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|
------------------------------------------------------------------------------
-- DynASM s390x module.
--
-- Copyright (C) 2005-2017 Mike Pall. All rights reserved.
-- See dynasm.lua for full copyright notice.
------------------------------------------------------------------------------
-- Module information:
local _info = {
arch = "s390x",
description = "DynASM s390x module",
version = "1.4.0",
vernum = 10400,
release = "2015-10-18",
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, rawget = assert, setmetatable, rawget
local _s = string
local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char
local match, gmatch, gsub = _s.match, _s.gmatch, _s.gsub
local concat, sort, insert = table.concat, table.sort, table.insert
local bit = bit or require("bit")
local band, shl, shr, sar = bit.band, bit.lshift, bit.rshift, bit.arshift
local ror, tohex = bit.ror, bit.tohex
-- 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", "DISP12", "DISP20", "IMM8", "IMM16", "IMM32", "LEN8R","LEN4HR","LEN4LR",
}
-- 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 = {}
local max_action = 0
for n, name in ipairs(action_names) do
map_action[name] = n-1
max_action = n
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
------------------------------------------------------------------------------
-- 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
local function havearg(a)
return a == "ESC" or
a == "SECTION" or
a == "REL_LG" or
a == "LABEL_LG" or
a == "REL_EXT"
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 short ", name, "[", nn, "] = {")
local esc = false -- also need to escape for action arguments
for i = 1, nn do
assert(out:write("\n 0x", sub(tohex(actlist[i]), 5, 8)))
if i ~= nn then assert(out:write(",")) end
local name = action_names[actlist[i]+1]
if not esc and name then
assert(out:write(" /* ", name, " */"))
esc = havearg(name)
else
esc = false
end
end
assert(out:write("\n};\n\n"))
end
------------------------------------------------------------------------------
-- Add halfword to action list.
local function wputxhw(n)
assert(n >= 0 and n <= 0xffff, "halfword 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.."'")
wputxhw(w)
if val then wputxhw(val) end -- Not sure about this, do we always have one arg?
if a then actargs[#actargs+1] = a end
if val or 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 halfword.
local function wputhw(n)
if n <= max_action then waction("ESC") end
wputxhw(n)
end
-- Reserve position for halfword.
local function wpos()
local pos = #actlist+1
actlist[pos] = ""
return pos
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.
-- Ext. register name -> int. name.
local map_archdef = { sp = "r15" }
-- Int. register name -> ext. name.
local map_reg_rev = { r15 = "sp" }
local map_type = {} -- Type name -> { ctype, reg }
local ctypenum = 0 -- Type number (for Dt... macros).
-- Reverse defines for registers.
function _M.revdef(s)
return map_reg_rev[s] or s
end
local map_cond = {
o = 1, h = 2, nle = 3, l = 4,
nhe = 5, lh = 6, ne = 7, e = 8,
nlh = 9, he = 10, nl = 11, le = 12,
nh = 13, no = 14, [""] = 15,
}
------------------------------------------------------------------------------
local function parse_reg(expr)
if not expr then werror("expected register name") end
local tname, ovreg = match(expr, "^([%w_]+):(r1?%d)$")
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, "^[rf](1?%d)$")
if r then
r = tonumber(r)
if r <= 15 then return r, tp end
end
werror("bad register name `"..expr.."'")
end
local parse_ctx = {}
local loadenv = setfenv and function(s)
local code = loadstring(s, "")
if code then setfenv(code, parse_ctx) end
return code
end or function(s)
return load(s, "", nil, parse_ctx)
end
-- Try to parse simple arithmetic, too, since some basic ops are aliases.
local function parse_number(n)
local x = tonumber(n)
if x then return x end
local code = loadenv("return "..n)
if code then
local ok, y = pcall(code)
if ok then return y end
end
return nil
end
local function is_uint12(num)
return 0 <= num and num < 4096
end
local function is_int20(num)
return -shl(1, 19) <= num and num < shl(1, 19)
end
local function is_int32(num)
return -2147483648 <= num and num < 2147483648
end
local function is_uint16(num)
return 0 <= num and num < 0xffff
end
local function is_int16(num)
return -32768 <= num and num < 32768
end
local function is_int8(num)
return -128 <= num and num < 128
end
local function is_uint8(num)
return 0 <= num and num < 256
end
-- Split a memory operand of the form d(b) or d(x,b) into d, x and b.
-- If x is not specified then it is 0.
local function split_memop(arg)
local reg = "[%w_:]+"
local d, x, b = match(arg, "^(.*)%(%s*("..reg..")%s*,%s*("..reg..")%s*%)$")
if d then
return d, parse_reg(x), parse_reg(b)
end
local d, b = match(arg, "^(.*)%(%s*("..reg..")%s*%)$")
if d then
return d, 0, parse_reg(b)
end
-- Assume the two registers are passed as "(r1,r2)", and displacement(d) is not specified. TODO: not sure if we want to do this, GAS doesn't.
local x, b = match(arg,"%(%s*("..reg..")%s*,%s*("..reg..")%s*%)$")
if b then
return 0, parse_reg(x), parse_reg(b)
end
-- Accept a lone integer as a displacement. TODO: allow expressions/variables here? Interacts badly with the other rules currently.
local d = match(arg,"^(-?[%d]+)$")
if d then
return d, 0, 0
end
local reg, tailr = match(arg, "^([%w_:]+)%s*(.*)$")
if reg then
local r, tp = parse_reg(reg)
if tp then
return format(tp.ctypefmt, tailr), 0, r
end
end
werror("bad memory operand: "..arg)
return nil
end
-- Parse memory operand of the form d(x, b) where 0 <= d < 4096 and b and x
-- are GPRs.
-- If the fourth return value is not-nil then it needs to be called to
-- insert an action.
-- Encoded as: xbddd
local function parse_mem_bx(arg)
local d, x, b = split_memop(arg)
local dval = tonumber(d)
if dval then
if not is_uint12(dval) then
werror("displacement out of range: ", dval)
end
return dval, x, b, nil
end
if match(d, "^[rf]1?[0-9]?") then
werror("expected immediate operand, got register")
end
return 0, x, b, function() waction("DISP12", nil, d) end
end
-- Parse memory operand of the form d(b) where 0 <= d < 4096 and b is a GPR.
-- Encoded as: bddd
local function parse_mem_b(arg)
local d, x, b, a = parse_mem_bx(arg)
if x ~= 0 then
werror("unexpected index register")
end
return d, b, a
end
-- Parse memory operand of the form d(x, b) where -(2^20)/2 <= d < (2^20)/2
-- and b and x are GPRs.
-- Encoded as: xblllhh (ls are the low-bits of d, and hs are the high bits).
local function parse_mem_bxy(arg)
local d, x, b = split_memop(arg)
local dval = tonumber(d)
if dval then
if not is_int20(dval) then
werror("displacement out of range: ", dval)
end
return dval, x, b, nil
end
if match(d, "^[rf]1?[0-9]?") then
werror("expected immediate operand, got register")
end
return 0, x, b, function() waction("DISP20", nil, d) end
end
-- Parse memory operand of the form d(b) where -(2^20)/2 <= d < (2^20)/2 and
-- b is a GPR.
-- Encoded as: blllhh (ls are the low-bits of d, and hs are the high bits).
local function parse_mem_by(arg)
local d, x, b, a = parse_mem_bxy(arg)
if x ~= 0 then
werror("unexpected index register")
end
return d, b, a
end
-- Parse memory operand of the form d(l, b) where 0 <= d < 4096, 1 <= l <= 256,
-- and b is a GPR.
local function parse_mem_lb(arg)
local reg = "r1?[0-9]"
local d, l, b = match(arg, "^(.*)%s*%(%s*(.*)%s*,%s*("..reg..")%s*%)$")
if not d then
-- TODO: handle values without registers?
-- TODO: handle registers without a displacement?
werror("bad memory operand: "..arg)
return nil
end
local dval = tonumber(d)
local dact = nil
if dval then
if not is_uint12(dval) then
werror("displacement out of range: ", dval)
end
else
dval = 0
dact = function() waction("DISP12", nil, d) end
end
local lval = tonumber(l)
local lact = nil
if lval then
if lval < 1 or lval > 256 then
werror("length out of range: ", dval)
end
lval = lval - 1
else
lval = 0
lact = function() waction("LEN8R", nil, l) end
end
return dval, lval, parse_reg(b), dact, lact
end
local function parse_mem_l2b(arg, high_l)
local reg = "r1?[0-9]"
local d, l, b = match(arg, "^(.*)%s*%(%s*(.*)%s*,%s*("..reg..")%s*%)$")
if not d then
-- TODO: handle values without registers?
-- TODO: handle registers without a displacement?
werror("bad memory operand: "..arg)
return nil
end
local dval = tonumber(d)
local dact = nil
if dval then
if not is_uint12(dval) then
werror("displacement out of range: ", dval)
end
else
dval = 0
dact = function() waction("DISP12", nil, d) end
end
local lval = tonumber(l)
local lact = nil
if lval then
if lval < 1 or lval > 128 then
werror("length out of range: ", dval)
end
lval = lval - 1
else
lval = 0
if high_l then
lact = function() waction("LEN4HR", nil, l) end
else
lact = function() waction("LEN4LR", nil, l) end
end
end
return dval, lval, parse_reg(b), dact, lact
end
local function parse_imm32(imm)
local imm_val = tonumber(imm)
if imm_val then
if not is_int32(imm_val) then
werror("immediate value out of range: ", imm_val)
end
wputhw(band(shr(imm_val, 16), 0xffff))
wputhw(band(imm_val, 0xffff))
elseif match(imm, "^[rfv]([1-3]?[0-9])$") or
match(imm, "^([%w_]+):(r1?[0-9])$") then
werror("expected immediate operand, got register")
else
waction("IMM32", nil, imm) -- if we get label
end
end
local function parse_imm16(imm)
local imm_val = tonumber(imm)
if imm_val then
if not is_int16(imm_val) and not is_uint16(imm_val) then
werror("immediate value out of range: ", imm_val)
end
wputhw(band(imm_val, 0xffff))
elseif match(imm, "^[rfv]([1-3]?[0-9])$") or
match(imm, "^([%w_]+):(r1?[0-9])$") then
werror("expected immediate operand, got register")
else
waction("IMM16", nil, imm)
end
end
local function parse_imm8(imm)
local imm_val = tonumber(imm)
if imm_val then
if not is_int8(imm_val) and not is_uint8(imm_val) then
werror("Immediate value out of range: ", imm_val)
end
return imm_val, nil
end
return 0, function() waction("IMM8", nil, imm) end
end
local function parse_mask(mask)
local m3 = parse_number(mask)
if m3 then
if ((m3 == 1) or (m3 == 0) or ( m3 >=3 and m3 <=7)) then
return m3
else
werror("Mask value should be 0,1 or 3-7: ", m3)
end
end
end
local function parse_mask2(mask)
local m4 = parse_number(mask)
if ( m4 >=0 and m4 <=1) then
return m4
else
werror("Mask value should be 0 or 1: ", m4)
end
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
------------------------------------------------------------------------------
local map_op, op_template
local function op_alias(opname, f)
return function(params, nparams)
if not params then return "-> "..opname:sub(1, -3) end
f(params, nparams)
op_template(params, map_op[opname], nparams)
end
end
-- Template strings for s390x instructions.
map_op = {
a_2 = "00005a000000RX-a",
ad_2 = "00006a000000RX-a",
adb_2 = "ed000000001aRXE",
adbr_2 = "0000b31a0000RRE",
adr_2 = "000000002a00RR",
ae_2 = "00007a000000RX-a",
aeb_2 = "ed000000000aRXE",
aebr_2 = "0000b30a0000RRE",
aer_2 = "000000003a00RR",
afi_2 = "c20900000000RIL-a",
ag_2 = "e30000000008RXY-a",
agf_2 = "e30000000018RXY-a",
agfi_2 = "c20800000000RIL-a",
agfr_2 = "0000b9180000RRE",
aghi_2 = "0000a70b0000RI-a",
agr_2 = "0000b9080000RRE",
ah_2 = "00004a000000RX-a",
ahi_2 = "0000a70a0000RI-a",
ahy_2 = "e3000000007aRXY-a",
aih_2 = "cc0800000000RIL-a",
al_2 = "00005e000000RX-a",
alc_2 = "e30000000098RXY-a",
alcg_2 = "e30000000088RXY-a",
alcgr_2 = "0000b9880000RRE",
alcr_2 = "0000b9980000RRE",
alfi_2 = "c20b00000000RIL-a",
alg_2 = "e3000000000aRXY-a",
algf_2 = "e3000000001aRXY-a",
algfi_2 = "c20a00000000RIL-a",
algfr_2 = "0000b91a0000RRE",
algr_2 = "0000b90a0000RRE",
alr_2 = "000000001e00RR",
alsih_2 = "cc0a00000000RIL-a",
alsihn_2 = "cc0b00000000RIL-a",
aly_2 = "e3000000005eRXY-a",
ap_2 = "fa0000000000SS-b",
ar_2 = "000000001a00RR",
au_2 = "00007e000000RX-a",
aur_2 = "000000003e00RR",
aw_2 = "00006e000000RX-a",
awr_2 = "000000002e00RR",
axbr_2 = "0000b34a0000RRE",
axr_2 = "000000003600RR",
ay_2 = "e3000000005aRXY-a",
bakr_2 = "0000b2400000RRE",
bal_2 = "000045000000RX-a",
balr_2 = "000000000500RR",
bas_2 = "00004d000000RX-a",
basr_2 = "000000000d00RR",
bassm_2 = "000000000c00RR",
bc_2 = "000047000000RX-b",
bc_2 = "000047000000RX-b",
bcr_2 = "000000000700RR",
bct_2 = "000046000000RX-a",
bctg_2 = "e30000000046RXY-a",
bctgr_2 = "0000b9460000RRE",
bctr_2 = "000000000600RR",
bras_2 = "0000a7050000RI-b",
brasl_2 = "c00500000000RIL-b",
brc_2 = "0000a7040000RI-c",
brcl_2 = "c00400000000RIL-c",
brcl_2 = "c00400000000RIL-c",
brct_2 = "0000a7060000RI-b",
brctg_2 = "0000a7070000RI-b",
brcth_2 = "cc0600000000RIL-b",
brxh_3 = "000084000000RSI",
brxhg_3 = "ec0000000044RIE-e",
bsa_2 = "0000b25a0000RRE",
bsg_2 = "0000b2580000RRE",
bsm_2 = "000000000b00RR",
bxh_3 = "000086000000RS-a",
bxhg_3 = "eb0000000044RSY-a",
bxle_3 = "000087000000RS-a",
bxleg_3 = "eb0000000045RSY-a",
c_2 = "000059000000RX-a",
cd_2 = "000069000000RX-a",
cdb_2 = "ed0000000019RXE",
cdbr_2 = "0000b3190000RRE",
cdfbr_2 = "0000b3950000RRE",
cdfbra_4 = "0000b3950000RRF-e",
cdfr_2 = "0000b3b50000RRE",
cdftr_2 = "0000b9510000RRE",
cdgbr_2 = "0000b3a50000RRE",
cdgbra_4 = "0000b3a50000RRF-e",
cdgr_2 = "0000b3c50000RRE",
cdgtr_2 = "0000b3f10000RRE",
cdr_2 = "000000002900RR",
cds_3 = "0000bb000000RS-a",
cdsg_3 = "eb000000003eRSY-a",
cdstr_2 = "0000b3f30000RRE",
cdsy_3 = "eb0000000031RSY-a",
cdtr_2 = "0000b3e40000RRE",
cdutr_2 = "0000b3f20000RRE",
ce_2 = "000079000000RX-a",
ceb_2 = "ed0000000009RXE",
cebr_2 = "0000b3090000RRE",
cedtr_2 = "0000b3f40000RRE",
cefbr_2 = "0000b3940000RRE",
cefbra_4 = "0000b3940000RRF-e",
cefr_2 = "0000b3b40000RRE",
cegbr_2 = "0000b3a40000RRE",
cegbra_4 = "0000b3a40000RRF-e",
cegr_2 = "0000b3c40000RRE",
cer_2 = "000000003900RR",
cextr_2 = "0000b3fc0000RRE",
cfdbr_3 = "0000b3990000RRF-e",
cfdbra_4 = "0000b3990000RRF-e",
cfebr_3 = "0000b3980000RRF-e",
cfebra_4 = "0000b3980000RRF-e",
cfi_2 = "c20d00000000RIL-a",
cfxbr_3 = "0000b39a0000RRF-e",
cfxbra_4 = "0000b39a0000RRF-e",
cg_2 = "e30000000020RXY-a",
cgdbr_3 = "0000b3a90000RRF-e",
cgdbra_4 = "0000b3a90000RRF-e",
cgebr_3 = "0000b3a80000RRF-e",
cgebra_4 = "0000b3a80000RRF-e",
cgf_2 = "e30000000030RXY-a",
cgfi_2 = "c20c00000000RIL-a",
cgfr_2 = "0000b9300000RRE",
cgfrl_2 = "c60c00000000RIL-b",
cgh_2 = "e30000000034RXY-a",
cghi_2 = "0000a70f0000RI-a",
cghrl_2 = "c60400000000RIL-b",
cgr_2 = "0000b9200000RRE",
cgrl_2 = "c60800000000RIL-b",
cgxbr_3 = "0000b3aa0000RRF-e",
cgxbra_4 = "0000b3aa0000RRF-e",
ch_2 = "000049000000RX-a",
chf_2 = "e300000000cdRXY-a",
chhr_2 = "0000b9cd0000RRE",
chi_2 = "0000a70e0000RI-a",
chlr_2 = "0000b9dd0000RRE",
chrl_2 = "c60500000000RIL-b",
chy_2 = "e30000000079RXY-a",
cih_2 = "cc0d00000000RIL-a",
cksm_2 = "0000b2410000RRE",
cl_2 = "000055000000RX-a",
clc_2 = "d50000000000SS-a",
clcl_2 = "000000000f00RR",
clcle_3 = "0000a9000000RS-a",
clclu_3 = "eb000000008fRSY-a",
clfi_2 = "c20f00000000RIL-a",
clg_2 = "e30000000021RXY-a",
clgf_2 = "e30000000031RXY-a",
clgfi_2 = "c20e00000000RIL-a",
clgfr_2 = "0000b9310000RRE",
clgfrl_2 = "c60e00000000RIL-b",
clghrl_2 = "c60600000000RIL-b",
clgr_2 = "0000b9210000RRE",
clgrl_2 = "c60a00000000RIL-b",
clhf_2 = "e300000000cfRXY-a",
clhhr_2 = "0000b9cf0000RRE",
clhlr_2 = "0000b9df0000RRE",
clhrl_2 = "c60700000000RIL-b",
cli_2 = "000095000000SI",
clih_2 = "cc0f00000000RIL-a",
clm_3 = "0000bd000000RS-b",
clmh_3 = "eb0000000020RSY-b",
clmy_3 = "eb0000000021RSY-b",
clr_2 = "000000001500RR",
clrl_2 = "c60f00000000RIL-b",
clst_2 = "0000b25d0000RRE",
cly_2 = "e30000000055RXY-a",
cmpsc_2 = "0000b2630000RRE",
cpya_2 = "0000b24d0000RRE",
cr_2 = "000000001900RR",
crl_2 = "c60d00000000RIL-b",
cs_3 = "0000ba000000RS-a",
csg_3 = "eb0000000030RSY-a",
csp_2 = "0000b2500000RRE",
cspg_2 = "0000b98a0000RRE",
csy_3 = "eb0000000014RSY-a",
cu41_2 = "0000b9b20000RRE",
cu42_2 = "0000b9b30000RRE",
cudtr_2 = "0000b3e20000RRE",
cuse_2 = "0000b2570000RRE",
cuxtr_2 = "0000b3ea0000RRE",
cvb_2 = "00004f000000RX-a",
cvbg_2 = "e3000000000eRXY-a",
cvby_2 = "e30000000006RXY-a",
cvd_2 = "00004e000000RX-a",
cvdg_2 = "e3000000002eRXY-a",
cvdy_2 = "e30000000026RXY-a",
cxbr_2 = "0000b3490000RRE",
cxfbr_2 = "0000b3960000RRE",
cxfbra_4 = "0000b3960000RRF-e",
cxfr_2 = "0000b3b60000RRE",
cxftr_2 = "0000b9590000RRE",
cxgbr_2 = "0000b3a60000RRE",
cxgbra_4 = "0000b3a60000RRF-e",
cxgr_2 = "0000b3c60000RRE",
cxgtr_2 = "0000b3f90000RRE",
cxr_2 = "0000b3690000RRE",
cxstr_2 = "0000b3fb0000RRE",
cxtr_2 = "0000b3ec0000RRE",
cxutr_2 = "0000b3fa0000RRE",
cy_2 = "e30000000059RXY-a",
d_2 = "00005d000000RX-a",
dd_2 = "00006d000000RX-a",
ddb_2 = "ed000000001dRXE",
ddbr_2 = "0000b31d0000RRE",
ddr_2 = "000000002d00RR",
de_2 = "00007d000000RX-a",
deb_2 = "ed000000000dRXE",
debr_2 = "0000b30d0000RRE",
der_2 = "000000003d00RR",
didbr_4 = "0000b35b0000RRF-b",
dl_2 = "e30000000097RXY-a",
dlg_2 = "e30000000087RXY-a",
dlgr_2 = "0000b9870000RRE",
dlr_2 = "0000b9970000RRE",
dr_2 = "000000001d00RR",
dsg_2 = "e3000000000dRXY-a",
dsgf_2 = "e3000000001dRXY-a",
dsgfr_2 = "0000b91d0000RRE",
dsgr_2 = "0000b90d0000RRE",
dxbr_2 = "0000b34d0000RRE",
dxr_2 = "0000b22d0000RRE",
ear_2 = "0000b24f0000RRE",
ecag_3 = "eb000000004cRSY-a",
ed_2 = "de0000000000SS-a",
edmk_2 = "df0000000000SS-a",
eedtr_2 = "0000b3e50000RRE",
eextr_2 = "0000b3ed0000RRE",
efpc_2 = "0000b38c0000RRE",
epair_2 = "0000b99a0000RRE",
epar_2 = "0000b2260000RRE",
epsw_2 = "0000b98d0000RRE",
ereg_2 = "0000b2490000RRE",
eregg_2 = "0000b90e0000RRE",
esair_2 = "0000b99b0000RRE",
esar_2 = "0000b2270000RRE",
esdtr_2 = "0000b3e70000RRE",
esea_2 = "0000b99d0000RRE",
esta_2 = "0000b24a0000RRE",
esxtr_2 = "0000b3ef0000RRE",
ex_2 = "000044000000RX-a",
exrl_2 = "c60000000000RIL-b",
fidr_2 = "0000b37f0000RRE",
fier_2 = "0000b3770000RRE",
fixr_2 = "0000b3670000RRE",
flogr_2 = "0000b9830000RRE",
hdr_2 = "000000002400RR",
her_2 = "000000003400RR",
iac_2 = "0000b2240000RRE",
ic_2 = "000043000000RX-a",
icm_3 = "0000bf000000RS-b",
icmh_3 = "eb0000000080RSY-b",
icmy_3 = "eb0000000081RSY-b",
icy_2 = "e30000000073RXY-a",
iihf_2 = "c00800000000RIL-a",
iihh_2 = "0000a5000000RI-a",
iihl_2 = "0000a5010000RI-a",
iilf_2 = "c00900000000RIL-a",
iilh_2 = "0000a5020000RI-a",
iill_2 = "0000a5030000RI-a",
ipm_2 = "0000b2220000RRE",
iske_2 = "0000b2290000RRE",
ivsk_2 = "0000b2230000RRE",
kdbr_2 = "0000b3180000RRE",
kdtr_2 = "0000b3e00000RRE",
kebr_2 = "0000b3080000RRE",
kimd_2 = "0000b93e0000RRE",
klmd_2 = "0000b93f0000RRE",
km_2 = "0000b92e0000RRE",
kmac_2 = "0000b91e0000RRE",
kmc_2 = "0000b92f0000RRE",
kmf_2 = "0000b92a0000RRE",
kmo_2 = "0000b92b0000RRE",
kxbr_2 = "0000b3480000RRE",
kxtr_2 = "0000b3e80000RRE",
l_2 = "000058000000RX-a",
la_2 = "000041000000RX-a",
laa_3 = "eb00000000f8RSY-a",
laag_3 = "eb00000000e8RSY-a",
laal_3 = "eb00000000faRSY-a",
laalg_3 = "eb00000000eaRSY-a",
lae_2 = "000051000000RX-a",
laey_2 = "e30000000075RXY-a",
lam_3 = "00009a000000RS-a",
lamy_3 = "eb000000009aRSY-a",
lan_3 = "eb00000000f4RSY-a",
lang_3 = "eb00000000e4RSY-a",
lao_3 = "eb00000000f6RSY-a",
laog_3 = "eb00000000e6RSY-a",
larl_2 = "c00000000000RIL-b",
lax_3 = "eb00000000f7RSY-a",
laxg_3 = "eb00000000e7RSY-a",
lay_2 = "e30000000071RXY-a",
lb_2 = "e30000000076RXY-a",
lbh_2 = "e300000000c0RXY-a",
lbr_2 = "0000b9260000RRE",
lcdbr_2 = "0000b3130000RRE",
lcdfr_2 = "0000b3730000RRE",
lcdr_2 = "000000002300RR",
lcebr_2 = "0000b3030000RRE",
lcer_2 = "000000003300RR",
lcgfr_2 = "0000b9130000RRE",
lcgr_2 = "0000b9030000RRE",
lcr_2 = "000000001300RR",
lctl_3 = "0000b7000000RS-a",
lctlg_3 = "eb000000002fRSY-a",
lcxbr_2 = "0000b3430000RRE",
lcxr_2 = "0000b3630000RRE",
ld_2 = "000068000000RX-a",
ldebr_2 = "0000b3040000RRE",
lder_2 = "0000b3240000RRE",
ldgr_2 = "0000b3c10000RRE",
ldr_2 = "000000002800RR",
ldxbr_2 = "0000b3450000RRE",
ldxr_2 = "000000002500RR",
ldy_2 = "ed0000000065RXY-a",
le_2 = "000078000000RX-a",
ledbr_2 = "0000b3440000RRE",
ledr_2 = "000000003500RR",
ler_2 = "000000003800RR",
lexbr_2 = "0000b3460000RRE",
lexr_2 = "0000b3660000RRE",
ley_2 = "ed0000000064RXY-a",
lfh_2 = "e300000000caRXY-a",
lg_2 = "e30000000004RXY-a",
lgb_2 = "e30000000077RXY-a",
lgbr_2 = "0000b9060000RRE",
lgdr_2 = "0000b3cd0000RRE",
lgf_2 = "e30000000014RXY-a",
lgfi_2 = "c00100000000RIL-a",
lgfr_2 = "0000b9140000RRE",
lgfrl_2 = "c40c00000000RIL-b",
lgh_2 = "e30000000015RXY-a",
lghi_2 = "0000a7090000RI-a",
lghr_2 = "0000b9070000RRE",
lghrl_2 = "c40400000000RIL-b",
lgr_2 = "0000b9040000RRE",
lgrl_2 = "c40800000000RIL-b",
lh_2 = "000048000000RX-a",
lhh_2 = "e300000000c4RXY-a",
lhi_2 = "0000a7080000RI-a",
lhr_2 = "0000b9270000RRE",
lhrl_2 = "c40500000000RIL-b",
lhy_2 = "e30000000078RXY-a",
llc_2 = "e30000000094RXY-a",
llch_2 = "e300000000c2RXY-a",
llcr_2 = "0000b9940000RRE",
llgc_2 = "e30000000090RXY-a",
llgcr_2 = "0000b9840000RRE",
llgf_2 = "e30000000016RXY-a",
llgfr_2 = "0000b9160000RRE",
llgfrl_2 = "c40e00000000RIL-b",
llgh_2 = "e30000000091RXY-a",
llghr_2 = "0000b9850000RRE",
llghrl_2 = "c40600000000RIL-b",
llgt_2 = "e30000000017RXY-a",
llgtr_2 = "0000b9170000RRE",
llh_2 = "e30000000095RXY-a",
llhh_2 = "e300000000c6RXY-a",
llhr_2 = "0000b9950000RRE",
llhrl_2 = "c40200000000RIL-b",
llihf_2 = "c00e00000000RIL-a",
llihh_2 = "0000a50c0000RI-a",
llihl_2 = "0000a50d0000RI-a",
llilf_2 = "c00f00000000RIL-a",
llilh_2 = "0000a50e0000RI-a",
llill_2 = "0000a50f0000RI-a",
lm_3 = "000098000000RS-a",
lmg_3 = "eb0000000004RSY-a",
lmh_3 = "eb0000000096RSY-a",
lmy_3 = "eb0000000098RSY-a",
lndbr_2 = "0000b3110000RRE",
lndfr_2 = "0000b3710000RRE",
lndr_2 = "000000002100RR",
lnebr_2 = "0000b3010000RRE",
lner_2 = "000000003100RR",
lngfr_2 = "0000b9110000RRE",
lngr_2 = "0000b9010000RRE",
lnr_2 = "000000001100RR",
lnxbr_2 = "0000b3410000RRE",
lnxr_2 = "0000b3610000RRE",
loc_3 = "eb00000000f2RSY-b",
locg_3 = "eb00000000e2RSY-b",
lpdbr_2 = "0000b3100000RRE",
lpdfr_2 = "0000b3700000RRE",
lpdr_2 = "000000002000RR",
lpebr_2 = "0000b3000000RRE",
lper_2 = "000000003000RR",
lpgfr_2 = "0000b9100000RRE",
lpgr_2 = "0000b9000000RRE",
lpq_2 = "e3000000008fRXY-a",
lpr_2 = "000000001000RR",
lpxbr_2 = "0000b3400000RRE",
lpxr_2 = "0000b3600000RRE",
lr_2 = "000000001800RR",
lra_2 = "0000b1000000RX-a",
lrag_2 = "e30000000003RXY-a",
lray_2 = "e30000000013RXY-a",
lrdr_2 = "000000002500RR",
lrer_2 = "000000003500RR",
lrl_2 = "c40d00000000RIL-b",
lrv_2 = "e3000000001eRXY-a",
lrvg_2 = "e3000000000fRXY-a",
lrvgr_2 = "0000b90f0000RRE",
lrvh_2 = "e3000000001fRXY-a",
lrvr_2 = "0000b91f0000RRE",
lt_2 = "e30000000012RXY-a",
ltdbr_2 = "0000b3120000RRE",
ltdr_2 = "000000002200RR",
ltdtr_2 = "0000b3d60000RRE",
ltebr_2 = "0000b3020000RRE",
lter_2 = "000000003200RR",
ltg_2 = "e30000000002RXY-a",
ltgf_2 = "e30000000032RXY-a",
ltgfr_2 = "0000b9120000RRE",
ltgr_2 = "0000b9020000RRE",
ltr_2 = "000000001200RR",
ltxbr_2 = "0000b3420000RRE",
ltxr_2 = "0000b3620000RRE",
ltxtr_2 = "0000b3de0000RRE",
lura_2 = "0000b24b0000RRE",
lurag_2 = "0000b9050000RRE",
lxdbr_2 = "0000b3050000RRE",
lxdr_2 = "0000b3250000RRE",
lxebr_2 = "0000b3060000RRE",
lxer_2 = "0000b3260000RRE",
lxr_2 = "0000b3650000RRE",
ly_2 = "e30000000058RXY-a",
lzdr_2 = "0000b3750000RRE",
lzer_2 = "0000b3740000RRE",
lzxr_2 = "0000b3760000RRE",
m_2 = "00005c000000RX-a",
madb_3 = "ed000000001eRXF",
maeb_3 = "ed000000000eRXF",
maebr_3 = "0000b30e0000RRD",
maer_3 = "0000b32e0000RRD",
md_2 = "00006c000000RX-a",
mdb_2 = "ed000000001cRXE",
mdbr_2 = "0000b31c0000RRE",
mde_2 = "00007c000000RX-a",
mdeb_2 = "ed000000000cRXE",
mdebr_2 = "0000b30c0000RRE",
mder_2 = "000000003c00RR",
mdr_2 = "000000002c00RR",
me_2 = "00007c000000RX-a",
meeb_2 = "ed0000000017RXE",
meebr_2 = "0000b3170000RRE",
meer_2 = "0000b3370000RRE",
mer_2 = "000000003c00RR",
mfy_2 = "e3000000005cRXY-a",
mghi_2 = "0000a70d0000RI-a",
mh_2 = "00004c000000RX-a",
mhi_2 = "0000a70c0000RI-a",
mhy_2 = "e3000000007cRXY-a",
ml_2 = "e30000000096RXY-a",
mlg_2 = "e30000000086RXY-a",
mlgr_2 = "0000b9860000RRE",
mlr_2 = "0000b9960000RRE",
mr_2 = "000000001c00RR",
ms_2 = "000071000000RX-a",
msfi_2 = "c20100000000RIL-a",
msg_2 = "e3000000000cRXY-a",
msgf_2 = "e3000000001cRXY-a",
msgfi_2 = "c20000000000RIL-a",
msgfr_2 = "0000b91c0000RRE",
msgr_2 = "0000b90c0000RRE",
msr_2 = "0000b2520000RRE",
msta_2 = "0000b2470000RRE",
msy_2 = "e30000000051RXY-a",
mvc_2 = "d20000000000SS-a",
mvcin_2 = "e80000000000SS-a",
mvcl_2 = "000000000e00RR",
mvcle_3 = "0000a8000000RS-a",
mvclu_3 = "eb000000008eRSY-a",
mvghi_2 = "e54800000000SIL",
mvhhi_2 = "e54400000000SIL",
mvhi_2 = "e54c00000000SIL",
mvi_2 = "000092000000SI",
mvn_2 = "d10000000000SS-a",
mvpg_2 = "0000b2540000RRE",
mvst_2 = "0000b2550000RRE",
mvz_2 = "d30000000000SS-a",
mxbr_2 = "0000b34c0000RRE",
mxd_2 = "000067000000RX-a",
mxdb_2 = "ed0000000007RXE",
mxdbr_2 = "0000b3070000RRE",
mxdr_2 = "000000002700RR",
mxr_2 = "000000002600RR",
n_2 = "000054000000RX-a",
nc_2 = "d40000000000SS-a",
ng_2 = "e30000000080RXY-a",
ngr_2 = "0000b9800000RRE",
ni_2 = "000094000000SI",
nihf_2 = "c00a00000000RIL-a",
nihh_2 = "0000a5040000RI-a",
nihl_2 = "0000a5050000RI-a",
nilf_2 = "c00b00000000RIL-a",
nilh_2 = "0000a5060000RI-a",
nill_2 = "0000a5070000RI-a",
nr_2 = "000000001400RR",
ny_2 = "e30000000054RXY-a",
o_2 = "000056000000RX-a",
oc_2 = "d60000000000SS-a",
og_2 = "e30000000081RXY-a",
ogr_2 = "0000b9810000RRE",
oi_2 = "000096000000SI",
oihf_2 = "c00c00000000RIL-a",
oihh_2 = "0000a5080000RI-a",
oihl_2 = "0000a5090000RI-a",
oilf_2 = "c00d00000000RIL-a",
oilh_2 = "0000a50a0000RI-a",
oill_2 = "0000a50b0000RI-a",
or_2 = "000000001600RR",
oy_2 = "e30000000056RXY-a",
palb_2 = "0000b2480000RRE",
pcc_2 = "0000b92c0000RRE",
pckmo_2 = "0000b9280000RRE",
pfd_2 = "e30000000036m",
pfdrl_2 = "c60200000000RIL-c",
pfmf_2 = "0000b9af0000RRE",
pgin_2 = "0000b22e0000RRE",
pgout_2 = "0000b22f0000RRE",
popcnt_2 = "0000b9e10000RRE",
pt_2 = "0000b2280000RRE",
ptf_2 = "0000b9a20000RRE",
pti_2 = "0000b99e0000RRE",
rll_3 = "eb000000001dRSY-a",
rllg_3 = "eb000000001cRSY-a",
rrbe_2 = "0000b22a0000RRE",
rrbm_2 = "0000b9ae0000RRE",
s_2 = "00005b000000RX-a",
sar_2 = "0000b24e0000RRE",
sd_2 = "00006b000000RX-a",
sdb_2 = "ed000000001bRXE",
sdbr_2 = "0000b31b0000RRE",
sdr_2 = "000000002b00RR",
se_2 = "00007b000000RX-a",
seb_2 = "ed000000000bRXE",
sebr_2 = "0000b30b0000RRE",
ser_2 = "000000003b00RR",
sfasr_2 = "0000b3850000RRE",
sfpc_2 = "0000b3840000RRE",
sg_2 = "e30000000009RXY-a",
sgf_2 = "e30000000019RXY-a",
sgfr_2 = "0000b9190000RRE",
sgr_2 = "0000b9090000RRE",
sh_2 = "00004b000000RX-a",
shy_2 = "e3000000007bRXY-a",
sl_2 = "00005f000000RX-a",
sla_2 = "00008b000000RS-a",
slag_3 = "eb000000000bRSY-a",
slak_3 = "eb00000000ddRSY-a",
slb_2 = "e30000000099RXY-a",
slbg_2 = "e30000000089RXY-a",
slbgr_2 = "0000b9890000RRE",
slbr_2 = "0000b9990000RRE",
slda_2 = "00008f000000RS-a",
sldl_2 = "00008d000000RS-a",
slfi_2 = "c20500000000RIL-a",
slg_2 = "e3000000000bRXY-a",
slgf_2 = "e3000000001bRXY-a",
slgfi_2 = "c20400000000RIL-a",
slgfr_2 = "0000b91b0000RRE",
slgr_2 = "0000b90b0000RRE",
sll_2 = "000089000000RS-a",
sllg_3 = "eb000000000dRSY-a",
sllk_3 = "eb00000000dfRSY-a",
slr_2 = "000000001f00RR",
sly_2 = "e3000000005fRXY-a",
spm_2 = "000000000400RR",
sqdb_2 = "ed0000000015RXE",
sqdbr_2 = "0000b3150000RRE",
sqdr_2 = "0000b2440000RRE",
sqeb_2 = "ed0000000014RXE",
sqebr_2 = "0000b3140000RRE",
sqer_2 = "0000b2450000RRE",
sqxbr_2 = "0000b3160000RRE",
sqxr_2 = "0000b3360000RRE",
sr_2 = "000000001b00RR",
sra_2 = "00008a000000RS-a",
srag_3 = "eb000000000aRSY-a",
srak_3 = "eb00000000dcRSY-a",
srda_2 = "00008e000000RS-a",
srdl_2 = "00008c000000RS-a",
srl_2 = "000088000000RS-a",
srlg_3 = "eb000000000cRSY-a",
srlk_3 = "eb00000000deRSY-a",
srst_2 = "0000b25e0000RRE",
srstu_2 = "0000b9be0000RRE",
ssair_2 = "0000b99f0000RRE",
ssar_2 = "0000b2250000RRE",
st_2 = "000050000000RX-a",
stam_3 = "00009b000000RS-a",
stamy_3 = "eb000000009bRSY-a",
stc_2 = "000042000000RX-a",
stch_2 = "e300000000c3RXY-a",
stcm_3 = "0000be000000RS-b",
stcmh_3 = "eb000000002cRSY-b",
stcmy_3 = "eb000000002dRSY-b",
stctg_3 = "eb0000000025RSY-a",
stctl_3 = "0000b6000000RS-a",
stcy_2 = "e30000000072RXY-a",
std_2 = "000060000000RX-a",
stdy_2 = "ed0000000067RXY-a",
ste_2 = "000070000000RX-a",
stey_2 = "ed0000000066RXY-a",
stfh_2 = "e300000000cbRXY-a",
stfl_1 = "0000b2b10000S",
stg_2 = "e30000000024RXY-a",
stgrl_2 = "c40b00000000RIL-b",
sth_2 = "000040000000RX-a",
sthh_2 = "e300000000c7RXY-a",
sthrl_2 = "c40700000000RIL-b",
sthy_2 = "e30000000070RXY-a",
stm_3 = "000090000000RS-a",
stmg_3 = "eb0000000024RSY-a",
stmh_3 = "eb0000000026RSY-a",
stmy_3 = "eb0000000090RSY-a",
stoc_3 = "eb00000000f3RSY-b",
stocg_3 = "eb00000000e3RSY-b",
stpq_2 = "e3000000008eRXY-a",
strl_2 = "c40f00000000RIL-b",
strv_2 = "e3000000003eRXY-a",
strvg_2 = "e3000000002fRXY-a",
strvh_2 = "e3000000003fRXY-a",
stura_2 = "0000b2460000RRE",
sturg_2 = "0000b9250000RRE",
sty_2 = "e30000000050RXY-a",
su_2 = "00007f000000RX-a",
sur_2 = "000000003f00RR",
svc_1 = "000000000a00I",
sw_2 = "00006f000000RX-a",
swr_2 = "000000002f00RR",
sxbr_2 = "0000b34b0000RRE",
sxr_2 = "000000003700RR",
sy_2 = "e3000000005bRXY-a",
tar_2 = "0000b24c0000RRE",
tb_2 = "0000b22c0000RRE",
thder_2 = "0000b3580000RRE",
thdr_2 = "0000b3590000RRE",
tm_2 = "000091000000SI",
tmhh_2 = "0000a7020000RI-a",
tmhl_2 = "0000a7030000RI-a",
tmlh_2 = "0000a7000000RI-a",
tmll_2 = "0000a7010000RI-a",
tmy_2 = "eb0000000051SIY",
tr_2 = "dc0000000000SS-a",
trace_3 = "000099000000RS-a",
tracg_3 = "eb000000000fRSY-a",
tre_2 = "0000b2a50000RRE",
trt_2 = "dd0000000000SS-a",
trtr_2 = "d00000000000SS-a",
unpka_2 = "ea0000000000SS-a",
unpku_2 = "e20000000000SS-a",
x_2 = "000057000000RX-a",
xc_2 = "d70000000000SS-a",
xg_2 = "e30000000082RXY-a",
xgr_2 = "0000b9820000RRE",
xi_2 = "000097000000SI",
xihf_2 = "c00600000000RIL-a",
xilf_2 = "c00700000000RIL-a",
xr_2 = "000000001700RR",
xy_2 = "e30000000057RXY-a",
}
for cond, c in pairs(map_cond) do
-- Extended mnemonics for branches.
-- TODO: replace 'B' with correct encoding.
-- brc
map_op["j"..cond.."_1"] = "0000"..tohex(0xa7040000+shl(c, 20)).."RI-c"
-- brcl
map_op["jg"..cond.."_1"] = tohex(0xc0040000+shl(c, 20)).."0000".."RIL-c"
-- bc
map_op["b"..cond.."_1"] = "0000"..tohex(0x47000000+shl(c, 20)).."RX-b"
-- bcr
map_op["b"..cond.."r_1"] = "0000"..tohex(0x0700+shl(c, 4)).."RR"
end
------------------------------------------------------------------------------
-- Handle opcodes defined with template strings.
local function parse_template(params, template, nparams, pos)
-- Read the template in 16-bit chunks.
-- Leading halfword zeroes should not be written out.
local op0 = tonumber(sub(template, 1, 4), 16)
local op1 = tonumber(sub(template, 5, 8), 16)
local op2 = tonumber(sub(template, 9, 12), 16)
-- Process each character.
local p = sub(template, 13)
if p == "I" then
local imm_val, a = parse_imm8(params[1])
op2 = op2 + imm_val
wputhw(op2)
if a then a() end
elseif p == "RI-a" then
op1 = op1 + shl(parse_reg(params[1]), 4)
wputhw(op1)
parse_imm16(params[2])
elseif p == "RI-b" then
op1 = op1 + shl(parse_reg(params[1]), 4)
wputhw(op1)
local mode, n, s = parse_label(params[2])
waction("REL_"..mode, n, s)
elseif p == "RI-c" then
if #params > 1 then
op1 = op1 + shl(parse_num(params[1]), 4)
end
wputhw(op1)
local mode, n, s = parse_label(params[#params])
waction("REL_"..mode, n, s)
elseif p == "RIE-e" then
op0 = op0 + shl(parse_reg(params[1]), 4) + parse_reg(params[2])
wputhw1(op0)
local mode, n, s = parse_label(params[3])
waction("REL_"..mode, n, s)
wputhw(op2)
elseif p == "RIL-a" then
op0 = op0 + shl(parse_reg(params[1]), 4)
wputhw(op0);
parse_imm32(params[2])
elseif p == "RIL-b" then
op0 = op0 + shl(parse_reg(params[1]), 4)
wputhw(op0)
local mode, n, s = parse_label(params[2])
waction("REL_"..mode, n, s)
elseif p == "RIL-c" then
if #params > 1 then
op0 = op0 + shl(parse_num(params[1]), 4)
end
wputhw(op0)
local mode, n, s = parse_label(params[#params])
waction("REL_"..mode, n, s)
elseif p == "RR" then
if #params > 1 then
op2 = op2 + shl(parse_reg(params[1]), 4)
end
op2 = op2 + parse_reg(params[#params])
wputhw(op2)
elseif p == "RRD" then
wputhw(op1)
op2 = op2 + shl(parse_reg(params[1]), 12) + shl(parse_reg(params[2]), 4) + parse_reg(params[3])
wputhw(op2)
elseif p == "RRE" then
op2 = op2 + shl(parse_reg(params[1]), 4) + parse_reg(params[2])
wputhw(op1); wputhw(op2)
elseif p == "RRF-b" then
wputhw(op1)
op2 = op2 + shl(parse_reg(params[1]), 4) + shl(parse_reg(params[2]), 12) + parse_reg(params[3]) + shl(parse_mask(params[4]), 8)
wputhw(op2)
elseif p == "RRF-e" then
wputhw(op1)
op2 = op2 + shl(parse_reg(params[1]), 4) + shl(parse_mask(params[2]), 12) + parse_reg(params[3])
if params[4] then
op2 = op2 + shl(parse_mask2(params[4]), 8)
end
wputhw(op2)
elseif p == "RS-a" then
if (params[3]) then
local d, b, a = parse_mem_b(params[3])
op1 = op1 + shl(parse_reg(params[1]), 4) + parse_reg(params[2])
op2 = op2 + shl(b, 12) + d
else
local d, b, a = parse_mem_b(params[2])
op1 = op1 + shl(parse_reg(params[1]), 4)
op2 = op2 + shl(b, 12) + d
end
wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "RS-b" then
local m = parse_mask(params[2])
local d, b, a = parse_mem_b(params[3])
op1 = op1 + shl(parse_reg(params[1]), 4) + m
op2 = op2 + shl(b, 12) + d
wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "RSI" then
op1 = op1 + shl(parse_reg(params[1]), 4) + parse_reg(params[2])
wputhw(op1)
local mode, n, s = parse_label(params[3])
waction("REL_"..mode, n, s)
elseif p == "RSY-a" then
local d, b, a = parse_mem_by(params[3])
op0 = op0 + shl(parse_reg(params[1]), 4) + parse_reg(params[2])
op1 = op1 + shl(b, 12) + band(d, 0xfff)
op2 = op2 + band(shr(d, 4), 0xff00)
wputhw(op0); wputhw(op1); wputhw(op2)
if a then a() end -- a() emits action.
elseif p == "RX-a" then
local d, x, b, a = parse_mem_bx(params[2])
op1 = op1 + shl(parse_reg(params[1]), 4) + x
op2 = op2 + shl(b, 12) + d
wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "RX-b" then
local d, x, b, a = parse_mem_bx(params[#params])
if #params > 1 then
op1 = op1 + shl(parse_num(params[1]), 4)
end
op1 = op1 + x
op2 = op2 + shl(b, 12) + d
wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "RXE" then
local d, x, b, a = parse_mem_bx(params[2])
op0 = op0 + shl(parse_reg(params[1]), 4) + x
op1 = op1 + shl(b, 12) + d
wputhw(op0); wputhw(op1)
if a then a() end
wputhw(op2);
elseif p == "RXF" then
local d, x, b, a = parse_mem_bx(params[3])
op0 = op0 + shl(parse_reg(params[2]), 4) + x
op1 = op1 + shl(b, 12) + d
wputhw(op0); wputhw(op1)
if a then a() end
op2 = op2 + shl(parse_reg(params[1]), 12)
wputhw(op2)
elseif p == "RXY-a" then
local d, x, b, a = parse_mem_bxy(params[2])
op0 = op0 + shl(parse_reg(params[1]), 4) + x
op1 = op1 + shl(b, 12) + band(d, 0xfff)
op2 = op2 + band(shr(d, 4), 0xff00)
wputhw(op0); wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "S" then
wputhw(op1);
local d, b, a = parse_mem_b(params[1])
op2 = op2 + shl(b, 12) + d
wputhw(op2)
if a then a() end
elseif p == "SI" then
local imm_val, a = parse_imm8(params[2])
op1 = op1 + imm_val
wputhw(op1)
if a then a() end
local d, b, a = parse_mem_b(params[1])
op2 = op2 + shl(b, 12) + d
wputhw(op2)
if a then a() end
elseif p == "SIL" then
wputhw(op0)
local d, b, a = parse_mem_b(params[1])
op1 = op1 + shl(b, 12) + d
wputhw(op1)
if a then a() end
parse_imm16(params[2])
elseif p == "SIY" then
local imm8, iact = parse_imm8(params[2])
op0 = op0 + shl(imm8, 8)
wputhw(op0)
if iact then iact() end
local d, b, a = parse_mem_by(params[1])
op1 = op1 + shl(b, 12) + band(d, 0xfff)
op2 = op2 + band(shr(d, 4), 0xff00)
wputhw(op1); wputhw(op2)
if a then a() end
elseif p == "SS-a" then
local d1, l1, b1, d1a, l1a = parse_mem_lb(params[1])
local d2, b2, d2a = parse_mem_b(params[2])
op0 = op0 + l1
op1 = op1 + shl(b1, 12) + d1
op2 = op2 + shl(b2, 12) + d2
wputhw(op0)
if l1a then l1a() end
wputhw(op1)
if d1a then d1a() end
wputhw(op2)
if d2a then d2a() end
elseif p == "SS-b" then
local high_l = true
local d1, l1, b1, d1a, l1a = parse_mem_l2b(params[1], high_l)
high_l = false
local d2, l2, b2, d2a, l2a = parse_mem_l2b(params[2], high_l)
op0 = op0 + shl(l1, 4) + l2
op1 = op1 + shl(b1, 12) + d1
op2 = op2 + shl(b2, 12) + d2
wputhw(op0)
if l1a then l1a() end
if l2a then l2a() end
wputhw(op1)
if d1a then d1a() end
wputhw(op2)
if d2a then d2a() end
else
werror("unrecognized encoding")
end
end
function op_template(params, template, nparams)
if not params then return template:gsub("%x%x%x%x%x%x%x%x%x%x%x%x", "") end
-- Limit number of section buffer positions used by a single dasm_put().
-- A single opcode needs a maximum of 5 positions.
if secpos+5 > maxsecpos then wflush() end
local lpos, apos, spos = #actlist, #actargs, secpos
local ok, err
for t in gmatch(template, "[^|]+") do
ok, err = pcall(parse_template, params, t, nparams)
if ok then return end
secpos = spos
actlist[lpos+1] = nil
actlist[lpos+2] = nil
actlist[lpos+3] = nil
actargs[apos+1] = nil
actargs[apos+2] = nil
actargs[apos+3] = nil
end
error(err, 0)
end
map_op[".template__"] = op_template
------------------------------------------------------------------------------
-- 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 halfword 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
------------------------------------------------------------------------------
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