diff options
| author | Andrew Cagney <cagney@redhat.com> | 2003-06-06 21:49:30 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2003-06-06 21:49:30 +0000 |
| commit | 539ee71a87838a10f843d7b1ef64975afba1b20e (patch) | |
| tree | 29ead34df48d800fc3dbf2e44add2ee5e17877cf | |
| parent | 20c6c2f878da4b813fed412aa818292c4b87b338 (diff) | |
| download | gdb-539ee71a87838a10f843d7b1ef64975afba1b20e.zip gdb-539ee71a87838a10f843d7b1ef64975afba1b20e.tar.gz gdb-539ee71a87838a10f843d7b1ef64975afba1b20e.tar.bz2 | |
2003-06-06 Andrew Cagney <cagney@redhat.com>
Contributed by Red Hat.
* iq2000.cpu: New file. Written by Ben Elliston, Jeff Johnston,
Stan Cox, and Frank Ch. Eigler.
* iq2000.opc: New file. Written by Ben Elliston, Frank
Ch. Eigler, Chris Moller, Jeff Johnston, and Stan Cox.
* iq2000m.cpu: New file. Written by Jeff Johnston.
* iq10.cpu: New file. Written by Jeff Johnston.
| -rw-r--r-- | cpu/ChangeLog | 10 | ||||
| -rw-r--r-- | cpu/iq10.cpu | 1111 | ||||
| -rw-r--r-- | cpu/iq2000.cpu | 1199 | ||||
| -rw-r--r-- | cpu/iq2000.opc | 324 | ||||
| -rw-r--r-- | cpu/iq2000m.cpu | 630 |
5 files changed, 3274 insertions, 0 deletions
diff --git a/cpu/ChangeLog b/cpu/ChangeLog index b262a8e..07ba85f 100644 --- a/cpu/ChangeLog +++ b/cpu/ChangeLog @@ -1,3 +1,13 @@ +2003-06-06 Andrew Cagney <cagney@redhat.com> + + Contributed by Red Hat. + * iq2000.cpu: New file. Written by Ben Elliston, Jeff Johnston, + Stan Cox, and Frank Ch. Eigler. + * iq2000.opc: New file. Written by Ben Elliston, Frank + Ch. Eigler, Chris Moller, Jeff Johnston, and Stan Cox. + * iq2000m.cpu: New file. Written by Jeff Johnston. + * iq10.cpu: New file. Written by Jeff Johnston. + 2003-06-05 Nick Clifton <nickc@redhat.com> * frv.cpu (FRintieven): New operand. An even-numbered only diff --git a/cpu/iq10.cpu b/cpu/iq10.cpu new file mode 100644 index 0000000..322f3cc --- /dev/null +++ b/cpu/iq10.cpu @@ -0,0 +1,1111 @@ +; IQ10-only CPU description. -*- Scheme -*- +; +; Copyright 2001, 2002 Free Software Foundation, Inc. +; +; Contributed by Red Hat Inc; developed under contract from Vitesse. +; +; 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +; Instructions. + +(dni andoui-q10 "iq10 and upper ones immediate" (MACH10 USES-RS USES-RT) + "andoui $rt,$rs,$hi16" + (+ OP10_ANDOUI rs rt hi16) + (set rt (and rs (or (sll hi16 16) #xFFFF))) + ()) + +(dni andoui2-q10 "iq10 and upper ones immediate" (ALIAS NO-DIS MACH10 USES-RS USES-RT) + "andoui ${rt-rs},$hi16" + (+ OP10_ANDOUI rt-rs hi16) + (set rt-rs (and rt-rs (or (sll hi16 16) #xFFFF))) + ()) + +(dni orui-q10 "or upper immediate" (MACH10 USES-RS USES-RT) + "orui $rt,$rs,$hi16" + (+ OP10_ORUI rs rt hi16) + (set rt (or rs (sll hi16 16))) + ()) + +(dni orui2-q10 "or upper immediate" (ALIAS NO-DIS MACH10 USES-RS USES-RT) + "orui ${rt-rs},$hi16" + (+ OP10_ORUI rt-rs hi16) + (set rt-rs (or rt-rs (sll hi16 16))) + ()) + +(dni mrgbq10 "merge bytes" (MACH10 USES-RD USES-RS USES-RT) + "mrgb $rd,$rs,$rt,$maskq10" + (+ OP_SPECIAL rs rt rd maskq10 FUNC_MRGB) + (sequence ((SI temp)) + (if (bitclear? mask 0) + (set temp (and rs #xFF)) + (set temp (and rt #xFF))) + (if (bitclear? mask 1) + (set temp (or temp (and rs #xFF00))) + (set temp (or temp (and rt #xFF00)))) + (if (bitclear? mask 2) + (set temp (or temp (and rs #xFF0000))) + (set temp (or temp (and rt #xFF0000)))) + (if (bitclear? mask 3) + (set temp (or temp (and rs #xFF000000))) + (set temp (or temp (and rt #xFF000000)))) + (set rd temp)) + ()) + +(dni mrgbq102 "merge bytes" (ALIAS NO-DIS MACH10 USES-RD USES-RS USES-RT) + "mrgb ${rd-rs},$rt,$maskq10" + (+ OP_SPECIAL rt rd-rs maskq10 FUNC_MRGB) + (sequence ((SI temp)) + (if (bitclear? mask 0) + (set temp (and rd-rs #xFF)) + (set temp (and rt #xFF))) + (if (bitclear? mask 1) + (set temp (or temp (and rd-rs #xFF00))) + (set temp (or temp (and rt #xFF00)))) + (if (bitclear? mask 2) + (set temp (or temp (and rd-rs #xFF0000))) + (set temp (or temp (and rt #xFF0000)))) + (if (bitclear? mask 3) + (set temp (or temp (and rd-rs #xFF000000))) + (set temp (or temp (and rt #xFF000000)))) + (set rd-rs temp)) + ()) + +; In the future, we'll want the j & jal to use the 21 bit target, with +; the upper five bits shifted up. For now, give 'em the 16 bit target. + +(dni jq10 "jump" (MACH10) + "j $jmptarg" + (+ OP_J (f-rs 0) (f-rt 0) jmptarg) +; "j $jmptargq10" +; (+ OP_J upper-5-jmptargq10 (f-rt 0) lower-16-jmptargq10) + (delay 1 (set pc jmptarg)) + ()) + +(dni jalq10 "jump and link" (MACH10 USES-RT) + "jal $rt,$jmptarg" + (+ OP_JAL (f-rs 0) rt jmptarg) +; "jal $rt,$jmptargq10" +; (+ OP_JAL upper-5-jmptargq10 rt lower-16-jmptargq10) + (delay 1 + (sequence () + (set rt (add pc 8)) + (set pc jmptarg))) + ()) + +(dni jalq10-2 "jump and link, implied r31" (MACH10 USES-RT) + "jal $jmptarg" + (+ OP_JAL (f-rs 0) (f-rt 31) jmptarg) + (delay 1 + (sequence () + (set rt (add pc 8)) + (set pc jmptarg))) + ()) + +; Branch instructions. + +(dni bbil "branch bit immediate likely" (MACH10 USES-RS) + "bbil $rs($bitnum),$offset" + (+ OP10_BBIL rs bitnum offset) + (if (bitset? rs bitnum) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bbinl "branch bit immediate negated likely" (MACH10 USES-RS) + "bbinl $rs($bitnum),$offset" + (+ OP10_BBINL rs bitnum offset) + (if (bitclear? rs bitnum) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bbvl "branch bit variable likely" (MACH10 USES-RS USES-RT) + "bbvl $rs,$rt,$offset" + (+ OP10_BBVL rs rt offset) + (if (bitset? rs (and rt #x1F)) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bbvnl "branch bit variable negated likely" (MACH10 USES-RS USES-RT) + "bbvnl $rs,$rt,$offset" + (+ OP10_BBVNL rs rt offset) + (if (bitclear? rs (and rt #x1F)) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bgtzal "branch if greater than zero and link" (MACH10 USES-RS USES-R31) + "bgtzal $rs,$offset" + (+ OP_REGIMM rs FUNC_BGTZAL offset) + (if (gt rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset)))) + ()) + +(dni bgtzall + "branch if greater than zero and link likely" (MACH10 USES-RS USES-R31) + "bgtzall $rs,$offset" + (+ OP_REGIMM rs FUNC_BGTZALL offset) + (if (gt rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset))) + (skip 1)) + ()) + +(dni blezal "branch if less than or equal to zero and link" (MACH10 USES-RS USES-R31) + "blezal $rs,$offset" + (+ OP_REGIMM rs FUNC_BLEZAL offset) + (if (le rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset)))) + ()) + +(dni blezall + "branch if less than or equal to zero and link likely" (MACH10 USES-RS USES-R31) + "blezall $rs,$offset" + (+ OP_REGIMM rs FUNC_BLEZALL offset) + (if (le rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset))) + (skip 1)) + ()) + +(dni bgtz-q10 "branch if greater than zero" (MACH10 USES-RS) + "bgtz $rs,$offset" + (+ OP_REGIMM rs FUNC_BGTZ offset) + (if (gt rs 0) + (delay 1 (set pc offset))) + ()) + +(dni bgtzl-q10 "branch if greater than zero likely" (MACH10 USES-RS) + "bgtzl $rs,$offset" + (+ OP_REGIMM rs FUNC_BGTZL offset) + (if (gt rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + + +(dni blez-q10 "branch if less than or equal to zero" (MACH10 USES-RS) + "blez $rs,$offset" + (+ OP_REGIMM rs FUNC_BLEZ offset) + (if (le rs 0) + (delay 1 (set pc offset))) + ()) + +(dni blezl-q10 "branch if less than or equal to zero likely" (MACH10 USES-RS) + "blezl $rs,$offset" + (+ OP_REGIMM rs FUNC_BLEZL offset) + (if (le rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bmb-q10 "branch if matching byte-lane" (MACH10 USES-RS USES-RT) + "bmb $rs,$rt,$offset" + (+ OP10_BMB rs rt offset) + (sequence ((BI branch?)) + (set branch? 0) + (if (eq (and rs #xFF) (and rt #xFF)) + (set branch? 1)) + (if (eq (and rs #xFF00) (and rt #xFF00)) + (set branch? 1)) + (if (eq (and rs #xFF0000) (and rt #xFF0000)) + (set branch? 1)) + (if (eq (and rs #xFF000000) (and rt #xFF000000)) + (set branch? 1)) + (if branch? + (delay 1 (set pc offset)))) + ()) + +(dni bmbl "branch if matching byte-lane likely" (MACH10 USES-RS USES-RT) + "bmbl $rs,$rt,$offset" + (+ OP10_BMBL rs rt offset) + (sequence ((BI branch?)) + (set branch? 0) + (if (eq (and rs #xFF) (and rt #xFF)) + (set branch? 1)) + (if (eq (and rs #xFF00) (and rt #xFF00)) + (set branch? 1)) + (if (eq (and rs #xFF0000) (and rt #xFF0000)) + (set branch? 1)) + (if (eq (and rs #xFF000000) (and rt #xFF000000)) + (set branch? 1)) + (if branch? + (delay 1 (set pc offset)) + (skip 1))) + ()) + +(dni bri "branch if register invalid" (MACH10 USES-RS) + "bri $rs,$offset" + (+ OP_REGIMM rs FUNC_BRI offset) + (if (gt rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni brv "branch if register invalid" (MACH10 USES-RS) + "brv $rs,$offset" + (+ OP_REGIMM rs FUNC_BRV offset) + (if (gt rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +; debug instructions + +(dni bctx "branch if the current context == instruction[21]" (MACH10 USES-RS) + "bctx $rs,$offset" + (+ OP_REGIMM rs FUNC_BCTX offset) + (delay 1 (set pc offset)) + ()) + +(dni yield "unconditional yield to the other context" (MACH10) + "yield" + (+ OP_SPECIAL (f-rs 0) (f-rt 0) (f-rd 0) (f-shamt 0) FUNC10_YIELD) + (unimp yield) + ()) + +; Special instructions. + +(dni crc32 "CRC, 32 bit input" (MACH10 USES-RD USES-RS USES-RT) + "crc32 $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_CRC32) + (unimp crc32) + ()) + +(dni crc32b "CRC, 8 bit input" (MACH10 USES-RD USES-RS USES-RT) + "crc32b $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_CRC32B) + (unimp crc32b) + ()) + +(dni cnt1s "Count ones" (MACH10 USES-RD USES-RS) + "cnt1s $rd,$rs" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC10_CNT1S) + (unimp crcp) + ()) + + +; Special Instructions + +(dni avail "Mark Header Buffer Available" (MACH10 USES-RD) + "avail $rd" + (+ OP_COP3 (f-rs 0) (f-rt 0) rd (f-shamt 0) FUNC10_AVAIL) + (unimp avail) + ()) + +(dni free "Mark Header Buffer Free" (MACH10 USES-RS USES-RD) + "free $rd,$rs" + (+ OP_COP3 rs (f-rt 0) rd (f-shamt 0) FUNC10_FREE) + (unimp free) + ()) + +(dni tstod "Test Header Buffer Order Dependency" (MACH10 USES-RS USES-RD) + "tstod $rd,$rs" + (+ OP_COP3 rs (f-rt 0) rd (f-shamt 0) FUNC10_TSTOD) + (unimp tstod) + ()) + +(dni cmphdr "Get a Complete Header" (MACH10 USES-RD) + "cmphdr $rd" + (+ OP_COP3 (f-rs 0) (f-rt 0) rd (f-shamt 0) FUNC10_CMPHDR) + (unimp cmphdr) + ()) + +(dni mcid "Allocate a Multicast ID" (MACH10 USES-RD USES-RT) + "mcid $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_MCID) + (unimp mcid) + ()) + +(dni dba "Allocate a Data Buffer Pointer" (MACH10 USES-RD) + "dba $rd" + (+ OP_COP3 (f-rs 0) (f-rt 0) rd (f-shamt 0) FUNC10_DBA) + (unimp dba) + ()) + +(dni dbd "Deallocate a Data Buffer Pointer" (MACH10 USES-RS USES-RT USES-RD) + "dbd $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_DBD) + (unimp dbd) + ()) + +(dni dpwt "DSTN_PORT Write" (MACH10 USES-RS USES-RD) + "dpwt $rd,$rs" + (+ OP_COP3 rs (f-rt 0) rd (f-shamt 0) FUNC10_DPWT) + (unimp dpwt) + ()) + +; Architectural and coprocessor instructions. + +(dni chkhdrq10 "" (MACH10 USES-RS USES-RD) + "chkhdr $rd,$rs" + (+ OP_COP3 rs (f-rt 0) rd (f-shamt 0) FUNC10_CHKHDR) + (unimp chkhdr) + ()) + +; Coprocessor DMA Instructions (IQ10) + +(dni rba "Read Bytes Absolute" (MACH10 USES-RS USES-RT USES-RD) + "rba $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_RBA) + (unimp rba) + ()) + +(dni rbal "Read Bytes Absolute and Lock" (MACH10 USES-RS USES-RT USES-RD) + "rbal $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_RBAL) + (unimp rbal) + ()) + +(dni rbar "Read Bytes Absolute and Release" (MACH10 USES-RS USES-RT USES-RD) + "rbar $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_RBAR) + (unimp rbar) + ()) + +(dni wba "Write Bytes Absolute" (MACH10 USES-RS USES-RT USES-RD) + "wba $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_WBA) + (unimp wba) + ()) + +(dni wbau "Write Bytes Absolute and Unlock" (MACH10 USES-RS USES-RT USES-RD) + "wbau $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_WBAU) + (unimp wbau) + ()) + +(dni wbac "Write Bytes Absolute Cacheable" (MACH10 USES-RS USES-RT USES-RD) + "wbac $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_WBAC) + (unimp wbac) + ()) + +(dni rbi "Read Bytes Immediate" (MACH10 USES-RD USES-RS USES-RT) + "rbi $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_RBI bytecount) + (unimp rbi) + ()) + +(dni rbil "Read Bytes Immediate and Lock" (MACH10 USES-RD USES-RS USES-RT) + "rbil $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_RBIL bytecount) + (unimp rbil) + ()) + +(dni rbir "Read Bytes Immediate and Release" (MACH10 USES-RD USES-RS USES-RT) + "rbir $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_RBIR bytecount) + (unimp rbir) + ()) + +(dni wbi "Write Bytes Immediate" (MACH10 USES-RD USES-RS USES-RT) + "wbi $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_WBI bytecount) + (unimp wbi) + ()) + +(dni wbic "Write Bytes Immediate Cacheable" (MACH10 USES-RD USES-RS USES-RT) + "wbic $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_WBIC bytecount) + (unimp wbic) + ()) + +(dni wbiu "Write Bytes Immediate" (MACH10 USES-RD USES-RS USES-RT) + "wbiu $rd,$rs,$rt,$bytecount" + (+ OP_COP3 rs rt rd FUNC10_WBIU bytecount) + (unimp wbiu) + ()) + +(dni pkrli "Packet Release Immediate" (MACH10 USES-RD USES-RS USES-RT) + "pkrli $rd,$rs,$rt,$bytecount" + (+ OP_COP2 rs rt rd FUNC10_PKRLI bytecount) + (unimp pkrli) + ()) + +(dni pkrlih "Packet Release Immediate and Hold" (MACH10 USES-RD USES-RS USES-RT) + "pkrlih $rd,$rs,$rt,$bytecount" + (+ OP_COP2 rs rt rd FUNC10_PKRLIH bytecount) + (unimp pkrlih) + ()) + +(dni pkrliu "Packet Release Immediate Unconditional" (MACH10 USES-RD USES-RS USES-RT) + "pkrliu $rd,$rs,$rt,$bytecount" + (+ OP_COP2 rs rt rd FUNC10_PKRLIU bytecount) + (unimp pkrliu) + ()) + +(dni pkrlic "Packet Release Immediate Continue" (MACH10 USES-RD USES-RS USES-RT) + "pkrlic $rd,$rs,$rt,$bytecount" + (+ OP_COP2 rs rt rd FUNC10_PKRLIC bytecount) + (unimp pkrlic) + ()) + +(dni pkrla "Packet Release Absolute" (MACH10 USES-RS USES-RT USES-RD) + "pkrla $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_PKRLA) + (unimp pkrla) + ()) + +(dni pkrlau "Packet Release Absolute Unconditional" (MACH10 USES-RS USES-RT USES-RD) + "pkrlau $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_PKRLAU) + (unimp pkrlau) + ()) + +(dni pkrlah "Packet Release Absolute and Hold" (MACH10 USES-RS USES-RT USES-RD) + "pkrlah $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_PKRLAH) + (unimp pkrlah) + ()) + +(dni pkrlac "Packet Release Absolute Continue" (MACH10 USES-RS USES-RT USES-RD) + "pkrlac $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_PKRLAC) + (unimp pkrlac) + ()) + +; Main Memory Access Instructions + +(dni lock "lock memory" (MACH10 USES-RD USES-RT) + "lock $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_LOCK) + (unimp lock) + ()) + +(dni unlk "unlock memory" (MACH10 USES-RT USES-RD) + "unlk $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_UNLK) + (unimp unlk) + ()) + +(dni swrd "Single Word Read" (MACH10 USES-RT USES-RD) + "swrd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_SWRD) + (unimp swrd) + ()) + +(dni swrdl "Single Word Read and Lock" (MACH10 USES-RT USES-RD) + "swrdl $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_SWRDL) + (unimp swrdl) + ()) + +(dni swwr "Single Word Write" (MACH10 USES-RS USES-RT USES-RD) + "swwr $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_SWWR) + (unimp swwr) + ()) + +(dni swwru "Single Word Write and Unlock" (MACH10 USES-RS USES-RT USES-RD) + "swwru $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 0) FUNC10_SWWRU) + (unimp swwru) + ()) + +(dni dwrd "Double Word Read" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "dwrd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_DWRD) + (unimp dwrd) + ()) + +(dni dwrdl "Double Word Read and Lock" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "dwrdl $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_DWRDL) + (unimp dwrdl) + ()) + +; CAM access instructions (IQ10) + +(dni cam36 "CAM Access in 36-bit Mode" (MACH10 USES-RT USES-RD) + "cam36 $rd,$rt,${cam-z},${cam-y}" + (+ OP_COP3 (f-rs 0) rt rd FUNC10_CAM36 cam-z cam-y) + (unimp cam36) + ()) + +(dni cam72 "CAM Access in 72-bit Mode" (MACH10 USES-RT USES-RD) + "cam72 $rd,$rt,${cam-y},${cam-z}" + (+ OP_COP3 (f-rs 0) rt rd FUNC10_CAM72 cam-z cam-y) + (unimp cam72) + ()) + +(dni cam144 "CAM Access in 144-bit Mode" (MACH10 USES-RT USES-RD) + "cam144 $rd,$rt,${cam-y},${cam-z}" + (+ OP_COP3 (f-rs 0) rt rd FUNC10_CAM144 cam-z cam-y) + (unimp cam144) + ()) + +(dni cam288 "CAM Access in 288-bit Mode" (MACH10 USES-RT USES-RD) + "cam288 $rd,$rt,${cam-y},${cam-z}" + (+ OP_COP3 (f-rs 0) rt rd FUNC10_CAM288 cam-z cam-y) + (unimp cam288) + ()) + +; Counter manager instructions (IQ10) + +(dni cm32and "Counter Manager And" (MACH10 USES-RS USES-RT USES-RD) + "cm32and $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32AND) + (unimp cm32and) + ()) + +(dni cm32andn "Counter Manager And With Inverse" (MACH10 USES-RS USES-RT USES-RD) + "cm32andn $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32ANDN) + (unimp cm32andn) + ()) + +(dni cm32or "Counter Manager Or" (MACH10 USES-RS USES-RT USES-RD) + "cm32or $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32OR) + (unimp cm32or) + ()) + +(dni cm32ra "Counter Manager 32-bit Rolling Add" (MACH10 USES-RS USES-RT USES-RD) + "cm32ra $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 2) FUNC10_CM32RA) + (unimp cm32ra) + ()) + +(dni cm32rd "Counter Manager 32-bit Rolling Decrement" (MACH10 USES-RT USES-RD) + "cm32rd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32RD) + (unimp cm32rd) + ()) + +(dni cm32ri "Counter Manager 32-bit Rolling Increment" (MACH10 USES-RT USES-RD) + "cm32ri $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32RI) + (unimp cm32ri) + ()) + +(dni cm32rs "Counter Manager 32-bit Rolling Subtract" (MACH10 USES-RS USES-RT USES-RD) + "cm32rs $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-shamt 2) FUNC10_CM32RS) + (unimp cm32rs) + ()) + +(dni cm32sa "Counter Manager 32-bit Saturating Add" (MACH10 USES-RS USES-RT USES-RD) + "cm32sa $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32SA) + (unimp cm32sa) + ()) + +(dni cm32sd "Counter Manager 32-bit Saturating Decrement" (MACH10 USES-RT USES-RD) + "cm32sd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32SD) + (unimp cm32sd) + ()) + +(dni cm32si "Counter Manager 32-bit Saturating Increment" (MACH10 USES-RT USES-RD) + "cm32si $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32SI) + (unimp cm32si) + ()) + +(dni cm32ss "Counter Manager 32-bit Saturating Subtract" (MACH10 USES-RS USES-RT USES-RD) + "cm32ss $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32SS) + (unimp cm32ss) + ()) + +(dni cm32xor "Counter Manager Xor" (MACH10 USES-RS USES-RT USES-RD) + "cm32xor $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM32XOR) + (unimp cm32xor) + ()) + +(dni cm64clr "Counter Manager Clear" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "cm64clr $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64CLR) + (unimp cm64clr) + ()) + +(dni cm64ra "Counter Manager 64-bit Rolling Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64ra $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64RA) + (unimp cm64ra) + ()) + +(dni cm64rd "Counter Manager 64-bit Rolling Decrement" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "cm64rd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64RD) + (unimp cm64rd) + ()) + +(dni cm64ri "Counter Manager 32-bit Rolling Increment" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "cm64ri $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64RI) + (unimp cm64ri) + ()) + +(dni cm64ria2 "Counter Manager 32/32 Rolling Increment/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64ria2 $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64RIA2) + (unimp cm64ria2) + ()) + +(dni cm64rs "Counter Manager 64-bit Rolling Subtract" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64rs $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64RS) + (unimp cm64rs) + ()) + +(dni cm64sa "Counter Manager 64-bit Saturating Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64sa $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64SA) + (unimp cm64sa) + ()) + +(dni cm64sd "Counter Manager 64-bit Saturating Decrement" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "cm64sd $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64SD) + (unimp cm64sd) + ()) + +(dni cm64si "Counter Manager 64-bit Saturating Increment" (MACH10 EVEN-REG-NUM USES-RT USES-RD) + "cm64si $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64SI) + (unimp cm64si) + ()) + +(dni cm64sia2 "Counter Manager 32/32 Saturating Increment/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64sia2 $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64SIA2) + (unimp cm64sia2) + ()) + +(dni cm64ss "Counter Manager 64-bit Saturating Subtract" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm64ss $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM64SS) + (unimp cm64ss) + ()) + +(dni cm128ria2 "Counter Manager 128-bit 64/64 Rolling Increment/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm128ria2 $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128RIA2) + (unimp cm128ria2) + ()) + +(dni cm128ria3 "Counter Manager 128-bit 32/32/64 Rolling Increment/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm128ria3 $rd,$rs,$rt,${cm-3z}" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128RIA3 cm-3z) + (unimp cm128ria3) + ()) + +(dni cm128ria4 "Counter Manager 128-bit 32/32/32/32 Rolling Inc/Add" (MACH10 USES-RS USES-RT USES-RD) + "cm128ria4 $rd,$rs,$rt,${cm-4z}" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128RIA4 cm-4z) + (unimp cm128ria4) + ()) + +(dni cm128sia2 "Counter Manager 128-bit 64/64 Saturating Inc/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm128sia2 $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128SIA2) + (unimp cm128sia2) + ()) + +(dni cm128sia3 "Counter Manager 128-bit 32/32/64 Saturating Inc/Add" (MACH10 EVEN-REG-NUM USES-RS USES-RT USES-RD) + "cm128sia3 $rd,$rs,$rt,${cm-3z}" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128SIA3 cm-3z) + (unimp cm128sia3) + ()) + +(dni cm128sia4 "Counter Manager 128-bit 32/32/32/32 Saturating Inc/Add" (MACH10 USES-RS USES-RT USES-RD) + "cm128sia4 $rd,$rs,$rt,${cm-4z}" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128SIA4 cm-4z) + (unimp cm128sia4) + ()) + +(dni cm128vsa "Counter Manager Continuous State Dual Leaky Token Bucket Policing" (MACH10 USES-RS USES-RT USES-RD) + "cm128vsa $rd,$rs,$rt" + (+ OP_COP3 rs rt rd (f-cp-op 0) (f-cp-grp 2) FUNC10_CM128VSA) + (unimp cm128vsa) + ()) + +; Coprocessor Data Movement Instructions + +; Note that we don't set the USES-RD or USES-RT attributes for many of the following +; instructions, as it's the COP register that's being specified. + +; ??? Is YIELD-INSN the right attribute for IQ10? The IQ2000 used the attribute to warn about +; yielding instructions in a delay slot, but that's not relevant in IQ10. What *is* relevant +; (and unique to IQ10) is instructions that yield if the destination register is accessed +; before the value is there, causing a yield. + +(dni cfc "copy from coprocessor control register" (MACH10 LOAD-DELAY USES-RD YIELD-INSN) + "cfc $rd,$rt" + (+ OP_COP3 (f-rs 0) rt rd (f-shamt 0) FUNC10_CFC) + (unimp cfc) + ()) + +(dni ctc "copy to coprocessor control register" (MACH10 USES-RS) + "ctc $rs,$rt" + (+ OP_COP3 rs rt (f-rd 0) (f-shamt 0) FUNC10_CTC) + (unimp ctc) + ()) + +; Macros + +(dnmi m-avail "Mark Header Buffer Available" (MACH10 NO-DIS) + "avail" + (emit avail (f-rd 0)) +) + +(dnmi m-cam36 "CAM Access in 36-bit Mode" (MACH10 USES-RT USES-RD NO-DIS) + "cam36 $rd,$rt,${cam-z}" + (emit cam36 rd rt cam-z (f-cam-y 0)) +) + +(dnmi m-cam72 "CAM Access in 72-bit Mode" (MACH10 USES-RT USES-RD NO-DIS) + "cam72 $rd,$rt,${cam-z}" + (emit cam72 rd rt cam-z (f-cam-y 0)) +) + +(dnmi m-cam144 "CAM Access in 144-bit Mode" (MACH10 USES-RT USES-RD NO-DIS) + "cam144 $rd,$rt,${cam-z}" + (emit cam144 rd rt cam-z (f-cam-y 0)) +) + +(dnmi m-cam288 "CAM Access in 288-bit Mode" (MACH10 USES-RT USES-RD NO-DIS) + "cam288 $rd,$rt,${cam-z}" + (emit cam288 rd rt cam-z (f-cam-y 0)) +) + +(dnmi m-cm32read "Counter Manager 32-bit Rolling Add R0" (MACH10 USES-RT USES-RD NO-DIS) + "cm32read $rd,$rt" + (emit cm32ra rd (f-rs 0) rt) +) + +(dnmi m-cm64read "Counter Manager 64-bit Rolling Add R0" (MACH10 USES-RT USES-RD NO-DIS) + "cm64read $rd,$rt" + (emit cm64ra rd (f-rs 0) rt) +) + +(dnmi m-cm32mlog "Counter Manager 32-bit or R0" (MACH10 USES-RS USES-RT NO-DIS) + "cm32mlog $rs,$rt" + (emit cm32or (f-rd 0) rs rt) +) + +(dnmi m-cm32and "Counter Manager And" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32and $rs,$rt" + (emit cm32and (f-rd 0) rs rt) +) + +(dnmi m-cm32andn "Counter Manager And With Inverse" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32andn $rs,$rt" + (emit cm32andn (f-rd 0) rs rt) +) + +(dnmi m-cm32or "Counter Manager Or" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32or $rs,$rt" + (emit cm32or (f-rd 0) rs rt) +) + +(dnmi m-cm32ra "Counter Manager 32-bit Rolling Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32ra $rs,$rt" + (emit cm32ra (f-rd 0) rs rt) +) + +(dnmi m-cm32rd "Counter Manager 32-bit Rolling Decrement" (MACH10 USES-RT USES-RD NO-DIS) + "cm32rd $rt" + (emit cm32rd (f-rd 0) rt) +) + +(dnmi m-cm32ri "Counter Manager 32-bit Rolling Increment" (MACH10 USES-RT USES-RD NO-DIS) + "cm32ri $rt" + (emit cm32ri (f-rd 0) rt) +) + +(dnmi m-cm32rs "Counter Manager 32-bit Rolling Subtract" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32rs $rs,$rt" + (emit cm32rs (f-rd 0) rs rt) +) + +(dnmi m-cm32sa "Counter Manager 32-bit Saturating Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32sa $rs,$rt" + (emit cm32sa (f-rd 0) rs rt) +) + +(dnmi m-cm32sd "Counter Manager 32-bit Saturating Decrement" (MACH10 USES-RT USES-RD NO-DIS) + "cm32sd $rt" + (emit cm32sd (f-rd 0) rt) +) + +(dnmi m-cm32si "Counter Manager 32-bit Saturating Increment" (MACH10 USES-RT USES-RD NO-DIS) + "cm32si $rt" + (emit cm32si (f-rd 0) rt) +) + +(dnmi m-cm32ss "Counter Manager 32-bit Saturating Subtract" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32ss $rs,$rt" + (emit cm32ss (f-rd 0) rs rt) +) + +(dnmi m-cm32xor "Counter Manager Xor" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm32xor $rs,$rt" + (emit cm32xor (f-rd 0) rs rt) +) + +(dnmi m-cm64clr "Counter Manager Clear" (MACH10 USES-RT USES-RD NO-DIS) + "cm64clr $rt" + (emit cm64clr (f-rd 0) rt) +) + +(dnmi m-cm64ra "Counter Manager 64-bit Rolling Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64ra $rs,$rt" + (emit cm64ra (f-rd 0) rs rt) +) + +(dnmi m-cm64rd "Counter Manager 64-bit Rolling Decrement" (MACH10 USES-RT USES-RD NO-DIS) + "cm64rd $rt" + (emit cm64rd (f-rd 0) rt) +) + +(dnmi m-cm64ri "Counter Manager 32-bit Rolling Increment" (MACH10 USES-RT USES-RD NO-DIS) + "cm64ri $rt" + (emit cm64ri (f-rd 0) rt) +) + +(dnmi m-cm64ria2 "Counter Manager 32/32 Rolling Increment/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64ria2 $rs,$rt" + (emit cm64ria2 (f-rd 0) rs rt) +) + +(dnmi m-cm64rs "Counter Manager 64-bit Rolling Subtract" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64rs $rs,$rt" + (emit cm64rs (f-rd 0) rs rt) +) + +(dnmi m-cm64sa "Counter Manager 64-bit Saturating Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64sa $rs,$rt" + (emit cm64sa (f-rd 0) rs rt) +) + +(dnmi m-cm64sd "Counter Manager 64-bit Saturating Decrement" (MACH10 USES-RT USES-RD NO-DIS) + "cm64sd $rt" + (emit cm64sd (f-rd 0) rt) +) + +(dnmi m-cm64si "Counter Manager 64-bit Saturating Increment" (MACH10 USES-RT USES-RD NO-DIS) + "cm64si $rt" + (emit cm64si (f-rd 0) rt) +) + +(dnmi m-cm64sia2 "Counter Manager 32/32 Saturating Increment/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64sia2 $rs,$rt" + (emit cm64sia2 (f-rd 0) rs rt) +) + +(dnmi m-cm64ss "Counter Manager 64-bit Saturating Subtract" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm64ss $rs,$rt" + (emit cm64ss (f-rd 0) rs rt) +) + +(dnmi m-cm128ria2 "Counter Manager 128-bit 64/64 Rolling Increment/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128ria2 $rs,$rt" + (emit cm128ria2 (f-rd 0) rs rt) +) + +(dnmi m-cm128ria3 "Counter Manager 128-bit 32/32/64 Rolling Increment/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128ria3 $rs,$rt,${cm-3z}" + (emit cm128ria3 (f-rd 0) rs rt cm-3z) +) + +(dnmi m-cm128ria4 "Counter Manager 128-bit 32/32/32/32 Rolling Inc/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128ria4 $rs,$rt,${cm-4z}" + (emit cm128ria4 (f-rd 0) rs rt cm-4z) +) + +(dnmi m-cm128sia2 "Counter Manager 128-bit 64/64 Saturating Inc/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128sia2 $rs,$rt" + (emit cm128sia2 (f-rd 0) rs rt) +) + +(dnmi m-cm128sia3 "Counter Manager 128-bit 32/32/64 Saturating Inc/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128sia3 $rs,$rt,${cm-3z}" + (emit cm128sia3 (f-rd 0) rs rt cm-3z) +) + +(dnmi m-cm128sia4 "Counter Manager 128-bit 32/32/32/32 Saturating Inc/Add" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "cm128sia4 $rs,$rt,${cm-4z}" + (emit cm128sia4 (f-rd 0) rs rt cm-4z) +) + +(dnmi m-cmphdr "Get a Complete Header" (MACH10 NO-DIS) + "cmphdr" + (emit cmphdr (f-rd 0)) +) + +(dnmi m-dbd "Deallocate a Data Buffer Pointer" (MACH10 USES-RD USES-RT NO-DIS) + "dbd $rd,$rt" + (emit dbd rd (f-rs 0) rt) +) + +(dnmi m2-dbd "Deallocate a Data Buffer Pointer" (MACH10 USES-RT NO-DIS) + "dbd $rt" + (emit dbd (f-rd 0) (f-rs 0) rt) +) + +(dnmi m-dpwt "DSTN_PORT Write" (MACH10 USES-RS NO-DIS) + "dpwt $rs" + (emit dpwt (f-rd 0) rs) +) + +(dnmi m-free "" (MACH10 USES-RS USES-RD NO-DIS) + "free $rs" + (emit free (f-rd 0) rs) +) + +;(dnmi m-jal "jump and link, implied r31" (MACH10 USES-RT NO-DIS) +; "jal $jmptarg" +; (emit jal (f-rt 31) jmptarg) +;) + +(dnmi m-lock "lock memory" (MACH10 USES-RT NO-DIS) + "lock $rt" + (emit lock (f-rd 0) rt) +) + +(dnmi m-pkrla "Packet Release Absolute" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "pkrla $rs,$rt" + (emit pkrla (f-rd 0) rs rt) +) + +(dnmi m-pkrlac "Packet Release Absolute Continue" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "pkrlac $rs,$rt" + (emit pkrlac (f-rd 0) rs rt) +) + +(dnmi m-pkrlah "Packet Release Absolute and Hold" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "pkrlah $rs,$rt" + (emit pkrlah (f-rd 0) rs rt) +) + +(dnmi m-pkrlau "Packet Release Absolute Unconditional" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "pkrlau $rs,$rt" + (emit pkrlau (f-rd 0) rs rt) +) + +(dnmi m-pkrli "Packet Release Immediate" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "pkrli $rs,$rt,$bytecount" + (emit pkrli (f-rd 0) rs rt bytecount) +) + +(dnmi m-pkrlic "Packet Release Immediate Continue" (MACH10 USES-RS USES-RT NO-DIS) + "pkrlic $rs,$rt,$bytecount" + (emit pkrlic (f-rd 0) rs rt bytecount) +) + +(dnmi m-pkrlih "Packet Release Immediate and Hold" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "pkrlih $rs,$rt,$bytecount" + (emit pkrlih (f-rd 0) rs rt bytecount) +) + +(dnmi m-pkrliu "Packet Release Immediate Unconditional" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "pkrliu $rs,$rt,$bytecount" + (emit pkrliu (f-rd 0) rs rt bytecount) +) + +(dnmi m-rba "Read Bytes Absolute" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "rba $rs,$rt" + (emit rba (f-rd 0) rs rt) +) + +(dnmi m-rbal "Read Bytes Absolute and Lock" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "rbal $rs,$rt" + (emit rbal (f-rd 0) rs rt) +) + +(dnmi m-rbar "Read Bytes Absolute and Release" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "rbar $rs,$rt" + (emit rbar (f-rd 0) rs rt) +) + +(dnmi m-rbi "Read Bytes Immediate" (MACH10 USES-RS USES-RT NO-DIS) + "rbi $rs,$rt,$bytecount" + (emit rbi (f-rd 0) rs rt bytecount) +) + +(dnmi m-rbil "Read Bytes Immediate and Lock" (MACH10 USES-RS USES-RT NO-DIS) + "rbil $rs,$rt,$bytecount" + (emit rbil (f-rd 0) rs rt bytecount) +) + +(dnmi m-rbir "Read Bytes Immediate and Release" (MACH10 USES-RS USES-RT NO-DIS) + "rbir $rs,$rt,$bytecount" + (emit rbir (f-rd 0) rs rt bytecount) +) + +(dnmi m-swwr "Single Word Write" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "swwr $rs,$rt" + (emit swwr (f-rd 0) rs rt) +) + +(dnmi m-swwru "Single Word Write and Unlock" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "swwru $rs,$rt" + (emit swwru (f-rd 0) rs rt) +) + +(dnmi m-tstod "Test Header Buffer Order Dependency" (MACH10 USES-RS USES-RD NO-DIS) + "tstod $rs" + (emit tstod (f-rd 0) rs) +) + +(dnmi m-unlk "" (MACH10 USES-RT USES-RD NO-DIS) + "unlk $rt" + (emit unlk (f-rd 0) rt) +) + +(dnmi m-wba "Write Bytes Absolute" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "wba $rs,$rt" + (emit wba (f-rd 0) rs rt) +) + +(dnmi m-wbac "Write Bytes Absolute Cacheable" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "wbac $rs,$rt" + (emit wbac (f-rd 0) rs rt) +) + +(dnmi m-wbau "Write Bytes Absolute and Unlock" (MACH10 USES-RS USES-RT USES-RD NO-DIS) + "wbau $rs,$rt" + (emit wbau (f-rd 0) rs rt) +) + +(dnmi m-wbi "Write Bytes Immediate" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "wbi $rs,$rt,$bytecount" + (emit wbi (f-rd 0) rs rt bytecount) +) + +(dnmi m-wbic "Write Bytes Immediate Cacheable" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "wbic $rs,$rt,$bytecount" + (emit wbic (f-rd 0) rs rt bytecount) +) + +(dnmi m-wbiu "Write Bytes Immediate" (MACH10 USES-RD USES-RS USES-RT NO-DIS) + "wbiu $rs,$rt,$bytecount" + (emit wbiu (f-rd 0) rs rt bytecount) +) + diff --git a/cpu/iq2000.cpu b/cpu/iq2000.cpu new file mode 100644 index 0000000..2a34859 --- /dev/null +++ b/cpu/iq2000.cpu @@ -0,0 +1,1199 @@ +; IQ2000/IQ10 Common CPU description. -*- Scheme -*- +; +; Copyright 2000, 2001, 2002 Free Software Foundation, Inc. +; +; Contributed by Red Hat Inc; developed under contract from Vitesse. +; +; 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +(include "simplify.inc") + +(define-arch + (name iq2000) + (comment "IQ2000 architecture") + (insn-lsb0? #t) + (machs iq2000 iq10) + (isas iq2000) +) + +(define-isa + (name iq2000) + (comment "Basic IQ2000 instruction set") + (default-insn-word-bitsize 32) + (default-insn-bitsize 32) + (base-insn-bitsize 32) + (decode-assist (31 30 29 28 27 26)) +) + +(define-cpu + (name iq2000bf) + (comment "IQ2000 family") + (endian big) + (word-bitsize 32) + (file-transform "") +) + +(define-cpu + (name iq10bf) + (comment "IQ10 coprocessor family") + (endian big) + (word-bitsize 32) + (file-transform "") + +) + +(define-mach + (name iq2000) + (comment "IQ2000 packet processing engine") + (cpu iq2000bf) + (isas iq2000) +) + +(define-mach + (name iq10) + (comment "IQ10 coprocessor") + (cpu iq10bf) + (isas iq2000) +) + +(define-model + (name iq2000) + (comment "IQ2000 microprocessor") + (mach iq2000) + (unit u-exec "Execution Unit" () + 1 1 ; issue done + () () () ()) +) + +(define-model + (name iq10) + (comment "IQ10 coprocessor") + (mach iq10) + (unit u-exec "Execution Unit" () + 1 1 ; issue done + () () () ()) +) + +; Macros to simplify MACH attribute specification. + +(define-pmacro MACH2000 (MACH iq2000)) +(define-pmacro MACH10 (MACH iq10)) + + +; Hardware elements. + +(define-hardware + (name h-pc) + (comment "program counter") + (attrs PC PROFILE (ISA iq2000)) + (type pc) + (get () (c-call USI "get_h_pc")) + (set (newval) (c-call VOID "set_h_pc" newval)) +) +; FIXME: it would be nice if the hardwired zero in R0 could be +; specified as a virtual hardware element, with one less register in +; the register file proper. + +(define-keyword + (name gr-names) + (print-name h-gr) + (values (r0 0) (%0 0) (r1 1) (%1 1) (r2 2) (%2 2) (r3 3) (%3 3) + (r4 4) (%4 4) (r5 5) (%5 5) (r6 6) (%6 6) (r7 7) (%7 7) + (r8 8) (%8 8) (r9 9) (%9 9) (r10 10) (%10 10) (r11 11) (%11 11) + (r12 12) (%12 12) (r13 13) (%13 13) (r14 14) (%14 14) (r15 15) (%15 15) + (r16 16) (%16 16) (r17 17) (%17 17) (r18 18) (%18 18) (r19 19) (%19 19) + (r20 20) (%20 20) (r21 21) (%21 21) (r22 22) (%22 22) (r23 23) (%23 23) + (r24 24) (%24 24) (r25 25) (%25 25) (r26 26) (%26 26) (r27 27) (%27 27) + (r28 28) (%28 28) (r29 29) (%29 29) (r30 30) (%30 30) (r31 31) (%31 31)) +) + +(define-hardware + (name h-gr) + (comment "General purpose registers") +; (attrs (ISA iq2000) CACHE-ADDR) + (type register SI (32)) + (indices extern-keyword gr-names) + (get (idx) + (cond SI + ((eq idx 0) (const 0)) + (else (raw-reg h-gr idx)))) + (set (idx newval) + (cond VOID + ((eq idx 0) (nop)) + (else (set (raw-reg h-gr idx) newval)))) +) + + +; Instruction fields. + +(dnf f-opcode "opcode field" () 31 6) +(dnf f-rs "register field Rs" () 25 5) +(dnf f-rt "register field Rt" () 20 5) +(dnf f-rd "register field Rd" () 15 5) +(dnf f-shamt "shift amount field" () 10 5) +(dnf f-cp-op "coprocessor op field" () 10 3) +(dnf f-cp-op-10 "coprocessor op field for CAM" () 10 5) +(dnf f-cp-grp "coprocessor group field" () 7 2) +(dnf f-func "function field" () 5 6) +(dnf f-imm "immediate field" () 15 16) + +(define-multi-ifield + (name f-rd-rs) + (comment "register Rd implied from Rs") + (attrs) + (mode UINT) + (subfields f-rd f-rs) + (insert (sequence () + (set (ifield f-rd) (ifield f-rd-rs)) + (set (ifield f-rs) (ifield f-rd-rs)) + )) + (extract (sequence () + (set (ifield f-rd-rs) (ifield f-rs)) + )) +) + +(define-multi-ifield + (name f-rd-rt) + (comment "register Rd implied from Rt") + (attrs) + (mode UINT) + (subfields f-rd f-rt) + (insert (sequence () + (set (ifield f-rd) (ifield f-rd-rt)) + (set (ifield f-rt) (ifield f-rd-rt)) + )) + (extract (sequence () + (set (ifield f-rd-rt) (ifield f-rt)) + )) +) + +(define-multi-ifield + (name f-rt-rs) + (comment "register Rt implied from Rs") + (attrs) + (mode UINT) + (subfields f-rt f-rs) + (insert (sequence () + (set (ifield f-rt) (ifield f-rt-rs)) + (set (ifield f-rs) (ifield f-rt-rs)) + )) + (extract (sequence () + (set (ifield f-rd-rs) (ifield f-rs)) + )) +) + +(df f-jtarg "jump target field" (ABS-ADDR) 15 16 UINT + ((value pc) (srl USI (and USI value #x03FFFF) 2)) + ((value pc) (or USI (and USI pc #xF0000000) (sll USI value 2)))) + +(df f-jtargq10 "iq10 jump target field" (ABS-ADDR) 20 21 UINT + ((value pc) (srl SI (and SI value #x7FFFFF) 2)) + ((value pc) (or SI (and SI pc #xF0000000) (sll SI value 2)))) + +(df f-offset "pc offset field" (PCREL-ADDR) 15 16 INT + ; Actually, this is relative to the address of the delay slot. + ((value pc) (sra SI (sub SI value pc) 2)) + ((value pc) (add SI (sll SI value 2) (add pc 4)))) + +; Instruction fields that scarcely appear in instructions. + +(dnf f-count "count field" () 15 7) +(dnf f-bytecount "byte count field" () 7 8) +(dnf f-index "index field" () 8 9) +(dnf f-mask "mask field" () 9 4) +(dnf f-maskq10 "iq10 mask field" () 10 5) +(dnf f-maskl "mask left field" () 4 5) +(dnf f-excode "execcode field" () 25 20) +(dnf f-rsrvd "reserved field" () 25 10) +(dnf f-10-11 "bits 10:0" () 10 11) +(dnf f-24-19 "bits 24:6" () 24 19) +(dnf f-5 "bit 5" () 5 1) +(dnf f-10 "bit 10" () 10 1) +(dnf f-25 "bit 25" () 25 1) +(dnf f-cam-z "cam global mask z" () 5 3) +(dnf f-cam-y "cam operation y" () 2 3) +(dnf f-cm-3func "CM 3 bit fn field" () 5 3) +(dnf f-cm-4func "CM 4 bit fn field" () 5 4) +(dnf f-cm-3z "CM 3Z field" () 1 2) +(dnf f-cm-4z "CM 4Z field" () 2 3) + + +; Enumerations. + +(define-normal-insn-enum + opcodes "primary opcodes" () OP_ f-opcode + (("SPECIAL" 0) ("REGIMM" 1) ("J" 2) ("JAL" 3) ("BEQ" 4) ("BNE" 5) ("BLEZ" 6) ("BGTZ" 7) + ("ADDI" 8) ("ADDIU" 9) ("SLTI" 10) ("SLTIU" 11) ("ANDI" 12) ("ORI" 13) ("XORI" 14) ("LUI" 15) + ("COP0" 16) ("COP1" 17) ("COP2" 18) ("COP3" 19) ("BEQL" 20) ("BNEL" 21) ("BLEZL" 22) ("BGTZL" 23) + ("BMB0" 24) ("BMB1" 25) ("BMB2" 26) ("BMB3" 27) ("BBI" 28) ("BBV" 29) ("BBIN" 30) ("BBVN" 31) + ("LB" 32) ("LH" 33) ("LW" 35) ("LBU" 36) ("LHU" 37) ("RAM" 39) + ("SB" 40) ("SH" 41) ("SW" 43) ("ANDOI" 44) ("BMB" 45) ("ORUI" 47) + ("LDW" 48) + ("SDW" 56) ("ANDOUI" 63)) +) + +(define-normal-insn-enum + q10_opcodes "iq10-only primary opcodes" () OP10_ f-opcode + (("BMB" 6) ("ORUI" 15) ("BMBL" 22) ("ANDOUI" 47) ("BBIL" 60) ("BBVL" 61) ("BBINL" 62) ("BBVNL" 63)) +) + +(define-normal-insn-enum + regimm-functions "branch sub-opcodes" () FUNC_ f-rt + (("BLTZ" 0) ("BGEZ" 1) ("BLTZL" 2) ("BGEZL" 3) ("BLEZ" 4) ("BGTZ" 5) ("BLEZL" 6) ("BGTZL" 7) + ("BRI" 8) ("BRV" 9) ("BCTX" 12) + ("BLTZAL" 16) ("BGEZAL" 17) ("BLTZALL" 18) ("BGEZALL" 19) ("BLEZAL" 20) ("BGTZAL" 21) ("BLEZALL" 22) ("BGTZALL" 23)) +) + +(define-normal-insn-enum + functions "function sub-opcodes" () FUNC_ f-func + (("SLL" 0) ("SLMV" 1) ("SRL" 2) ("SRA" 3) ("SLLV" 4) ("SRMV" 5) ("SRLV" 6) ("SRAV" 7) + ("JR" 8) ("JALR" 9) ("JCR" 10) ("SYSCALL" 12) ("BREAK" 13) ("SLEEP" 14) + ("ADD" 32) ("ADDU" 33) ("SUB" 34) ("SUBU" 35) ("AND" 36) ("OR" 37) ("XOR" 38) ("NOR" 39) + ("ADO16" 41) ("SLT" 42) ("SLTU" 43) ("MRGB" 45)) +) + +; iq10 special function sub-opcodes +(define-normal-insn-enum + q10s_functions "iq10-only special function sub-opcodes" () FUNC10_ f-func + (("YIELD" 14) ("CNT1S" 46)) +) + +; coprocessor opcodes in concert with f-cp-grp +(define-normal-insn-enum + cop_functions "iq10 function sub-opcodes" () FUNC10_ f-func + (("CFC" 0) ("LOCK" 1) ("CTC" 2) ("UNLK" 3) ("SWRD" 4) ("SWRDL" 5) ("SWWR" 6) ("SWWRU" 7) + ("RBA" 8) ("RBAL" 9) ("RBAR" 10) ("DWRD" 12) ("DWRDL" 13) + ("WBA" 16) ("WBAU" 17) ("WBAC" 18) ("CRC32" 20) ("CRC32B" 21) + ("MCID" 32) ("DBD" 33) ("DBA" 34) ("DPWT" 35) ("AVAIL" 36) ("FREE" 37) ("CHKHDR" 38) ("TSTOD" 39) + ("PKRLA" 40) ("PKRLAU" 41) ("PKRLAH" 42) ("PKRLAC" 43) ("CMPHDR" 44) + + ("CM64RS" 0) ("CM64RD" 1) ("CM64RI" 4) ("CM64CLR" 5) + ("CM64SS" 8) ("CM64SD" 9) ("CM64SI" 12) + ("CM64RA" 16) ("CM64RIA2" 20) ("CM128RIA2" 21) + ("CM64SA" 24) ("CM64SIA2" 28) ("CM128SIA2" 29) + ("CM32RS" 32) ("CM32RD" 33) ("CM32XOR" 34) ("CM32ANDN" 35) ("CM32RI" 36) ("CM128VSA" 38) + ("CM32SS" 40) ("CM32SD" 41) ("CM32OR" 42) ("CM32AND" 43) ("CM32SI" 44) + ("CM32RA" 48) + ("CM32SA" 56) ) +) + +; coprocessor opcodes in concert with f-cp-grp +(define-normal-insn-enum + cop_cm128_4functions "iq10 function sub-opcodes" () FUNC10_ f-cm-4func + (("CM128RIA3" 4) ("CM128SIA3" 6)) +) + +(define-normal-insn-enum + cop_cm128_3functions "iq10 function sub-opcodes" () FUNC10_ f-cm-3func + (("CM128RIA4" 6) ("CM128SIA4" 7)) +) + +(define-normal-insn-enum + cop2_functions "iq10 coprocessor sub-opcodes" () FUNC10_ f-cp-op + (("PKRLI" 0) ("PKRLIU" 1) ("PKRLIH" 2) ("PKRLIC" 3) ("RBIR" 1) ("RBI" 2) ("RBIL" 3) ("WBIC" 5) ("WBI" 6) ("WBIU" 7)) +) + +(define-normal-insn-enum + cop3_cam_functions "iq10 coprocessor cam sub-opcodes" () FUNC10_ f-cp-op-10 + (("CAM36" 16) ("CAM72" 17) ("CAM144" 18) ("CAM288" 19)) +) + + +; Attributes. + +(define-attr + (for insn) + (type boolean) + (name YIELD-INSN) + (comment "insn generates a context yield") +) + +(define-attr + (for insn) + (type boolean) + (name LOAD-DELAY) + (comment "insn has a load delay") +) + +(define-attr + (for insn) + (type boolean) + (name EVEN-REG-NUM) + (comment "insn requires an even numbered register in rt(2000) or rd(10)") +) + +(define-attr + (for insn) + (type boolean) + (name UNSUPPORTED) + (comment "insn is unsupported") +) + +(define-pmacro (define-reg-use-attr regfield) + (define-attr + (for insn) + (type boolean) + (name (.sym USES- (.upcase regfield))) + (comment ("insn accesses register operand " regfield)))) + +(define-reg-use-attr rd) +(define-reg-use-attr rs) +(define-reg-use-attr rt) +(define-reg-use-attr r31) + + +; Operands. + +(dnop rs "register Rs" () h-gr f-rs) +(dnop rt "register Rt" () h-gr f-rt) +(dnop rd "register Rd" () h-gr f-rd) +(dnop rd-rs "register Rd from Rs" () h-gr f-rd-rs) +(dnop rd-rt "register Rd from Rt" () h-gr f-rd-rt) +(dnop rt-rs "register Rt from Rs" () h-gr f-rt-rs) +(dnop shamt "shift amount" () h-uint f-shamt) +(define-operand (name imm) (comment "immediate") (attrs) + (type h-uint) (index f-imm) (handlers (parse "imm"))) +(dnop offset "pc-relative offset" () h-iaddr f-offset) +(dnop baseoff "base register offset" () h-iaddr f-imm) +(dnop jmptarg "jump target" () h-iaddr f-jtarg) +(dnop mask "mask" () h-uint f-mask) +(dnop maskq10 "iq10 mask" () h-uint f-maskq10) +(dnop maskl "mask left" () h-uint f-maskl) +(dnop count "count" () h-uint f-count) +(dnop index "index" () h-uint f-index) +(dnop execode "execcode" () h-uint f-excode) +(dnop bytecount "byte count" () h-uint f-bytecount) +(dnop cam-y "cam global opn y" () h-uint f-cam-y) +(dnop cam-z "cam global mask z" () h-uint f-cam-z) +(dnop cm-3func "CM 3 bit fn field" () h-uint f-cm-3func) +(dnop cm-4func "CM 4 bit fn field" () h-uint f-cm-4func) +(dnop cm-3z "CM 3 bit Z field" () h-uint f-cm-3z) +(dnop cm-4z "CM 4 bit Z field" () h-uint f-cm-4z) + +; Aliases for the rs and rt operands. This just makes the load/store +; insns easier to compare with the instruction set documentation. + +(dnop base "base register" () h-gr f-rs) +(dnop maskr "mask right" () h-uint f-rs) +(dnop bitnum "bit number" () h-uint f-rt) + +; For high(foo). +(define-operand + (name hi16) + (comment "high 16 bit immediate") + (attrs) + (type h-uint) + (index f-imm) + (handlers (parse "hi16")) +) + +; For low(foo). +(define-operand + (name lo16) + (comment "16 bit signed immediate, for low") + (attrs) + (type h-uint) + (index f-imm) + (handlers (parse "lo16")) +) + +; For negated imm. +(define-operand + (name mlo16) + (comment "negated 16 bit signed immediate") + (attrs) + (type h-uint) + (index f-imm) + (handlers (parse "mlo16")) +) + +; For iq10 jmps +; In the future, we'll want the j & jal to use the 21 bit target, with +; the upper five bits shifted up. For now, don't use this. +(define-operand + (name jmptargq10) + (comment "iq10 21-bit jump offset") + (attrs) + (type h-iaddr) + (index f-jtargq10) + (handlers (parse "jtargq10")) +) + + +; Instructions. + +; A pmacro for use in semantic bodies of unimplemented insns. +(define-pmacro (unimp mnemonic) (nop)) + +(define-pmacro (bitset? value bit-num) + (and value (sll 1 bit-num))) + +(define-pmacro (bitclear? value bit-num) + (not (bitset? value bit-num))) + +; Arithmetic/logic instructions. + +(dni add2 "add registers" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "add ${rd-rs},$rt" + (+ OP_SPECIAL rt rd-rs (f-shamt 0) FUNC_ADD) + (set rd-rs (add rt rd-rs)) + ()) + +(dni add "add registers" (USES-RD USES-RS USES-RT) + "add $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_ADD) + (set rd (add rs rt)) + ()) + + +(dni addi2 "add immediate" (ALIAS NO-DIS USES-RS USES-RT) + "addi ${rt-rs},$lo16" + (+ OP_ADDI rt-rs lo16) + (set rt-rs (add rt-rs (ext SI (trunc HI lo16)))) + ()) + +(dni addi "add immediate" (USES-RS USES-RT) + "addi $rt,$rs,$lo16" + (+ OP_ADDI rs rt lo16) + (set rt (add rs (ext SI (trunc HI lo16)))) + ()) + +(dni addiu2 "add immediate unsigned" (ALIAS NO-DIS USES-RS USES-RT) + "addiu ${rt-rs},$lo16" + (+ OP_ADDIU rt-rs lo16) + (set rt-rs (add rt-rs (ext SI (trunc HI lo16)))) + ()) + +(dni addiu "add immediate unsigned" (USES-RS USES-RT) + "addiu $rt,$rs,$lo16" + (+ OP_ADDIU rs rt lo16) + (set rt (add rs (ext SI (trunc HI lo16)))) + ()) + +(dni addu2 "add unsigned" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "addu ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_ADDU) + (set rd-rs (add rd-rs rt)) + ()) + +(dni addu "add unsigned" (USES-RD USES-RS USES-RT) + "addu $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_ADDU) + (set rd (add rs rt)) + ()) + +(dni ado162 "add 16, ones complement" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "ado16 ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_ADO16) + (sequence ((HI high) (HI low)) + (set low (add HI (and HI rd-rs #xFFFF) (and HI rt #xFFFF))) + (set high (add HI (srl rd-rs 16) (srl rt 16))) + (set rd-rs (or SI (sll SI high 16) low))) + ()) + +(dni ado16 "add 16, ones complement" (USES-RD USES-RS USES-RT) + "ado16 $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_ADO16) + (sequence ((HI high) (HI low)) + (set low (add HI (and HI rs #xFFFF) (and HI rt #xFFFF))) + (set high (add HI (srl rs 16) (srl rt 16))) + (set rd (or SI (sll SI high 16) low))) + ()) + +(dni and2 "and register" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "and ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_AND) + (set rd-rs (and rd-rs rt)) + ()) + +(dni and "and register" (USES-RD USES-RS USES-RT) + "and $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_AND) + (set rd (and rs rt)) + ()) + +(dni andi2 "and immediate" (ALIAS NO-DIS USES-RS USES-RT) + "andi ${rt-rs},$lo16" + (+ OP_ANDI rt-rs lo16) + (set rt-rs (and rt-rs (zext SI lo16))) + ()) + +(dni andi "and immediate" (USES-RS USES-RT) + "andi $rt,$rs,$lo16" + (+ OP_ANDI rs rt lo16) + (set rt (and rs (zext SI lo16))) + ()) + +(dni andoi2 "and ones immediate" (ALIAS NO-DIS USES-RS USES-RT) + "andoi ${rt-rs},$lo16" + (+ OP_ANDOI rt-rs lo16) + (set rt-rs (and rt-rs (or #xFFFF0000 (ext SI (trunc HI lo16))))) + ()) + +(dni andoi "and ones immediate" (USES-RS USES-RT) + "andoi $rt,$rs,$lo16" + (+ OP_ANDOI rs rt lo16) + (set rt (and rs (or #xFFFF0000 (ext SI (trunc HI lo16))))) + ()) + +(dni nor2 "nor" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "nor ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_NOR) + (set rd-rs (inv (or rd-rs rt))) + ()) + +(dni nor "nor" (USES-RD USES-RS USES-RT) + "nor $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_NOR) + (set rd (inv (or rs rt))) + ()) + +(dni or2 "or" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "or ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_OR) + (set rd-rs (or rd-rs rt)) + ()) + +(dni or "or" (USES-RD USES-RS USES-RT) + "or $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_OR) + (set rd (or rs rt)) + ()) + +(dni ori2 "or immediate" (ALIAS NO-DIS USES-RS USES-RT) + "ori ${rt-rs},$lo16" + (+ OP_ORI rt-rs lo16) + (set rt-rs (or rt-rs (zext SI lo16))) + ()) + +(dni ori "or immediate" (USES-RS USES-RT) + "ori $rt,$rs,$lo16" + (+ OP_ORI rs rt lo16) + (set rt (or rs (zext SI lo16))) + ()) + +(dni ram "rotate and mask" (USES-RD USES-RT) + "ram $rd,$rt,$shamt,$maskl,$maskr" + (+ OP_RAM maskr rt rd shamt (f-5 0) maskl) + (sequence () + (set rd (ror rt shamt)) + (set rd (and rd (srl #xFFFFFFFF maskl))) + (set rd (and rd (sll #xFFFFFFFF maskr)))) + ()) + +(dni sll "shift left logical" (USES-RD USES-RT) + "sll $rd,$rt,$shamt" + (+ OP_SPECIAL (f-rs 0) rt rd shamt (f-func 0)) + (set rd (sll rt shamt)) + ()) + +(dni sllv2 "shift left logical variable" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "sllv ${rd-rt},$rs" + (+ OP_SPECIAL rs rd-rt (f-shamt 0) FUNC_SLLV) + (set rd-rt (sll rd-rt (and rs #x1F))) + ()) + +(dni sllv "shift left logical variable" (USES-RD USES-RS USES-RT) + "sllv $rd,$rt,$rs" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SLLV) + (set rd (sll rt (and rs #x1F))) + ()) + +(dni slmv2 "shift left and mask variable" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "slmv ${rd-rt},$rs,$shamt" + (+ OP_SPECIAL rs rd-rt shamt FUNC_SLMV) + (set rd-rt (and (sll rd-rt shamt) (srl #xFFFFFFFF rs))) + ()) + +(dni slmv "shift left and mask variable" (USES-RD USES-RS USES-RT) + "slmv $rd,$rt,$rs,$shamt" + (+ OP_SPECIAL rs rt rd shamt FUNC_SLMV) + (set rd (and (sll rt shamt) (srl #xFFFFFFFF rs))) + ()) + +(dni slt2 "set if less than" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "slt ${rd-rs},$rt" + (+ OP_SPECIAL rt rd-rs (f-shamt 0) FUNC_SLT) + (if (lt rd-rs rt) + (set rd-rs 1) + (set rd-rs 0)) + ()) + +(dni slt "set if less than" (USES-RD USES-RS USES-RT) + "slt $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SLT) + (if (lt rs rt) + (set rd 1) + (set rd 0)) + ()) + +(dni slti2 "set if less than immediate" (ALIAS NO-DIS USES-RS USES-RT) + "slti ${rt-rs},$imm" + (+ OP_SLTI rt-rs imm) + (if (lt rt-rs (ext SI (trunc HI imm))) + (set rt-rs 1) + (set rt-rs 0)) + ()) + +(dni slti "set if less than immediate" (USES-RS USES-RT) + "slti $rt,$rs,$imm" + (+ OP_SLTI rs rt imm) + (if (lt rs (ext SI (trunc HI imm))) + (set rt 1) + (set rt 0)) + ()) + +(dni sltiu2 "set if less than immediate unsigned" (ALIAS NO-DIS USES-RS USES-RT) + "sltiu ${rt-rs},$imm" + (+ OP_SLTIU rt-rs imm) + (if (ltu rt-rs (ext SI (trunc HI imm))) + (set rt-rs 1) + (set rt-rs 0)) + ()) + +(dni sltiu "set if less than immediate unsigned" (USES-RS USES-RT) + "sltiu $rt,$rs,$imm" + (+ OP_SLTIU rs rt imm) + (if (ltu rs (ext SI (trunc HI imm))) + (set rt 1) + (set rt 0)) + ()) + +(dni sltu2 "set if less than unsigned" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "sltu ${rd-rs},$rt" + (+ OP_SPECIAL rd-rs rt (f-shamt 0) FUNC_SLTU) + (if (ltu rd-rs rt) + (set rd-rs 1) + (set rd-rs 0)) + ()) + +(dni sltu "set if less than unsigned" (USES-RD USES-RS USES-RT) + "sltu $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SLTU) + (if (ltu rs rt) + (set rd 1) + (set rd 0)) + ()) + +(dni sra2 "shift right arithmetic" (ALIAS NO-DIS USES-RD USES-RT) + "sra ${rd-rt},$shamt" + (+ OP_SPECIAL (f-rs 0) rd-rt shamt FUNC_SRA) + (set rd-rt (sra rd-rt shamt)) + ()) + +(dni sra "shift right arithmetic" (USES-RD USES-RT) + "sra $rd,$rt,$shamt" + (+ OP_SPECIAL (f-rs 0) rt rd shamt FUNC_SRA) + (set rd (sra rt shamt)) + ()) + +(dni srav2 "shift right arithmetic variable" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "srav ${rd-rt},$rs" + (+ OP_SPECIAL rs rd-rt (f-shamt 0) FUNC_SRAV) + (set rd-rt (sra rd-rt (and rs #x1F))) + ()) + +(dni srav "shift right arithmetic variable" (USES-RD USES-RS USES-RT) + "srav $rd,$rt,$rs" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SRAV) + (set rd (sra rt (and rs #x1F))) + ()) + +(dni srl "shift right logical" (USES-RD USES-RT) + "srl $rd,$rt,$shamt" + (+ OP_SPECIAL (f-rs 0) rt rd shamt FUNC_SRL) + (set rd (srl rt shamt)) + ()) + +(dni srlv2 "shift right logical variable" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "srlv ${rd-rt},$rs" + (+ OP_SPECIAL rs rd-rt (f-shamt 0) FUNC_SRLV) + (set rd-rt (srl rd-rt (and rs #x1F))) + ()) + +(dni srlv "shift right logical variable" (USES-RD USES-RS USES-RT) + "srlv $rd,$rt,$rs" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SRLV) + (set rd (srl rt (and rs #x1F))) + ()) + +(dni srmv2 "shift right and mask variable" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "srmv ${rd-rt},$rs,$shamt" + (+ OP_SPECIAL rs rd-rt shamt FUNC_SRMV) + (set rd-rt (and (srl rd-rt shamt) (sll #xFFFFFFFF rs))) + ()) + +(dni srmv "shift right and mask variable" (USES-RD USES-RS USES-RT) + "srmv $rd,$rt,$rs,$shamt" + (+ OP_SPECIAL rs rt rd shamt FUNC_SRMV) + (set rd (and (srl rt shamt) (sll #xFFFFFFFF rs))) + ()) + +(dni sub2 "subtract" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "sub ${rd-rs},$rt" + (+ OP_SPECIAL rt rd-rs (f-shamt 0) FUNC_SUB) + (set rd-rs (sub rd-rs rt)) + ()) + +(dni sub "subtract" (USES-RD USES-RS USES-RT) + "sub $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SUB) + (set rd (sub rs rt)) + ()) + +(dni subu2 "subtract unsigned" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "subu ${rd-rs},$rt" + (+ OP_SPECIAL rt rd-rs (f-shamt 0) FUNC_SUBU) + (set rd-rs (sub rd-rs rt)) + ()) + +(dni subu "subtract unsigned" (USES-RD USES-RS USES-RT) + "subu $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_SUBU) + (set rd (sub rs rt)) + ()) + +(dni xor2 "exclusive or" (ALIAS NO-DIS USES-RD USES-RS USES-RT) + "xor ${rd-rs},$rt" + (+ OP_SPECIAL rt rd-rs (f-shamt 0) FUNC_XOR) + (set rd-rs (xor rd-rs rt)) + ()) + +(dni xor "exclusive or" (USES-RD USES-RS USES-RT) + "xor $rd,$rs,$rt" + (+ OP_SPECIAL rs rt rd (f-shamt 0) FUNC_XOR) + (set rd (xor rs rt)) + ()) + +(dni xori2 "exclusive or immediate" (ALIAS NO-DIS USES-RS USES-RT) + "xori ${rt-rs},$lo16" + (+ OP_XORI rt-rs lo16) + (set rt-rs (xor rt-rs (zext SI lo16))) + ()) + +(dni xori "exclusive or immediate" (USES-RS USES-RT) + "xori $rt,$rs,$lo16" + (+ OP_XORI rs rt lo16) + (set rt (xor rs (zext SI lo16))) + ()) + + +; Branch instructions. + +(dni bbi "branch bit immediate" (USES-RS) + "bbi $rs($bitnum),$offset" + (+ OP_BBI rs bitnum offset) + (if (bitset? rs bitnum) + (delay 1 (set pc offset))) + ()) + +(dni bbin "branch bit immediate negated" (USES-RS) + "bbin $rs($bitnum),$offset" + (+ OP_BBIN rs bitnum offset) + (if (bitclear? rs bitnum) + (delay 1 (set pc offset))) + ()) + +(dni bbv "branch bit variable" (USES-RS USES-RT) + "bbv $rs,$rt,$offset" + (+ OP_BBV rs rt offset) + (if (bitset? rs (and rt #x1F)) + (delay 1 (set pc offset))) + ()) + +(dni bbvn "branch bit variable negated" (USES-RS USES-RT) + "bbvn $rs,$rt,$offset" + (+ OP_BBVN rs rt offset) + (if (bitclear? rs (and rt #x1F)) + (delay 1 (set pc offset))) + ()) + +(dni beq "branch if equal" (USES-RS USES-RT) + "beq $rs,$rt,$offset" + (+ OP_BEQ rs rt offset) + (if (eq rs rt) + (delay 1 (set pc offset))) + ()) + +(dni beql "branch if equal likely" (USES-RS USES-RT) + "beql $rs,$rt,$offset" + (+ OP_BEQL rs rt offset) + (if (eq rs rt) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bgez "branch if greater than or equal to zero" (USES-RS) + "bgez $rs,$offset" + (+ OP_REGIMM rs FUNC_BGEZ offset) + (if (ge rs 0) + (delay 1 (set pc offset))) + ()) + +(dni bgezal "branch if greater than or equal to zero and link" (USES-RS USES-R31) + "bgezal $rs,$offset" + (+ OP_REGIMM rs FUNC_BGEZAL offset) + (if (ge rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset)))) + ()) + +(dni bgezall + "branch if greater than equal to zero and link likely" (USES-RS USES-R31) + "bgezall $rs,$offset" + (+ OP_REGIMM rs FUNC_BGEZALL offset) + (if (ge rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset))) + (skip 1)) + ()) + +(dni bgezl "branch if greater or equal to zero likely" (USES-RS) + "bgezl $rs,$offset" + (+ OP_REGIMM rs FUNC_BGEZL offset) + (if (ge rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bltz "branch if less than zero" (USES-RS) + "bltz $rs,$offset" + (+ OP_REGIMM rs FUNC_BLTZ offset) + (if (lt rs 0) + (delay 1 (set pc offset))) + ()) + +(dni bltzl "branch if less than zero likely" (USES-RS) + "bltzl $rs,$offset" + (+ OP_REGIMM rs FUNC_BLTZL offset) + (if (lt rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni bltzal "branch if less than zero and link" (USES-RS USES-R31) + "bltzal $rs,$offset" + (+ OP_REGIMM rs FUNC_BLTZAL offset) + (if (lt rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset)))) + ()) + +(dni bltzall "branch if less than zero and link likely" (USES-RS USES-R31) + "bltzall $rs,$offset" + (+ OP_REGIMM rs FUNC_BLTZALL offset) + (if (lt rs 0) + (sequence () + (set (reg h-gr 31) (add pc 8)) + (delay 1 (set pc offset))) + (skip 1)) + ()) + +(dni bmb0 "branch if matching byte-lane 0" (USES-RS USES-RT) + "bmb0 $rs,$rt,$offset" + (+ OP_BMB0 rs rt offset) + (if (eq (and rs #xFF) (and rt #xFF)) + (delay 1 (set pc offset))) + ()) + +(dni bmb1 "branch if matching byte-lane 1" (USES-RS USES-RT) + "bmb1 $rs,$rt,$offset" + (+ OP_BMB1 rs rt offset) + (if (eq (and rs #xFF00) (and rt #xFF00)) + (delay 1 (set pc offset))) + ()) + +(dni bmb2 "branch if matching byte-lane 2" (USES-RS USES-RT) + "bmb2 $rs,$rt,$offset" + (+ OP_BMB2 rs rt offset) + (if (eq (and rs #xFF0000) (and rt #xFF0000)) + (delay 1 (set pc offset))) + ()) + +(dni bmb3 "branch if matching byte-lane 3" (USES-RS USES-RT) + "bmb3 $rs,$rt,$offset" + (+ OP_BMB3 rs rt offset) + (if (eq (and rs #xFF000000) (and rt #xFF000000)) + (delay 1 (set pc offset))) + ()) + +(dni bne "branch if not equal" (USES-RS USES-RT) + "bne $rs,$rt,$offset" + (+ OP_BNE rs rt offset) + (if (ne rs rt) + (delay 1 (set pc offset))) + ()) + +(dni bnel "branch if not equal likely" (USES-RS USES-RT) + "bnel $rs,$rt,$offset" + (+ OP_BNEL rs rt offset) + (if (ne rs rt) + (delay 1 (set pc offset)) + (skip 1)) + ()) + + + + +; Jump instructions. +; Might as well jump! + +(dni jalr "jump and link register" (USES-RD USES-RS) + "jalr $rd,$rs" + (+ OP_SPECIAL rs (f-rt 0) rd (f-shamt 0) FUNC_JALR) + (delay 1 + (sequence () + (set rd (add pc 8)) + (set pc rs))) + ()) + +(dni jr "jump register" (USES-RS) + "jr $rs" + (+ OP_SPECIAL rs (f-rt 0) (f-rd 0) (f-shamt 0) FUNC_JR) + (delay 1 (set pc rs)) + ()) + + +; Load instructions. + +(dni lb "load byte" (LOAD-DELAY USES-RS USES-RT) + "lb $rt,$lo16($base)" + (+ OP_LB base rt lo16) + (set rt (ext WI (mem QI (add base (ext SI (trunc HI lo16)))))) +; (sequence ((SI addr) (SI word)) +; (set addr (add base lo16)) +; (set word (mem SI (and addr (inv 3)))) +; (set word (srl word (sll (and addr 2) 3))) +; (set rt (ext SI word))) + ()) + +(dni lbu "load byte unsigned" (LOAD-DELAY USES-RS USES-RT) + "lbu $rt,$lo16($base)" + (+ OP_LBU base rt lo16) + (set rt (zext WI (mem QI (add base (ext SI (trunc HI lo16)))))) +; (sequence ((SI addr) (SI word)) +; (set addr (add base lo16)) +; (set word (mem SI (and addr (inv 3)))) +; (set rt (srl word (sll (and addr 2) 3)))) + ()) + +(dni lh "load half word" (LOAD-DELAY USES-RS USES-RT) + "lh $rt,$lo16($base)" + (+ OP_LH base rt lo16) + (set rt (ext WI (mem HI (add base (ext SI (trunc HI lo16)))))) +; (sequence ((SI addr) (HI word)) +; (set addr (add base lo16)) +; (set word (mem SI (and addr (inv 3)))) +; (set word (srl word (sll (and addr 1) 4))) +; (set rt (ext SI word))) + ()) + +(dni lhu "load half word unsigned" (LOAD-DELAY USES-RS USES-RT) + "lhu $rt,$lo16($base)" + (+ OP_LHU base rt lo16) + (set rt (zext WI (mem HI (add base (ext SI (trunc HI lo16)))))) +; (sequence ((SI addr) (SI word)) +; (set addr (add base lo16)) +; (set word (mem SI (and addr (inv 3)))) +; (set rt (srl word (sll (and addr 1) 4)))) + ()) + +(dni lui "load upper immediate" (USES-RT) + "lui $rt,$hi16" + (+ OP_LUI (f-rs 0) rt hi16) + (set rt (sll hi16 16)) + ()) + +(dni lw "load word" (LOAD-DELAY USES-RS USES-RT) + "lw $rt,$lo16($base)" + (+ OP_LW base rt lo16) + (set rt (mem SI (add base (ext SI (trunc HI lo16))))) + ()) + + +; Store instructions. + +(dni sb "store byte" (USES-RS USES-RT) + "sb $rt,$lo16($base)" + (+ OP_SB base rt lo16) + (set (mem QI (add base (ext SI (trunc HI lo16)))) (and QI rt #xFF)) + ()) + +(dni sh "store half word" (USES-RS USES-RT) + "sh $rt,$lo16($base)" + (+ OP_SH base rt lo16) + (set (mem HI (add base (ext SI (trunc HI lo16)))) (and HI rt #xFFFF)) + ()) + +(dni sw "store word" (USES-RS USES-RT) + "sw $rt,$lo16($base)" + (+ OP_SW base rt lo16) + (set (mem SI (add base (ext SI (trunc HI lo16)))) rt) + ()) + + +; Special instructions for simulation/debugging +(dni break "breakpoint" () + "break" + (+ OP_SPECIAL (f-rs 0) (f-rt 0) (f-rd 0) (f-shamt 0) FUNC_BREAK) + (c-call VOID "do_break" pc) + ()) + +(dni syscall "system call" (YIELD-INSN) + "syscall" + (+ OP_SPECIAL execode (f-func 12)) + (c-call VOID "do_syscall") + ()) + +; Macro instructions, common to iq10 & iq2000 + +(dnmi nop "nop" () + "nop" + (emit sll (rd 0) (rt 0) (shamt 0)) +) + +(dnmi li "load immediate" (USES-RS NO-DIS) + "li $rs,$imm" + (emit ori (rt 0) rs imm) +) + +(dnmi move "move" (USES-RD USES-RT NO-DIS) + "move $rd,$rt" + (emit or rd (rs 0) rt) +) + +(dnmi lb-base-0 "load byte - implied base 0" (USES-RT NO-DIS) + "lb $rt,$lo16" + (emit lb rt lo16 (base 0)) +) + +(dnmi lbu-base-0 "load byte unsigned - implied base 0" (USES-RT NO-DIS) + "lbu $rt,$lo16" + (emit lbu rt lo16 (base 0)) +) + +(dnmi lh-base-0 "load half - implied base 0" (USES-RT NO-DIS) + "lh $rt,$lo16" + (emit lh rt lo16 (base 0)) +) + +(dnmi lw-base-0 "load word - implied base 0" (USES-RT NO-DIS) + "lw $rt,$lo16" + (emit lw rt lo16 (base 0)) +) + +(dnmi m-add "add immediate" (USES-RS USES-RT NO-DIS) + "add $rt,$rs,$lo16" + (emit addi rt rs lo16)) + +(dnmi m-addu "add immediate unsigned" (USES-RS USES-RT NO-DIS) + "addu $rt,$rs,$lo16" + (emit addiu rt rs lo16) +) + +(dnmi m-and "and immediate" (USES-RS USES-RT NO-DIS) + "and $rt,$rs,$lo16" + (emit andi rt rs lo16) +) + +(dnmi m-j "jump register" (USES-RS NO-DIS) + "j $rs" + (emit jr rs) +) + +(dnmi m-or "or immediate" (USES-RS USES-RT NO-DIS) + "or $rt,$rs,$lo16" + (emit ori rt rs lo16) +) + +(dnmi m-sll "shift left logical" (USES-RD USES-RT USES-RS NO-DIS) + "sll $rd,$rt,$rs" + (emit sllv rd rt rs) +) + +(dnmi m-slt "slt immediate" (USES-RS USES-RT NO-DIS) + "slt $rt,$rs,$imm" + (emit slti rt rs imm) +) + +(dnmi m-sltu "sltu immediate" (USES-RS USES-RT NO-DIS) + "sltu $rt,$rs,$imm" + (emit sltiu rt rs imm) +) + +(dnmi m-sra "shift right arithmetic" (USES-RD USES-RT USES-RS NO-DIS) + "sra $rd,$rt,$rs" + (emit srav rd rt rs) +) + +(dnmi m-srl "shift right logical" (USES-RD USES-RT USES-RS NO-DIS) + "srl $rd,$rt,$rs" + (emit srlv rd rt rs) +) + +(dnmi not "not" (USES-RD USES-RT NO-DIS) + "not $rd,$rt" + (emit nor rd (rs 0) rt) +) + +(dnmi subi "sub immediate" (USES-RS USES-RT NO-DIS) + "subi $rt,$rs,$mlo16" + (emit addiu rt rs mlo16) +) + +(dnmi m-sub "subtract immediate" (USES-RS USES-RT NO-DIS) + "sub $rt,$rs,$mlo16" + (emit addiu rt rs mlo16) +) + +(dnmi m-subu "subtract unsigned" (USES-RS USES-RT NO-DIS) + "subu $rt,$rs,$mlo16" + (emit addiu rt rs mlo16) +) + +(dnmi sb-base-0 "store byte - implied base 0" (USES-RT NO-DIS) + "sb $rt,$lo16" + (emit sb rt lo16 (base 0)) +) + +(dnmi sh-base-0 "store half - implied base 0" (USES-RT NO-DIS) + "sh $rt,$lo16" + (emit sh rt lo16 (base 0)) +) + +(dnmi sw-base-0 "store word - implied base 0" (USES-RT NO-DIS) + "sw $rt,$lo16" + (emit sw rt lo16 (base 0)) +) + +(dnmi m-xor "xor immediate" (USES-RS USES-RT NO-DIS) + "xor $rt,$rs,$lo16" + (emit xori rt rs lo16) +) + + +(if (keep-mach? (iq2000)) +(include "iq2000m.cpu")) + +(if (keep-mach? (iq10)) +(include "iq10.cpu")) + + + diff --git a/cpu/iq2000.opc b/cpu/iq2000.opc new file mode 100644 index 0000000..06600ec --- /dev/null +++ b/cpu/iq2000.opc @@ -0,0 +1,324 @@ +/* IQ2000 opcode support. -*- C -*- + + Copyright 2000, 2001, 2002 Free Software Foundation, Inc. + + Contributed by Red Hat Inc; developed under contract from Fujitsu. + + This file is part of the GNU Binutils. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ + +/* This file is an addendum to iq2000.cpu. Heavy use of C code isn't + appropriate in .cpu files, so it resides here. This especially applies + to assembly/disassembly where parsing/printing can be quite involved. + Such things aren't really part of the specification of the cpu, per se, + so .cpu files provide the general framework and .opc files handle the + nitty-gritty details as necessary. + + 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 */ + +/* Allows reason codes to be output when assembler errors occur. */ +#define CGEN_VERBOSE_ASSEMBLER_ERRORS + +/* Override disassembly hashing - there are variable bits in the top + byte of these instructions. */ +#define CGEN_DIS_HASH_SIZE 8 +#define CGEN_DIS_HASH(buf,value) (((* (unsigned char*) (buf)) >> 6) % CGEN_DIS_HASH_SIZE) + +/* following activates check beyond hashing since some iq2000 and iq10 + instructions have same mnemonics but different functionality. */ +#define CGEN_VALIDATE_INSN_SUPPORTED + +extern int iq2000_cgen_insn_supported (CGEN_CPU_DESC cd, CGEN_INSN *insn); + +/* -- asm.c */ +static const char * parse_mimm PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); +static const char * parse_imm PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); +static const char * parse_hi16 PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); +static const char * parse_lo16 PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); + +/* Special check to ensure that instruction exists for given machine */ +int +iq2000_cgen_insn_supported (cd, insn) + CGEN_CPU_DESC cd; + CGEN_INSN *insn; +{ + int machs = cd->machs; + + return ((CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH) & machs) != 0); +} + +static int iq2000_cgen_isa_register (strp) + const char **strp; +{ + int len; + int ch1, ch2; + if (**strp == 'r' || **strp == 'R') + { + len = strlen (*strp); + if (len == 2) + { + ch1 = (*strp)[1]; + if ('0' <= ch1 && ch1 <= '9') + return 1; + } + else if (len == 3) + { + ch1 = (*strp)[1]; + ch2 = (*strp)[2]; + if (('1' <= ch1 && ch1 <= '2') && ('0' <= ch2 && ch2 <= '9')) + return 1; + if ('3' == ch1 && (ch2 == '0' || ch2 == '1')) + return 1; + } + } + if (**strp == '%' && tolower((*strp)[1]) != 'l' && tolower((*strp)[1]) != 'h') + return 1; + return 0; +} + +/* Handle negated literal. */ + +static const char * +parse_mimm (cd, strp, opindex, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + long *valuep; +{ + const char *errmsg; + long value; + + /* Verify this isn't a register */ + if (iq2000_cgen_isa_register (strp)) + errmsg = _("immediate value cannot be register"); + else + { + long value; + + errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); + if (errmsg == NULL) + { + long x = (-value) & 0xFFFF0000; + if (x != 0 && x != 0xFFFF0000) + errmsg = _("immediate value out of range"); + else + *valuep = (-value & 0xFFFF); + } + } + return errmsg; +} + +/* Handle signed/unsigned literal. */ + +static const char * +parse_imm (cd, strp, opindex, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + unsigned long *valuep; +{ + const char *errmsg; + long value; + + if (iq2000_cgen_isa_register (strp)) + errmsg = _("immediate value cannot be register"); + else + { + long value; + + errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); + if (errmsg == NULL) + { + long x = value & 0xFFFF0000; + if (x != 0 && x != 0xFFFF0000) + errmsg = _("immediate value out of range"); + else + *valuep = (value & 0xFFFF); + } + } + return errmsg; +} + +/* Handle iq10 21-bit jmp offset. */ + +static const char * +parse_jtargq10 (cd, strp, opindex, reloc, type_addr, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + int reloc; + enum cgen_parse_operand_result *type_addr; + unsigned long *valuep; +{ + const char *errmsg; + bfd_vma value; + enum cgen_parse_operand_result result_type = CGEN_PARSE_OPERAND_RESULT_NUMBER; + + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_OFFSET_21, + &result_type, &value); + if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + { + /* check value is within 23-bits (remembering that 2-bit shift right will occur) */ + if (value > 0x7fffff) + return _("21-bit offset out of range"); + } + *valuep = (value & 0x7FFFFF); + return errmsg; +} + +/* Handle high(). */ + +static const char * +parse_hi16 (cd, strp, opindex, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + unsigned long *valuep; +{ + if (strncasecmp (*strp, "%hi(", 4) == 0) + { + enum cgen_parse_operand_result result_type; + bfd_vma value; + const char *errmsg; + + *strp += 4; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, + &result_type, &value); + if (**strp != ')') + return _("missing `)'"); + + ++*strp; + if (errmsg == NULL + && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + { + /* if value has top-bit of %lo on, then it will + sign-propagate and so we compensate by adding + 1 to the resultant %hi value */ + if (value & 0x8000) + value += 0x10000; + value >>= 16; + } + *valuep = value; + + return errmsg; + } + + /* we add %uhi in case a user just wants the high 16-bits or is using + an insn like ori for %lo which does not sign-propagate */ + if (strncasecmp (*strp, "%uhi(", 5) == 0) + { + enum cgen_parse_operand_result result_type; + bfd_vma value; + const char *errmsg; + + *strp += 5; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_UHI16, + &result_type, &value); + if (**strp != ')') + return _("missing `)'"); + + ++*strp; + if (errmsg == NULL + && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + { + value >>= 16; + } + *valuep = value; + + return errmsg; + } + + return parse_imm (cd, strp, opindex, valuep); +} + +/* Handle %lo in a signed context. + The signedness of the value doesn't matter to %lo(), but this also + handles the case where %lo() isn't present. */ + +static const char * +parse_lo16 (cd, strp, opindex, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + long *valuep; +{ + if (strncasecmp (*strp, "%lo(", 4) == 0) + { + const char *errmsg; + enum cgen_parse_operand_result result_type; + bfd_vma value; + + *strp += 4; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, + &result_type, &value); + if (**strp != ')') + return _("missing `)'"); + ++*strp; + if (errmsg == NULL + && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + value &= 0xffff; + *valuep = value; + return errmsg; + } + + return parse_imm (cd, strp, opindex, valuep); +} + +/* Handle %lo in a negated signed context. + The signedness of the value doesn't matter to %lo(), but this also + handles the case where %lo() isn't present. */ + +static const char * +parse_mlo16 (cd, strp, opindex, valuep) + CGEN_CPU_DESC cd; + const char **strp; + int opindex; + long *valuep; +{ + if (strncasecmp (*strp, "%lo(", 4) == 0) + { + const char *errmsg; + enum cgen_parse_operand_result result_type; + bfd_vma value; + + *strp += 4; + errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, + &result_type, &value); + if (**strp != ')') + return _("missing `)'"); + ++*strp; + if (errmsg == NULL + && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) + value = (-value) & 0xffff; + *valuep = value; + return errmsg; + } + + return parse_mimm (cd, strp, opindex, valuep); +} + +/* -- */ diff --git a/cpu/iq2000m.cpu b/cpu/iq2000m.cpu new file mode 100644 index 0000000..a3a41d9 --- /dev/null +++ b/cpu/iq2000m.cpu @@ -0,0 +1,630 @@ +; IQ2000-only CPU description. -*- Scheme -*- +; +; Copyright 2000, 2001, 2002 Free Software Foundation, Inc. +; +; Contributed by Red Hat Inc; developed under contract from Vitesse. +; +; 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +(dni andoui "and upper ones immediate" (MACH2000 USES-RS USES-RT) + "andoui $rt,$rs,$hi16" + (+ OP_ANDOUI rs rt hi16) + (set rt (and rs (or (sll hi16 16) #xFFFF))) + ()) + +(dni andoui2 "and upper ones immediate" (ALIAS NO-DIS MACH2000 USES-RS USES-RT) + "andoui ${rt-rs},$hi16" + (+ OP_ANDOUI rt-rs hi16) + (set rt-rs (and rt-rs (or (sll hi16 16) #xFFFF))) + ()) + +(dni orui2 "or upper immediate" (ALIAS NO-DIS MACH2000 USES-RS USES-RT) + "orui ${rt-rs},$hi16" + (+ OP_ORUI rt-rs hi16) + (set rt-rs (or rt-rs (sll hi16 16))) + ()) + +(dni orui "or upper immediate" (MACH2000 USES-RS USES-RT) + "orui $rt,$rs,$hi16" + (+ OP_ORUI rs rt hi16) + (set rt (or rs (sll hi16 16))) + ()) + +(dni bgtz "branch if greater than zero" (MACH2000 USES-RS) + "bgtz $rs,$offset" + (+ OP_BGTZ rs (f-rt 0) offset) + (if (gt rs 0) + (delay 1 (set pc offset))) + ()) + + +(dni bgtzl "branch if greater than zero likely" (MACH2000 USES-RS) + "bgtzl $rs,$offset" + (+ OP_BGTZL rs (f-rt 0) offset) + (if (gt rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + +(dni blez "branch if less than or equal to zero" (MACH2000 USES-RS) + "blez $rs,$offset" + (+ OP_BLEZ rs (f-rt 0) offset) + (if (le rs 0) + (delay 1 (set pc offset))) + ()) + +(dni blezl "branch if less than or equal to zero likely" (MACH2000 USES-RS) + "blezl $rs,$offset" + (+ OP_BLEZL rs (f-rt 0) offset) + (if (le rs 0) + (delay 1 (set pc offset)) + (skip 1)) + ()) + + +(dni mrgb "merge bytes" (MACH2000 USES-RD USES-RS USES-RT) + "mrgb $rd,$rs,$rt,$mask" + (+ OP_SPECIAL rs rt rd (f-10 0) mask FUNC_MRGB) + (sequence ((SI temp)) + (if (bitclear? mask 0) + (set temp (and rs #xFF)) + (set temp (and rt #xFF))) + (if (bitclear? mask 1) + (set temp (or temp (and rs #xFF00))) + (set temp (or temp (and rt #xFF00)))) + (if (bitclear? mask 2) + (set temp (or temp (and rs #xFF0000))) + (set temp (or temp (and rt #xFF0000)))) + (if (bitclear? mask 3) + (set temp (or temp (and rs #xFF000000))) + (set temp (or temp (and rt #xFF000000)))) + (set rd temp)) + ()) + +(dni mrgb2 "merge bytes" (ALIAS NO-DIS MACH2000 USES-RD USES-RS USES-RT) + "mrgb ${rd-rs},$rt,$mask" + (+ OP_SPECIAL rt rd-rs (f-10 0) mask FUNC_MRGB) + (sequence ((SI temp)) + (if (bitclear? mask 0) + (set temp (and rd-rs #xFF)) + (set temp (and rt #xFF))) + (if (bitclear? mask 1) + (set temp (or temp (and rd-rs #xFF00))) + (set temp (or temp (and rt #xFF00)))) + (if (bitclear? mask 2) + (set temp (or temp (and rd-rs #xFF0000))) + (set temp (or temp (and rt #xFF0000)))) + (if (bitclear? mask 3) + (set temp (or temp (and rd-rs #xFF000000))) + (set temp (or temp (and rt #xFF000000)))) + (set rd-rs temp)) + ()) + +; NOTE: None of these instructions' semantics are specified, so they +; will not work in a simulator. +; +; Architectural and coprocessor instructions. +; BREAK and SYSCALL are implemented with escape hatches to the C +; code. These are used by the test suite to indicate pass/failures. + +(dni bctxt "branch and switch context" (MACH2000 DELAY-SLOT COND-CTI USES-RS) + "bctxt $rs,$offset" + (+ OP_REGIMM rs (f-rt 6) offset) + (unimp bctxt) + ()) + +(dni bc0f "branch if copro 0 condition false" (MACH2000 DELAY-SLOT COND-CTI) + "bc0f $offset" + (+ OP_COP0 (f-rs 8) (f-rt 0) offset) + (unimp bc0f) + ()) + +(dni bc0fl "branch if copro 0 condition false likely" (MACH2000 DELAY-SLOT COND-CTI SKIP-CTI) + "bc0fl $offset" + (+ OP_COP0 (f-rs 8) (f-rt 2) offset) + (unimp bc0fl) + ()) + +(dni bc3f "branch if copro 3 condition false" (MACH2000 DELAY-SLOT COND-CTI) + "bc3f $offset" + (+ OP_COP3 (f-rs 8) (f-rt 0) offset) + (unimp bc3f) + ()) + +(dni bc3fl "branch if copro 3 condition false likely" (MACH2000 DELAY-SLOT COND-CTI SKIP-CTI) + "bc3fl $offset" + (+ OP_COP3 (f-rs 8) (f-rt 2) offset) + (unimp bc3fl) + ()) + +(dni bc0t "branch if copro 0 condition true" (MACH2000 DELAY-SLOT COND-CTI) + "bc0t $offset" + (+ OP_COP0 (f-rs 8) (f-rt 1) offset) + (unimp bc0t) + ()) + +(dni bc0tl "branch if copro 0 condition true likely" (MACH2000 DELAY-SLOT COND-CTI SKIP-CTI) + "bc0tl $offset" + (+ OP_COP0 (f-rs 8) (f-rt 3) offset) + (unimp bc0tl) + ()) + +(dni bc3t "branch if copro 3 condition true" (MACH2000 DELAY-SLOT COND-CTI) + "bc3t $offset" + (+ OP_COP3 (f-rs 8) (f-rt 1) offset) + (unimp bc3t) + ()) + +(dni bc3tl "branch if copro 3 condition true likely" (MACH2000 DELAY-SLOT COND-CTI SKIP-CTI) + "bc3tl $offset" + (+ OP_COP3 (f-rs 8) (f-rt 3) offset) + (unimp bc3tl) + ()) + +; Note that we don't set the USES-RD or USES-RT attributes for many of the following +; instructions, as it's the COP register that's being specified. + +(dni cfc0 "control from coprocessor 0" (MACH2000 LOAD-DELAY USES-RT) + "cfc0 $rt,$rd" + (+ OP_COP0 (f-rs 2) rt rd (f-10-11 0)) + (unimp cfc0) + ()) + +(dni cfc1 "control from coprocessor 1" (MACH2000 LOAD-DELAY USES-RT) + "cfc1 $rt,$rd" + (+ OP_COP1 (f-rs 2) rt rd (f-10-11 0)) + (unimp cfc1) + ()) + +(dni cfc2 "control from coprocessor 2" (MACH2000 LOAD-DELAY USES-RT YIELD-INSN) + "cfc2 $rt,$rd" + (+ OP_COP2 (f-rs 2) rt rd (f-10-11 0)) + (unimp cfc2) + ()) + +(dni cfc3 "control from coprocessor 3" (MACH2000 LOAD-DELAY USES-RT YIELD-INSN) + "cfc3 $rt,$rd" + (+ OP_COP3 (f-rs 2) rt rd (f-10-11 0)) + (unimp cfc3) + ()) + +; COPz instructions are an instruction form, not real instructions +; with associated assembly mnemonics. Therefore, they are omitted +; from the ISA description. + +(dni chkhdr "check header" (MACH2000 LOAD-DELAY USES-RD YIELD-INSN) + "chkhdr $rd,$rt" + (+ OP_COP3 (f-rs 9) rt rd (f-shamt 0) (f-func 0)) + (unimp chkhdr) + ()) + +(dni ctc0 "control to coprocessor 0" (MACH2000 USES-RT) + "ctc0 $rt,$rd" + (+ OP_COP0 (f-rs 6) rt rd (f-10-11 0)) + (unimp ctc0) + ()) + +(dni ctc1 "control to coprocessor 1" (MACH2000 USES-RT) + "ctc1 $rt,$rd" + (+ OP_COP1 (f-rs 6) rt rd (f-10-11 0)) + (unimp ctc1) + ()) + +(dni ctc2 "control to coprocessor 2" (MACH2000 USES-RT) + "ctc2 $rt,$rd" + (+ OP_COP2 (f-rs 6) rt rd (f-10-11 0)) + (unimp ctc2) + ()) + +(dni ctc3 "control to coprocessor 3" (MACH2000 USES-RT) + "ctc3 $rt,$rd" + (+ OP_COP3 (f-rs 6) rt rd (f-10-11 0)) + (unimp ctc3) + ()) + +(dni jcr "jump context register" (MACH2000 DELAY-SLOT UNCOND-CTI USES-RS) + "jcr $rs" + (+ OP_SPECIAL rs (f-rt 0) (f-rd 0) (f-shamt 0) FUNC_JCR) + (unimp jcr) + ()) + +(dni luc32 "lookup chain 32 bits" (MACH2000 USES-RD USES-RT YIELD-INSN) + "luc32 $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 3)) + (unimp luc32) + ()) + +(dni luc32l "lookup chain 32 bits and lock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "luc32l $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 7)) + (unimp luc32l) + ()) + +(dni luc64 "lookup chain 64 bits" (MACH2000 USES-RD USES-RT YIELD-INSN) + "luc64 $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 11)) + (unimp luc64) + ()) + +(dni luc64l "lookup chain 64 bits and lock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "luc64l $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 15)) + (unimp luc64l) + ()) + +(dni luk "lookup key" (MACH2000 USES-RD USES-RT) + "luk $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 8)) + (unimp luk) + ()) + +(dni lulck "lookup lock" (MACH2000 USES-RT YIELD-INSN) + "lulck $rt" + (+ OP_COP2 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 4)) + (unimp lulck) + ()) + +(dni lum32 "lookup match 32 bits" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lum32 $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 2)) + (unimp lum32) + ()) + +(dni lum32l "lookup match 32 bits and lock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lum32l $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 6)) + (unimp lum32l) + ()) + +(dni lum64 "lookup match 64 bits" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lum64 $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 10)) + (unimp lum64) + ()) + +(dni lum64l "lookup match 64 bits and lock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lum64l $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 14)) + (unimp lum64l) + ()) + +(dni lur "lookup read" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lur $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 1)) + (unimp lur) + ()) + +(dni lurl "lookup read and lock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "lurl $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 5)) + (unimp lurl) + ()) + +(dni luulck "lookup unlock" (MACH2000 USES-RT YIELD-INSN) + "luulck $rt" + (+ OP_COP2 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 0)) + (unimp luulck) + ()) + +(dni mfc0 "move from coprocessor 0" (MACH2000 LOAD-DELAY USES-RT) + "mfc0 $rt,$rd" + (+ OP_COP0 (f-rs 0) rt rd (f-10-11 0)) + (unimp mfc0) + ()) + +(dni mfc1 "move from coprocessor 1" (MACH2000 LOAD-DELAY USES-RT) + "mfc1 $rt,$rd" + (+ OP_COP1 (f-rs 0) rt rd (f-10-11 0)) + (unimp mfc1) + ()) + +(dni mfc2 "move from coprocessor 2" (MACH2000 LOAD-DELAY USES-RT YIELD-INSN) + "mfc2 $rt,$rd" + (+ OP_COP2 (f-rs 0) rt rd (f-10-11 0)) + (unimp mfc2) + ()) + +(dni mfc3 "move from coprocessor 3" (MACH2000 LOAD-DELAY USES-RT YIELD-INSN) + "mfc3 $rt,$rd" + (+ OP_COP3 (f-rs 0) rt rd (f-10-11 0)) + (unimp mfc3) + ()) + +(dni mtc0 "move to coprocessor 0" (MACH2000 USES-RT) + "mtc0 $rt,$rd" + (+ OP_COP0 (f-rs 4) rt rd (f-10-11 0)) + (unimp mtc0) + ()) + +(dni mtc1 "move to coprocessor 1" (MACH2000 USES-RT) + "mtc1 $rt,$rd" + (+ OP_COP1 (f-rs 4) rt rd (f-10-11 0)) + (unimp mtc1) + ()) + +(dni mtc2 "move to coprocessor 2" (MACH2000 USES-RT) + "mtc2 $rt,$rd" + (+ OP_COP2 (f-rs 4) rt rd (f-10-11 0)) + (unimp mtc2) + ()) + +(dni mtc3 "move to coprocessor 3" (MACH2000 USES-RT) + "mtc3 $rt,$rd" + (+ OP_COP3 (f-rs 4) rt rd (f-10-11 0)) + (unimp mtc3) + ()) + +(dni pkrl "pkrl" (MACH2000 USES-RD USES-RT YIELD-INSN) + "pkrl $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 7)) + (unimp pkrl) + ()) + +(dni pkrlr1 "pkrlr1" (MACH2000 USES-RT YIELD-INSN) + "pkrlr1 $rt,$count" + (+ OP_COP3 (f-rs 29) rt count) + (unimp pkrlr1) + ()) + +(dni pkrlr30 "pkrlr30" (MACH2000 USES-RT YIELD-INSN) + "pkrlr30 $rt,$count" + (+ OP_COP3 (f-rs 31) rt count) + (unimp pkrlr30) + ()) + +(dni rb "dma read bytes" (MACH2000 USES-RD USES-RT YIELD-INSN) + "rb $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 4)) + (unimp rb) + ()) + +(dni rbr1 "dma read bytes using r1" (MACH2000 USES-RT YIELD-INSN) + "rbr1 $rt,$count" + (+ OP_COP3 (f-rs 24) rt count) + (unimp rbr1) + ()) + +(dni rbr30 "dma read bytes using r30" (MACH2000 USES-RT YIELD-INSN) + "rbr30 $rt,$count" + (+ OP_COP3 (f-rs 26) rt count) + (unimp rbr30) + ()) + +(dni rfe "restore from exception" (MACH2000) + "rfe" + (+ OP_COP0 (f-25 1) (f-24-19 0) (f-func 16)) + (unimp rfe) + ()) + +(dni rx "dma read word64s" (MACH2000 USES-RD USES-RT YIELD-INSN) + "rx $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 6)) + (unimp rx) + ()) + +(dni rxr1 "dma read word64s using r1" (MACH2000 USES-RT YIELD-INSN) + "rxr1 $rt,$count" + (+ OP_COP3 (f-rs 28) rt count) + (unimp rxr1) + ()) + +(dni rxr30 "dma read word 64s using r30" (MACH2000 USES-RT YIELD-INSN) + "rxr30 $rt,$count" + (+ OP_COP3 (f-rs 30) rt count) + (unimp rxr30) + ()) + +(dni sleep "sleep" (MACH2000 YIELD-INSN) + "sleep" + (+ OP_SPECIAL execode FUNC_SLEEP) + (unimp sleep) + ()) + +(dni srrd "sram read" (MACH2000 USES-RT YIELD-INSN) + "srrd $rt" + (+ OP_COP2 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 16)) + (unimp srrd) + ()) + +(dni srrdl "sram read and lock" (MACH2000 USES-RT YIELD-INSN) + "srrdl $rt" + (+ OP_COP2 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 20)) + (unimp srrdl) + ()) + +(dni srulck "sram unlock" (MACH2000 USES-RT YIELD-INSN) + "srulck $rt" + (+ OP_COP2 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 22)) + (unimp srulck) + ()) + +(dni srwr "sram write" (MACH2000 USES-RD USES-RT YIELD-INSN) + "srwr $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 17)) + (unimp srwr) + ()) + +(dni srwru "sram write and unlock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "srwru $rt,$rd" + (+ OP_COP2 (f-rs 1) rt rd (f-shamt 0) (f-func 21)) + (unimp srwru) + ()) + +(dni trapqfl "yield if dma queue full" (MACH2000 YIELD-INSN) + "trapqfl" + (+ OP_COP3 (f-rs 1) (f-rt 0) (f-rd 0) (f-shamt 0) (f-func 8)) + (unimp trapqfl) + ()) + +(dni trapqne "yield if dma queue not empty" (MACH2000 YIELD-INSN) + "trapqne" + (+ OP_COP3 (f-rs 1) (f-rt 0) (f-rd 0) (f-shamt 0) (f-func 9)) + (unimp trapqne) + ()) + +(dni traprel "traprel" (MACH2000 USES-RT YIELD-INSN) + "traprel $rt" + (+ OP_COP3 (f-rs 1) rt (f-rd 0) (f-shamt 0) (f-func 10)) + (unimp traprel) + ()) + +(dni wb "dma write bytes" (MACH2000 USES-RD USES-RT YIELD-INSN) + "wb $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 0)) + (unimp wb) + ()) + +(dni wbu "dma write bytes and unlock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "wbu $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 1)) + (unimp wbu) + ()) + +(dni wbr1 "dma write bytes using r1" (MACH2000 USES-RT YIELD-INSN) + "wbr1 $rt,$count" + (+ OP_COP3 (f-rs 16) rt count) + (unimp wbr1) + ()) + +(dni wbr1u "dma write bytes using r1 and unlock" (MACH2000 USES-RT YIELD-INSN) + "wbr1u $rt,$count" + (+ OP_COP3 (f-rs 17) rt count) + (unimp wbr1u) + ()) + +(dni wbr30 "dma write bytes using r30" (MACH2000 USES-RT YIELD-INSN) + "wbr30 $rt,$count" + (+ OP_COP3 (f-rs 18) rt count) + (unimp wbr30) + ()) + +(dni wbr30u "dma write bytes using r30 and unlock" (MACH2000 USES-RT YIELD-INSN) + "wbr30u $rt,$count" + (+ OP_COP3 (f-rs 19) rt count) + (unimp wbr30u) + ()) + +(dni wx "dma write word64s" (MACH2000 USES-RD USES-RT YIELD-INSN) + "wx $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 2)) + (unimp wx) + ()) + +(dni wxu "dma write word64s and unlock" (MACH2000 USES-RD USES-RT YIELD-INSN) + "wxu $rd,$rt" + (+ OP_COP3 (f-rs 1) rt rd (f-shamt 0) (f-func 3)) + (unimp wxu) + ()) + +(dni wxr1 "dma write word64s using r1" (MACH2000 USES-RT YIELD-INSN) + "wxr1 $rt,$count" + (+ OP_COP3 (f-rs 20) rt count) + (unimp wxr1) + ()) + +(dni wxr1u "dma write word64s using r1 and unlock" (MACH2000 USES-RT YIELD-INSN) + "wxr1u $rt,$count" + (+ OP_COP3 (f-rs 21) rt count) + (unimp wxr1u) + ()) + +(dni wxr30 "dma write word64s using r30" (MACH2000 USES-RT YIELD-INSN) + "wxr30 $rt,$count" + (+ OP_COP3 (f-rs 22) rt count) + (unimp wxr30) + ()) + +(dni wxr30u "dma write word64s using r30 and unlock" (MACH2000 USES-RT YIELD-INSN) + "wxr30u $rt,$count" + (+ OP_COP3 (f-rs 23) rt count) + (unimp wxr30u) + ()) + + +; Load/Store instructions. + +(dni ldw "load double word" (MACH2000 EVEN-REG-NUM LOAD-DELAY USES-RT) + "ldw $rt,$lo16($base)" + (+ OP_LDW base rt lo16) + (sequence ((SI addr)) + (set addr (and (add base lo16) (inv 3))) + (set (reg h-gr (add (ifield f-rt) 1)) (mem SI addr)) + (set rt (mem SI (add addr 4)))) + ()) + +(dni sdw "store double word" (MACH2000 EVEN-REG-NUM USES-RT) + "sdw $rt,$lo16($base)" + (+ OP_SDW base rt lo16) + (sequence ((SI addr)) + (set addr (and (add base lo16) (inv 3))) + (set (mem SI (add addr 4)) rt) + (set (mem SI addr) (reg h-gr (add (ifield f-rt) 1)))) + ()) + + +; Jump instructions + +(dni j "jump" (MACH2000) + "j $jmptarg" + (+ OP_J (f-rsrvd 0) jmptarg) + (delay 1 (set pc jmptarg)) + ()) + +(dni jal "jump and link" (MACH2000 USES-R31) + "jal $jmptarg" + (+ OP_JAL (f-rsrvd 0) jmptarg) + (delay 1 + (sequence () + (set (reg h-gr 31) (add pc 8)) + (set pc jmptarg))) + ()) + +(dni bmb "branch if matching byte-lane" (MACH2000 USES-RS USES-RT) + "bmb $rs,$rt,$offset" + (+ OP_BMB rs rt offset) + (sequence ((BI branch?)) + (set branch? 0) + (if (eq (and rs #xFF) (and rt #xFF)) + (set branch? 1)) + (if (eq (and rs #xFF00) (and rt #xFF00)) + (set branch? 1)) + (if (eq (and rs #xFF0000) (and rt #xFF0000)) + (set branch? 1)) + (if (eq (and rs #xFF000000) (and rt #xFF000000)) + (set branch? 1)) + (if branch? + (delay 1 (set pc offset)))) + ()) + + +; Macros + +(dnmi ldw-base-0 "load double word - implied base 0" (MACH2000 EVEN-REG-NUM LOAD-DELAY USES-RT USES-RS NO-DIS) + "ldw $rt,$lo16" + (emit ldw rt lo16 (base 0)) +) + +(dnmi sdw-base-0 "store double word - implied base 0" (MACH2000 EVEN-REG-NUM USES-RT NO-DIS) + "sdw $rt,$lo16" + (emit sdw rt lo16 (base 0)) +) + + + + + + |