diff options
Diffstat (limited to 'third_party/dynasm/dasm_ppc.lua')
| -rw-r--r-- | third_party/dynasm/dasm_ppc.lua | 1230 |
1 files changed, 1230 insertions, 0 deletions
diff --git a/third_party/dynasm/dasm_ppc.lua b/third_party/dynasm/dasm_ppc.lua new file mode 100644 index 0000000..dc2af69 --- /dev/null +++ b/third_party/dynasm/dasm_ppc.lua @@ -0,0 +1,1230 @@ +------------------------------------------------------------------------------ +-- DynASM PPC module. +-- +-- Copyright (C) 2005-2012 Mike Pall. All rights reserved. +-- See dynasm.lua for full copyright notice. +------------------------------------------------------------------------------ + +-- Module information: +local _info = { + arch = "ppc", + description = "DynASM PPC module", + version = "1.3.0", + vernum = 10300, + release = "2011-05-05", + author = "Mike Pall", + license = "MIT", +} + +-- Exported glue functions for the arch-specific module. +local _M = { _info = _info } + +-- Cache library functions. +local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs +local assert, setmetatable = assert, setmetatable +local _s = string +local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char +local match, gmatch = _s.match, _s.gmatch +local concat, sort = table.concat, table.sort + +-- Inherited tables and callbacks. +local g_opt, g_arch +local wline, werror, wfatal, wwarn + +-- Action name list. +-- CHECK: Keep this in sync with the C code! +local action_names = { + "STOP", "SECTION", "ESC", "REL_EXT", + "ALIGN", "REL_LG", "LABEL_LG", + "REL_PC", "LABEL_PC", "IMM", +} + +-- Maximum number of section buffer positions for dasm_put(). +-- CHECK: Keep this in sync with the C code! +local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. + +-- Action name -> action number. +local map_action = {} +for n,name in ipairs(action_names) do + map_action[name] = n-1 +end + +-- Action list buffer. +local actlist = {} + +-- Argument list for next dasm_put(). Start with offset 0 into action list. +local actargs = { 0 } + +-- Current number of section buffer positions for dasm_put(). +local secpos = 1 + +------------------------------------------------------------------------------ + +-- Return 8 digit hex number. +local function tohex(x) + return sub(format("%08x", x), -8) -- Avoid 64 bit portability problem in Lua. +end + +-- Dump action names and numbers. +local function dumpactions(out) + out:write("DynASM encoding engine action codes:\n") + for n,name in ipairs(action_names) do + local num = map_action[name] + out:write(format(" %-10s %02X %d\n", name, num, num)) + end + out:write("\n") +end + +-- Write action list buffer as a huge static C array. +local function writeactions(out, name) + local nn = #actlist + if nn == 0 then nn = 1; actlist[0] = map_action.STOP end + out:write("static const unsigned int ", name, "[", nn, "] = {\n") + for i = 1,nn-1 do + assert(out:write("0x", tohex(actlist[i]), ",\n")) + end + assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) +end + +------------------------------------------------------------------------------ + +-- Add word to action list. +local function wputxw(n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[#actlist+1] = n +end + +-- Add action to list with optional arg. Advance buffer pos, too. +local function waction(action, val, a, num) + local w = assert(map_action[action], "bad action name `"..action.."'") + wputxw(w * 0x10000 + (val or 0)) + if a then actargs[#actargs+1] = a end + if a or num then secpos = secpos + (num or 1) end +end + +-- Flush action list (intervening C code or buffer pos overflow). +local function wflush(term) + if #actlist == actargs[1] then return end -- Nothing to flush. + if not term then waction("STOP") end -- Terminate action list. + wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) + actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). + secpos = 1 -- The actionlist offset occupies a buffer position, too. +end + +-- Put escaped word. +local function wputw(n) + if n <= 0xffffff then waction("ESC") end + wputxw(n) +end + +-- Reserve position for word. +local function wpos() + local pos = #actlist+1 + actlist[pos] = "" + return pos +end + +-- Store word to reserved position. +local function wputpos(pos, n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[pos] = n +end + +------------------------------------------------------------------------------ + +-- Global label name -> global label number. With auto assignment on 1st use. +local next_global = 20 +local map_global = setmetatable({}, { __index = function(t, name) + if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end + local n = next_global + if n > 2047 then werror("too many global labels") end + next_global = n + 1 + t[name] = n + return n +end}) + +-- Dump global labels. +local function dumpglobals(out, lvl) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("Global labels:\n") + for i=20,next_global-1 do + out:write(format(" %s\n", t[i])) + end + out:write("\n") +end + +-- Write global label enum. +local function writeglobals(out, prefix) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("enum {\n") + for i=20,next_global-1 do + out:write(" ", prefix, t[i], ",\n") + end + out:write(" ", prefix, "_MAX\n};\n") +end + +-- Write global label names. +local function writeglobalnames(out, name) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("static const char *const ", name, "[] = {\n") + for i=20,next_global-1 do + out:write(" \"", t[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Extern label name -> extern label number. With auto assignment on 1st use. +local next_extern = 0 +local map_extern_ = {} +local map_extern = setmetatable({}, { __index = function(t, name) + -- No restrictions on the name for now. + local n = next_extern + if n > 2047 then werror("too many extern labels") end + next_extern = n + 1 + t[name] = n + map_extern_[n] = name + return n +end}) + +-- Dump extern labels. +local function dumpexterns(out, lvl) + out:write("Extern labels:\n") + for i=0,next_extern-1 do + out:write(format(" %s\n", map_extern_[i])) + end + out:write("\n") +end + +-- Write extern label names. +local function writeexternnames(out, name) + out:write("static const char *const ", name, "[] = {\n") + for i=0,next_extern-1 do + out:write(" \"", map_extern_[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Arch-specific maps. +local map_archdef = { sp = "r1" } -- Ext. register name -> int. name. + +local map_type = {} -- Type name -> { ctype, reg } +local ctypenum = 0 -- Type number (for Dt... macros). + +-- Reverse defines for registers. +function _M.revdef(s) + if s == "r1" then return "sp" end + return s +end + +local map_cond = { + lt = 0, gt = 1, eq = 2, so = 3, + ge = 4, le = 5, ne = 6, ns = 7, +} + +------------------------------------------------------------------------------ + +-- Template strings for PPC instructions. +local map_op = { + tdi_3 = "08000000ARI", + twi_3 = "0c000000ARI", + mulli_3 = "1c000000RRI", + subfic_3 = "20000000RRI", + cmplwi_3 = "28000000XRU", + cmplwi_2 = "28000000-RU", + cmpldi_3 = "28200000XRU", + cmpldi_2 = "28200000-RU", + cmpwi_3 = "2c000000XRI", + cmpwi_2 = "2c000000-RI", + cmpdi_3 = "2c200000XRI", + cmpdi_2 = "2c200000-RI", + addic_3 = "30000000RRI", + ["addic._3"] = "34000000RRI", + addi_3 = "38000000RR0I", + li_2 = "38000000RI", + la_2 = "38000000RD", + addis_3 = "3c000000RR0I", + lis_2 = "3c000000RI", + lus_2 = "3c000000RU", + bc_3 = "40000000AAK", + bcl_3 = "40000001AAK", + bdnz_1 = "42000000K", + bdz_1 = "42400000K", + sc_0 = "44000000", + b_1 = "48000000J", + bl_1 = "48000001J", + rlwimi_5 = "50000000RR~AAA.", + rlwinm_5 = "54000000RR~AAA.", + rlwnm_5 = "5c000000RR~RAA.", + ori_3 = "60000000RR~U", + nop_0 = "60000000", + oris_3 = "64000000RR~U", + xori_3 = "68000000RR~U", + xoris_3 = "6c000000RR~U", + ["andi._3"] = "70000000RR~U", + ["andis._3"] = "74000000RR~U", + lwz_2 = "80000000RD", + lwzu_2 = "84000000RD", + lbz_2 = "88000000RD", + lbzu_2 = "8c000000RD", + stw_2 = "90000000RD", + stwu_2 = "94000000RD", + stb_2 = "98000000RD", + stbu_2 = "9c000000RD", + lhz_2 = "a0000000RD", + lhzu_2 = "a4000000RD", + lha_2 = "a8000000RD", + lhau_2 = "ac000000RD", + sth_2 = "b0000000RD", + sthu_2 = "b4000000RD", + lmw_2 = "b8000000RD", + stmw_2 = "bc000000RD", + lfs_2 = "c0000000FD", + lfsu_2 = "c4000000FD", + lfd_2 = "c8000000FD", + lfdu_2 = "cc000000FD", + stfs_2 = "d0000000FD", + stfsu_2 = "d4000000FD", + stfd_2 = "d8000000FD", + stfdu_2 = "dc000000FD", + ld_2 = "e8000000RD", -- NYI: displacement must be divisible by 4. + ldu_2 = "e8000001RD", + lwa_2 = "e8000002RD", + std_2 = "f8000000RD", + stdu_2 = "f8000001RD", + + -- Primary opcode 19: + mcrf_2 = "4c000000XX", + isync_0 = "4c00012c", + crnor_3 = "4c000042CCC", + crnot_2 = "4c000042CC=", + crandc_3 = "4c000102CCC", + crxor_3 = "4c000182CCC", + crclr_1 = "4c000182C==", + crnand_3 = "4c0001c2CCC", + crand_3 = "4c000202CCC", + creqv_3 = "4c000242CCC", + crset_1 = "4c000242C==", + crorc_3 = "4c000342CCC", + cror_3 = "4c000382CCC", + crmove_2 = "4c000382CC=", + bclr_2 = "4c000020AA", + bclrl_2 = "4c000021AA", + bcctr_2 = "4c000420AA", + bcctrl_2 = "4c000421AA", + blr_0 = "4e800020", + blrl_0 = "4e800021", + bctr_0 = "4e800420", + bctrl_0 = "4e800421", + + -- Primary opcode 31: + cmpw_3 = "7c000000XRR", + cmpw_2 = "7c000000-RR", + cmpd_3 = "7c200000XRR", + cmpd_2 = "7c200000-RR", + tw_3 = "7c000008ARR", + subfc_3 = "7c000010RRR.", + subc_3 = "7c000010RRR~.", + mulhdu_3 = "7c000012RRR.", + addc_3 = "7c000014RRR.", + mulhwu_3 = "7c000016RRR.", + isel_4 = "7c00001eRRRC", + isellt_3 = "7c00001eRRR", + iselgt_3 = "7c00005eRRR", + iseleq_3 = "7c00009eRRR", + mfcr_1 = "7c000026R", + mtcrf_2 = "7c000120GR", + -- NYI: mtocrf, mfocrf + lwarx_3 = "7c000028RR0R", + ldx_3 = "7c00002aRR0R", + lwzx_3 = "7c00002eRR0R", + slw_3 = "7c000030RR~R.", + cntlzw_2 = "7c000034RR~", + sld_3 = "7c000036RR~R.", + and_3 = "7c000038RR~R.", + cmplw_3 = "7c000040XRR", + cmplw_2 = "7c000040-RR", + cmpld_3 = "7c200040XRR", + cmpld_2 = "7c200040-RR", + subf_3 = "7c000050RRR.", + sub_3 = "7c000050RRR~.", + ldux_3 = "7c00006aRR0R", + dcbst_2 = "7c00006c-RR", + lwzux_3 = "7c00006eRR0R", + cntlzd_2 = "7c000074RR~", + andc_3 = "7c000078RR~R.", + td_3 = "7c000088ARR", + mulhd_3 = "7c000092RRR.", + mulhw_3 = "7c000096RRR.", + ldarx_3 = "7c0000a8RR0R", + dcbf_2 = "7c0000ac-RR", + lbzx_3 = "7c0000aeRR0R", + neg_2 = "7c0000d0RR.", + lbzux_3 = "7c0000eeRR0R", + popcntb_2 = "7c0000f4RR~", + not_2 = "7c0000f8RR~%.", + nor_3 = "7c0000f8RR~R.", + subfe_3 = "7c000110RRR.", + sube_3 = "7c000110RRR~.", + adde_3 = "7c000114RRR.", + stdx_3 = "7c00012aRR0R", + stwcx_3 = "7c00012cRR0R.", + stwx_3 = "7c00012eRR0R", + prtyw_2 = "7c000134RR~", + stdux_3 = "7c00016aRR0R", + stwux_3 = "7c00016eRR0R", + prtyd_2 = "7c000174RR~", + subfze_2 = "7c000190RR.", + addze_2 = "7c000194RR.", + stdcx_3 = "7c0001acRR0R.", + stbx_3 = "7c0001aeRR0R", + subfme_2 = "7c0001d0RR.", + mulld_3 = "7c0001d2RRR.", + addme_2 = "7c0001d4RR.", + mullw_3 = "7c0001d6RRR.", + dcbtst_2 = "7c0001ec-RR", + stbux_3 = "7c0001eeRR0R", + add_3 = "7c000214RRR.", + dcbt_2 = "7c00022c-RR", + lhzx_3 = "7c00022eRR0R", + eqv_3 = "7c000238RR~R.", + eciwx_3 = "7c00026cRR0R", + lhzux_3 = "7c00026eRR0R", + xor_3 = "7c000278RR~R.", + mfspefscr_1 = "7c0082a6R", + mfxer_1 = "7c0102a6R", + mflr_1 = "7c0802a6R", + mfctr_1 = "7c0902a6R", + lwax_3 = "7c0002aaRR0R", + lhax_3 = "7c0002aeRR0R", + mftb_1 = "7c0c42e6R", + mftbu_1 = "7c0d42e6R", + lwaux_3 = "7c0002eaRR0R", + lhaux_3 = "7c0002eeRR0R", + sthx_3 = "7c00032eRR0R", + orc_3 = "7c000338RR~R.", + ecowx_3 = "7c00036cRR0R", + sthux_3 = "7c00036eRR0R", + or_3 = "7c000378RR~R.", + mr_2 = "7c000378RR~%.", + divdu_3 = "7c000392RRR.", + divwu_3 = "7c000396RRR.", + mtspefscr_1 = "7c0083a6R", + mtxer_1 = "7c0103a6R", + mtlr_1 = "7c0803a6R", + mtctr_1 = "7c0903a6R", + dcbi_2 = "7c0003ac-RR", + nand_3 = "7c0003b8RR~R.", + divd_3 = "7c0003d2RRR.", + divw_3 = "7c0003d6RRR.", + cmpb_3 = "7c0003f8RR~R.", + mcrxr_1 = "7c000400X", + subfco_3 = "7c000410RRR.", + subco_3 = "7c000410RRR~.", + addco_3 = "7c000414RRR.", + ldbrx_3 = "7c000428RR0R", + lswx_3 = "7c00042aRR0R", + lwbrx_3 = "7c00042cRR0R", + lfsx_3 = "7c00042eFR0R", + srw_3 = "7c000430RR~R.", + srd_3 = "7c000436RR~R.", + subfo_3 = "7c000450RRR.", + subo_3 = "7c000450RRR~.", + lfsux_3 = "7c00046eFR0R", + lswi_3 = "7c0004aaRR0A", + sync_0 = "7c0004ac", + lwsync_0 = "7c2004ac", + ptesync_0 = "7c4004ac", + lfdx_3 = "7c0004aeFR0R", + nego_2 = "7c0004d0RR.", + lfdux_3 = "7c0004eeFR0R", + subfeo_3 = "7c000510RRR.", + subeo_3 = "7c000510RRR~.", + addeo_3 = "7c000514RRR.", + stdbrx_3 = "7c000528RR0R", + stswx_3 = "7c00052aRR0R", + stwbrx_3 = "7c00052cRR0R", + stfsx_3 = "7c00052eFR0R", + stfsux_3 = "7c00056eFR0R", + subfzeo_2 = "7c000590RR.", + addzeo_2 = "7c000594RR.", + stswi_3 = "7c0005aaRR0A", + stfdx_3 = "7c0005aeFR0R", + subfmeo_2 = "7c0005d0RR.", + mulldo_3 = "7c0005d2RRR.", + addmeo_2 = "7c0005d4RR.", + mullwo_3 = "7c0005d6RRR.", + dcba_2 = "7c0005ec-RR", + stfdux_3 = "7c0005eeFR0R", + addo_3 = "7c000614RRR.", + lhbrx_3 = "7c00062cRR0R", + sraw_3 = "7c000630RR~R.", + srad_3 = "7c000634RR~R.", + srawi_3 = "7c000670RR~A.", + eieio_0 = "7c0006ac", + lfiwax_3 = "7c0006aeFR0R", + sthbrx_3 = "7c00072cRR0R", + extsh_2 = "7c000734RR~.", + extsb_2 = "7c000774RR~.", + divduo_3 = "7c000792RRR.", + divwou_3 = "7c000796RRR.", + icbi_2 = "7c0007ac-RR", + stfiwx_3 = "7c0007aeFR0R", + extsw_2 = "7c0007b4RR~.", + divdo_3 = "7c0007d2RRR.", + divwo_3 = "7c0007d6RRR.", + dcbz_2 = "7c0007ec-RR", + + -- Primary opcode 59: + fdivs_3 = "ec000024FFF.", + fsubs_3 = "ec000028FFF.", + fadds_3 = "ec00002aFFF.", + fsqrts_2 = "ec00002cF-F.", + fres_2 = "ec000030F-F.", + fmuls_3 = "ec000032FF-F.", + frsqrtes_2 = "ec000034F-F.", + fmsubs_4 = "ec000038FFFF~.", + fmadds_4 = "ec00003aFFFF~.", + fnmsubs_4 = "ec00003cFFFF~.", + fnmadds_4 = "ec00003eFFFF~.", + + -- Primary opcode 63: + fdiv_3 = "fc000024FFF.", + fsub_3 = "fc000028FFF.", + fadd_3 = "fc00002aFFF.", + fsqrt_2 = "fc00002cF-F.", + fsel_4 = "fc00002eFFFF~.", + fre_2 = "fc000030F-F.", + fmul_3 = "fc000032FF-F.", + frsqrte_2 = "fc000034F-F.", + fmsub_4 = "fc000038FFFF~.", + fmadd_4 = "fc00003aFFFF~.", + fnmsub_4 = "fc00003cFFFF~.", + fnmadd_4 = "fc00003eFFFF~.", + fcmpu_3 = "fc000000XFF", + fcpsgn_3 = "fc000010FFF.", + fcmpo_3 = "fc000040XFF", + mtfsb1_1 = "fc00004cA", + fneg_2 = "fc000050F-F.", + mcrfs_2 = "fc000080XX", + mtfsb0_1 = "fc00008cA", + fmr_2 = "fc000090F-F.", + frsp_2 = "fc000018F-F.", + fctiw_2 = "fc00001cF-F.", + fctiwz_2 = "fc00001eF-F.", + mtfsfi_2 = "fc00010cAA", -- NYI: upshift. + fnabs_2 = "fc000110F-F.", + fabs_2 = "fc000210F-F.", + frin_2 = "fc000310F-F.", + friz_2 = "fc000350F-F.", + frip_2 = "fc000390F-F.", + frim_2 = "fc0003d0F-F.", + mffs_1 = "fc00048eF.", + -- NYI: mtfsf, mtfsb0, mtfsb1. + fctid_2 = "fc00065cF-F.", + fctidz_2 = "fc00065eF-F.", + fcfid_2 = "fc00069cF-F.", + + -- Primary opcode 4, SPE APU extension: + evaddw_3 = "10000200RRR", + evaddiw_3 = "10000202RAR~", + evsubw_3 = "10000204RRR~", + evsubiw_3 = "10000206RAR~", + evabs_2 = "10000208RR", + evneg_2 = "10000209RR", + evextsb_2 = "1000020aRR", + evextsh_2 = "1000020bRR", + evrndw_2 = "1000020cRR", + evcntlzw_2 = "1000020dRR", + evcntlsw_2 = "1000020eRR", + brinc_3 = "1000020fRRR", + evand_3 = "10000211RRR", + evandc_3 = "10000212RRR", + evxor_3 = "10000216RRR", + evor_3 = "10000217RRR", + evmr_2 = "10000217RR=", + evnor_3 = "10000218RRR", + evnot_2 = "10000218RR=", + eveqv_3 = "10000219RRR", + evorc_3 = "1000021bRRR", + evnand_3 = "1000021eRRR", + evsrwu_3 = "10000220RRR", + evsrws_3 = "10000221RRR", + evsrwiu_3 = "10000222RRA", + evsrwis_3 = "10000223RRA", + evslw_3 = "10000224RRR", + evslwi_3 = "10000226RRA", + evrlw_3 = "10000228RRR", + evsplati_2 = "10000229RS", + evrlwi_3 = "1000022aRRA", + evsplatfi_2 = "1000022bRS", + evmergehi_3 = "1000022cRRR", + evmergelo_3 = "1000022dRRR", + evcmpgtu_3 = "10000230XRR", + evcmpgtu_2 = "10000230-RR", + evcmpgts_3 = "10000231XRR", + evcmpgts_2 = "10000231-RR", + evcmpltu_3 = "10000232XRR", + evcmpltu_2 = "10000232-RR", + evcmplts_3 = "10000233XRR", + evcmplts_2 = "10000233-RR", + evcmpeq_3 = "10000234XRR", + evcmpeq_2 = "10000234-RR", + evsel_4 = "10000278RRRW", + evsel_3 = "10000278RRR", + evfsadd_3 = "10000280RRR", + evfssub_3 = "10000281RRR", + evfsabs_2 = "10000284RR", + evfsnabs_2 = "10000285RR", + evfsneg_2 = "10000286RR", + evfsmul_3 = "10000288RRR", + evfsdiv_3 = "10000289RRR", + evfscmpgt_3 = "1000028cXRR", + evfscmpgt_2 = "1000028c-RR", + evfscmplt_3 = "1000028dXRR", + evfscmplt_2 = "1000028d-RR", + evfscmpeq_3 = "1000028eXRR", + evfscmpeq_2 = "1000028e-RR", + evfscfui_2 = "10000290R-R", + evfscfsi_2 = "10000291R-R", + evfscfuf_2 = "10000292R-R", + evfscfsf_2 = "10000293R-R", + evfsctui_2 = "10000294R-R", + evfsctsi_2 = "10000295R-R", + evfsctuf_2 = "10000296R-R", + evfsctsf_2 = "10000297R-R", + evfsctuiz_2 = "10000298R-R", + evfsctsiz_2 = "1000029aR-R", + evfststgt_3 = "1000029cXRR", + evfststgt_2 = "1000029c-RR", + evfststlt_3 = "1000029dXRR", + evfststlt_2 = "1000029d-RR", + evfststeq_3 = "1000029eXRR", + evfststeq_2 = "1000029e-RR", + efsadd_3 = "100002c0RRR", + efssub_3 = "100002c1RRR", + efsabs_2 = "100002c4RR", + efsnabs_2 = "100002c5RR", + efsneg_2 = "100002c6RR", + efsmul_3 = "100002c8RRR", + efsdiv_3 = "100002c9RRR", + efscmpgt_3 = "100002ccXRR", + efscmpgt_2 = "100002cc-RR", + efscmplt_3 = "100002cdXRR", + efscmplt_2 = "100002cd-RR", + efscmpeq_3 = "100002ceXRR", + efscmpeq_2 = "100002ce-RR", + efscfd_2 = "100002cfR-R", + efscfui_2 = "100002d0R-R", + efscfsi_2 = "100002d1R-R", + efscfuf_2 = "100002d2R-R", + efscfsf_2 = "100002d3R-R", + efsctui_2 = "100002d4R-R", + efsctsi_2 = "100002d5R-R", + efsctuf_2 = "100002d6R-R", + efsctsf_2 = "100002d7R-R", + efsctuiz_2 = "100002d8R-R", + efsctsiz_2 = "100002daR-R", + efststgt_3 = "100002dcXRR", + efststgt_2 = "100002dc-RR", + efststlt_3 = "100002ddXRR", + efststlt_2 = "100002dd-RR", + efststeq_3 = "100002deXRR", + efststeq_2 = "100002de-RR", + efdadd_3 = "100002e0RRR", + efdsub_3 = "100002e1RRR", + efdcfuid_2 = "100002e2R-R", + efdcfsid_2 = "100002e3R-R", + efdabs_2 = "100002e4RR", + efdnabs_2 = "100002e5RR", + efdneg_2 = "100002e6RR", + efdmul_3 = "100002e8RRR", + efddiv_3 = "100002e9RRR", + efdctuidz_2 = "100002eaR-R", + efdctsidz_2 = "100002ebR-R", + efdcmpgt_3 = "100002ecXRR", + efdcmpgt_2 = "100002ec-RR", + efdcmplt_3 = "100002edXRR", + efdcmplt_2 = "100002ed-RR", + efdcmpeq_3 = "100002eeXRR", + efdcmpeq_2 = "100002ee-RR", + efdcfs_2 = "100002efR-R", + efdcfui_2 = "100002f0R-R", + efdcfsi_2 = "100002f1R-R", + efdcfuf_2 = "100002f2R-R", + efdcfsf_2 = "100002f3R-R", + efdctui_2 = "100002f4R-R", + efdctsi_2 = "100002f5R-R", + efdctuf_2 = "100002f6R-R", + efdctsf_2 = "100002f7R-R", + efdctuiz_2 = "100002f8R-R", + efdctsiz_2 = "100002faR-R", + efdtstgt_3 = "100002fcXRR", + efdtstgt_2 = "100002fc-RR", + efdtstlt_3 = "100002fdXRR", + efdtstlt_2 = "100002fd-RR", + efdtsteq_3 = "100002feXRR", + efdtsteq_2 = "100002fe-RR", + evlddx_3 = "10000300RR0R", + evldd_2 = "10000301R8", + evldwx_3 = "10000302RR0R", + evldw_2 = "10000303R8", + evldhx_3 = "10000304RR0R", + evldh_2 = "10000305R8", + evlwhex_3 = "10000310RR0R", + evlwhe_2 = "10000311R4", + evlwhoux_3 = "10000314RR0R", + evlwhou_2 = "10000315R4", + evlwhosx_3 = "10000316RR0R", + evlwhos_2 = "10000317R4", + evstddx_3 = "10000320RR0R", + evstdd_2 = "10000321R8", + evstdwx_3 = "10000322RR0R", + evstdw_2 = "10000323R8", + evstdhx_3 = "10000324RR0R", + evstdh_2 = "10000325R8", + evstwhex_3 = "10000330RR0R", + evstwhe_2 = "10000331R4", + evstwhox_3 = "10000334RR0R", + evstwho_2 = "10000335R4", + evstwwex_3 = "10000338RR0R", + evstwwe_2 = "10000339R4", + evstwwox_3 = "1000033cRR0R", + evstwwo_2 = "1000033dR4", + evmhessf_3 = "10000403RRR", + evmhossf_3 = "10000407RRR", + evmheumi_3 = "10000408RRR", + evmhesmi_3 = "10000409RRR", + evmhesmf_3 = "1000040bRRR", + evmhoumi_3 = "1000040cRRR", + evmhosmi_3 = "1000040dRRR", + evmhosmf_3 = "1000040fRRR", + evmhessfa_3 = "10000423RRR", + evmhossfa_3 = "10000427RRR", + evmheumia_3 = "10000428RRR", + evmhesmia_3 = "10000429RRR", + evmhesmfa_3 = "1000042bRRR", + evmhoumia_3 = "1000042cRRR", + evmhosmia_3 = "1000042dRRR", + evmhosmfa_3 = "1000042fRRR", + evmwhssf_3 = "10000447RRR", + evmwlumi_3 = "10000448RRR", + evmwhumi_3 = "1000044cRRR", + evmwhsmi_3 = "1000044dRRR", + evmwhsmf_3 = "1000044fRRR", + evmwssf_3 = "10000453RRR", + evmwumi_3 = "10000458RRR", + evmwsmi_3 = "10000459RRR", + evmwsmf_3 = "1000045bRRR", + evmwhssfa_3 = "10000467RRR", + evmwlumia_3 = "10000468RRR", + evmwhumia_3 = "1000046cRRR", + evmwhsmia_3 = "1000046dRRR", + evmwhsmfa_3 = "1000046fRRR", + evmwssfa_3 = "10000473RRR", + evmwumia_3 = "10000478RRR", + evmwsmia_3 = "10000479RRR", + evmwsmfa_3 = "1000047bRRR", + evmra_2 = "100004c4RR", + evdivws_3 = "100004c6RRR", + evdivwu_3 = "100004c7RRR", + evmwssfaa_3 = "10000553RRR", + evmwumiaa_3 = "10000558RRR", + evmwsmiaa_3 = "10000559RRR", + evmwsmfaa_3 = "1000055bRRR", + evmwssfan_3 = "100005d3RRR", + evmwumian_3 = "100005d8RRR", + evmwsmian_3 = "100005d9RRR", + evmwsmfan_3 = "100005dbRRR", + evmergehilo_3 = "1000022eRRR", + evmergelohi_3 = "1000022fRRR", + evlhhesplatx_3 = "10000308RR0R", + evlhhesplat_2 = "10000309R2", + evlhhousplatx_3 = "1000030cRR0R", + evlhhousplat_2 = "1000030dR2", + evlhhossplatx_3 = "1000030eRR0R", + evlhhossplat_2 = "1000030fR2", + evlwwsplatx_3 = "10000318RR0R", + evlwwsplat_2 = "10000319R4", + evlwhsplatx_3 = "1000031cRR0R", + evlwhsplat_2 = "1000031dR4", + evaddusiaaw_2 = "100004c0RR", + evaddssiaaw_2 = "100004c1RR", + evsubfusiaaw_2 = "100004c2RR", + evsubfssiaaw_2 = "100004c3RR", + evaddumiaaw_2 = "100004c8RR", + evaddsmiaaw_2 = "100004c9RR", + evsubfumiaaw_2 = "100004caRR", + evsubfsmiaaw_2 = "100004cbRR", + evmheusiaaw_3 = "10000500RRR", + evmhessiaaw_3 = "10000501RRR", + evmhessfaaw_3 = "10000503RRR", + evmhousiaaw_3 = "10000504RRR", + evmhossiaaw_3 = "10000505RRR", + evmhossfaaw_3 = "10000507RRR", + evmheumiaaw_3 = "10000508RRR", + evmhesmiaaw_3 = "10000509RRR", + evmhesmfaaw_3 = "1000050bRRR", + evmhoumiaaw_3 = "1000050cRRR", + evmhosmiaaw_3 = "1000050dRRR", + evmhosmfaaw_3 = "1000050fRRR", + evmhegumiaa_3 = "10000528RRR", + evmhegsmiaa_3 = "10000529RRR", + evmhegsmfaa_3 = "1000052bRRR", + evmhogumiaa_3 = "1000052cRRR", + evmhogsmiaa_3 = "1000052dRRR", + evmhogsmfaa_3 = "1000052fRRR", + evmwlusiaaw_3 = "10000540RRR", + evmwlssiaaw_3 = "10000541RRR", + evmwlumiaaw_3 = "10000548RRR", + evmwlsmiaaw_3 = "10000549RRR", + evmheusianw_3 = "10000580RRR", + evmhessianw_3 = "10000581RRR", + evmhessfanw_3 = "10000583RRR", + evmhousianw_3 = "10000584RRR", + evmhossianw_3 = "10000585RRR", + evmhossfanw_3 = "10000587RRR", + evmheumianw_3 = "10000588RRR", + evmhesmianw_3 = "10000589RRR", + evmhesmfanw_3 = "1000058bRRR", + evmhoumianw_3 = "1000058cRRR", + evmhosmianw_3 = "1000058dRRR", + evmhosmfanw_3 = "1000058fRRR", + evmhegumian_3 = "100005a8RRR", + evmhegsmian_3 = "100005a9RRR", + evmhegsmfan_3 = "100005abRRR", + evmhogumian_3 = "100005acRRR", + evmhogsmian_3 = "100005adRRR", + evmhogsmfan_3 = "100005afRRR", + evmwlusianw_3 = "100005c0RRR", + evmwlssianw_3 = "100005c1RRR", + evmwlumianw_3 = "100005c8RRR", + evmwlsmianw_3 = "100005c9RRR", + + -- NYI: some 64 bit PowerPC and Book E instructions: + -- rldicl, rldicr, rldic, rldimi, rldcl, rldcr, sradi, 64 bit ext. add/sub, + -- extended addressing branches, cache management, loads and stores +} + +-- Add mnemonics for "." variants. +do + local t = {} + for k,v in pairs(map_op) do + if sub(v, -1) == "." then + local v2 = sub(v, 1, 7)..char(byte(v, 8)+1)..sub(v, 9, -2) + t[sub(k, 1, -3).."."..sub(k, -2)] = v2 + end + end + for k,v in pairs(t) do + map_op[k] = v + end +end + +-- Add more branch mnemonics. +for cond,c in pairs(map_cond) do + local b1 = "b"..cond + local c1 = (c%4)*0x00010000 + (c < 4 and 0x01000000 or 0) + -- bX[l] + map_op[b1.."_1"] = tohex(0x40800000 + c1).."K" + map_op[b1.."y_1"] = tohex(0x40a00000 + c1).."K" + map_op[b1.."l_1"] = tohex(0x40800001 + c1).."K" + map_op[b1.."_2"] = tohex(0x40800000 + c1).."-XK" + map_op[b1.."y_2"] = tohex(0x40a00000 + c1).."-XK" + map_op[b1.."l_2"] = tohex(0x40800001 + c1).."-XK" + -- bXlr[l] + map_op[b1.."lr_0"] = tohex(0x4c800020 + c1) + map_op[b1.."lrl_0"] = tohex(0x4c800021 + c1) + map_op[b1.."ctr_0"] = tohex(0x4c800420 + c1) + map_op[b1.."ctrl_0"] = tohex(0x4c800421 + c1) + -- bXctr[l] + map_op[b1.."lr_1"] = tohex(0x4c800020 + c1).."-X" + map_op[b1.."lrl_1"] = tohex(0x4c800021 + c1).."-X" + map_op[b1.."ctr_1"] = tohex(0x4c800420 + c1).."-X" + map_op[b1.."ctrl_1"] = tohex(0x4c800421 + c1).."-X" +end + +------------------------------------------------------------------------------ + +local function parse_gpr(expr) + local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$") + local tp = map_type[tname or expr] + if tp then + local reg = ovreg or tp.reg + if not reg then + werror("type `"..(tname or expr).."' needs a register override") + end + expr = reg + end + local r = match(expr, "^r([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r, tp end + end + werror("bad register name `"..expr.."'") +end + +local function parse_fpr(expr) + local r = match(expr, "^f([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r end + end + werror("bad register name `"..expr.."'") +end + +local function parse_cr(expr) + local r = match(expr, "^cr([0-7])$") + if r then return tonumber(r) end + werror("bad condition register name `"..expr.."'") +end + +local function parse_cond(expr) + local r, cond = match(expr, "^4%*cr([0-7])%+(%w%w)$") + if r then + r = tonumber(r) + local c = map_cond[cond] + if c and c < 4 then return r*4+c end + end + werror("bad condition bit name `"..expr.."'") +end + +local function parse_imm(imm, bits, shift, scale, signed) + local n = tonumber(imm) + if n then + if n % 2^scale == 0 then + n = n / 2^scale + if signed then + if n >= 0 then + if n < 2^(bits-1) then return n*2^shift end + else + if n >= -(2^(bits-1))-1 then return (n+2^bits)*2^shift end + end + else + if n >= 0 and n <= 2^bits-1 then return n*2^shift end + end + end + werror("out of range immediate `"..imm.."'") + elseif match(imm, "^r([1-3]?[0-9])$") or + match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then + werror("expected immediate operand, got register") + else + waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) + return 0 + end +end + +local function parse_disp(disp) + local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") + if imm then + local r = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + return r*65536 + parse_imm(imm, 16, 0, 0, true) + end + local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") + if reg and tailr ~= "" then + local r, tp = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + if tp then + waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr)) + return r*65536 + end + end + werror("bad displacement `"..disp.."'") +end + +local function parse_u5disp(disp, scale) + local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") + if imm then + local r = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + return r*65536 + parse_imm(imm, 5, 11, scale, false) + end + local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") + if reg and tailr ~= "" then + local r, tp = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + if tp then + waction("IMM", scale*1024+5*32+11, format(tp.ctypefmt, tailr)) + return r*65536 + end + end + werror("bad displacement `"..disp.."'") +end + +local function parse_label(label, def) + local prefix = sub(label, 1, 2) + -- =>label (pc label reference) + if prefix == "=>" then + return "PC", 0, sub(label, 3) + end + -- ->name (global label reference) + if prefix == "->" then + return "LG", map_global[sub(label, 3)] + end + if def then + -- [1-9] (local label definition) + if match(label, "^[1-9]$") then + return "LG", 10+tonumber(label) + end + else + -- [<>][1-9] (local label reference) + local dir, lnum = match(label, "^([<>])([1-9])$") + if dir then -- Fwd: 1-9, Bkwd: 11-19. + return "LG", lnum + (dir == ">" and 0 or 10) + end + -- extern label (extern label reference) + local extname = match(label, "^extern%s+(%S+)$") + if extname then + return "EXT", map_extern[extname] + end + end + werror("bad label `"..label.."'") +end + +------------------------------------------------------------------------------ + +-- Handle opcodes defined with template strings. +map_op[".template__"] = function(params, template, nparams) + if not params then return sub(template, 9) end + local op = tonumber(sub(template, 1, 8), 16) + local n, rs = 1, 26 + + -- Limit number of section buffer positions used by a single dasm_put(). + -- A single opcode needs a maximum of 3 positions (rlwinm). + if secpos+3 > maxsecpos then wflush() end + local pos = wpos() + + -- Process each character. + for p in gmatch(sub(template, 9), ".") do + if p == "R" then + rs = rs - 5; op = op + parse_gpr(params[n]) * 2^rs; n = n + 1 + elseif p == "F" then + rs = rs - 5; op = op + parse_fpr(params[n]) * 2^rs; n = n + 1 + elseif p == "A" then + rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, false); n = n + 1 + elseif p == "S" then + rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, true); n = n + 1 + elseif p == "I" then + op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1 + elseif p == "U" then + op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1 + elseif p == "D" then + op = op + parse_disp(params[n]); n = n + 1 + elseif p == "2" then + op = op + parse_u5disp(params[n], 1); n = n + 1 + elseif p == "4" then + op = op + parse_u5disp(params[n], 2); n = n + 1 + elseif p == "8" then + op = op + parse_u5disp(params[n], 3); n = n + 1 + elseif p == "C" then + rs = rs - 5; op = op + parse_cond(params[n]) * 2^rs; n = n + 1 + elseif p == "X" then + rs = rs - 5; op = op + parse_cr(params[n]) * 2^(rs+2); n = n + 1 + elseif p == "W" then + op = op + parse_cr(params[n]); n = n + 1 + elseif p == "G" then + op = op + parse_imm(params[n], 8, 12, 0, false); n = n + 1 + elseif p == "J" or p == "K" then + local mode, n, s = parse_label(params[n], false) + if p == "K" then n = n + 2048 end + waction("REL_"..mode, n, s, 1) + n = n + 1 + elseif p == "0" then + local mm = 2^rs + local t = op % mm + if ((op - t) / mm) % 32 == 0 then werror("cannot use r0") end + elseif p == "=" or p == "%" then + local mm = 2^(rs + (p == "%" and 5 or 0)) + local t = ((op - op % mm) / mm) % 32 + rs = rs - 5 + op = op + t * 2^rs + elseif p == "~" then + local mm = 2^rs + local t1l = op % mm + local t1h = (op - t1l) / mm + local t2l = t1h % 32 + local t2h = (t1h - t2l) / 32 + local t3l = t2h % 32 + op = ((t2h - t3l + t2l)*32 + t3l)*mm + t1l + elseif p == "-" then + rs = rs - 5 + elseif p == "." then + -- Ignored. + else + assert(false) + end + end + wputpos(pos, op) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode to mark the position where the action list is to be emitted. +map_op[".actionlist_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeactions(out, name) end) +end + +-- Pseudo-opcode to mark the position where the global enum is to be emitted. +map_op[".globals_1"] = function(params) + if not params then return "prefix" end + local prefix = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobals(out, prefix) end) +end + +-- Pseudo-opcode to mark the position where the global names are to be emitted. +map_op[".globalnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobalnames(out, name) end) +end + +-- Pseudo-opcode to mark the position where the extern names are to be emitted. +map_op[".externnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeexternnames(out, name) end) +end + +------------------------------------------------------------------------------ + +-- Label pseudo-opcode (converted from trailing colon form). +map_op[".label_1"] = function(params) + if not params then return "[1-9] | ->global | =>pcexpr" end + if secpos+1 > maxsecpos then wflush() end + local mode, n, s = parse_label(params[1], true) + if mode == "EXT" then werror("bad label definition") end + waction("LABEL_"..mode, n, s, 1) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcodes for data storage. +map_op[".long_*"] = function(params) + if not params then return "imm..." end + for _,p in ipairs(params) do + local n = tonumber(p) + if not n then werror("bad immediate `"..p.."'") end + if n < 0 then n = n + 2^32 end + wputw(n) + if secpos+2 > maxsecpos then wflush() end + end +end + +-- Alignment pseudo-opcode. +map_op[".align_1"] = function(params) + if not params then return "numpow2" end + if secpos+1 > maxsecpos then wflush() end + local align = tonumber(params[1]) + if align then + local x = align + -- Must be a power of 2 in the range (2 ... 256). + for i=1,8 do + x = x / 2 + if x == 1 then + waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. + return + end + end + end + werror("bad alignment") +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode for (primitive) type definitions (map to C types). +map_op[".type_3"] = function(params, nparams) + if not params then + return nparams == 2 and "name, ctype" or "name, ctype, reg" + end + local name, ctype, reg = params[1], params[2], params[3] + if not match(name, "^[%a_][%w_]*$") then + werror("bad type name `"..name.."'") + end + local tp = map_type[name] + if tp then + werror("duplicate type `"..name.."'") + end + -- Add #type to defines. A bit unclean to put it in map_archdef. + map_archdef["#"..name] = "sizeof("..ctype..")" + -- Add new type and emit shortcut define. + local num = ctypenum + 1 + map_type[name] = { + ctype = ctype, + ctypefmt = format("Dt%X(%%s)", num), + reg = reg, + } + wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) + ctypenum = num +end +map_op[".type_2"] = map_op[".type_3"] + +-- Dump type definitions. +local function dumptypes(out, lvl) + local t = {} + for name in pairs(map_type) do t[#t+1] = name end + sort(t) + out:write("Type definitions:\n") + for _,name in ipairs(t) do + local tp = map_type[name] + local reg = tp.reg or "" + out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) + end + out:write("\n") +end + +------------------------------------------------------------------------------ + +-- Set the current section. +function _M.section(num) + waction("SECTION", num) + wflush(true) -- SECTION is a terminal action. +end + +------------------------------------------------------------------------------ + +-- Dump architecture description. +function _M.dumparch(out) + out:write(format("DynASM %s version %s, released %s\n\n", + _info.arch, _info.version, _info.release)) + dumpactions(out) +end + +-- Dump all user defined elements. +function _M.dumpdef(out, lvl) + dumptypes(out, lvl) + dumpglobals(out, lvl) + dumpexterns(out, lvl) +end + +------------------------------------------------------------------------------ + +-- Pass callbacks from/to the DynASM core. +function _M.passcb(wl, we, wf, ww) + wline, werror, wfatal, wwarn = wl, we, wf, ww + return wflush +end + +-- Setup the arch-specific module. +function _M.setup(arch, opt) + g_arch, g_opt = arch, opt +end + +-- Merge the core maps and the arch-specific maps. +function _M.mergemaps(map_coreop, map_def) + setmetatable(map_op, { __index = map_coreop }) + setmetatable(map_def, { __index = map_archdef }) + return map_op, map_def +end + +return _M + +------------------------------------------------------------------------------ + |