def write_map(self, wf, base_offset, prefix=""):
"""Display the field names and offsets of a single TFTF header"""
# Add the symbol for the start of this header
if prefix:
wf.write("{0:s} {1:08x}\n".format(prefix, base_offset))
prefix += "."
# Add the header fields
wf.write("{0:s}sentinel {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_SENTINEL))
wf.write("{0:s}header_size {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_HEADER_SIZE))
wf.write("{0:s}timestamp {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_TIMESTAMP))
wf.write("{0:s}firmware_name {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_NAME))
wf.write("{0:s}package_type {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_PACKAGE_TYPE))
wf.write("{0:s}start_location {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_START_LOCATION))
wf.write("{0:s}unipro_mfgr_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_UNIPRO_MFGR_ID))
wf.write("{0:s}unipro_product_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_UNIPRO_PRODUCT_ID))
wf.write("{0:s}ara_vendor_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_ARA_VENDOR_ID))
wf.write("{0:s}ara_product_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_ARA_PRODUCT_ID))
for i in range(len(self.reserved)):
wf.write("{0:s}reserved[{1:d}] {2:08x}\n".
format(prefix, i,
base_offset + TFTF_HDR_OFF_RESERVED +
(TFTF_RSVD_SIZE * i)))
# Dump the section descriptors (used and free)
section_offset = base_offset + TFTF_HDR_OFF_SECTIONS
for index in range(TFTF_HDR_NUM_SECTIONS):
wf.write("{0:s}section[{1:d}].type {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_TYPE))
wf.write("{0:s}section[{1:d}].class {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_CLASS))
wf.write("{0:s}section[{1:d}].id {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_ID))
wf.write("{0:s}section[{1:d}].section_length {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_LENGTH))
wf.write("{0:s}section[{1:d}].load_address {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_LOAD_ADDRESS))
wf.write("{0:s}section[{1:d}].expanded_length {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_EXPANDED_LENGTH))
section_offset += TFTF_SECTION_LEN
# Dump the section starts
base_offset += self.header_size
for index, section in enumerate(self.sections):
sn_name = "{0:s}section[{1:d}].{2:s}".\
format(prefix, index,
section.section_short_name(section.section_type))
# If we know the structure of the section, dump the map for that
if section.section_type == TFTF_SECTION_TYPE_END_OF_DESCRIPTORS:
break
elif section.section_type == TFTF_SECTION_TYPE_SIGNATURE:
signature_block_write_map(wf, base_offset, sn_name)
else:
# Otherwise, just describe it generically
wf.write("{0:s} {1:08x}\n".format(sn_name, base_offset))
base_offset += section.section_length
def write_map(self, wf, base_offset, prefix=""):
"""Display the field names and offsets of a single TFTF header"""
# Add the symbol for the start of this header
if prefix:
wf.write("{0:s} {1:08x}\n".format(prefix, base_offset))
prefix += "."
# Add the header fields
wf.write("{0:s}sentinel {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_SENTINEL))
wf.write("{0:s}timestamp {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_TIMESTAMP))
wf.write("{0:s}firmware_name {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_NAME))
wf.write("{0:s}load_length {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_LENGTH))
wf.write("{0:s}load_base {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_LOAD_BASE))
wf.write("{0:s}expanded_length {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_EXPANDED_LENGTH))
wf.write("{0:s}star_location {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_START_LOCATION))
wf.write("{0:s}unipro_mfgr_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_UNIPRO_MFGR_ID))
wf.write("{0:s}unipro_product_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_UNIPRO_PRODUCT_ID))
wf.write("{0:s}ara_vendor_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_ARA_VENDOR_ID))
wf.write("{0:s}ara_producgt_id {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_ARA_PRODUCT_ID))
# Dump the section descriptors (used and free)
section_offset = base_offset + TFTF_HDR_OFF_SECTIONS
for index in range(TFTF_MAX_SECTIONS):
wf.write("{0:s}section[{1:d}].section_length {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_LENGTH))
wf.write("{0:s}section[{1:d}].expanded_length {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_EXPANDED_LENGTH))
wf.write("{0:s}section[{1:d}].copy_offset {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_COPY_OFFSET))
wf.write("{0:s}section[{1:d}].type {2:08x}\n".
format(prefix, index,
section_offset + TFTF_SECTION_OFF_SECTION_TYPE))
section_offset += TFTF_SECTION_HDR_LENGTH
# Dump the padding (the remainder of the TFTF header
wf.write("{0:s}padding {1:08x}\n".
format(prefix, base_offset + TFTF_HDR_OFF_PADDING))
# Dump the section starts
base_offset += TFTF_HDR_LENGTH
for index, section in enumerate(self.sections):
sn_name = "{0:s}section[{1:d}].{2:s}".\
format(prefix, index,
section.section_short_name(section.section_type))
# If we know the structure of the section, dump the map for that
if section.section_type == TFTF_SECTION_TYPE_END_OF_DESCRIPTORS:
break
elif section.section_type == TFTF_SECTION_TYPE_SIGNATURE:
signature_block_write_map(wf, base_offset, sn_name)
else:
# Otherwise, just describe it generically
wf.write("{0:s} {1:08x}\n".format(sn_name, base_offset))
base_offset += section.section_length