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Diffstat (limited to 'cpu/fr30.cpu')
| -rw-r--r-- | cpu/fr30.cpu | 1861 |
1 files changed, 1861 insertions, 0 deletions
diff --git a/cpu/fr30.cpu b/cpu/fr30.cpu new file mode 100644 index 0000000..6c8e8ce --- /dev/null +++ b/cpu/fr30.cpu @@ -0,0 +1,1861 @@ +; Fujitsu FR30 CPU description. -*- Scheme -*- +; Copyright 2011 Free Software Foundation, Inc. +; +; Contributed by Red Hat Inc; +; +; 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. + +(define-rtl-version 0 8) + +(include "simplify.inc") + +; define-arch must appear first + +(define-arch + (name fr30) ; name of cpu family + (comment "Fujitsu FR30") + (default-alignment forced) + (insn-lsb0? #f) + (machs fr30) + (isas fr30) +) + +(define-isa + (name fr30) + (base-insn-bitsize 16) + (decode-assist (0 1 2 3 4 5 6 7)) ; Initial bitnumbers to decode insns by. + (liw-insns 1) ; The fr30 fetches 1 insn at a time. + (parallel-insns 1) ; The fr30 executes 1 insn at a time. +) + +(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 fr30bf) + (comment "Fujitsu FR30 base family") + (endian big) + (word-bitsize 32) +) + +(define-mach + (name fr30) + (comment "Generic FR30 cpu") + (cpu fr30bf) +) + +; Model descriptions. +; +(define-model + (name fr30-1) (comment "fr30-1") (attrs) + (mach fr30) + + (pipeline all "" () ((fetch) (decode) (execute) (writeback))) + + ; `state' is a list of variables for recording model state + (state + ; bit mask of h-gr registers loaded from memory by previous insn + (load-regs UINT) + ; bit mask of h-gr registers loaded from memory by current insn + (load-regs-pending UINT) + ) + + (unit u-exec "Execution Unit" () + 1 1 ; issue done + () ; state + ((Ri INT -1) (Rj INT -1)) ; inputs + ((Ri INT -1)) ; outputs + () ; profile action (default) + ) + (unit u-cti "Branch Unit" () + 1 1 ; issue done + () ; state + ((Ri INT -1)) ; inputs + ((pc)) ; outputs + () ; profile action (default) + ) + (unit u-load "Memory Load Unit" () + 1 1 ; issue done + () ; state + ((Rj INT -1) + ;(ld-mem AI) + ) ; inputs + ((Ri INT -1)) ; outputs + () ; profile action (default) + ) + (unit u-store "Memory Store Unit" () + 1 1 ; issue done + () ; state + ((Ri INT -1) (Rj INT -1)) ; inputs + () ; ((st-mem AI)) ; outputs + () ; profile action (default) + ) + (unit u-ldm "LDM Memory Load Unit" () + 1 1 ; issue done + () ; state + ((reglist INT)) ; inputs + () ; outputs + () ; profile action (default) + ) + (unit u-stm "STM Memory Store Unit" () + 1 1 ; issue done + () ; state + ((reglist INT)) ; inputs + () ; outputs + () ; profile action (default) + ) +) + +; The instruction fetch/execute cycle. +; +; This is how to fetch and decode an instruction. +; Leave it out for now + +; (define-extract (const SI 0)) + +; This is how to execute a decoded instruction. +; Leave it out for now + +; (define-execute (const SI 0)) + +; Instruction fields. +; +; Attributes: +; 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 + +(dnf f-op1 "1st 4 bits of opcode" () 0 4) +(dnf f-op2 "2nd 4 bits of opcode" () 4 4) +(dnf f-op3 "3rd 4 bits of opcode" () 8 4) +(dnf f-op4 "4th 4 bits of opcode" () 12 4) +(dnf f-op5 "5th bit of opcode" () 4 1) +(dnf f-cc "condition code" () 4 4) +(dnf f-ccc "coprocessor calc code" () 16 8) +(dnf f-Rj "register Rj" () 8 4) +(dnf f-Ri "register Ri" () 12 4) +(dnf f-Rs1 "register Rs" () 8 4) +(dnf f-Rs2 "register Rs" () 12 4) +(dnf f-Rjc "register Rj" () 24 4) +(dnf f-Ric "register Ri" () 28 4) +(dnf f-CRj "coprocessor register" () 24 4) +(dnf f-CRi "coprocessor register" () 28 4) +(dnf f-u4 "4 bit 0 extended" () 8 4) +(dnf f-u4c "4 bit 0 extended" () 12 4) +(df f-i4 "4 bit sign extended" () 8 4 INT #f #f) +(df f-m4 "4 bit minus extended" () 8 4 UINT + ((value pc) (and WI value (const #xf))) + ; ??? On a 64 bit host this doesn't get completely sign extended + ; if the value is recorded in a long, as it is during extraction. + ; Various fixes exist, pick one. + ((value pc) (or WI value (sll WI (const -1) (const 4)))) +) +(dnf f-u8 "8 bit unsigned" () 8 8) +(dnf f-i8 "8 bit unsigned" () 4 8) + +(dnf f-i20-4 "upper 4 bits of i20" () 8 4) +(dnf f-i20-16 "lower 16 bits of i20" () 16 16) +(dnmf f-i20 "20 bit unsigned" () UINT + (f-i20-4 f-i20-16) + (sequence () ; insert + (set (ifield f-i20-4) (srl (ifield f-i20) (const 16))) + (set (ifield f-i20-16) (and (ifield f-i20) (const #xffff))) + ) + (sequence () ; extract + (set (ifield f-i20) (or (sll (ifield f-i20-4) (const 16)) + (ifield f-i20-16))) + ) +) + +(dnf f-i32 "32 bit immediate" (SIGN-OPT) 16 32) + +(df f-udisp6 "6 bit unsigned offset" () 8 4 UINT + ((value pc) (srl UWI value (const 2))) + ((value pc) (sll UWI value (const 2))) +) +(df f-disp8 "8 bit signed offset" () 4 8 INT #f #f) +(df f-disp9 "9 bit signed offset" () 4 8 INT + ((value pc) (sra WI value (const 1))) + ((value pc) (sll WI value (const 1))) +) +(df f-disp10 "10 bit signed offset" () 4 8 INT + ((value pc) (sra WI value (const 2))) + ((value pc) (sll WI value (const 2))) +) +(df f-s10 "10 bit signed offset" () 8 8 INT + ((value pc) (sra WI value (const 2))) + ((value pc) (sll WI value (const 2))) +) +(df f-u10 "10 bit unsigned offset" () 8 8 UINT + ((value pc) (srl UWI value (const 2))) + ((value pc) (sll UWI value (const 2))) +) +(df f-rel9 "9 pc relative signed offset" (PCREL-ADDR) 8 8 INT + ((value pc) (sra WI (sub WI value (add WI pc (const 2))) (const 1))) + ((value pc) (add WI (sll WI value (const 1)) (add WI pc (const 2)))) +) +(dnf f-dir8 "8 bit direct address" () 8 8) +(df f-dir9 "9 bit direct address" () 8 8 UINT + ((value pc) (srl UWI value (const 1))) + ((value pc) (sll UWI value (const 1))) +) +(df f-dir10 "10 bit direct address" () 8 8 UINT + ((value pc) (srl UWI value (const 2))) + ((value pc) (sll UWI value (const 2))) +) +(df f-rel12 "12 bit pc relative signed offset" (PCREL-ADDR) 5 11 INT + ((value pc) (sra WI (sub WI value (add WI pc (const 2))) (const 1))) + ((value pc) (add WI (sll WI value (const 1)) (add WI pc (const 2)))) +) + +(dnf f-reglist_hi_st "8 bit register mask for stm" () 8 8) +(dnf f-reglist_low_st "8 bit register mask for stm" () 8 8) +(dnf f-reglist_hi_ld "8 bit register mask for ldm" () 8 8) +(dnf f-reglist_low_ld "8 bit register mask for ldm" () 8 8) + +; Enums. + +; insn-op1: bits 0-3 +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-op1 "insn op1 enums" () OP1_ f-op1 + ("0" "1" "2" "3" "4" "5" "6" "7" + "8" "9" "A" "B" "C" "D" "E" "F") +) + +; insn-op2: bits 4-7 +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-op2 "insn op2 enums" () OP2_ f-op2 + ("0" "1" "2" "3" "4" "5" "6" "7" + "8" "9" "A" "B" "C" "D" "E" "F") +) + +; insn-op3: bits 8-11 +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-op3 "insn op3 enums" () OP3_ f-op3 + ("0" "1" "2" "3" "4" "5" "6" "7" + "8" "9" "A" "B" "C" "D" "E" "F") +) + +; insn-op4: bits 12-15 +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-op4 "insn op4 enums" () OP4_ f-op4 + ("0") +) + +; insn-op5: bit 4 (5th bit origin 0) +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-op5 "insn op5 enums" () OP5_ f-op5 + ("0" "1") +) + +; insn-cc: condition codes +; FIXME: should use die macro or some such +(define-normal-insn-enum insn-cc "insn cc enums" () CC_ f-cc + ("ra" "no" "eq" "ne" "c" "nc" "n" "p" "v" "nv" "lt" "ge" "le" "gt" "ls" "hi") +) + +; Hardware pieces. +; These entries list the elements of the raw hardware. +; They're also used to provide tables and other elements of the assembly +; language. + +(dnh h-pc "program counter" (PC PROFILE) (pc) () () ()) + +(define-keyword + (name gr-names) + (enum-prefix H-GR-) + (values (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) + (ac 13) (fp 14) (sp 15)) +) + +(define-hardware + (name h-gr) + (comment "general registers") + (attrs PROFILE CACHE-ADDR) + (type register WI (16)) + (indices extern-keyword gr-names) +) + +(define-keyword + (name cr-names) + (enum-prefix H-CR-) + (values (cr0 0) (cr1 1) (cr2 2) (cr3 3) + (cr4 4) (cr5 5) (cr6 6) (cr7 7) + (cr8 8) (cr9 9) (cr10 10) (cr11 11) + (cr12 12) (cr13 13) (cr14 14) (cr15 15)) +) + +(define-hardware + (name h-cr) + (comment "coprocessor registers") + (attrs) + (type register WI (16)) + (indices extern-keyword cr-names) +) + +(define-keyword + (name dr-names) + (enum-prefix H-DR-) + (values (tbr 0) (rp 1) (ssp 2) (usp 3) (mdh 4) (mdl 5)) +) + +(define-hardware + (name h-dr) + (comment "dedicated registers") + (type register WI (6)) + (indices extern-keyword dr-names) + (get (index) (c-call WI "@cpu@_h_dr_get_handler" index)) + (set (index newval) (c-call VOID "@cpu@_h_dr_set_handler" index newval)) +) + +(define-hardware + (name h-ps) + (comment "processor status") + (type register UWI) + (indices keyword "" ((ps 0))) + (get () (c-call UWI "@cpu@_h_ps_get_handler")) + (set (newval) (c-call VOID "@cpu@_h_ps_set_handler" newval)) +) + +(dnh h-r13 "General Register 13 explicitly required" + () + (register WI) + (keyword "" ((r13 0))) + () () +) + +(dnh h-r14 "General Register 14 explicitly required" + () + (register WI) + (keyword "" ((r14 0))) + () () +) + +(dnh h-r15 "General Register 15 explicitly required" + () + (register WI) + (keyword "" ((r15 0))) + () () +) + +; These bits are actually part of the PS register but are accessed more +; often than the entire register, so define them directly. We can assemble +; the PS register from its components when necessary. + +(dsh h-nbit "negative bit" () (register BI)) +(dsh h-zbit "zero bit" () (register BI)) +(dsh h-vbit "overflow bit" () (register BI)) +(dsh h-cbit "carry bit" () (register BI)) +(dsh h-ibit "interrupt enable bit" () (register BI)) +(define-hardware + (name h-sbit) + (comment "stack bit") + (type register BI) + (get () (c-call BI "@cpu@_h_sbit_get_handler")) + (set (newval) (c-call VOID "@cpu@_h_sbit_set_handler" newval)) +) +(dsh h-tbit "trace trap bit" () (register BI)) +(dsh h-d0bit "division 0 bit" () (register BI)) +(dsh h-d1bit "division 1 bit" () (register BI)) + +; These represent sub-registers within the program status register + +(define-hardware + (name h-ccr) + (comment "condition code bits") + (type register UQI) + (get () (c-call UQI "@cpu@_h_ccr_get_handler")) + (set (newval) (c-call VOID "@cpu@_h_ccr_set_handler" newval)) +) +(define-hardware + (name h-scr) + (comment "system condition bits") + (type register UQI) + (get () (c-call UQI "@cpu@_h_scr_get_handler")) + (set (newval) (c-call VOID "@cpu@_h_scr_set_handler" newval)) +) +(define-hardware + (name h-ilm) + (comment "interrupt level mask") + (type register UQI) + (get () (c-call UQI "@cpu@_h_ilm_get_handler")) + (set (newval) (c-call VOID "@cpu@_h_ilm_set_handler" newval)) +) + +; Instruction Operands. +; These entries provide a layer between the assembler and the raw hardware +; description, and are used to refer to hardware elements in the semantic +; code. Usually there's a bit of over-specification, but in more complicated +; instruction sets there isn't. + +; FR30 specific operand attributes: + +(define-attr + (for operand) + (type boolean) + (name HASH-PREFIX) + (comment "immediates have an optional '#' prefix") +) + +; ??? Convention says this should be o-sr, but then the insn definitions +; should refer to o-sr which is clumsy. The "o-" could be implicit, but +; then it should be implicit for all the symbols here, but then there would +; be confusion between (f-)simm8 and (h-)simm8. +; So for now the rule is exactly as it appears here. + +(dnop Ri "destination register" () h-gr f-Ri) +(dnop Rj "source register" () h-gr f-Rj) +(dnop Ric "target register coproc insn" () h-gr f-Ric) +(dnop Rjc "source register coproc insn" () h-gr f-Rjc) +(dnop CRi "coprocessor register" () h-cr f-CRi) +(dnop CRj "coprocessor register" () h-cr f-CRj) +(dnop Rs1 "dedicated register" () h-dr f-Rs1) +(dnop Rs2 "dedicated register" () h-dr f-Rs2) +(dnop R13 "General Register 13" () h-r13 f-nil) +(dnop R14 "General Register 14" () h-r14 f-nil) +(dnop R15 "General Register 15" () h-r15 f-nil) +(dnop ps "Program Status register" () h-ps f-nil) +(dnop u4 "4 bit unsigned immediate" (HASH-PREFIX) h-uint f-u4) +(dnop u4c "4 bit unsigned immediate" (HASH-PREFIX) h-uint f-u4c) +(dnop u8 "8 bit unsigned immediate" (HASH-PREFIX) h-uint f-u8) +(dnop i8 "8 bit unsigned immediate" (HASH-PREFIX) h-uint f-i8) +(dnop udisp6 "6 bit unsigned immediate" (HASH-PREFIX) h-uint f-udisp6) +(dnop disp8 "8 bit signed immediate" (HASH-PREFIX) h-sint f-disp8) +(dnop disp9 "9 bit signed immediate" (HASH-PREFIX) h-sint f-disp9) +(dnop disp10 "10 bit signed immediate" (HASH-PREFIX) h-sint f-disp10) + +(dnop s10 "10 bit signed immediate" (HASH-PREFIX) h-sint f-s10) +(dnop u10 "10 bit unsigned immediate" (HASH-PREFIX) h-uint f-u10) +(dnop i32 "32 bit immediate" (HASH-PREFIX) h-uint f-i32) + +(define-operand + (name m4) + (comment "4 bit negative immediate") + (attrs HASH-PREFIX) + (type h-sint) + (index f-m4) + (handlers (print "m4")) +) + +(define-operand + (name i20) + (comment "20 bit immediate") + (attrs HASH-PREFIX) + (type h-uint) + (index f-i20) +) + +(dnop dir8 "8 bit direct address" () h-uint f-dir8) +(dnop dir9 "9 bit direct address" () h-uint f-dir9) +(dnop dir10 "10 bit direct address" () h-uint f-dir10) + +(dnop label9 "9 bit pc relative address" () h-iaddr f-rel9) +(dnop label12 "12 bit pc relative address" () h-iaddr f-rel12) + +(define-operand + (name reglist_low_ld) + (comment "8 bit low register mask for ldm") + (attrs) + (type h-uint) + (index f-reglist_low_ld) + (handlers (parse "low_register_list_ld") + (print "low_register_list_ld")) +) + +(define-operand + (name reglist_hi_ld) + (comment "8 bit high register mask for ldm") + (attrs) + (type h-uint) + (index f-reglist_hi_ld) + (handlers (parse "hi_register_list_ld") + (print "hi_register_list_ld")) +) + +(define-operand + (name reglist_low_st) + (comment "8 bit low register mask for stm") + (attrs) + (type h-uint) + (index f-reglist_low_st) + (handlers (parse "low_register_list_st") + (print "low_register_list_st")) +) + +(define-operand + (name reglist_hi_st) + (comment "8 bit high register mask for stm") + (attrs) + (type h-uint) + (index f-reglist_hi_st) + (handlers (parse "hi_register_list_st") + (print "hi_register_list_st")) +) + +(dnop cc "condition codes" () h-uint f-cc) +(dnop ccc "coprocessor calc" (HASH-PREFIX) h-uint f-ccc) + +(dnop nbit "negative bit" (SEM-ONLY) h-nbit f-nil) +(dnop vbit "overflow bit" (SEM-ONLY) h-vbit f-nil) +(dnop zbit "zero bit" (SEM-ONLY) h-zbit f-nil) +(dnop cbit "carry bit" (SEM-ONLY) h-cbit f-nil) +(dnop ibit "interrupt bit" (SEM-ONLY) h-ibit f-nil) +(dnop sbit "stack bit" (SEM-ONLY) h-sbit f-nil) +(dnop tbit "trace trap bit" (SEM-ONLY) h-tbit f-nil) +(dnop d0bit "division 0 bit" (SEM-ONLY) h-d0bit f-nil) +(dnop d1bit "division 1 bit" (SEM-ONLY) h-d1bit f-nil) + +(dnop ccr "condition code bits" (SEM-ONLY) h-ccr f-nil) +(dnop scr "system condition bits" (SEM-ONLY) h-scr f-nil) +(dnop ilm "interrupt level mask" (SEM-ONLY) h-ilm f-nil) + +; Instruction definitions. +; +; Notes: +; - dni is short for "define-normal-instruction" + +; FR30 specific insn attributes: + +(define-attr + (for insn) + (type boolean) + (name NOT-IN-DELAY-SLOT) + (comment "insn can't go in delay slot") +) + +; Sets zbit and nbit based on the value of x +; +(define-pmacro (set-z-and-n x) + (sequence () + (set zbit (eq x (const 0))) + (set nbit (lt x (const 0)))) +) + +; Binary integer instruction which sets status bits +; +(define-pmacro (binary-int-op name insn comment opc1 opc2 op arg1 arg2) + (dni name + (.str insn " " comment) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence () + (set vbit ((.sym op -oflag) arg2 arg1 (const 0))) + (set cbit ((.sym op -cflag) arg2 arg1 (const 0))) + (set arg2 (op arg2 arg1)) + (set-z-and-n arg2)) + () + ) +) + +; Binary integer instruction which does *not* set status bits +; +(define-pmacro (binary-int-op-n name insn comment opc1 opc2 op arg1 arg2) + (dni name + (.str insn " " comment) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (set arg2 (op arg2 arg1)) + () + ) +) + +; Binary integer instruction with carry which sets status bits +; +(define-pmacro (binary-int-op-c name insn comment opc1 opc2 op arg1 arg2) + (dni name + (.str insn " " comment) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence ((WI tmp)) + (set tmp ((.sym op c) arg2 arg1 cbit)) + (set vbit ((.sym op -oflag) arg2 arg1 cbit)) + (set cbit ((.sym op -cflag) arg2 arg1 cbit)) + (set arg2 tmp) + (set-z-and-n arg2)) + () + ) +) + +(binary-int-op add add "reg/reg" OP1_A OP2_6 add Rj Ri) +(binary-int-op addi add "immed/reg" OP1_A OP2_4 add u4 Ri) +(binary-int-op add2 add2 "immed/reg" OP1_A OP2_5 add m4 Ri) +(binary-int-op-c addc addc "reg/reg" OP1_A OP2_7 add Rj Ri) +(binary-int-op-n addn addn "reg/reg" OP1_A OP2_2 add Rj Ri) +(binary-int-op-n addni addn "immed/reg" OP1_A OP2_0 add u4 Ri) +(binary-int-op-n addn2 addn2 "immed/reg" OP1_A OP2_1 add m4 Ri) + +(binary-int-op sub sub "reg/reg" OP1_A OP2_C sub Rj Ri) +(binary-int-op-c subc subc "reg/reg" OP1_A OP2_D sub Rj Ri) +(binary-int-op-n subn subn "reg/reg" OP1_A OP2_E sub Rj Ri) + +; Integer compare instruction +; +(define-pmacro (int-cmp name insn comment opc1 opc2 arg1 arg2) + (dni name + (.str insn " " comment) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence ((WI tmp1)) + (set vbit (sub-oflag arg2 arg1 (const 0))) + (set cbit (sub-cflag arg2 arg1 (const 0))) + (set tmp1 (sub arg2 arg1)) + (set-z-and-n tmp1) + ) + () + ) +) + +(int-cmp cmp cmp "reg/reg" OP1_A OP2_A Rj Ri) +(int-cmp cmpi cmp "immed/reg" OP1_A OP2_8 u4 Ri) +(int-cmp cmp2 cmp2 "immed/reg" OP1_A OP2_9 m4 Ri) + +; Binary logical instruction +; +(define-pmacro (binary-logical-op name insn comment opc1 opc2 op arg1 arg2) + (dni name + (.str insn " " comment) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence () + (set arg2 (op arg2 arg1)) + (set-z-and-n arg2)) + () + ) +) + +(binary-logical-op and and "reg/reg" OP1_8 OP2_2 and Rj Ri) +(binary-logical-op or or "reg/reg" OP1_9 OP2_2 or Rj Ri) +(binary-logical-op eor eor "reg/reg" OP1_9 OP2_A xor Rj Ri) + +(define-pmacro (les-units model) ; les: load-exec-store + (model (unit u-exec) (unit u-load) (unit u-store)) +) + +; Binary logical instruction to memory +; +(define-pmacro (binary-logical-op-m name insn comment opc1 opc2 mode op arg1 arg2) + (dni name + (.str insn " " comment) + (NOT-IN-DELAY-SLOT) + (.str insn " $" arg1 ",@$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence ((mode tmp)) + (set mode tmp (op mode (mem mode arg2) arg1)) + (set-z-and-n tmp) + (set mode (mem mode arg2) tmp)) + ((les-units fr30-1)) + ) +) + +(binary-logical-op-m andm and "reg/mem" OP1_8 OP2_4 WI and Rj Ri) +(binary-logical-op-m andh andh "reg/mem" OP1_8 OP2_5 HI and Rj Ri) +(binary-logical-op-m andb andb "reg/mem" OP1_8 OP2_6 QI and Rj Ri) +(binary-logical-op-m orm or "reg/mem" OP1_9 OP2_4 WI or Rj Ri) +(binary-logical-op-m orh orh "reg/mem" OP1_9 OP2_5 HI or Rj Ri) +(binary-logical-op-m orb orb "reg/mem" OP1_9 OP2_6 QI or Rj Ri) +(binary-logical-op-m eorm eor "reg/mem" OP1_9 OP2_C WI xor Rj Ri) +(binary-logical-op-m eorh eorh "reg/mem" OP1_9 OP2_D HI xor Rj Ri) +(binary-logical-op-m eorb eorb "reg/mem" OP1_9 OP2_E QI xor Rj Ri) + +; Binary logical instruction to low half of byte in memory +; +(dni bandl + "bandl #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "bandl $u4,@$Ri" + (+ OP1_8 OP2_0 u4 Ri) + (set QI (mem QI Ri) + (and QI + (or QI u4 (const #xf0)) + (mem QI Ri))) + ((les-units fr30-1)) +) + +(dni borl + "borl #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "borl $u4,@$Ri" + (+ OP1_9 OP2_0 u4 Ri) + (set QI (mem QI Ri) (or QI u4 (mem QI Ri))) + ((les-units fr30-1)) +) + +(dni beorl + "beorl #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "beorl $u4,@$Ri" + (+ OP1_9 OP2_8 u4 Ri) + (set QI (mem QI Ri) (xor QI u4 (mem QI Ri))) + ((les-units fr30-1)) +) + +; Binary logical instruction to high half of byte in memory +; +(dni bandh + "bandh #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "bandh $u4,@$Ri" + (+ OP1_8 OP2_1 u4 Ri) + (set QI (mem QI Ri) + (and QI + (or QI (sll QI u4 (const 4)) (const #x0f)) + (mem QI Ri))) + ((les-units fr30-1)) +) + +(define-pmacro (binary-or-op-mh name insn opc1 opc2 op arg1 arg2) + (dni name + (.str name " #" arg1 ",@" args) + (NOT-IN-DELAY-SLOT) + (.str name " $" arg1 ",@$" arg2) + (+ opc1 opc2 arg1 arg2) + (set QI (mem QI arg2) + (insn QI + (sll QI arg1 (const 4)) + (mem QI arg2))) + ((les-units fr30-1)) + ) +) + +(binary-or-op-mh borh or OP1_9 OP2_1 or u4 Ri) +(binary-or-op-mh beorh xor OP1_9 OP2_9 xor u4 Ri) + +(dni btstl + "btstl #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "btstl $u4,@$Ri" + (+ OP1_8 OP2_8 u4 Ri) + (sequence ((QI tmp)) + (set tmp (and QI u4 (mem QI Ri))) + (set zbit (eq tmp (const 0))) + (set nbit (const 0))) + ((fr30-1 (unit u-load) (unit u-exec (cycles 2)))) +) + +(dni btsth + "btsth #u4,@Ri" + (NOT-IN-DELAY-SLOT) + "btsth $u4,@$Ri" + (+ OP1_8 OP2_9 u4 Ri) + (sequence ((QI tmp)) + (set tmp (and QI (sll QI u4 (const 4)) (mem QI Ri))) + (set zbit (eq tmp (const 0))) + (set nbit (lt tmp (const 0)))) + ((fr30-1 (unit u-load) (unit u-exec (cycles 2)))) +) + +(dni mul + "mul Rj,Ri" + (NOT-IN-DELAY-SLOT) + "mul $Rj,$Ri" + (+ OP1_A OP2_F Rj Ri) + (sequence ((DI tmp)) + (set tmp (mul DI (ext DI Rj) (ext DI Ri))) + (set (reg h-dr 5) (trunc WI tmp)) + (set (reg h-dr 4) (trunc WI (srl tmp (const 32)))) + (set nbit (lt (reg h-dr 5) (const 0))) + (set zbit (eq tmp (const DI 0))) + (set vbit (orif + (gt tmp (const DI #x7fffffff)) + (lt tmp (neg (const DI #x80000000)))))) + ((fr30-1 (unit u-exec (cycles 5)))) +) + +(dni mulu + "mulu Rj,Ri" + (NOT-IN-DELAY-SLOT) + "mulu $Rj,$Ri" + (+ OP1_A OP2_B Rj Ri) + (sequence ((DI tmp)) + (set tmp (mul DI (zext DI Rj) (zext DI Ri))) + (set (reg h-dr 5) (trunc WI tmp)) + (set (reg h-dr 4) (trunc WI (srl tmp (const 32)))) + (set nbit (lt (reg h-dr 4) (const 0))) + (set zbit (eq (reg h-dr 5) (const 0))) + (set vbit (ne (reg h-dr 4) (const 0)))) + ((fr30-1 (unit u-exec (cycles 5)))) +) + +(dni mulh + "mulh Rj,Ri" + (NOT-IN-DELAY-SLOT) + "mulh $Rj,$Ri" + (+ OP1_B OP2_F Rj Ri) + (sequence () + (set (reg h-dr 5) (mul (trunc HI Rj) (trunc HI Ri))) + (set nbit (lt (reg h-dr 5) (const 0))) + (set zbit (ge (reg h-dr 5) (const 0)))) + ((fr30-1 (unit u-exec (cycles 3)))) +) + +(dni muluh + "muluh Rj,Ri" + (NOT-IN-DELAY-SLOT) + "muluh $Rj,$Ri" + (+ OP1_B OP2_B Rj Ri) + (sequence () + (set (reg h-dr 5) (mul (and Rj (const #xffff)) + (and Ri (const #xffff)))) + (set nbit (lt (reg h-dr 5) (const 0))) + (set zbit (ge (reg h-dr 5) (const 0)))) + ((fr30-1 (unit u-exec (cycles 3)))) +) + +(dni div0s + "div0s Ri" + () + "div0s $Ri" + (+ OP1_9 OP2_7 OP3_4 Ri) + (sequence () + (set d0bit (lt (reg h-dr 5) (const 0))) + (set d1bit (xor d0bit (lt Ri (const 0)))) + (if (ne d0bit (const 0)) + (set (reg h-dr 4) (const #xffffffff)) + (set (reg h-dr 4) (const 0)))) + () +) + +(dni div0u + "div0u Ri" + () + "div0u $Ri" + (+ OP1_9 OP2_7 OP3_5 Ri) + (sequence () + (set d0bit (const 0)) + (set d1bit (const 0)) + (set (reg h-dr 4) (const 0))) + () +) + +(dni div1 + "div1 Ri" + () + "div1 $Ri" + (+ OP1_9 OP2_7 OP3_6 Ri) + (sequence ((WI tmp)) + (set (reg h-dr 4) (sll (reg h-dr 4) (const 1))) + (if (lt (reg h-dr 5) (const 0)) + (set (reg h-dr 4) (add (reg h-dr 4) (const 1)))) + (set (reg h-dr 5) (sll (reg h-dr 5) (const 1))) + (if (eq d1bit (const 1)) + (sequence () + (set tmp (add (reg h-dr 4) Ri)) + (set cbit (add-cflag (reg h-dr 4) Ri (const 0)))) + (sequence () + (set tmp (sub (reg h-dr 4) Ri)) + (set cbit (sub-cflag (reg h-dr 4) Ri (const 0))))) + (if (not (xor (xor d0bit d1bit) cbit)) + (sequence () + (set (reg h-dr 4) tmp) + (set (reg h-dr 5) (or (reg h-dr 5) (const 1))))) + (set zbit (eq (reg h-dr 4) (const 0)))) + () +) + +(dni div2 + "div2 Ri" + () + "div2 $Ri" + (+ OP1_9 OP2_7 OP3_7 Ri) + (sequence ((WI tmp)) + (if (eq d1bit (const 1)) + (sequence () + (set tmp (add (reg h-dr 4) Ri)) + (set cbit (add-cflag (reg h-dr 4) Ri (const 0)))) + (sequence () + (set tmp (sub (reg h-dr 4) Ri)) + (set cbit (sub-cflag (reg h-dr 4) Ri (const 0))))) + (if (eq tmp (const 0)) + (sequence () + (set zbit (const 1)) + (set (reg h-dr 4) (const 0))) + (set zbit (const 0)))) + () +) + +(dni div3 + "div3" + () + "div3" + (+ OP1_9 OP2_F OP3_6 OP4_0) + (if (eq zbit (const 1)) + (set (reg h-dr 5) (add (reg h-dr 5) (const 1)))) + () +) + +(dni div4s + "div4s" + () + "div4s" + (+ OP1_9 OP2_F OP3_7 OP4_0) + (if (eq d1bit (const 1)) + (set (reg h-dr 5) (neg (reg h-dr 5)))) + () +) + +(define-pmacro (leftshift-op name insn opc1 opc2 arg1 arg2 shift-expr) + (dni name + (.str insn " " arg1 "," arg2) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence ((WI shift)) + (set shift shift-expr) + (if (ne shift (const 0)) + (sequence () + (set cbit (ne (and arg2 + (sll (const 1) + (sub (const 32) shift))) + (const 0))) + (set arg2 (sll arg2 shift))) + (set cbit (const 0))) + (set nbit (lt arg2 (const 0))) + (set zbit (eq arg2 (const 0)))) + () + ) +) +(leftshift-op lsl lsl OP1_B OP2_6 Rj Ri (and Rj (const #x1f))) +(leftshift-op lsli lsl OP1_B OP2_4 u4 Ri u4) +(leftshift-op lsl2 lsl2 OP1_B OP2_5 u4 Ri (add u4 (const #x10))) + +(define-pmacro (rightshift-op name insn opc1 opc2 op arg1 arg2 shift-expr) + (dni name + (.str insn " " arg1 "," arg2) + () + (.str insn " $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (sequence ((WI shift)) + (set shift shift-expr) + (if (ne shift (const 0)) + (sequence () + (set cbit (ne (and arg2 + (sll (const 1) + (sub shift (const 1)))) + (const 0))) + (set arg2 (op arg2 shift))) + (set cbit (const 0))) + (set nbit (lt arg2 (const 0))) + (set zbit (eq arg2 (const 0)))) + () + ) +) +(rightshift-op lsr lsr OP1_B OP2_2 srl Rj Ri (and Rj (const #x1f))) +(rightshift-op lsri lsr OP1_B OP2_0 srl u4 Ri u4) +(rightshift-op lsr2 lsr2 OP1_B OP2_1 srl u4 Ri (add u4 (const #x10))) +(rightshift-op asr asr OP1_B OP2_A sra Rj Ri (and Rj (const #x1f))) +(rightshift-op asri asr OP1_B OP2_8 sra u4 Ri u4) +(rightshift-op asr2 asr2 OP1_B OP2_9 sra u4 Ri (add u4 (const #x10))) + +(dni ldi8 + "load 8 bit unsigned immediate" + () + "ldi:8 $i8,$Ri" + (+ OP1_C i8 Ri) + (set Ri i8) + () +) + +; Typing ldi:8 in in emacs is a pain. +(dnmi ldi8m "ldi:8 without the colon" + (NO-DIS) + "ldi8 $i8,$Ri" + (emit ldi8 i8 Ri) +) + +(dni ldi20 + "load 20 bit unsigned immediate" + (NOT-IN-DELAY-SLOT) + "ldi:20 $i20,$Ri" + (+ OP1_9 OP2_B Ri i20) + (set Ri i20) + ((fr30-1 (unit u-exec (cycles 2)))) +) + +; Typing ldi:20 in in emacs is a pain. +(dnmi ldi20m "ldi:20 without the colon" + (NO-DIS) + "ldi20 $i20,$Ri" + (emit ldi20 i20 Ri) +) + +(dni ldi32 + "load 32 bit immediate" + (NOT-IN-DELAY-SLOT) + "ldi:32 $i32,$Ri" + (+ OP1_9 OP2_F OP3_8 Ri i32) + (set Ri i32) + ((fr30-1 (unit u-exec (cycles 3)))) +) + +; Typing ldi:32 in in emacs is a pain. +(dnmi ldi32m "ldi:32 without the colon" + (NO-DIS) + "ldi32 $i32,$Ri" + (emit ldi32 i32 Ri) +) + +(define-pmacro (basic-ld name insn opc1 opc2 mode arg1 arg2) + (dni name + (.str name " @" arg1 "," arg2) + () + (.str name " @$" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (set arg2 (mem mode arg1)) + ((fr30-1 (unit u-load))) + ) +) + +(basic-ld ld ld OP1_0 OP2_4 WI Rj Ri) +(basic-ld lduh lduh OP1_0 OP2_5 UHI Rj Ri) +(basic-ld ldub ldub OP1_0 OP2_6 UQI Rj Ri) + +(define-pmacro (r13base-ld name insn opc1 opc2 mode arg1 arg2) + (dni name + (.str insn " @(R13," arg1 ")," arg2) + () + (.str insn " @($R13,$" arg1 "),$" arg2) + (+ opc1 opc2 arg1 arg2) + (set arg2 (mem mode (add arg1 (reg h-gr 13)))) + ((fr30-1 (unit u-load))) + ) +) + +(r13base-ld ldr13 ld OP1_0 OP2_0 WI Rj Ri) +(r13base-ld ldr13uh lduh OP1_0 OP2_1 UHI Rj Ri) +(r13base-ld ldr13ub ldub OP1_0 OP2_2 UQI Rj Ri) + +(define-pmacro (r14base-ld name insn opc1 mode arg1 arg2) + (dni name + (.str insn " @(R14," arg1 ")," arg2) + () + (.str insn " @($R14,$" arg1 "),$" arg2) + (+ opc1 arg1 arg2) + (set arg2 (mem mode (add arg1 (reg h-gr 14)))) + ((fr30-1 (unit u-load))) + ) +) + +(r14base-ld ldr14 ld OP1_2 WI disp10 Ri) +(r14base-ld ldr14uh lduh OP1_4 UHI disp9 Ri) +(r14base-ld ldr14ub ldub OP1_6 UQI disp8 Ri) + +(dni ldr15 + "ld @(R15,udisp6),Ri mem/reg" + () + "ld @($R15,$udisp6),$Ri" + (+ OP1_0 OP2_3 udisp6 Ri) + (set Ri (mem WI (add udisp6 (reg h-gr 15)))) + ((fr30-1 (unit u-load))) +) + +(dni ldr15gr + "ld @R15+,Ri" + () + "ld @$R15+,$Ri" + (+ OP1_0 OP2_7 OP3_0 Ri) + (sequence () + (set Ri (mem WI (reg h-gr 15))) + (if (ne (ifield f-Ri) (const 15)) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + ((fr30-1 (unit u-load))) +) + +; This insn loads a value from where r15 points into the target register and +; then increments r15. If the target register is also r15, then the post +; increment is not performed. +; +(dni ldr15dr + "ld @R15+,Rs2" + () + "ld @$R15+,$Rs2" + (+ OP1_0 OP2_7 OP3_8 Rs2) +; This seems more straight forward, but doesn't work due to a problem in +; cgen. We're trying to not increment r15 if it is the target register. +; (sequence () +; (set Rs2 (mem WI (reg h-gr 15))) +; (if (not (or (and (eq (ifield f-Rs2) (const 2)) +; (eq sbit (const 0))) +; (and (eq (ifield f-Rs2) (const 3)) +; (eq sbit (const 1))))) +; (set (reg h-gr 15) (add (reg h-gr 15) (const 4))) +; ) +; ) + (sequence ((WI tmp)) + (set tmp (mem WI (reg h-gr 15))) ; save in case target is r15 + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))) + (set Rs2 tmp)) + ((fr30-1 (unit u-load))) +) + +(dni ldr15ps + "ld @R15+,ps mem/reg" + (NOT-IN-DELAY-SLOT) + "ld @$R15+,$ps" + (+ OP1_0 OP2_7 OP3_9 OP4_0) + (sequence () + (set ps (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4)))) + ((fr30-1 (unit u-load))) +) + +(define-pmacro (basic-st name insn opc1 opc2 mode arg1 arg2) + (dni name + (.str name " " arg1 ",@" arg2) + () + (.str name " $" arg1 ",@$" arg2) + (+ opc1 opc2 arg1 arg2) + (set (mem mode arg2) arg1) + ((fr30-1 (unit u-store))) + ) +) + +(basic-st st st OP1_1 OP2_4 WI Ri Rj) +(basic-st sth sth OP1_1 OP2_5 HI Ri Rj) +(basic-st stb stb OP1_1 OP2_6 QI Ri Rj) + +(define-pmacro (r13base-st name insn opc1 opc2 mode arg1 arg2) + (dni name + (.str insn " " arg1 ",@(R13," arg2 ")") + () + (.str insn " $" arg1 ",@($R13,$" arg2 ")") + (+ opc1 opc2 arg1 arg2) + (set (mem mode (add arg2 (reg h-gr 13))) arg1) + ((fr30-1 (unit u-store))) + ) +) + +(r13base-st str13 st OP1_1 OP2_0 WI Ri Rj) +(r13base-st str13h sth OP1_1 OP2_1 HI Ri Rj) +(r13base-st str13b stb OP1_1 OP2_2 QI Ri Rj) + +(define-pmacro (r14base-st name insn opc1 mode arg1 arg2) + (dni name + (.str insn " " arg1 ",@(R14," arg2 ")") + () + (.str insn " $" arg1 ",@($R14,$" arg2 ")") + (+ opc1 arg1 arg2) + (set (mem mode (add arg2 (reg h-gr 14))) arg1) + ((fr30-1 (unit u-store))) + ) +) + +(r14base-st str14 st OP1_3 WI Ri disp10) +(r14base-st str14h sth OP1_5 HI Ri disp9) +(r14base-st str14b stb OP1_7 QI Ri disp8) + +(dni str15 + "st Ri,@(R15,udisp6) reg/mem" + () + "st $Ri,@($R15,$udisp6)" + (+ OP1_1 OP2_3 udisp6 Ri) + (set (mem WI (add (reg h-gr 15) udisp6)) Ri) + ((fr30-1 (unit u-store))) +) + +; These store insns predecrement r15 and then store the contents of the source +; register where r15 then points. If the source register is also r15, then the +; original value of r15 is stored. +; +(dni str15gr + "st Ri,@-R15 reg/mem" + () + "st $Ri,@-$R15" + (+ OP1_1 OP2_7 OP3_0 Ri) + (sequence ((WI tmp)) + (set tmp Ri) ; save in case it's r15 + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) tmp)) + ((fr30-1 (unit u-store))) +) + +(dni str15dr + "st Rs,@-R15 reg/mem" + () + "st $Rs2,@-$R15" + (+ OP1_1 OP2_7 OP3_8 Rs2) + (sequence ((WI tmp)) + (set tmp Rs2) ; save in case it's r15 + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) tmp)) + ((fr30-1 (unit u-store))) +) + +(dni str15ps + "st ps,@-R15 reg/mem" + () + "st $ps,@-$R15" + (+ OP1_1 OP2_7 OP3_9 OP4_0) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) ps)) + ((fr30-1 (unit u-store))) +) + +(define-pmacro (mov2gr name opc1 opc2 arg1 arg2) + (dni name + (.str "mov " arg1 "," arg2) + () + (.str "mov $" arg1 ",$" arg2) + (+ opc1 opc2 arg1 arg2) + (set arg2 arg1) + () + ) +) + +(mov2gr mov OP1_8 OP2_B Rj Ri) +(mov2gr movdr OP1_B OP2_7 Rs1 Ri) + +(dni movps + "mov ps,Ri reg/reg" + () + "mov $ps,$Ri" + (+ OP1_1 OP2_7 OP3_1 Ri) + (set Ri ps) + () +) + +(dni mov2dr + "mov Ri,Rs reg/reg" + () + "mov $Ri,$Rs1" + (+ OP1_B OP2_3 Rs1 Ri) + (set Rs1 Ri) + () +) + +(dni mov2ps + "mov Ri,ps reg/reg" + () + "mov $Ri,$ps" + (+ OP1_0 OP2_7 OP3_1 Ri) + (set ps Ri) + () +) + +(dni jmp + "jmp with no delay slot" + (NOT-IN-DELAY-SLOT) + "jmp @$Ri" + (+ OP1_9 OP2_7 OP3_0 Ri) + (set pc Ri) + ((fr30-1 (unit u-cti))) +) + +(dni jmpd "jmp with delay slot" + (NOT-IN-DELAY-SLOT) + "jmp:d @$Ri" + (+ OP1_9 OP2_F OP3_0 Ri) + (delay (const 1) + (set pc Ri)) + ((fr30-1 (unit u-cti))) +) + +; These versions which use registers must appear before the other +; versions which use relative addresses due to a problem in cgen +; - DB. +(dni callr + "call @Ri" + (NOT-IN-DELAY-SLOT) + "call @$Ri" + (+ OP1_9 OP2_7 OP3_1 Ri) + (sequence () + (set (reg h-dr 1) (add pc (const 2))) + (set pc Ri)) + ((fr30-1 (unit u-cti))) +) +(dni callrd + "call:d @Ri" + (NOT-IN-DELAY-SLOT) + "call:d @$Ri" + (+ OP1_9 OP2_F OP3_1 Ri) + (delay (const 1) + (sequence () + (set (reg h-dr 1) (add pc (const 4))) + (set pc Ri))) + ((fr30-1 (unit u-cti))) +) +; end of reordered insns + +(dni call + "call relative to pc" + (NOT-IN-DELAY-SLOT) + "call $label12" + (+ OP1_D OP5_0 label12) + (sequence () + (set (reg h-dr 1) (add pc (const 2))) + (set pc label12)) + ((fr30-1 (unit u-cti))) +) +(dni calld + "call relative to pc" + (NOT-IN-DELAY-SLOT) + "call:d $label12" + (+ OP1_D OP5_1 label12) + (delay (const 1) + (sequence () + (set (reg h-dr 1) (add pc (const 4))) + (set pc label12))) + ((fr30-1 (unit u-cti))) +) + +(dni ret + "return from subroutine" + (NOT-IN-DELAY-SLOT) + "ret" + (+ OP1_9 OP2_7 OP3_2 OP4_0) + (set pc (reg h-dr 1)) + ((fr30-1 (unit u-cti))) +) + +(dni ret:d + "return from subroutine with delay slot" + (NOT-IN-DELAY-SLOT) + "ret:d" + (+ OP1_9 OP2_F OP3_2 OP4_0) + (delay (const 1) + (set pc (reg h-dr 1))) + ((fr30-1 (unit u-cti))) +) + +(dni int + "interrupt" + (NOT-IN-DELAY-SLOT) + "int $u8" + (+ OP1_1 OP2_F u8) + (sequence () + ; This is defered to fr30_int because for the breakpoint case + ; we want to change as little of the machine state as possible. + ; Push PS onto the system stack + ;(set (reg h-dr 2) (sub (reg h-dr 2) (const 4))) + ;(set UWI (mem UWI (reg h-dr 2)) ps) + ; Push the return address onto the system stack + ;(set (reg h-dr 2) (sub (reg h-dr 2) (const 4))) + ;(set UWI (mem UWI (reg h-dr 2)) (add pc (const 2))) + ; Set status bits + ;(set ibit (const 0)) + ;(set sbit (const 0)) + + ; We still should indicate what is modified by this insn. + (clobber (reg h-dr 2)) + (clobber ibit) + (clobber sbit) + ; ??? (clobber memory)? + + ; fr30_int handles operating vs user mode + (set WI pc (c-call WI "fr30_int" pc u8)) + ) + ; This is more properly a cti, but branch stall calculation is different. + ((fr30-1 (unit u-exec (cycles 6)))) +) + +(dni inte + "interrupt for emulator" + (NOT-IN-DELAY-SLOT) + "inte" + (+ OP1_9 OP2_F OP3_3 OP4_0) + (sequence () + ; This is defered to fr30_inte because for the breakpoint case + ; we want to change as little of the machine state as possible. + ; Push PS onto the system stack + ;(set (reg h-dr 2) (sub (reg h-dr 2) (const 4))) + ;(set UWI (mem UWI (reg h-dr 2)) ps) + ; Push the return address onto the system stack + ;(set (reg h-dr 2) (sub (reg h-dr 2) (const 4))) + ;(set UWI (mem UWI (reg h-dr 2)) (add pc (const 2))) + ; Set status bits + ;(set ibit (const 0)) + ;(set ilm (const 4)) + + ; We still should indicate what is modified by this insn. + (clobber (reg h-dr 2)) + (clobber ibit) + (clobber ilm) + ; ??? (clobber memory)? + + ; fr30_int handles operating vs user mode + (set WI pc (c-call WI "fr30_inte" pc)) + ) + ; This is more properly a cti, but branch stall calculation is different. + ((fr30-1 (unit u-exec (cycles 6)))) +) + +(dni reti + "return from interrupt" + (NOT-IN-DELAY-SLOT) + "reti" + (+ OP1_9 OP2_7 OP3_3 OP4_0) + (if (eq sbit (const 0)) + (sequence () + ; Pop the return address from the system stack + (set UWI pc (mem UWI (reg h-dr 2))) + (set (reg h-dr 2) (add (reg h-dr 2) (const 4))) + ; Pop PS from the system stack + (set UWI ps (mem UWI (reg h-dr 2))) + (set (reg h-dr 2) (add (reg h-dr 2) (const 4))) + ) + (sequence () + ; Pop the return address from the user stack + (set UWI pc (mem UWI (reg h-dr 3))) + (set (reg h-dr 3) (add (reg h-dr 3) (const 4))) + ; Pop PS from the user stack + (set UWI ps (mem UWI (reg h-dr 3))) + (set (reg h-dr 3) (add (reg h-dr 3) (const 4))) + ) + ) + ; This is more properly a cti, but branch stall calculation is different. + ((fr30-1 (unit u-exec (cycles 4)))) +) + +; Conditional branches with and without delay slots +; +(define-pmacro (cond-branch cc condition) + (begin + (dni (.sym b cc d) + (.str (.sym b cc :d) " label9") + (NOT-IN-DELAY-SLOT) + (.str (.sym b cc :d) " $label9") + (+ OP1_F (.sym CC_ cc) label9) + (delay (const 1) + (if condition (set pc label9))) + ((fr30-1 (unit u-cti))) + ) + (dni (.sym b cc) + (.str (.sym b cc) " label9") + (NOT-IN-DELAY-SLOT) + (.str (.sym b cc) " $label9") + (+ OP1_E (.sym CC_ cc) label9) + (if condition (set pc label9)) + ((fr30-1 (unit u-cti))) + ) + ) +) + +(cond-branch ra (const BI 1)) +(cond-branch no (const BI 0)) +(cond-branch eq zbit) +(cond-branch ne (not zbit)) +(cond-branch c cbit) +(cond-branch nc (not cbit)) +(cond-branch n nbit) +(cond-branch p (not nbit)) +(cond-branch v vbit) +(cond-branch nv (not vbit)) +(cond-branch lt (xor vbit nbit)) +(cond-branch ge (not (xor vbit nbit))) +(cond-branch le (or (xor vbit nbit) zbit)) +(cond-branch gt (not (or (xor vbit nbit) zbit))) +(cond-branch ls (or cbit zbit)) +(cond-branch hi (not (or cbit zbit))) + +(define-pmacro (dir2r13 name insn opc1 opc2 mode arg1) + (dni name + (.str insn " @" arg1 ",R13") + () + (.str insn " @$" arg1 ",$R13") + (+ opc1 opc2 arg1) + (set (reg h-gr 13) (mem mode arg1)) + ((fr30-1 (unit u-load))) + ) +) + +(define-pmacro (dir2r13-postinc name insn opc1 opc2 mode arg1 incr) + (dni name + (.str insn " @" arg1 ",@R13+") + (NOT-IN-DELAY-SLOT) + (.str insn " @$" arg1 ",@$R13+") + (+ opc1 opc2 arg1) + (sequence () + (set (mem mode (reg h-gr 13)) (mem mode arg1)) + (set (reg h-gr 13) (add (reg h-gr 13) incr))) + ((fr30-1 (unit u-load) (unit u-store))) + ) +) + +(define-pmacro (r132dir name insn opc1 opc2 mode arg1) + (dni name + (.str insn " R13,@" arg1) + () + (.str insn " $R13,@$" arg1) + (+ opc1 opc2 arg1) + (set (mem mode arg1) (reg h-gr 13)) + ((fr30-1 (unit u-store))) + ) +) + +(define-pmacro (r13-postinc2dir name insn opc1 opc2 mode arg1 incr) + (dni name + (.str insn " @R13+,@" arg1) + (NOT-IN-DELAY-SLOT) + (.str insn " @$R13+,@$" arg1) + (+ opc1 opc2 arg1) + (sequence () + (set (mem mode arg1) (mem mode (reg h-gr 13))) + (set (reg h-gr 13) (add (reg h-gr 13) incr))) + ((fr30-1 (unit u-load) (unit u-store))) + ) +) + +; These versions which move from reg to mem must appear before the other +; versions which use immediate addresses due to a problem in cgen +; - DB. +(r132dir dmovr13 dmov OP1_1 OP2_8 WI dir10) +(r132dir dmovr13h dmovh OP1_1 OP2_9 HI dir9) +(r132dir dmovr13b dmovb OP1_1 OP2_A QI dir8) + +(r13-postinc2dir dmovr13pi dmov OP1_1 OP2_C WI dir10 (const 4)) +(r13-postinc2dir dmovr13pih dmovh OP1_1 OP2_D HI dir9 (const 2)) +(r13-postinc2dir dmovr13pib dmovb OP1_1 OP2_E QI dir8 (const 1)) + +(dni dmovr15pi + "dmov @R15+,@dir10" + (NOT-IN-DELAY-SLOT) + "dmov @$R15+,@$dir10" + (+ OP1_1 OP2_B dir10) + (sequence () + (set (mem WI dir10) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4)))) + ((fr30-1 (unit u-load) (unit u-store))) +) +; End of reordered insns. + +(dir2r13 dmov2r13 dmov OP1_0 OP2_8 WI dir10) +(dir2r13 dmov2r13h dmovh OP1_0 OP2_9 HI dir9) +(dir2r13 dmov2r13b dmovb OP1_0 OP2_A QI dir8) + +(dir2r13-postinc dmov2r13pi dmov OP1_0 OP2_C WI dir10 (const 4)) +(dir2r13-postinc dmov2r13pih dmovh OP1_0 OP2_D HI dir9 (const 2)) +(dir2r13-postinc dmov2r13pib dmovb OP1_0 OP2_E QI dir8 (const 1)) + +(dni dmov2r15pd + "dmov @dir10,@-R15" + (NOT-IN-DELAY-SLOT) + "dmov @$dir10,@-$R15" + (+ OP1_0 OP2_B dir10) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (mem WI dir10))) + ((fr30-1 (unit u-load) (unit u-store))) +) + +; Leave these insns as stubs for now, except for the increment of $Ri +; +(dni ldres + "ldres @Ri+,#u4" + () + "ldres @$Ri+,$u4" + (+ OP1_B OP2_C u4 Ri) + (set Ri (add Ri (const 4))) + () +) + +(dni stres + "stres #u4,@Ri+" + () + "stres $u4,@$Ri+" + (+ OP1_B OP2_D u4 Ri) + (set Ri (add Ri (const 4))) + () +) + +; Leave the coprocessor insns as stubs for now. +; +(define-pmacro (cop-stub name insn opc1 opc2 opc3 arg1 arg2) + (dni name + (.str insn " u4c,ccc,CRj," arg1 "," arg2) + (NOT-IN-DELAY-SLOT) + (.str insn " $u4c,$ccc,$" arg1 ",$" arg2) + (+ opc1 opc2 opc3 u4c ccc arg1 arg2) + (nop) ; STUB + () + ) +) + +(cop-stub copop copop OP1_9 OP2_F OP3_C CRj CRi) +(cop-stub copld copld OP1_9 OP2_F OP3_D Rjc CRi) +(cop-stub copst copst OP1_9 OP2_F OP3_E CRj Ric) +(cop-stub copsv copsv OP1_9 OP2_F OP3_F CRj Ric) + +(dni nop + "nop" + () + "nop" + (+ OP1_9 OP2_F OP3_A OP4_0) + (nop) + () +) + +(dni andccr + "andccr #u8" + () + "andccr $u8" + (+ OP1_8 OP2_3 u8) + (set ccr (and ccr u8)) + () +) + +(dni orccr + "orccr #u8" + () + "orccr $u8" + (+ OP1_9 OP2_3 u8) + (set ccr (or ccr u8)) + () +) + +(dni stilm + "stilm #u8" + () + "stilm $u8" + (+ OP1_8 OP2_7 u8) + (set ilm (and u8 (const #x1f))) + () +) + +(dni addsp + "addsp #s10" + () + "addsp $s10" + (+ OP1_A OP2_3 s10) + (set (reg h-gr 15) (add (reg h-gr 15) s10)) + () +) + +(define-pmacro (ext-op name opc1 opc2 opc3 op mode mask) + (dni name + (.str name " Ri") + () + (.str name " $Ri") + (+ opc1 opc2 opc3 Ri) + (set Ri (op WI (and mode Ri mask))) + () + ) +) + +(ext-op extsb OP1_9 OP2_7 OP3_8 ext QI (const #xff)) +(ext-op extub OP1_9 OP2_7 OP3_9 zext UQI (const #xff)) +(ext-op extsh OP1_9 OP2_7 OP3_A ext HI (const #xffff)) +(ext-op extuh OP1_9 OP2_7 OP3_B zext UHI (const #xffff)) + +(dni ldm0 + "ldm0 (reglist_low_ld)" + (NOT-IN-DELAY-SLOT) + "ldm0 ($reglist_low_ld)" + (+ OP1_8 OP2_C reglist_low_ld) + (sequence () + (if (and reglist_low_ld (const #x1)) + (sequence () + (set (reg h-gr 0) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x2)) + (sequence () + (set (reg h-gr 1) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x4)) + (sequence () + (set (reg h-gr 2) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x8)) + (sequence () + (set (reg h-gr 3) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x10)) + (sequence () + (set (reg h-gr 4) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x20)) + (sequence () + (set (reg h-gr 5) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x40)) + (sequence () + (set (reg h-gr 6) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_low_ld (const #x80)) + (sequence () + (set (reg h-gr 7) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + ) + ((fr30-1 (unit u-ldm))) +) + +(dni ldm1 + "ldm1 (reglist_hi_ld)" + (NOT-IN-DELAY-SLOT) + "ldm1 ($reglist_hi_ld)" + (+ OP1_8 OP2_D reglist_hi_ld) + (sequence () + (if (and reglist_hi_ld (const #x1)) + (sequence () + (set (reg h-gr 8) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x2)) + (sequence () + (set (reg h-gr 9) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x4)) + (sequence () + (set (reg h-gr 10) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x8)) + (sequence () + (set (reg h-gr 11) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x10)) + (sequence () + (set (reg h-gr 12) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x20)) + (sequence () + (set (reg h-gr 13) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x40)) + (sequence () + (set (reg h-gr 14) (mem WI (reg h-gr 15))) + (set (reg h-gr 15) (add (reg h-gr 15) (const 4))))) + (if (and reglist_hi_ld (const #x80)) + (set (reg h-gr 15) (mem WI (reg h-gr 15)))) + ) + ((fr30-1 (unit u-ldm))) +) + +(dni stm0 + "stm0 (reglist_low_st)" + (NOT-IN-DELAY-SLOT) + "stm0 ($reglist_low_st)" + (+ OP1_8 OP2_E reglist_low_st) + (sequence () + (if (and reglist_low_st (const #x1)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 7)))) + (if (and reglist_low_st (const #x2)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 6)))) + (if (and reglist_low_st (const #x4)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 5)))) + (if (and reglist_low_st (const #x8)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 4)))) + (if (and reglist_low_st (const #x10)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 3)))) + (if (and reglist_low_st (const #x20)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 2)))) + (if (and reglist_low_st (const #x40)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 1)))) + (if (and reglist_low_st (const #x80)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 0)))) + ) + ((fr30-1 (unit u-stm))) +) + +(dni stm1 + "stm1 (reglist_hi_st)" + (NOT-IN-DELAY-SLOT) + "stm1 ($reglist_hi_st)" + (+ OP1_8 OP2_F reglist_hi_st) + (sequence () + (if (and reglist_hi_st (const #x1)) + (sequence ((WI save-r15)) + (set save-r15 (reg h-gr 15)) + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) save-r15))) + (if (and reglist_hi_st (const #x2)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 14)))) + (if (and reglist_hi_st (const #x4)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 13)))) + (if (and reglist_hi_st (const #x8)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 12)))) + (if (and reglist_hi_st (const #x10)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 11)))) + (if (and reglist_hi_st (const #x20)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 10)))) + (if (and reglist_hi_st (const #x40)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 9)))) + (if (and reglist_hi_st (const #x80)) + (sequence () + (set (reg h-gr 15) (sub (reg h-gr 15) (const 4))) + (set (mem WI (reg h-gr 15)) (reg h-gr 8)))) + ) + ((fr30-1 (unit u-stm))) +) + +(dni enter + "enter #u10" + (NOT-IN-DELAY-SLOT) + "enter $u10" + (+ OP1_0 OP2_F u10) + (sequence ((WI tmp)) + (set tmp (sub (reg h-gr 15) (const 4))) + (set (mem WI tmp) (reg h-gr 14)) + (set (reg h-gr 14) tmp) + (set (reg h-gr 15) (sub (reg h-gr 15) u10))) + ((fr30-1 (unit u-exec (cycles 2)))) +) + +(dni leave + "leave" + () + "leave" + (+ OP1_9 OP2_F OP3_9 OP4_0) + (sequence () + (set (reg h-gr 15) (add (reg h-gr 14) (const 4))) + (set (reg h-gr 14) (mem WI (sub (reg h-gr 15) (const 4))))) + () +) + +(dni xchb + "xchb @Rj,Ri" + (NOT-IN-DELAY-SLOT) + "xchb @$Rj,$Ri" + (+ OP1_8 OP2_A Rj Ri) + (sequence ((WI tmp)) + (set tmp Ri) + (set Ri (mem UQI Rj)) + (set (mem UQI Rj) tmp)) + ((fr30-1 (unit u-load) (unit u-store))) +) |