mirror of
https://github.com/notwa/mm
synced 2024-11-05 03:39:02 -08:00
107 lines
3.3 KiB
Lua
107 lines
3.3 KiB
Lua
package.path = package.path..";./?/init.lua"
|
|
|
|
local assemble = require "lips"
|
|
local cereal = require "serialize"
|
|
local argparse = require "argparse"
|
|
|
|
local function lament(...)
|
|
io.stdout:write(...)
|
|
io.stdout:write('\n')
|
|
end
|
|
|
|
local function parsenum(s)
|
|
if s:sub(1, 2) == '0x' then
|
|
return tonumber(s, 16)
|
|
elseif s:sub(1, 1) == '0' then
|
|
return tonumber(s, 8)
|
|
else
|
|
return tonumber(s)
|
|
end
|
|
end
|
|
|
|
local function inject(args)
|
|
local offset = args.offset and parsenum(args.offset) or 0
|
|
local origin = args.origin and parsenum(args.origin) or 0
|
|
local base = args.base and parsenum(args.base) or 0x80000000
|
|
|
|
local f = io.open(args.output, 'r+b')
|
|
if not f then
|
|
lament("file not found:", args.output)
|
|
return
|
|
end
|
|
|
|
local state = {}
|
|
for _, import in ipairs(args.import) do
|
|
local new_state = cereal.deserialize(import)
|
|
for k, v in pairs(new_state) do
|
|
state[k] = v
|
|
end
|
|
end
|
|
|
|
local function write(pos, b)
|
|
if args.extra_rom and args.extra_ram and pos >= args.extra_ram then
|
|
pos = pos - args.extra_ram + args.extra_rom
|
|
elseif pos >= offset then
|
|
pos = pos - offset
|
|
end
|
|
if pos >= 1024*1024*1024 then
|
|
lament("you probably don't want to do this:")
|
|
lament(("%08X %02X"):format(pos, b))
|
|
return
|
|
end
|
|
f:seek('set', pos)
|
|
|
|
f:write(string.char(b))
|
|
end
|
|
|
|
local options = {
|
|
unsafe = true,
|
|
labels = state,
|
|
debug_token = args.dump_token,
|
|
debug_pre = args.dump_pre,
|
|
debug_dump = args.dump_asm,
|
|
}
|
|
if args.offset then
|
|
if args.origin or args.base then
|
|
error('--offset is mutually exclusive from --origin, --base')
|
|
end
|
|
options.offset = offset
|
|
else
|
|
options.origin = origin
|
|
if args.origin or args.base then
|
|
options.base = base
|
|
else
|
|
options.base = 0
|
|
end
|
|
end
|
|
|
|
assemble(args.input, write, options)
|
|
|
|
if args.export then
|
|
cereal.serialize(args.export, state)
|
|
end
|
|
|
|
f:close()
|
|
end
|
|
|
|
local ap = argparse("patch", "patch a binary file with assembly")
|
|
|
|
-- TODO: option to dump hex or gs codes when no output is given
|
|
ap:argument("input", "input assembly file")
|
|
ap:argument("output", "output binary file")
|
|
ap:option("-o --offset", "(deprecated) offset to pass to lips", nil)
|
|
ap:option("-O --origin", "origin to pass to lips", nil):convert(parsenum)
|
|
ap:option("-b --base", "base to pass to lips", nil):convert(parsenum)
|
|
ap:option("-i --import", "import state file(s) containing labels"):count("*")
|
|
ap:option("-e --export", "export state file containing labels")
|
|
ap:flag("--dump-token", "(debug) dump statements to stdout after lexing")
|
|
ap:flag("--dump-pre", "(debug) dump statements to stdout after preprocessing")
|
|
ap:flag("--dump-asm", "(debug) dump statements to stdout after assembling")
|
|
--ap:option("-s --state", "--import and --export to this file")
|
|
-- TODO: replace this with a lua table import of associated addresses
|
|
ap:option("--extra-rom", "dumb stuff"):convert(parsenum)
|
|
ap:option("--extra-ram", "dumb stuff"):convert(parsenum)
|
|
|
|
local inject_args = ap:parse()
|
|
|
|
inject(inject_args)
|