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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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4
scripts/kernel/generate_kernel_cinfo.py
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@@ -170,8 +170,8 @@ pager_ifdefs_todotext = \
pager_ifdefs = \ pager_ifdefs = \
''' '''
#if defined(CONFIG_CONT%(cn)d_TYPE_LINUX) #if defined(CONFIG_CONT%(cn)d_TYPE_LINUX)
#define CONFIG_CONT%(cn)d_PAGER_LMA (CONFIG_CONT%(cn)d_LINUX_PHYS_OFFSET + CONFIG_CONT%(cn)d_LINUX_TEXT_OFFSET) #define CONFIG_CONT%(cn)d_PAGER_LMA (CONFIG_CONT%(cn)d_LINUX_PHYS_OFFSET)
#define CONFIG_CONT%(cn)d_PAGER_VMA (CONFIG_CONT%(cn)d_LINUX_PAGE_OFFSET + CONFIG_CONT%(cn)d_LINUX_TEXT_OFFSET) #define CONFIG_CONT%(cn)d_PAGER_VMA (CONFIG_CONT%(cn)d_LINUX_PAGE_OFFSET)
#define CONFIG_CONT%(cn)d_PAGER_SIZE CONFIG_CONT%(cn)d_LINUX_MAPSIZE #define CONFIG_CONT%(cn)d_PAGER_SIZE CONFIG_CONT%(cn)d_LINUX_MAPSIZE
#endif #endif
''' '''

23
scripts/linux/build_linux.py
View File

@@ -36,6 +36,15 @@ class LinuxBuilder:
self.LINUX_KERNEL_BUILDDIR = \ self.LINUX_KERNEL_BUILDDIR = \
source_to_builddir(LINUX_KERNELDIR, container.id) 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 self.kernel_image = None
def build_linux(self): def build_linux(self):
@@ -48,10 +57,18 @@ class LinuxBuilder:
"CROSS_COMPILE=arm-none-linux-gnueabi- O=" + \ "CROSS_COMPILE=arm-none-linux-gnueabi- O=" + \
self.LINUX_KERNEL_BUILDDIR) 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 # Get the kernel image path
self.kernel_image = \ self.kernel_image = self.linux_elf_out
join(self.LINUX_KERNEL_BUILDDIR, \
'arch/arm/boot/compressed/vmlinux')
print 'Done...' print 'Done...'