1226 lines
35 KiB
Lua
1226 lines
35 KiB
Lua
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------------------------------------------------------------------------------
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-- DynASM PPC module.
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--
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-- Copyright (C) 2005-2011 Mike Pall. All rights reserved.
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-- See dynasm.lua for full copyright notice.
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------------------------------------------------------------------------------
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-- Module information:
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local _info = {
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arch = "ppc",
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description = "DynASM PPC module",
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version = "1.3.0",
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vernum = 10300,
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release = "2011-05-05",
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author = "Mike Pall",
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license = "MIT",
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}
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-- Exported glue functions for the arch-specific module.
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local _M = { _info = _info }
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-- Cache library functions.
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local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs
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local assert, setmetatable = assert, setmetatable
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local _s = string
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local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char
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local match, gmatch = _s.match, _s.gmatch
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local concat, sort = table.concat, table.sort
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-- Inherited tables and callbacks.
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local g_opt, g_arch
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local wline, werror, wfatal, wwarn
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-- Action name list.
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-- CHECK: Keep this in sync with the C code!
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local action_names = {
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"STOP", "SECTION", "ESC", "REL_EXT",
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"ALIGN", "REL_LG", "LABEL_LG",
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"REL_PC", "LABEL_PC", "IMM",
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}
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-- Maximum number of section buffer positions for dasm_put().
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-- CHECK: Keep this in sync with the C code!
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local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines.
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-- Action name -> action number.
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local map_action = {}
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for n,name in ipairs(action_names) do
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map_action[name] = n-1
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end
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-- Action list buffer.
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local actlist = {}
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-- Argument list for next dasm_put(). Start with offset 0 into action list.
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local actargs = { 0 }
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-- Current number of section buffer positions for dasm_put().
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local secpos = 1
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------------------------------------------------------------------------------
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-- Return 8 digit hex number.
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local function tohex(x)
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return sub(format("%08x", x), -8) -- Avoid 64 bit portability problem in Lua.
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end
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-- Dump action names and numbers.
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local function dumpactions(out)
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out:write("DynASM encoding engine action codes:\n")
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for n,name in ipairs(action_names) do
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local num = map_action[name]
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out:write(format(" %-10s %02X %d\n", name, num, num))
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end
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out:write("\n")
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end
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-- Write action list buffer as a huge static C array.
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local function writeactions(out, name)
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local nn = #actlist
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if nn == 0 then nn = 1; actlist[0] = map_action.STOP end
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out:write("static const unsigned int ", name, "[", nn, "] = {\n")
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for i = 1,nn-1 do
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assert(out:write("0x", tohex(actlist[i]), ",\n"))
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end
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assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n"))
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end
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------------------------------------------------------------------------------
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-- Add word to action list.
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local function wputxw(n)
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assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range")
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actlist[#actlist+1] = n
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end
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-- Add action to list with optional arg. Advance buffer pos, too.
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local function waction(action, val, a, num)
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local w = assert(map_action[action], "bad action name `"..action.."'")
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wputxw(w * 0x10000 + (val or 0))
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if a then actargs[#actargs+1] = a end
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if a or num then secpos = secpos + (num or 1) end
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end
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-- Flush action list (intervening C code or buffer pos overflow).
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local function wflush(term)
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if #actlist == actargs[1] then return end -- Nothing to flush.
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if not term then waction("STOP") end -- Terminate action list.
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wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true)
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actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put().
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secpos = 1 -- The actionlist offset occupies a buffer position, too.
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end
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-- Put escaped word.
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local function wputw(n)
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if n <= 0xffffff then waction("ESC") end
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wputxw(n)
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end
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-- Reserve position for word.
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local function wpos()
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local pos = #actlist+1
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actlist[pos] = ""
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return pos
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end
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-- Store word to reserved position.
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local function wputpos(pos, n)
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assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range")
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actlist[pos] = n
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end
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------------------------------------------------------------------------------
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-- Global label name -> global label number. With auto assignment on 1st use.
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local next_global = 20
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local map_global = setmetatable({}, { __index = function(t, name)
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if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end
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local n = next_global
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if n > 2047 then werror("too many global labels") end
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next_global = n + 1
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t[name] = n
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return n
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end})
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-- Dump global labels.
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local function dumpglobals(out, lvl)
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local t = {}
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for name, n in pairs(map_global) do t[n] = name end
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out:write("Global labels:\n")
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for i=20,next_global-1 do
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out:write(format(" %s\n", t[i]))
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end
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out:write("\n")
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end
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-- Write global label enum.
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local function writeglobals(out, prefix)
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local t = {}
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for name, n in pairs(map_global) do t[n] = name end
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out:write("enum {\n")
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for i=20,next_global-1 do
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out:write(" ", prefix, t[i], ",\n")
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end
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out:write(" ", prefix, "_MAX\n};\n")
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end
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-- Write global label names.
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local function writeglobalnames(out, name)
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local t = {}
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for name, n in pairs(map_global) do t[n] = name end
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out:write("static const char *const ", name, "[] = {\n")
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for i=20,next_global-1 do
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out:write(" \"", t[i], "\",\n")
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end
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out:write(" (const char *)0\n};\n")
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end
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------------------------------------------------------------------------------
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-- Extern label name -> extern label number. With auto assignment on 1st use.
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local next_extern = 0
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local map_extern_ = {}
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local map_extern = setmetatable({}, { __index = function(t, name)
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-- No restrictions on the name for now.
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local n = next_extern
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if n > 2047 then werror("too many extern labels") end
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next_extern = n + 1
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t[name] = n
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map_extern_[n] = name
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return n
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end})
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-- Dump extern labels.
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local function dumpexterns(out, lvl)
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out:write("Extern labels:\n")
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for i=0,next_extern-1 do
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out:write(format(" %s\n", map_extern_[i]))
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end
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out:write("\n")
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end
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-- Write extern label names.
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local function writeexternnames(out, name)
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out:write("static const char *const ", name, "[] = {\n")
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for i=0,next_extern-1 do
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out:write(" \"", map_extern_[i], "\",\n")
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end
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out:write(" (const char *)0\n};\n")
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end
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------------------------------------------------------------------------------
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-- Arch-specific maps.
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local map_archdef = { sp = "r1" } -- Ext. register name -> int. name.
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local map_type = {} -- Type name -> { ctype, reg }
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local ctypenum = 0 -- Type number (for Dt... macros).
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-- Reverse defines for registers.
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function _M.revdef(s)
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if s == "r1" then return "sp" end
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return s
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end
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local map_cond = {
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lt = 0, gt = 1, eq = 2, so = 3,
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ge = 4, le = 5, ne = 6, ns = 7,
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}
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------------------------------------------------------------------------------
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-- Template strings for PPC instructions.
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local map_op = {
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tdi_3 = "08000000ARI",
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twi_3 = "0c000000ARI",
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mulli_3 = "1c000000RRI",
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subfic_3 = "20000000RRI",
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cmplwi_3 = "28000000XRU",
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cmplwi_2 = "28000000-RU",
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cmpldi_3 = "28200000XRU",
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cmpldi_2 = "28200000-RU",
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cmpwi_3 = "2c000000XRI",
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cmpwi_2 = "2c000000-RI",
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cmpdi_3 = "2c200000XRI",
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cmpdi_2 = "2c200000-RI",
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addic_3 = "30000000RRI",
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["addic._3"] = "34000000RRI",
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addi_3 = "38000000RR0I",
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li_2 = "38000000RI",
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la_2 = "38000000RD",
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addis_3 = "3c000000RR0I",
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lis_2 = "3c000000RI",
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lus_2 = "3c000000RU",
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bc_3 = "40000000AAK",
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bcl_3 = "40000001AAK",
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bdnz_1 = "42000000K",
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bdz_1 = "42400000K",
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sc_0 = "44000000",
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b_1 = "48000000J",
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bl_1 = "48000001J",
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rlwimi_5 = "50000000RR~AAA.",
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rlwinm_5 = "54000000RR~AAA.",
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rlwnm_5 = "5c000000RR~RAA.",
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ori_3 = "60000000RR~U",
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nop_0 = "60000000",
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oris_3 = "64000000RR~U",
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xori_3 = "68000000RR~U",
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xoris_3 = "6c000000RR~U",
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["andi._3"] = "70000000RR~U",
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["andis._3"] = "74000000RR~U",
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lwz_2 = "80000000RD",
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lwzu_2 = "84000000RD",
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lbz_2 = "88000000RD",
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lbzu_2 = "8c000000RD",
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stw_2 = "90000000RD",
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stwu_2 = "94000000RD",
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stb_2 = "98000000RD",
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stbu_2 = "9c000000RD",
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lhz_2 = "a0000000RD",
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lhzu_2 = "a4000000RD",
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lha_2 = "a8000000RD",
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lhau_2 = "ac000000RD",
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sth_2 = "b0000000RD",
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sthu_2 = "b4000000RD",
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lmw_2 = "b8000000RD",
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stmw_2 = "bc000000RD",
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lfs_2 = "c0000000FD",
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lfsu_2 = "c4000000FD",
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lfd_2 = "c8000000FD",
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lfdu_2 = "cc000000FD",
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stfs_2 = "d0000000FD",
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stfsu_2 = "d4000000FD",
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stfd_2 = "d8000000FD",
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stfdu_2 = "dc000000FD",
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ld_2 = "e8000000RD", -- NYI: displacement must be divisible by 4.
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ldu_2 = "e8000001RD",
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lwa_2 = "e8000002RD",
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std_2 = "f8000000RD",
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stdu_2 = "f8000001RD",
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-- Primary opcode 19:
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mcrf_2 = "4c000000XX",
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isync_0 = "4c00012c",
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crnor_3 = "4c000042CCC",
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crnot_2 = "4c000042CC=",
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crandc_3 = "4c000102CCC",
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crxor_3 = "4c000182CCC",
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crclr_1 = "4c000182C==",
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crnand_3 = "4c0001c2CCC",
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crand_3 = "4c000202CCC",
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creqv_3 = "4c000242CCC",
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crset_1 = "4c000242C==",
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crorc_3 = "4c000342CCC",
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cror_3 = "4c000382CCC",
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crmove_2 = "4c000382CC=",
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bclr_2 = "4c000020AA",
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bclrl_2 = "4c000021AA",
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bcctr_2 = "4c000420AA",
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bcctrl_2 = "4c000421AA",
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blr_0 = "4e800020",
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blrl_0 = "4e800021",
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bctr_0 = "4e800420",
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bctrl_0 = "4e800421",
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-- Primary opcode 31:
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cmpw_3 = "7c000000XRR",
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cmpw_2 = "7c000000-RR",
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cmpd_3 = "7c200000XRR",
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cmpd_2 = "7c200000-RR",
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tw_3 = "7c000008ARR",
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subfc_3 = "7c000010RRR.",
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subc_3 = "7c000010RRR~.",
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mulhdu_3 = "7c000012RRR.",
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addc_3 = "7c000014RRR.",
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mulhwu_3 = "7c000016RRR.",
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isel_4 = "7c00001eRRRC",
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isellt_3 = "7c00001eRRR",
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iselgt_3 = "7c00005eRRR",
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iseleq_3 = "7c00009eRRR",
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mfcr_1 = "7c000026R",
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-- NYI: mtcrf, mtocrf, mfocrf
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lwarx_3 = "7c000028RR0R",
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ldx_3 = "7c00002aRR0R",
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lwzx_3 = "7c00002eRR0R",
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slw_3 = "7c000030RR~R.",
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cntlzw_2 = "7c000034RR~",
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sld_3 = "7c000036RR~R.",
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and_3 = "7c000038RR~R.",
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cmplw_3 = "7c000040XRR",
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cmplw_2 = "7c000040-RR",
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cmpld_3 = "7c200040XRR",
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cmpld_2 = "7c200040-RR",
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|
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.",
|
||
|
|
mtfsf_1 = "fc00058eF.",
|
||
|
|
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.."l_1"] = tohex(0x40800001 + c1).."K"
|
||
|
|
map_op[b1.."_2"] = tohex(0x40800000 + 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 == "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
|
||
|
|
|
||
|
|
------------------------------------------------------------------------------
|
||
|
|
|