rockbox/utils/hwstub/tools/lua/hwlib.lua
Marcin Bukat e99c036ed1 hwstub_shell: add support for call and jump
Change-Id: Ie09d0db21831b79255da858bada7382a08ff4eef
Reviewed-on: http://gerrit.rockbox.org/1052
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
Tested: Marcin Bukat <marcin.bukat@gmail.com>
2014-11-28 19:38:02 +01:00

27 lines
919 B
Lua

HWLIB = {}
local h = HELP:create_topic("HWLIB")
h:add("This table contains helper functions for use inside hwstub_shell")
local hh = h:create_topic("load_blob")
hh:add("load_blob(filename, address) -- this function loads raw binary blob from the file filename")
hh:add(" at specified address in memory. No cache coherency is")
hh:add(" guaranteed")
hh = h:create_topic("printf")
hh:add("printf(s,...) -- this function is simple wrapper around string.format to emulate")
hh:add(" C printf() function")
function HWLIB.load_blob(filename, address)
local f = assert(io.open(filename, "rb"))
local bytes = f:read("*all")
for b in string.gmatch(bytes, ".") do
DEV.write8(address, string.byte(b))
address = address + 1
end
io.close(f)
end
function HWLIB.printf(s,...)
return io.write(s:format(...))
end