|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
local type = type |
|
|
local byte, format = string.byte, string.format |
|
|
local match, gmatch, gsub = string.match, string.gmatch, string.gsub |
|
|
local concat = table.concat |
|
|
local bit = require("bit") |
|
|
local band, bor, tohex = bit.band, bit.bor, bit.tohex |
|
|
local lshift, rshift, arshift = bit.lshift, bit.rshift, bit.arshift |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
local map_crops = { |
|
|
shift = 1, mask = 1023, |
|
|
[0] = "mcrfXX", |
|
|
[33] = "crnor|crnotCCC=", [129] = "crandcCCC", |
|
|
[193] = "crxor|crclrCCC%", [225] = "crnandCCC", |
|
|
[257] = "crandCCC", [289] = "creqv|crsetCCC%", |
|
|
[417] = "crorcCCC", [449] = "cror|crmoveCCC=", |
|
|
[16] = "b_lrKB", [528] = "b_ctrKB", |
|
|
[150] = "isync", |
|
|
} |
|
|
|
|
|
local map_rlwinm = setmetatable({ |
|
|
shift = 0, mask = -1, |
|
|
}, |
|
|
{ __index = function(t, x) |
|
|
local rot = band(rshift(x, 11), 31) |
|
|
local mb = band(rshift(x, 6), 31) |
|
|
local me = band(rshift(x, 1), 31) |
|
|
if mb == 0 and me == 31-rot then |
|
|
return "slwiRR~A." |
|
|
elseif me == 31 and mb == 32-rot then |
|
|
return "srwiRR~-A." |
|
|
else |
|
|
return "rlwinmRR~AAA." |
|
|
end |
|
|
end |
|
|
}) |
|
|
|
|
|
local map_rld = { |
|
|
shift = 2, mask = 7, |
|
|
[0] = "rldiclRR~HM.", "rldicrRR~HM.", "rldicRR~HM.", "rldimiRR~HM.", |
|
|
{ |
|
|
shift = 1, mask = 1, |
|
|
[0] = "rldclRR~RM.", "rldcrRR~RM.", |
|
|
}, |
|
|
} |
|
|
|
|
|
local map_ext = setmetatable({ |
|
|
shift = 1, mask = 1023, |
|
|
|
|
|
[0] = "cmp_YLRR", [32] = "cmpl_YLRR", |
|
|
[4] = "twARR", [68] = "tdARR", |
|
|
|
|
|
[8] = "subfcRRR.", [40] = "subfRRR.", |
|
|
[104] = "negRR.", [136] = "subfeRRR.", |
|
|
[200] = "subfzeRR.", [232] = "subfmeRR.", |
|
|
[520] = "subfcoRRR.", [552] = "subfoRRR.", |
|
|
[616] = "negoRR.", [648] = "subfeoRRR.", |
|
|
[712] = "subfzeoRR.", [744] = "subfmeoRR.", |
|
|
|
|
|
[9] = "mulhduRRR.", [73] = "mulhdRRR.", [233] = "mulldRRR.", |
|
|
[457] = "divduRRR.", [489] = "divdRRR.", |
|
|
[745] = "mulldoRRR.", |
|
|
[969] = "divduoRRR.", [1001] = "divdoRRR.", |
|
|
|
|
|
[10] = "addcRRR.", [138] = "addeRRR.", |
|
|
[202] = "addzeRR.", [234] = "addmeRR.", [266] = "addRRR.", |
|
|
[522] = "addcoRRR.", [650] = "addeoRRR.", |
|
|
[714] = "addzeoRR.", [746] = "addmeoRR.", [778] = "addoRRR.", |
|
|
|
|
|
[11] = "mulhwuRRR.", [75] = "mulhwRRR.", [235] = "mullwRRR.", |
|
|
[459] = "divwuRRR.", [491] = "divwRRR.", |
|
|
[747] = "mullwoRRR.", |
|
|
[971] = "divwouRRR.", [1003] = "divwoRRR.", |
|
|
|
|
|
[15] = "iselltRRR", [47] = "iselgtRRR", [79] = "iseleqRRR", |
|
|
|
|
|
[144] = { shift = 20, mask = 1, [0] = "mtcrfRZ~", "mtocrfRZ~", }, |
|
|
[19] = { shift = 20, mask = 1, [0] = "mfcrR", "mfocrfRZ", }, |
|
|
[371] = { shift = 11, mask = 1023, [392] = "mftbR", [424] = "mftbuR", }, |
|
|
[339] = { |
|
|
shift = 11, mask = 1023, |
|
|
[32] = "mferR", [256] = "mflrR", [288] = "mfctrR", [16] = "mfspefscrR", |
|
|
}, |
|
|
[467] = { |
|
|
shift = 11, mask = 1023, |
|
|
[32] = "mtxerR", [256] = "mtlrR", [288] = "mtctrR", [16] = "mtspefscrR", |
|
|
}, |
|
|
|
|
|
[20] = "lwarxRR0R", [84] = "ldarxRR0R", |
|
|
|
|
|
[21] = "ldxRR0R", [53] = "lduxRRR", |
|
|
[149] = "stdxRR0R", [181] = "stduxRRR", |
|
|
[341] = "lwaxRR0R", [373] = "lwauxRRR", |
|
|
|
|
|
[23] = "lwzxRR0R", [55] = "lwzuxRRR", |
|
|
[87] = "lbzxRR0R", [119] = "lbzuxRRR", |
|
|
[151] = "stwxRR0R", [183] = "stwuxRRR", |
|
|
[215] = "stbxRR0R", [247] = "stbuxRRR", |
|
|
[279] = "lhzxRR0R", [311] = "lhzuxRRR", |
|
|
[343] = "lhaxRR0R", [375] = "lhauxRRR", |
|
|
[407] = "sthxRR0R", [439] = "sthuxRRR", |
|
|
|
|
|
[54] = "dcbst-R0R", [86] = "dcbf-R0R", |
|
|
[150] = "stwcxRR0R.", [214] = "stdcxRR0R.", |
|
|
[246] = "dcbtst-R0R", [278] = "dcbt-R0R", |
|
|
[310] = "eciwxRR0R", [438] = "ecowxRR0R", |
|
|
[470] = "dcbi-RR", |
|
|
|
|
|
[598] = { |
|
|
shift = 21, mask = 3, |
|
|
[0] = "sync", "lwsync", "ptesync", |
|
|
}, |
|
|
[758] = "dcba-RR", |
|
|
[854] = "eieio", [982] = "icbi-R0R", [1014] = "dcbz-R0R", |
|
|
|
|
|
[26] = "cntlzwRR~", [58] = "cntlzdRR~", |
|
|
[122] = "popcntbRR~", |
|
|
[154] = "prtywRR~", [186] = "prtydRR~", |
|
|
|
|
|
[28] = "andRR~R.", [60] = "andcRR~R.", [124] = "nor|notRR~R=.", |
|
|
[284] = "eqvRR~R.", [316] = "xorRR~R.", |
|
|
[412] = "orcRR~R.", [444] = "or|mrRR~R=.", [476] = "nandRR~R.", |
|
|
[508] = "cmpbRR~R", |
|
|
|
|
|
[512] = "mcrxrX", |
|
|
|
|
|
[532] = "ldbrxRR0R", [660] = "stdbrxRR0R", |
|
|
|
|
|
[533] = "lswxRR0R", [597] = "lswiRR0A", |
|
|
[661] = "stswxRR0R", [725] = "stswiRR0A", |
|
|
|
|
|
[534] = "lwbrxRR0R", [662] = "stwbrxRR0R", |
|
|
[790] = "lhbrxRR0R", [918] = "sthbrxRR0R", |
|
|
|
|
|
[535] = "lfsxFR0R", [567] = "lfsuxFRR", |
|
|
[599] = "lfdxFR0R", [631] = "lfduxFRR", |
|
|
[663] = "stfsxFR0R", [695] = "stfsuxFRR", |
|
|
[727] = "stfdxFR0R", [759] = "stfduxFR0R", |
|
|
[855] = "lfiwaxFR0R", |
|
|
[983] = "stfiwxFR0R", |
|
|
|
|
|
[24] = "slwRR~R.", |
|
|
|
|
|
[27] = "sldRR~R.", [536] = "srwRR~R.", |
|
|
[792] = "srawRR~R.", [824] = "srawiRR~A.", |
|
|
|
|
|
[794] = "sradRR~R.", [826] = "sradiRR~H.", [827] = "sradiRR~H.", |
|
|
[922] = "extshRR~.", [954] = "extsbRR~.", [986] = "extswRR~.", |
|
|
|
|
|
[539] = "srdRR~R.", |
|
|
}, |
|
|
{ __index = function(t, x) |
|
|
if band(x, 31) == 15 then return "iselRRRC" end |
|
|
end |
|
|
}) |
|
|
|
|
|
local map_ld = { |
|
|
shift = 0, mask = 3, |
|
|
[0] = "ldRRE", "lduRRE", "lwaRRE", |
|
|
} |
|
|
|
|
|
local map_std = { |
|
|
shift = 0, mask = 3, |
|
|
[0] = "stdRRE", "stduRRE", |
|
|
} |
|
|
|
|
|
local map_fps = { |
|
|
shift = 5, mask = 1, |
|
|
{ |
|
|
shift = 1, mask = 15, |
|
|
[0] = false, false, "fdivsFFF.", false, |
|
|
"fsubsFFF.", "faddsFFF.", "fsqrtsF-F.", false, |
|
|
"fresF-F.", "fmulsFF-F.", "frsqrtesF-F.", false, |
|
|
"fmsubsFFFF~.", "fmaddsFFFF~.", "fnmsubsFFFF~.", "fnmaddsFFFF~.", |
|
|
} |
|
|
} |
|
|
|
|
|
local map_fpd = { |
|
|
shift = 5, mask = 1, |
|
|
[0] = { |
|
|
shift = 1, mask = 1023, |
|
|
[0] = "fcmpuXFF", [32] = "fcmpoXFF", [64] = "mcrfsXX", |
|
|
[38] = "mtfsb1A.", [70] = "mtfsb0A.", [134] = "mtfsfiA>>-A>", |
|
|
[8] = "fcpsgnFFF.", [40] = "fnegF-F.", [72] = "fmrF-F.", |
|
|
[136] = "fnabsF-F.", [264] = "fabsF-F.", |
|
|
[12] = "frspF-F.", |
|
|
[14] = "fctiwF-F.", [15] = "fctiwzF-F.", |
|
|
[583] = "mffsF.", [711] = "mtfsfZF.", |
|
|
[392] = "frinF-F.", [424] = "frizF-F.", |
|
|
[456] = "fripF-F.", [488] = "frimF-F.", |
|
|
[814] = "fctidF-F.", [815] = "fctidzF-F.", [846] = "fcfidF-F.", |
|
|
}, |
|
|
{ |
|
|
shift = 1, mask = 15, |
|
|
[0] = false, false, "fdivFFF.", false, |
|
|
"fsubFFF.", "faddFFF.", "fsqrtF-F.", "fselFFFF~.", |
|
|
"freF-F.", "fmulFF-F.", "frsqrteF-F.", false, |
|
|
"fmsubFFFF~.", "fmaddFFFF~.", "fnmsubFFFF~.", "fnmaddFFFF~.", |
|
|
} |
|
|
} |
|
|
|
|
|
local map_spe = { |
|
|
shift = 0, mask = 2047, |
|
|
|
|
|
[512] = "evaddwRRR", [514] = "evaddiwRAR~", |
|
|
[516] = "evsubwRRR~", [518] = "evsubiwRAR~", |
|
|
[520] = "evabsRR", [521] = "evnegRR", |
|
|
[522] = "evextsbRR", [523] = "evextshRR", [524] = "evrndwRR", |
|
|
[525] = "evcntlzwRR", [526] = "evcntlswRR", |
|
|
|
|
|
[527] = "brincRRR", |
|
|
|
|
|
[529] = "evandRRR", [530] = "evandcRRR", [534] = "evxorRRR", |
|
|
[535] = "evor|evmrRRR=", [536] = "evnor|evnotRRR=", |
|
|
[537] = "eveqvRRR", [539] = "evorcRRR", [542] = "evnandRRR", |
|
|
|
|
|
[544] = "evsrwuRRR", [545] = "evsrwsRRR", |
|
|
[546] = "evsrwiuRRA", [547] = "evsrwisRRA", |
|
|
[548] = "evslwRRR", [550] = "evslwiRRA", |
|
|
[552] = "evrlwRRR", [553] = "evsplatiRS", |
|
|
[554] = "evrlwiRRA", [555] = "evsplatfiRS", |
|
|
[556] = "evmergehiRRR", [557] = "evmergeloRRR", |
|
|
[558] = "evmergehiloRRR", [559] = "evmergelohiRRR", |
|
|
|
|
|
[560] = "evcmpgtuYRR", [561] = "evcmpgtsYRR", |
|
|
[562] = "evcmpltuYRR", [563] = "evcmpltsYRR", |
|
|
[564] = "evcmpeqYRR", |
|
|
|
|
|
[632] = "evselRRR", [633] = "evselRRRW", |
|
|
[634] = "evselRRRW", [635] = "evselRRRW", |
|
|
[636] = "evselRRRW", [637] = "evselRRRW", |
|
|
[638] = "evselRRRW", [639] = "evselRRRW", |
|
|
|
|
|
[640] = "evfsaddRRR", [641] = "evfssubRRR", |
|
|
[644] = "evfsabsRR", [645] = "evfsnabsRR", [646] = "evfsnegRR", |
|
|
[648] = "evfsmulRRR", [649] = "evfsdivRRR", |
|
|
[652] = "evfscmpgtYRR", [653] = "evfscmpltYRR", [654] = "evfscmpeqYRR", |
|
|
[656] = "evfscfuiR-R", [657] = "evfscfsiR-R", |
|
|
[658] = "evfscfufR-R", [659] = "evfscfsfR-R", |
|
|
[660] = "evfsctuiR-R", [661] = "evfsctsiR-R", |
|
|
[662] = "evfsctufR-R", [663] = "evfsctsfR-R", |
|
|
[664] = "evfsctuizR-R", [666] = "evfsctsizR-R", |
|
|
[668] = "evfststgtYRR", [669] = "evfststltYRR", [670] = "evfststeqYRR", |
|
|
|
|
|
[704] = "efsaddRRR", [705] = "efssubRRR", |
|
|
[708] = "efsabsRR", [709] = "efsnabsRR", [710] = "efsnegRR", |
|
|
[712] = "efsmulRRR", [713] = "efsdivRRR", |
|
|
[716] = "efscmpgtYRR", [717] = "efscmpltYRR", [718] = "efscmpeqYRR", |
|
|
[719] = "efscfdR-R", |
|
|
[720] = "efscfuiR-R", [721] = "efscfsiR-R", |
|
|
[722] = "efscfufR-R", [723] = "efscfsfR-R", |
|
|
[724] = "efsctuiR-R", [725] = "efsctsiR-R", |
|
|
[726] = "efsctufR-R", [727] = "efsctsfR-R", |
|
|
[728] = "efsctuizR-R", [730] = "efsctsizR-R", |
|
|
[732] = "efststgtYRR", [733] = "efststltYRR", [734] = "efststeqYRR", |
|
|
|
|
|
[736] = "efdaddRRR", [737] = "efdsubRRR", |
|
|
[738] = "efdcfuidR-R", [739] = "efdcfsidR-R", |
|
|
[740] = "efdabsRR", [741] = "efdnabsRR", [742] = "efdnegRR", |
|
|
[744] = "efdmulRRR", [745] = "efddivRRR", |
|
|
[746] = "efdctuidzR-R", [747] = "efdctsidzR-R", |
|
|
[748] = "efdcmpgtYRR", [749] = "efdcmpltYRR", [750] = "efdcmpeqYRR", |
|
|
[751] = "efdcfsR-R", |
|
|
[752] = "efdcfuiR-R", [753] = "efdcfsiR-R", |
|
|
[754] = "efdcfufR-R", [755] = "efdcfsfR-R", |
|
|
[756] = "efdctuiR-R", [757] = "efdctsiR-R", |
|
|
[758] = "efdctufR-R", [759] = "efdctsfR-R", |
|
|
[760] = "efdctuizR-R", [762] = "efdctsizR-R", |
|
|
[764] = "efdtstgtYRR", [765] = "efdtstltYRR", [766] = "efdtsteqYRR", |
|
|
|
|
|
[768] = "evlddxRR0R", [769] = "evlddRR8", |
|
|
[770] = "evldwxRR0R", [771] = "evldwRR8", |
|
|
[772] = "evldhxRR0R", [773] = "evldhRR8", |
|
|
[776] = "evlhhesplatxRR0R", [777] = "evlhhesplatRR2", |
|
|
[780] = "evlhhousplatxRR0R", [781] = "evlhhousplatRR2", |
|
|
[782] = "evlhhossplatxRR0R", [783] = "evlhhossplatRR2", |
|
|
[784] = "evlwhexRR0R", [785] = "evlwheRR4", |
|
|
[788] = "evlwhouxRR0R", [789] = "evlwhouRR4", |
|
|
[790] = "evlwhosxRR0R", [791] = "evlwhosRR4", |
|
|
[792] = "evlwwsplatxRR0R", [793] = "evlwwsplatRR4", |
|
|
[796] = "evlwhsplatxRR0R", [797] = "evlwhsplatRR4", |
|
|
|
|
|
[800] = "evstddxRR0R", [801] = "evstddRR8", |
|
|
[802] = "evstdwxRR0R", [803] = "evstdwRR8", |
|
|
[804] = "evstdhxRR0R", [805] = "evstdhRR8", |
|
|
[816] = "evstwhexRR0R", [817] = "evstwheRR4", |
|
|
[820] = "evstwhoxRR0R", [821] = "evstwhoRR4", |
|
|
[824] = "evstwwexRR0R", [825] = "evstwweRR4", |
|
|
[828] = "evstwwoxRR0R", [829] = "evstwwoRR4", |
|
|
|
|
|
[1027] = "evmhessfRRR", [1031] = "evmhossfRRR", [1032] = "evmheumiRRR", |
|
|
[1033] = "evmhesmiRRR", [1035] = "evmhesmfRRR", [1036] = "evmhoumiRRR", |
|
|
[1037] = "evmhosmiRRR", [1039] = "evmhosmfRRR", [1059] = "evmhessfaRRR", |
|
|
[1063] = "evmhossfaRRR", [1064] = "evmheumiaRRR", [1065] = "evmhesmiaRRR", |
|
|
[1067] = "evmhesmfaRRR", [1068] = "evmhoumiaRRR", [1069] = "evmhosmiaRRR", |
|
|
[1071] = "evmhosmfaRRR", [1095] = "evmwhssfRRR", [1096] = "evmwlumiRRR", |
|
|
[1100] = "evmwhumiRRR", [1101] = "evmwhsmiRRR", [1103] = "evmwhsmfRRR", |
|
|
[1107] = "evmwssfRRR", [1112] = "evmwumiRRR", [1113] = "evmwsmiRRR", |
|
|
[1115] = "evmwsmfRRR", [1127] = "evmwhssfaRRR", [1128] = "evmwlumiaRRR", |
|
|
[1132] = "evmwhumiaRRR", [1133] = "evmwhsmiaRRR", [1135] = "evmwhsmfaRRR", |
|
|
[1139] = "evmwssfaRRR", [1144] = "evmwumiaRRR", [1145] = "evmwsmiaRRR", |
|
|
[1147] = "evmwsmfaRRR", |
|
|
|
|
|
[1216] = "evaddusiaawRR", [1217] = "evaddssiaawRR", |
|
|
[1218] = "evsubfusiaawRR", [1219] = "evsubfssiaawRR", |
|
|
[1220] = "evmraRR", |
|
|
[1222] = "evdivwsRRR", [1223] = "evdivwuRRR", |
|
|
[1224] = "evaddumiaawRR", [1225] = "evaddsmiaawRR", |
|
|
[1226] = "evsubfumiaawRR", [1227] = "evsubfsmiaawRR", |
|
|
|
|
|
[1280] = "evmheusiaawRRR", [1281] = "evmhessiaawRRR", |
|
|
[1283] = "evmhessfaawRRR", [1284] = "evmhousiaawRRR", |
|
|
[1285] = "evmhossiaawRRR", [1287] = "evmhossfaawRRR", |
|
|
[1288] = "evmheumiaawRRR", [1289] = "evmhesmiaawRRR", |
|
|
[1291] = "evmhesmfaawRRR", [1292] = "evmhoumiaawRRR", |
|
|
[1293] = "evmhosmiaawRRR", [1295] = "evmhosmfaawRRR", |
|
|
[1320] = "evmhegumiaaRRR", [1321] = "evmhegsmiaaRRR", |
|
|
[1323] = "evmhegsmfaaRRR", [1324] = "evmhogumiaaRRR", |
|
|
[1325] = "evmhogsmiaaRRR", [1327] = "evmhogsmfaaRRR", |
|
|
[1344] = "evmwlusiaawRRR", [1345] = "evmwlssiaawRRR", |
|
|
[1352] = "evmwlumiaawRRR", [1353] = "evmwlsmiaawRRR", |
|
|
[1363] = "evmwssfaaRRR", [1368] = "evmwumiaaRRR", |
|
|
[1369] = "evmwsmiaaRRR", [1371] = "evmwsmfaaRRR", |
|
|
[1408] = "evmheusianwRRR", [1409] = "evmhessianwRRR", |
|
|
[1411] = "evmhessfanwRRR", [1412] = "evmhousianwRRR", |
|
|
[1413] = "evmhossianwRRR", [1415] = "evmhossfanwRRR", |
|
|
[1416] = "evmheumianwRRR", [1417] = "evmhesmianwRRR", |
|
|
[1419] = "evmhesmfanwRRR", [1420] = "evmhoumianwRRR", |
|
|
[1421] = "evmhosmianwRRR", [1423] = "evmhosmfanwRRR", |
|
|
[1448] = "evmhegumianRRR", [1449] = "evmhegsmianRRR", |
|
|
[1451] = "evmhegsmfanRRR", [1452] = "evmhogumianRRR", |
|
|
[1453] = "evmhogsmianRRR", [1455] = "evmhogsmfanRRR", |
|
|
[1472] = "evmwlusianwRRR", [1473] = "evmwlssianwRRR", |
|
|
[1480] = "evmwlumianwRRR", [1481] = "evmwlsmianwRRR", |
|
|
[1491] = "evmwssfanRRR", [1496] = "evmwumianRRR", |
|
|
[1497] = "evmwsmianRRR", [1499] = "evmwsmfanRRR", |
|
|
} |
|
|
|
|
|
local map_pri = { |
|
|
[0] = false, false, "tdiARI", "twiARI", |
|
|
map_spe, false, false, "mulliRRI", |
|
|
"subficRRI", false, "cmpl_iYLRU", "cmp_iYLRI", |
|
|
"addicRRI", "addic.RRI", "addi|liRR0I", "addis|lisRR0I", |
|
|
"b_KBJ", "sc", "bKJ", map_crops, |
|
|
"rlwimiRR~AAA.", map_rlwinm, false, "rlwnmRR~RAA.", |
|
|
"oriNRR~U", "orisRR~U", "xoriRR~U", "xorisRR~U", |
|
|
"andi.RR~U", "andis.RR~U", map_rld, map_ext, |
|
|
"lwzRRD", "lwzuRRD", "lbzRRD", "lbzuRRD", |
|
|
"stwRRD", "stwuRRD", "stbRRD", "stbuRRD", |
|
|
"lhzRRD", "lhzuRRD", "lhaRRD", "lhauRRD", |
|
|
"sthRRD", "sthuRRD", "lmwRRD", "stmwRRD", |
|
|
"lfsFRD", "lfsuFRD", "lfdFRD", "lfduFRD", |
|
|
"stfsFRD", "stfsuFRD", "stfdFRD", "stfduFRD", |
|
|
false, false, map_ld, map_fps, |
|
|
false, false, map_std, map_fpd, |
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
local map_gpr = { |
|
|
[0] = "r0", "sp", "r2", "r3", "r4", "r5", "r6", "r7", |
|
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", |
|
|
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", |
|
|
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", |
|
|
} |
|
|
|
|
|
local map_cond = { [0] = "lt", "gt", "eq", "so", "ge", "le", "ne", "ns", } |
|
|
|
|
|
|
|
|
local function condfmt(cond) |
|
|
if cond <= 3 then |
|
|
return map_cond[band(cond, 3)] |
|
|
else |
|
|
return format("4*cr%d+%s", rshift(cond, 2), map_cond[band(cond, 3)]) |
|
|
end |
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
local function putop(ctx, text, operands) |
|
|
local pos = ctx.pos |
|
|
local extra = "" |
|
|
if ctx.rel then |
|
|
local sym = ctx.symtab[ctx.rel] |
|
|
if sym then extra = "\t->"..sym end |
|
|
end |
|
|
if ctx.hexdump > 0 then |
|
|
ctx.out(format("%08x %s %-7s %s%s\n", |
|
|
ctx.addr+pos, tohex(ctx.op), text, concat(operands, ", "), extra)) |
|
|
else |
|
|
ctx.out(format("%08x %-7s %s%s\n", |
|
|
ctx.addr+pos, text, concat(operands, ", "), extra)) |
|
|
end |
|
|
ctx.pos = pos + 4 |
|
|
end |
|
|
|
|
|
|
|
|
local function unknown(ctx) |
|
|
return putop(ctx, ".long", { "0x"..tohex(ctx.op) }) |
|
|
end |
|
|
|
|
|
|
|
|
local function disass_ins(ctx) |
|
|
local pos = ctx.pos |
|
|
local b0, b1, b2, b3 = byte(ctx.code, pos+1, pos+4) |
|
|
local op = bor(lshift(b0, 24), lshift(b1, 16), lshift(b2, 8), b3) |
|
|
local operands = {} |
|
|
local last = nil |
|
|
local rs = 21 |
|
|
ctx.op = op |
|
|
ctx.rel = nil |
|
|
|
|
|
local opat = map_pri[rshift(b0, 2)] |
|
|
while type(opat) ~= "string" do |
|
|
if not opat then return unknown(ctx) end |
|
|
opat = opat[band(rshift(op, opat.shift), opat.mask)] |
|
|
end |
|
|
local name, pat = match(opat, "^([a-z0-9_.]*)(.*)") |
|
|
local altname, pat2 = match(pat, "|([a-z0-9_.]*)(.*)") |
|
|
if altname then pat = pat2 end |
|
|
|
|
|
for p in gmatch(pat, ".") do |
|
|
local x = nil |
|
|
if p == "R" then |
|
|
x = map_gpr[band(rshift(op, rs), 31)] |
|
|
rs = rs - 5 |
|
|
elseif p == "F" then |
|
|
x = "f"..band(rshift(op, rs), 31) |
|
|
rs = rs - 5 |
|
|
elseif p == "A" then |
|
|
x = band(rshift(op, rs), 31) |
|
|
rs = rs - 5 |
|
|
elseif p == "S" then |
|
|
x = arshift(lshift(op, 27-rs), 27) |
|
|
rs = rs - 5 |
|
|
elseif p == "I" then |
|
|
x = arshift(lshift(op, 16), 16) |
|
|
elseif p == "U" then |
|
|
x = band(op, 0xffff) |
|
|
elseif p == "D" or p == "E" then |
|
|
local disp = arshift(lshift(op, 16), 16) |
|
|
if p == "E" then disp = band(disp, -4) end |
|
|
if last == "r0" then last = "0" end |
|
|
operands[#operands] = format("%d(%s)", disp, last) |
|
|
elseif p >= "2" and p <= "8" then |
|
|
local disp = band(rshift(op, rs), 31) * p |
|
|
if last == "r0" then last = "0" end |
|
|
operands[#operands] = format("%d(%s)", disp, last) |
|
|
elseif p == "H" then |
|
|
x = band(rshift(op, rs), 31) + lshift(band(op, 2), 4) |
|
|
rs = rs - 5 |
|
|
elseif p == "M" then |
|
|
x = band(rshift(op, rs), 31) + band(op, 0x20) |
|
|
elseif p == "C" then |
|
|
x = condfmt(band(rshift(op, rs), 31)) |
|
|
rs = rs - 5 |
|
|
elseif p == "B" then |
|
|
local bo = rshift(op, 21) |
|
|
local cond = band(rshift(op, 16), 31) |
|
|
local cn = "" |
|
|
rs = rs - 10 |
|
|
if band(bo, 4) == 0 then |
|
|
cn = band(bo, 2) == 0 and "dnz" or "dz" |
|
|
if band(bo, 0x10) == 0 then |
|
|
cn = cn..(band(bo, 8) == 0 and "f" or "t") |
|
|
end |
|
|
if band(bo, 0x10) == 0 then x = condfmt(cond) end |
|
|
name = name..(band(bo, 1) == band(rshift(op, 15), 1) and "-" or "+") |
|
|
elseif band(bo, 0x10) == 0 then |
|
|
cn = map_cond[band(cond, 3) + (band(bo, 8) == 0 and 4 or 0)] |
|
|
if cond > 3 then x = "cr"..rshift(cond, 2) end |
|
|
name = name..(band(bo, 1) == band(rshift(op, 15), 1) and "-" or "+") |
|
|
end |
|
|
name = gsub(name, "_", cn) |
|
|
elseif p == "J" then |
|
|
x = arshift(lshift(op, 27-rs), 29-rs)*4 |
|
|
if band(op, 2) == 0 then x = ctx.addr + pos + x end |
|
|
ctx.rel = x |
|
|
x = "0x"..tohex(x) |
|
|
elseif p == "K" then |
|
|
if band(op, 1) ~= 0 then name = name.."l" end |
|
|
if band(op, 2) ~= 0 then name = name.."a" end |
|
|
elseif p == "X" or p == "Y" then |
|
|
x = band(rshift(op, rs+2), 7) |
|
|
if x == 0 and p == "Y" then x = nil else x = "cr"..x end |
|
|
rs = rs - 5 |
|
|
elseif p == "W" then |
|
|
x = "cr"..band(op, 7) |
|
|
elseif p == "Z" then |
|
|
x = band(rshift(op, rs-4), 255) |
|
|
rs = rs - 10 |
|
|
elseif p == ">" then |
|
|
operands[#operands] = rshift(operands[#operands], 1) |
|
|
elseif p == "0" then |
|
|
if last == "r0" then |
|
|
operands[#operands] = nil |
|
|
if altname then name = altname end |
|
|
end |
|
|
elseif p == "L" then |
|
|
name = gsub(name, "_", band(op, 0x00200000) ~= 0 and "d" or "w") |
|
|
elseif p == "." then |
|
|
if band(op, 1) == 1 then name = name.."." end |
|
|
elseif p == "N" then |
|
|
if op == 0x60000000 then name = "nop"; break end |
|
|
elseif p == "~" then |
|
|
local n = #operands |
|
|
operands[n-1], operands[n] = operands[n], operands[n-1] |
|
|
elseif p == "=" then |
|
|
local n = #operands |
|
|
if last == operands[n-1] then |
|
|
operands[n] = nil |
|
|
name = altname |
|
|
end |
|
|
elseif p == "%" then |
|
|
local n = #operands |
|
|
if last == operands[n-1] and last == operands[n-2] then |
|
|
operands[n] = nil |
|
|
operands[n-1] = nil |
|
|
name = altname |
|
|
end |
|
|
elseif p == "-" then |
|
|
rs = rs - 5 |
|
|
else |
|
|
assert(false) |
|
|
end |
|
|
if x then operands[#operands+1] = x; last = x end |
|
|
end |
|
|
|
|
|
return putop(ctx, name, operands) |
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
local function disass_block(ctx, ofs, len) |
|
|
if not ofs then ofs = 0 end |
|
|
local stop = len and ofs+len or #ctx.code |
|
|
stop = stop - stop % 4 |
|
|
ctx.pos = ofs - ofs % 4 |
|
|
ctx.rel = nil |
|
|
while ctx.pos < stop do disass_ins(ctx) end |
|
|
end |
|
|
|
|
|
|
|
|
local function create(code, addr, out) |
|
|
local ctx = {} |
|
|
ctx.code = code |
|
|
ctx.addr = addr or 0 |
|
|
ctx.out = out or io.write |
|
|
ctx.symtab = {} |
|
|
ctx.disass = disass_block |
|
|
ctx.hexdump = 8 |
|
|
return ctx |
|
|
end |
|
|
|
|
|
|
|
|
local function disass(code, addr, out) |
|
|
create(code, addr, out):disass() |
|
|
end |
|
|
|
|
|
|
|
|
local function regname(r) |
|
|
if r < 32 then return map_gpr[r] end |
|
|
return "f"..(r-32) |
|
|
end |
|
|
|
|
|
|
|
|
return { |
|
|
create = create, |
|
|
disass = disass, |
|
|
regname = regname |
|
|
} |
|
|
|
|
|
|
