mirror of
https://github.com/drasko/codezero.git
synced 2026-01-12 02:43:15 +01:00
37 lines
914 B
Python
37 lines
914 B
Python
#! /usr/bin/env python2.6
|
|
# -*- mode: python; coding: utf-8; -*-
|
|
#
|
|
# Codezero -- Virtualization microkernel for embedded systems.
|
|
#
|
|
# Copyright © 2009 B Labs Ltd
|
|
#
|
|
import os, sys
|
|
from optparse import OptionParser
|
|
from os.path import join
|
|
from os import path
|
|
import elf, sys
|
|
|
|
def conv_hex(val):
|
|
hexval = hex(val)
|
|
if hexval[-1:] == 'L':
|
|
hexval = hexval[:-1]
|
|
return hexval
|
|
|
|
def next_available_lma(srcfile):
|
|
elffile = elf.ElfFile.from_file(srcfile)
|
|
paddr_max = 0
|
|
p_align = 0
|
|
for pheader in elffile.pheaders:
|
|
x = pheader.ai
|
|
if str(x.p_type) == "LOAD":
|
|
paddr = x.p_paddr + x.p_memsz
|
|
p_align = x.p_align
|
|
if paddr > paddr_max:
|
|
paddr_max = paddr
|
|
|
|
paddr_aligned = paddr_max & ~(p_align.value - 1)
|
|
if paddr_max & (p_align.value - 1):
|
|
paddr_aligned += p_align.value
|
|
return conv_hex(paddr_aligned)
|
|
|