epiphany32) (comment "Adapteva EPIPHANY 32/16") (attrs) + (mach epiphany32) + + (unit u-exec "Execution Unit" () + 1 1 ; issue done + () ; state + () ; inputs + () ; outputs + () ; profile action (default) + ) + ) + + + + ; Instruction fields. + ; + ; Attributes: + ; XXX: what EPIPHANY attrs + ; PCREL-ADDR: pc relative value (for reloc and disassembly purposes) + ; ABS-ADDR: absolute address (for reloc and disassembly purposes?) + ; RESERVED: bits are not used to decode insn, must be all 0 + ; RELOC: there is a relocation associated with this field + +(define-attr + (for ifield operand) + (type boolean) + (name RELOC) + (comment "there is a reloc associated with this field (experiment)") + ) + +;; define the fields of the instruction. +;; name description ATTR MSB LEN +(dnf f-opc "primary opcode" () 3 4) +(dnf f-opc-4-1 "secondary opcode" () 4 1) +(dnf f-opc-6-3 "secondary opcode" () 6 3) ;; +(dnf f-opc-8-5 "tertiary opcode" () 8 5) ;; +(dnf f-opc-19-4 "additional opcode bits" () 19 4) +(dnf f-condcode "condition codes" () 7 4) +(dnf f-secondary-ccs "flag for secondary ccs" () 7 1) +(dnf f-shift "shift amount" () 9 5) +(dnf f-wordsize "load/store size" () 6 2) +(dnf f-store "load/store flag" () 4 1) ;; 0==load,1==store +(dnf f-opc-8-1 "opcode bits" () 8 1) +(dnf f-opc-31-32 "all opcode set" () 31 32) + +(df f-simm8 "branch displacement" (PCREL-ADDR RELOC) 15 8 INT + ((value pc) (sra SI (sub SI value pc) 1)) + ((value pc) (add SI (sll SI value 1) pc))) + +(df f-simm24 "branch displacement" (PCREL-ADDR RELOC) 31 24 INT + ((value pc) (sra SI (sub SI value pc) 1)) + ((value pc) (add SI (sll SI value 1) pc))) + +(df f-sdisp3 "signed immediate 3 bit" () 9 3 INT #f #f) + +(dnf f-disp3 "address offset" () 9 3) +(dnf f-disp8 "address offset" () 23 8) + +(dnf f-imm8 "move/add/sub imm8" () 12 8) +(dnf f-imm-27-8 "move/add/sub imm16" () 27 8) +(dnf f-addsubx "+/- index address" () 20 1) +(dnf f-subd "+/- displ address" () 24 1) +(dnf f-pm "post-modify immediate" () 25 1) + +(dnf f-rm "short rm" () 9 3) ;; RM +(dnf f-rn "short rn" () 12 3) ;; RN +(dnf f-rd "short rd" () 15 3) ;; RD + +(dnf f-rm-x "extension rm" () 25 3) ;; RM +(dnf f-rn-x "extension rn" () 28 3) ;; RN +(dnf f-rd-x "extension rd" () 31 3) ;; RD + +(dnf f-dc-9-1 "DC" (RESERVED) 9 1) + +(dnf f-sn "short sn" () 12 3) ;; SN +(dnf f-sd "short sd" () 15 3) ;; SD + +(dnf f-sn-x "extension sn" () 28 3) ;; SN +(dnf f-sd-x "extension sd" () 31 3) ;; SD + + + +(dnf f-dc-7-4 "movts zeros" () 7 4) +(dnf f-trap-swi-9-1 "trap or swi" () 9 1) +(dnf f-gien-gidis-9-1 "gien or gidis" () 9 1) + + +(dnf f-dc-15-3 "DC" (RESERVED) 15 3) +(dnf f-dc-15-7 "DC" (RESERVED) 15 7) +(dnf f-dc-15-6 "DC" () 15 6) +(dnf f-trap-num "trap number" () 15 6) + +(dnf f-dc-20-1 "DC" (RESERVED) 20 1) + +(dnf f-dc-21-1 "DC" (RESERVED) 21 1) +(dnf f-dc-21-2 "DC" (RESERVED) 21 2) + +(dnf f-dc-22-3 "DC" (RESERVED) 22 3) +(dnf f-dc-22-2 "DC" (RESERVED) 22 2) +(dnf f-dc-22-1 "DC" (RESERVED) 22 1) + +(dnf f-dc-25-6 "DC" (RESERVED) 25 6) +(dnf f-dc-25-4 "DC" (RESERVED) 25 4) +(dnf f-dc-25-2 "DC" (RESERVED) 25 2) +(dnf f-dc-25-1 "DC" (RESERVED) 25 1) + +(dnf f-dc-28-1 "DC" (RESERVED) 28 1) +(dnf f-dc-31-3 "DC" (RESERVED) 31 3) + +(dnmf f-disp11 "Unsigned offset for load/store" () UINT (f-disp3 f-disp8) + (sequence () + (set (ifield f-disp8) (and (srl (ifield f-disp11) 3) (const 255))) + (set (ifield f-disp3) (and (ifield f-disp11) 7))) + (sequence () + (set (ifield f-disp11) (or (sll (ifield f-disp8) 3) + (ifield f-disp3))) + ) + ) + + +(dnmf f-sdisp11 "Signed offset for load/store" () INT (f-disp3 f-disp8) + (sequence () ;encode + (set (ifield f-disp8) (and #xff (srl SI (ifield f-sdisp11) 3))) + (set (ifield f-disp3) (and SI (ifield f-sdisp11) 7))) + (sequence () ;decode + (set (ifield f-sdisp11) + (sra SI (sll SI (or SI (sll (ifield f-disp8) 3) + (ifield f-disp3)) + 21) + 21))) + ) + +(dnmf f-imm16 "Short immediate for move/add/sub" () UINT (f-imm8 f-imm-27-8) + (sequence () + (set (ifield f-imm8) (and (ifield f-imm16) #xff)) + (set (ifield f-imm-27-8) (srl (ifield f-imm16) 8))) + (sequence () + (set (ifield f-imm16) (or (sll (ifield f-imm-27-8) 8) + (ifield f-imm8)))) + ) + + +;; 32 bit instructions have the register number broken into two non-contiguous fields + +(define-pmacro (x-reg-field reg) + (define-multi-ifield + (name (.sym "f-" reg "6")) + (mode UINT) + (subfields (.sym "f-" reg "-x") (.sym "f-" reg)) + (insert (sequence () + (set (ifield (.sym "f-" reg)) (and (ifield (.sym "f-" reg "6")) + (const 7))) + (set (ifield (.sym "f-" reg "-x")) (srl (ifield (.sym "f-" reg "6")) + (const 3))) + )) + (extract (sequence () + (set (ifield (.sym "f-" reg "6")) (or (sll (ifield (.sym "f-" reg "-x")) + (const 3)) + (ifield (.sym "f-" reg)))) + )) + ) + ) + +(x-reg-field rd) ; f-rd6 +(x-reg-field rn) ; f-rn6 +(x-reg-field rm) ; f-rm6 +(x-reg-field sd) ; f-sd6 +(x-reg-field sn) ; f-sn6 + + +;;;;;;;;;; + ; Enums. ; +;;;;;;;;;; + + ; insn-opc: bits 3..0 - major family selector +(define-normal-insn-enum insn-opc "opc enums" () OP4_ f-opc + ( + BRANCH16 ;; 0000 + LDSTR16X ;; 0001 + FLOW16 ;; 0010 + IMM16 ;; 0011 + LDSTR16D ;; 0100 + LDSTR16P ;; 0101 + LSHIFT16 ;; 0110 - logical shift + DSP16 ;; 0111 - 3 reg DSP 16 bit insns + BRANCH ;; 1000 + LDSTRX ;; 1001 + ALU16 ;; 1010 - 3 reg 16 bit + IMM32 ;; 1011 + LDSTRD ;; 1100 + LDSTRP ;; 1101 + ASHIFT16 ;; 1110 ASR, BITR + MISC ;; 1111 - 32 bit shifts, 3 reg ALU, 3 reg DSP, FLOW, BITR + ) + ) + +(define-normal-insn-enum insn-wordsize "memory access width" () OPW_ f-wordsize + ; specifies the size of a memory load/store operation + (BYTE SHORT WORD DOUBLE) + ) + +(define-normal-insn-enum insn-memory-access "memory access direction" () OP_ f-store + ; load=0, store=1 + (LOAD STORE) + ) + + ; enum for trap codes used by simulator +(define-normal-insn-enum trap-codes "trap instruction dispatch code" () TRAP_ f-trap-num + (write read open exit pass fail close other) + ) + + ; cond branch: bits 7..4 + ; +(define-normal-insn-enum insn-cond "branch conditions" () OPC_ f-condcode + (EQ NE GTU GTEU LTEU LTU GT GTE LT LTE BEQ BNE BLT BLTE B BL)) + + ; dsp 3 operand opcodes +(define-normal-insn-enum insn-bop "binary operator subcodes" () OPB_ f-opc-6-3 + (EOR ADD LSL SUB LSR AND ASR ORR)) + + ; dsp 3 operand opcodes +(define-normal-insn-enum insn-bopext "binary operator subcodes" () OPBE_ f-opc-6-3 + (FEXT FDEP LFSR - - - - -)) + + +(define-normal-insn-enum insn-fop "floating operators" () OPF_ f-opc-6-3 + (ADD SUB MUL MADD MSUB FLOAT FIX FABS)) + +(define-normal-insn-enum insn-fopexn "extended floating operators" () OPF_ f-opc-6-3 + (FRECIP FSQRT - - - - - -)) + + + + +; Immediate operation secondary opcodes +(define-normal-insn-enum insn-immop "immediate operators" () OPI_ f-opc-6-3 + (- ADD - SUB - - - TRAP) ; TRAP is special extension for simulator + ) + + ; don't care fields +(define-normal-insn-enum insn-dc-25-2 "don't cares" () OPI_25_2_ f-dc-25-2 + (MBZ)) + +; General Register keyword names. +(define-keyword + (name gr-names) + (print-name h-registers) + (prefix "") + (values +; some preferred aliases + (sb 9) (sl 10) (fp 11) (ip 12) (sp 13) (lr 14) +; the default register names + (r0 0) (r1 1) (r2 2) (r3 3) (r4 4) (r5 5) (r6 6) (r7 7) + (r8 8) (r9 9) (r10 10) (r11 11) (r12 12) (r13 13) (r14 14) (r15 15) + (r16 16) (r17 17) (r18 18) (r19 19) (r20 20) (r21 21) (r22 22) (r23 23) + (r24 24) (r25 25) (r26 26) (r27 27) (r28 28) (r29 29) (r30 30) (r31 31) + (r32 32) (r33 33) (r34 34) (r35 35) (r36 36) (r37 37) (r38 38) (r39 39) + (r40 40) (r41 41) (r42 42) (r43 43) (r44 44) (r45 45) (r46 46) (r47 47) + (r48 48) (r49 49) (r50 50) (r51 51) (r52 52) (r53 53) (r54 54) (r55 55) + (r56 56) (r57 57) (r58 58) (r59 59) (r60 60) (r61 61) (r62 62) (r63 63) +; some less popular aliases + (a1 0) (a2 1) (a3 2) (a4 3) (v1 4) (v2 5) (v3 6) (v4 7) + (v5 8) (v6 9) (v7 10) (v8 11) + ) + ) + +(define-normal-insn-enum post-index "+/- index register" () DIR_ f-addsubx (POSTINC POSTDEC)) + +(define-normal-insn-enum disp-post-modify "postmodify displacement" () PMOD_ f-pm (DISP POST)) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + ; Hardware pieces. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +;; 64 general-purpose registers +(define-hardware + (name h-registers) + (comment "all addressable registers") + (type register SI (64)) + (attrs PROFILE CACHE-ADDR) + (indices extern-keyword gr-names) + ) + + + +;; Same 64 registers as floating point registers +(define-hardware + (name h-fpregisters) + (comment "all GPRs as float values") + (type register SF (64)) + (attrs PROFILE VIRTUAL) + (indices extern-keyword gr-names) + (get (index) (subword SF (reg h-registers index) 0)) + (set (index newval) (set (reg h-registers index) (subword SI newval 0))) + ) + +;; define processor status bits as physical hardware + +(define-pmacro (psw-h-bit name cmt) + (dsh name cmt () (register BI))) + +(psw-h-bit h-zbit "integer zero bit") +(psw-h-bit h-nbit "integer neg bit") +(psw-h-bit h-cbit "integer carry bit") +(psw-h-bit h-vbit "integer overflow bit") +(psw-h-bit h-vsbit "integer overflow sticky") + + +(psw-h-bit h-bzbit "floating point zero bit") +(psw-h-bit h-bnbit "floating point neg bit") +(psw-h-bit h-bvbit "floating point ovfl bit") +(psw-h-bit h-bubit "floating point underfl bit") +(psw-h-bit h-bibit "floating point invalid bit") +(psw-h-bit h-bcbit "floating point carry bit") + +(psw-h-bit h-bvsbit "floating point overflow sticky") +(psw-h-bit h-bisbit "floating point invalid sticky") +(psw-h-bit h-busbit "floating point underflow sticky") + +(psw-h-bit h-expcause0bit "exceprion cause bit0") +(psw-h-bit h-expcause1bit "exceprion cause bit1") +(psw-h-bit h-expcause2bit "external load stalled bit") +(psw-h-bit h-extFstallbit "external fetch stalled bit") + +(psw-h-bit h-trmbit "0=round to nearest, 1=trunacte select bit") +(psw-h-bit h-invExcEnbit "invalid exception enable bit") +(psw-h-bit h-ovfExcEnbit "overflow exception enable bit") +(psw-h-bit h-unExcEnbit "underflow exception enablebit ") + +(psw-h-bit h-timer0bit0 "timer 0 mode selection 0") +(psw-h-bit h-timer0bit1 "timer 0 mode selection 1") +(psw-h-bit h-timer0bit2 "timer 0 mode selection 2") +(psw-h-bit h-timer0bit3 "timer 0 mode selection 3") +(psw-h-bit h-timer1bit0 "timer 1 mode selection 0") +(psw-h-bit h-timer1bit1 "timer 1 mode selection 1") +(psw-h-bit h-timer1bit2 "timer 1 mode selection 2") +(psw-h-bit h-timer1bit3 "timer 1 mode selection 3") + +(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") + () + (.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") + () + (.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") + () + (.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") + () + (.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" + () + (.str name " $rd6,[$rn6]") + (emit (.sym name "d.l") rd6 rn6 (dpmi 0) (disp11 0)) + ) + (dnmi (.sym name "dl0.l") "load with 0 disp" + () + (.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") + () + (.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") + () + (.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") + () + (.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") + () + (.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") + () + (.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" + () + (.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) + () + (.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) + () + (.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) + () + (.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) + () + (.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) + () + (.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) + () + (.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" + () + ("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) + () + (.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" + () + "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) + () + (.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) + () + (.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) + () + (.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) + () + (.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) + () + (.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) + + + + + diff --git a/cpu/epiphany.opc b/cpu/epiphany.opc new file mode 100755 index 0000000..22e2f76 --- /dev/null +++ b/cpu/epiphany.opc @@ -0,0 +1,416 @@ +/* Adapteva epiphany opcode support. -*- C -*- + + Copyright 2011 Free Software Foundation, Inc. + + Contributed by Embecosm on behalf of Adapteva, Inc. + + This file is part of the GNU Binutils and of GDB. + + 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. */ + +/* + Each section is delimited with start and end markers. + + <arch>-opc.h additions use: "-- opc.h" + <arch>-opc.c additions use: "-- opc.c" + <arch>-asm.c additions use: "-- asm.c" + <arch>-dis.c additions use: "-- dis.c" + <arch>-ibd.h additions use: "-- ibd.h". */ + +/* -- opc.h */ + +/* enumerate relaxation types for gas. */ +typedef enum epiphany_relax_types +{ + EPIPHANY_RELAX_NONE=0, + EPIPHANY_RELAX_NEED_RELAXING, + + EPIPHANY_RELAX_BRANCH_SHORT, /* Fits into +127..-128 */ + EPIPHANY_RELAX_BRANCH_LONG, /* b/bl/b<cond> +-2*16 */ + + EPIPHANY_RELAX_ARITH_SIMM3, /* add/sub -7..3 */ + EPIPHANY_RELAX_ARITH_SIMM11, /* add/sub -2**11-1 .. 2**10-1 */ + + EPIPHANY_RELAX_MOV_IMM8, /* mov r,imm8 */ + EPIPHANY_RELAX_MOV_IMM16, /* mov r,imm16 */ + + EPIPHANY_RELAX_LDST_IMM3, /* (ldr|str)* r,[r,disp3] */ + EPIPHANY_RELAX_LDST_IMM11 /* (ldr|str)* r,[r,disp11] */ + +} EPIPHANY_RELAX_TYPES; + +/* Override disassembly hashing... */ + +/* Can only depend on instruction having 4 decode bits which gets us to the + major groups of 16/32 instructions. */ +#undef CGEN_DIS_HASH_SIZE +#if 1 + +/* hash code on the 4 LSBs */ +#define CGEN_DIS_HASH_SIZE 16 + +#define CGEN_DIS_HASH(buf, value) ((*buf) & 0xf) +#else +#define CGEN_DIS_HASH_SIZE 1 +#define CGEN_DIS_HASH(buf, value) 0 +#endif + +extern const char * parse_shortregs (CGEN_CPU_DESC cd, + const char ** strp, + CGEN_KEYWORD * keywords, + long * valuep); + +extern const char * parse_branch_addr (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + int opinfo, + enum cgen_parse_operand_result * resultp, + unsigned long * valuep); + +/* Allows reason codes to be output when assembler errors occur. */ +#define CGEN_VERBOSE_ASSEMBLER_ERRORS + + +/* -- opc.c */ + + + +/* -- asm.c */ +const char * +parse_shortregs (CGEN_CPU_DESC cd, + const char ** strp, + CGEN_KEYWORD * keywords, + long * regno) +{ + const char * errmsg; + + /* Parse register. */ + errmsg = cgen_parse_keyword (cd, strp, keywords, regno); + + if (errmsg) + return errmsg; + + if (*regno > 7) + errmsg = _("register unavailable for short instructions"); + + return errmsg; +} + +static const char * parse_simm_not_reg (CGEN_CPU_DESC, const char **, int, + long *); + +static const char * +parse_uimm_not_reg (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + unsigned long * valuep) +{ + long * svalp = (void *) valuep; + return parse_simm_not_reg (cd, strp, opindex, svalp); +} + +/* Handle simm3/simm11/imm3/imm12. */ + +static const char * +parse_simm_not_reg (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + long * valuep) +{ + const char * errmsg; + + int sign = 0; + int bits = 0; + + switch (opindex) + { + case EPIPHANY_OPERAND_SIMM3: + sign = 1; bits = 3; break; + case EPIPHANY_OPERAND_SIMM11: + sign = 1; bits = 11; break; + case EPIPHANY_OPERAND_DISP3: + sign = 0; bits = 3; break; + case EPIPHANY_OPERAND_DISP11: + /* Load/store displacement is a sign-magnitude 12 bit value. */ + sign = 0; bits = 11; break; + } + + /* First try to parse as a register name and reject the operand. */ + errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names,valuep); + if (!errmsg) + return _("register name used as immediate value"); + + errmsg = (sign ? cgen_parse_signed_integer (cd, strp, opindex, valuep) + : cgen_parse_unsigned_integer (cd, strp, opindex, + (unsigned long *) valuep)); + if (errmsg) + return errmsg; + + if (sign) + errmsg = cgen_validate_signed_integer (*valuep, + -((1L << bits) - 1), (1 << (bits - 1)) - 1); + else + errmsg = cgen_validate_unsigned_integer (*valuep, 0, (1L << bits) - 1); + + return errmsg; +} + +static const char * +parse_postindex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + const char ** strp, + int opindex ATTRIBUTE_UNUSED, + bfd_vma * valuep) +{ + if (**strp == '#') + ++*strp; /* Skip leading hashes. */ + + if (**strp == '-') + { + *valuep = 1; + ++*strp; + } + else if (**strp == '+') + { + *valuep = 0; + ++*strp; + } + else + *valuep = 0; + + return NULL; +} + +static const char * +parse_imm8 (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + bfd_reloc_code_real_type code, + enum cgen_parse_operand_result * result_type, + bfd_vma * valuep) +{ + const char * errmsg; + enum cgen_parse_operand_result rt; + long dummyval; + + if (!result_type) + result_type = &rt; + + code = BFD_RELOC_NONE; + + if (!cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_gr_names, &dummyval) + || !cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_cr_names, + &dummyval)) + /* Don't treat "mov ip,ip" as a move-immediate. */ + return _("register source in immediate move"); + + errmsg = cgen_parse_address (cd, strp, opindex, code, result_type, valuep); + if (errmsg) + return errmsg; + + if (*result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + errmsg = cgen_validate_unsigned_integer (*valuep, 0, 0xff); + else + errmsg = _("byte relocation unsupported"); + + *valuep &= 0xff; + return errmsg; +} + +static const char * MISSING_CLOSE_PARENTHESIS = N_("missing `)'"); + +static const char * +parse_imm16 (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + bfd_reloc_code_real_type code ATTRIBUTE_UNUSED, + enum cgen_parse_operand_result * result_type, + bfd_vma * valuep) +{ + const char * errmsg; + enum cgen_parse_operand_result rt; + long dummyval; + + if (!result_type) + result_type = &rt; + + if (strncasecmp (*strp, "%high(", 6) == 0) + { + *strp += 6; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_EPIPHANY_HIGH, + result_type, valuep); + if (**strp != ')') + return MISSING_CLOSE_PARENTHESIS; + ++*strp; + *valuep >>= 16; + } + else if (strncasecmp (*strp, "%low(", 5) == 0) + { + *strp += 5; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_EPIPHANY_LOW, + result_type, valuep); + if (**strp != ')') + return MISSING_CLOSE_PARENTHESIS; + ++*strp; + } + else if (!cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_gr_names, + &dummyval) + || !cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_cr_names, + &dummyval)) + /* Don't treat "mov ip,ip" as a move-immediate. */ + return _("register source in immediate move"); + else + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_16, + result_type, valuep); + + if (!errmsg && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + errmsg = cgen_validate_unsigned_integer (*valuep, 0, 0xffff); + + *valuep &= 0xffff; + return errmsg; +} + +const char * +parse_branch_addr (CGEN_CPU_DESC cd, + const char ** strp, + int opindex, + int opinfo ATTRIBUTE_UNUSED, + enum cgen_parse_operand_result * resultp ATTRIBUTE_UNUSED, + unsigned long * valuep ATTRIBUTE_UNUSED) +{ + const char * errmsg; + enum cgen_parse_operand_result result_type; + bfd_reloc_code_real_type code = BFD_RELOC_NONE; + bfd_vma value; + + switch (opindex) + { + case EPIPHANY_OPERAND_SIMM24: + code = BFD_RELOC_EPIPHANY_SIMM24; + break; + + case EPIPHANY_OPERAND_SIMM8: + code = BFD_RELOC_EPIPHANY_SIMM8; + break; + + default: + errmsg = _("ABORT: unknown operand"); + return errmsg; + } + + errmsg = cgen_parse_address (cd, strp, opindex, code, + &result_type, &value); + if (errmsg == NULL) + { + if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + { + /* Act as if we had done a PC-relative branch, ala .+num. */ + char buf[20]; + const char * bufp = (const char *) buf; + + sprintf (buf, ".+%ld", value); + errmsg = cgen_parse_address (cd, &bufp, opindex, code, &result_type, + &value); + } + + if (result_type == CGEN_PARSE_OPERAND_RESULT_QUEUED) + { + /* This will happen for things like (s2-s1) where s2 and s1 + are labels. */ + /* Nothing further to be done. */ + } + else + errmsg = _("Not a pc-relative address."); + } + return errmsg; +} + +/* -- dis.c */ + +#define CGEN_PRINT_INSN epiphany_print_insn + +static int +epiphany_print_insn (CGEN_CPU_DESC cd, bfd_vma pc, disassemble_info *info) +{ + bfd_byte buf[CGEN_MAX_INSN_SIZE]; + int buflen; + int status; + + info->bytes_per_chunk = 2; + + /* Attempt to read the base part of the insn. */ + info->bytes_per_line = buflen = cd->base_insn_bitsize / 8; + status = (*info->read_memory_func) (pc, buf, buflen, info); + + /* Try again with the minimum part, if min < base. */ + if (status != 0 && (cd->min_insn_bitsize < cd->base_insn_bitsize)) + { + info->bytes_per_line = buflen = cd->min_insn_bitsize / 8; + status = (*info->read_memory_func) (pc, buf, buflen, info); + } + + if (status != 0) + { + (*info->memory_error_func) (status, pc, info); + return -1; + } + + return print_insn (cd, pc, info, buf, buflen); +} + + +static void +print_postindex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *) dis_info; + (*info->fprintf_func) (info->stream, value ? "-" : "+"); +} + +static void +print_simm_not_reg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + print_address (cd, dis_info, value, attrs, pc, length); +} + +static void +print_uimm_not_reg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + unsigned long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) +{ + disassemble_info *info = (disassemble_info *)dis_info; + + if (value & 0x800) + (*info->fprintf_func) (info->stream, "-"); + + value &= 0x7ff; + print_address (cd, dis_info, value, attrs, pc, length); +} + + +/* -- */ + |