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Encapsulating Linux Image binary in elf

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This commit is contained in:
Amit Mahajan
2009-10-13 12:15:10 +05:30
parent 2caf0478d8
commit 2625d5e871
2 changed files with 22 additions and 5 deletions
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23
scripts/linux/build_linux.py
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@@ -36,6 +36,15 @@ class LinuxBuilder:
self.LINUX_KERNEL_BUILDDIR = \
source_to_builddir(LINUX_KERNELDIR, container.id)
self.linux_lds_in = join(self.LINUX_KERNELDIR, "linux.lds.in")
self.linux_lds_out = join(self.LINUX_KERNEL_BUILDDIR, "linux.lds")
self.linux_S_in = join(self.LINUX_KERNELDIR, "linux.S.in")
self.linux_S_out = join(self.LINUX_KERNEL_BUILDDIR, "linux.S")
self.linux_elf_out = join(self.LINUX_KERNEL_BUILDDIR, "linux.elf")
self.kernel_binary_image = \
join(os.path.relpath(self.LINUX_KERNEL_BUILDDIR, LINUX_KERNELDIR), \
"arch/arm/boot/Image")
self.kernel_image = None
def build_linux(self):
@@ -48,10 +57,18 @@ class LinuxBuilder:
"CROSS_COMPILE=arm-none-linux-gnueabi- O=" + \
self.LINUX_KERNEL_BUILDDIR)
with open(self.linux_S_in, 'r') as input:
with open(self.linux_S_out, 'w+') as output:
content = input.read() % self.kernel_binary_image
output.write(content)
os.system("arm-none-linux-gnueabi-cpp -P " + \
"%s > %s" % (self.linux_lds_in, self.linux_lds_out))
os.system("arm-none-linux-gnueabi-gcc -nostdlib -o %s -T%s %s" % \
(self.linux_elf_out, self.linux_lds_out, self.linux_S_out))
# Get the kernel image path
self.kernel_image = \
join(self.LINUX_KERNEL_BUILDDIR, \
'arch/arm/boot/compressed/vmlinux')
self.kernel_image = self.linux_elf_out
print 'Done...'