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Taking Linux's Rootfs address from user

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This commit is contained in:
Amit Mahajan
2009-10-14 00:27:58 +05:30
parent 86c3a7c176
commit e264544c00
3 changed files with 19 additions and 2 deletions
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3
config/cml/container_ruleset.template
View File

@@ -42,6 +42,7 @@ CONT%(cn)d_PAGER_UTCB_END 'Container %(cn)d UTCB Mappings Region End'
CONT%(cn)d_LINUX_ZRELADDR 'Container %(cn)d Linux ZRELADDR parameter'
CONT%(cn)d_LINUX_PAGE_OFFSET 'Container %(cn)d Linux PAGE_OFFSET Parameter'
CONT%(cn)d_LINUX_PHYS_OFFSET 'Container %(cn)d Linux PHYS_OFFSET Parameter'
CONT%(cn)d_LINUX_ROOTFS_ADDRESS 'Container %(cn)d Linux ROOTFS Address'
CONT%(cn)d_LINUX_MAPSIZE 'Container %(cn)d Linux Initial Kernel Map Size Parameter'
default CONT%(cn)d_PAGER_LMA from 0x0
@@ -56,6 +57,7 @@ default CONT%(cn)d_PAGER_UTCB_END from 0x0
default CONT%(cn)d_LINUX_ZRELADDR from 0x0
default CONT%(cn)d_LINUX_PAGE_OFFSET from 0x0
default CONT%(cn)d_LINUX_PHYS_OFFSET from 0x0
default CONT%(cn)d_LINUX_ROOTFS_ADDRESS from 0x0
default CONT%(cn)d_LINUX_MAPSIZE from 0x0
default CONT%(cn)d_VIRTMEM_REGIONS from 1
@@ -149,6 +151,7 @@ menu cont%(cn)d_linux_pager_params
CONT%(cn)d_LINUX_ZRELADDR@
CONT%(cn)d_LINUX_PAGE_OFFSET@
CONT%(cn)d_LINUX_PHYS_OFFSET@
CONT%(cn)d_LINUX_ROOTFS_ADDRESS@
CONT%(cn)d_LINUX_MAPSIZE@
menu cont%(cn)d_virtmem_list

3
config/configuration.py
View File

@@ -22,6 +22,7 @@ class Container:
self.linux_zreladdr = 0
self.linux_page_offset = 0
self.linux_phys_offset = 0
self.linux_rootfs_address = 0
self.linux_mapsize = 0
self.physmem = {}
self.physmem["START"] = {}
@@ -123,6 +124,8 @@ class configuration:
self.containers[id].pager_lma += int(val, 0)
elif param[:len("LINUX_ZRELADDR")] == "LINUX_ZRELADDR":
self.containers[id].linux_zreladdr += int(val, 0)
elif param[:len("LINUX_ROOTFS_ADDRESS")] == "LINUX_ROOTFS_ADDRESS":
self.containers[id].linux_rootfs_address += int(val, 0)
elif re.match(r"(VIRT|PHYS){1}([0-9]){1}(_){1}(START|END){1}", param):
matchobj = re.match(r"(VIRT|PHYS){1}([0-9]){1}(_){1}(START|END){1}", param)
virtphys, regionidstr, discard1, startend = matchobj.groups()

15
scripts/linux/build_rootfs.py
View File

@@ -34,7 +34,12 @@ class RootfsBuilder:
self.rootfs_lds_in = join(self.LINUX_ROOTFSDIR, "rootfs.lds.in")
self.rootfs_lds_out = join(self.LINUX_ROOTFS_BUILDDIR, "rootfs.lds")
self.rootfs_h_in = join(self.LINUX_ROOTFSDIR, "rootfs.h.in")
self.rootfs_h_out = join(self.LINUX_ROOTFS_BUILDDIR, "rootfs.h")
self.rootfs_elf_out = join(self.LINUX_ROOTFS_BUILDDIR, "rootfs.elf")
self.cont_id = container.id
def build_rootfs(self):
print 'Building the root filesystem...'
@@ -43,8 +48,14 @@ class RootfsBuilder:
os.chdir(LINUX_ROOTFSDIR)
if not os.path.exists(self.LINUX_ROOTFS_BUILDDIR):
os.makedirs(self.LINUX_ROOTFS_BUILDDIR)
os.system("arm-none-linux-gnueabi-cpp -P " + \
"%s > %s" % (self.rootfs_lds_in, self.rootfs_lds_out))
with open(self.rootfs_h_out, 'w+') as output:
with open(self.rootfs_h_in, 'r') as input:
output.write(input.read() % {'cn' : self.cont_id})
os.system("arm-none-linux-gnueabi-cpp -I%s -P %s > %s" % \
(self.LINUX_ROOTFS_BUILDDIR, self.rootfs_lds_in, \
self.rootfs_lds_out))
os.system("arm-none-linux-gnueabi-gcc " + \
"-nostdlib -o %s -T%s rootfs.S" % (self.rootfs_elf_out, \
self.rootfs_lds_out))