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Edited linux scripts to generate elf from vmlinux, to be used by codezero

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This commit is contained in:
Amit Mahajan
2009-11-27 14:16:40 +05:30
parent 16b984510f
commit 846635f582
1 changed files with 9 additions and 29 deletions
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38
scripts/linux/build_linux.py
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@@ -163,21 +163,11 @@ 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_h_in = join(self.LINUX_KERNELDIR, "linux.h.in")
self.linux_h_out = join(self.LINUX_KERNEL_BUILDDIR, "linux.h")
self.linux_elf_out = join(self.LINUX_KERNEL_BUILDDIR, "linux.elf")
self.container = container
self.kernel_binary_image = \
join(os.path.relpath(self.LINUX_KERNEL_BUILDDIR, LINUX_KERNELDIR), \
"arch/arm/boot/Image")
self.kernel_image = None
"vmlinux")
self.kernel_image = join(self.LINUX_KERNEL_BUILDDIR, "linux.elf")
self.kernel_updater = LinuxUpdateKernel(self.container)
def build_linux(self, config):
@@ -195,24 +185,14 @@ class LinuxBuilder:
"CROSS_COMPILE=" + config.user_toolchain + " O=" + \
self.LINUX_KERNEL_BUILDDIR)
with open(self.linux_h_out, 'w+') as output:
with open(self.linux_h_in, 'r') as input:
output.write(input.read() % {'cn' : self.container.id})
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(config.user_toolchain + "cpp -I%s -P %s > %s" % \
(self.LINUX_KERNEL_BUILDDIR, self.linux_lds_in, \
self.linux_lds_out))
os.system(config.user_toolchain + "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 = self.linux_elf_out
# Generate kernel_image, elf to be used by codezero
linux_elf_gen_cmd = ("arm-none-linux-gnueabi-objcopy -R .note \
-R .note.gnu.build-id -R .comment -S --change-addresses " + \
str(conv_hex(-self.container.linux_page_offset + self.container.linux_phys_offset)) + \
" " + self.kernel_binary_image + " " + self.kernel_image)
#print cmd
os.system(linux_elf_gen_cmd)
print 'Done...'
def clean(self):