~ubuntu-branches/ubuntu/trusty/seabios/trusty-proposed

« back to all changes in this revision

Viewing changes to tools/checkrom.py

Committer: Package Import Robot
Author(s): Michael Tokarev
Date: 2013-07-08 21:34:44 UTC
mfrom: (1.1.7)
Revision ID: package-import@ubuntu.com-20130708213444-6ed9q23j39x143lu

Tags: 1.7.3-1

Multi-Arch: allowed

files added:
README.CSM

coreboot-config

src/LegacyBios.h

src/csm.c

src/csm.h

src/list.h

src/post.h

src/ssdt-misc.dsl

files removed:
.pc/1.7.2.2.diff

.pc/1.7.2.2.diff/Makefile

.pc/1.7.2.2.diff/src

.pc/1.7.2.2.diff/src/Kconfig

.pc/1.7.2.2.diff/src/boot.c

.pc/1.7.2.2.diff/src/pciinit.c

.pc/1.7.2.2.diff/src/usb-ehci.c

.pc/1.7.2.2.diff/src/virtio-scsi.c

.pc/1.7.2.2.diff/src/virtio-scsi.h

.pc/1.7.2.2.diff/tools

.pc/1.7.2.2.diff/tools/acpi_extract.py

.pc/1.7.2.2.diff/tools/test-build.sh

debian/patches/1.7.2.2.diff

src/ssdt-susp.dsl

files modified:
.pc/applied-patches

.version

Makefile

README

debian/changelog

debian/control

debian/patches/series

src/Kconfig

src/acpi-dsdt-pci-crs.dsl

src/acpi.c

src/acpi.h

src/ahci.c

src/apm.c

src/ata.c

src/biostables.c

src/biosvar.h

src/block.c

src/blockcmd.c

src/blockcmd.h

src/boot.c

src/boot.h

src/bootsplash.c

src/byteorder.h

src/cdrom.c

src/clock.c

src/cmos.h

src/config.h

src/coreboot.c

src/disk.h

src/entryfuncs.S

src/esp-scsi.c

src/floppy.c

src/kbd.c

src/lsi-scsi.c

src/megasas.c

src/memmap.c

src/memmap.h

src/misc.c

src/mouse.c

src/mptable.c

src/mptable.h

src/mtrr.c

src/optionroms.c

src/optionroms.h

src/output.c

src/paravirt.c

src/paravirt.h

src/pci.c

src/pci.h

src/pcibios.c

src/pciinit.c

src/pic.c

src/pic.h

src/pirtable.c

src/pmm.c

src/pnpbios.c

src/post.c

src/ps2port.c

src/ramdisk.c

src/resume.c

src/romfile.c

src/romlayout.S

src/shadow.c

src/smbios.c

src/smbios.h

src/smm.c

src/smp.c

src/stacks.c

src/system.c

src/types.h

src/usb-ehci.c

src/usb-ehci.h

src/usb-hid.c

src/usb-hid.h

src/usb-hub.c

src/usb-hub.h

src/usb-msc.c

src/usb-msc.h

src/usb-ohci.c

src/usb-ohci.h

src/usb-uas.c

src/usb-uas.h

src/usb-uhci.c

src/usb-uhci.h

src/usb.c

src/util.c

src/util.h

src/vgahooks.c

src/virtio-blk.c

src/virtio-ring.c

src/virtio-scsi.c

src/xen.c

src/xen.h

tools/acpi_extract.py

tools/buildrom.py

tools/checkrom.py

tools/layoutrom.py

tools/layoutrom.pyc

vgasrc/Kconfig

vgasrc/bochsvga.c

vgasrc/bochsvga.h

vgasrc/clext.c

vgasrc/clext.h

vgasrc/geodevga.c

vgasrc/geodevga.h

vgasrc/stdvga.c

vgasrc/stdvga.h

vgasrc/vgabios.c

vgasrc/vgabios.h

vgasrc/vgahw.h

Show diffs side-by-side

added added

removed removed

tools/checkrom.py

import sys

import layoutrom

def subst(data, offset, new):

return data[:offset] + new + data[offset + len(new):]

def checksum(data, start, size, csum):

sumbyte = 0

while size:

sumbyte = sumbyte + ord(data[start + size - 1])

size = size - 1

sumbyte = (0x100 - sumbyte) & 0xff

return subst(data, start+csum, chr(sumbyte))

def main():

# Get args

objinfo, rawfile, outfile = sys.argv[1:]

datasize, expdatasize)

sys.exit(1)

# Fix up CSM Compatibility16 table

if 'csm_compat_table' in symbols and 'entry_csm' in symbols:

# Field offsets within EFI_COMPATIBILITY16_TABLE

ENTRY_FIELD_OFS = 14 # Compatibility16CallOffset (UINT16)

SIZE_FIELD_OFS = 5 # TableLength (UINT8)

CSUM_FIELD_OFS = 4 # TableChecksum (UINT8)

tableofs = symbols['csm_compat_table'].offset - symbols['code32flat_start'].offset

entry_addr = symbols['entry_csm'].offset - layoutrom.BUILD_BIOS_ADDR

byte1 = chr(entry_addr & 0xff)

byte2 = chr(entry_addr >> 8)

rawdata = subst(rawdata, tableofs+ENTRY_FIELD_OFS, byte1+byte2)

tablesize = ord(rawdata[tableofs+SIZE_FIELD_OFS])

rawdata = checksum(rawdata, tableofs, tablesize, CSUM_FIELD_OFS)

# Print statistics

runtimesize = datasize

if '_reloc_abs_start' in symbols:

runtimesize = end - symbols['code32init_end'].offset

print "Total size: %d Fixed: %d Free: %d (used %.1f%% of %dKiB rom)" % (

datasize, runtimesize, finalsize - datasize

, (datasize / float(finalsize)) * 100.0

Older »