diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py')
| -rwxr-xr-x | meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py b/meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py index 5cda38b79..c2c18247d 100755 --- a/meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py +++ b/meta-openbmc-mods/meta-common/recipes-intel/intel-pfr/files/pfr_image.py @@ -1,4 +1,4 @@ -#/usr/bin/env python3 +#!/usr/bin/env python3 # coding: utf-8 # our image is contained as parts, including the hash # then it gets zipped up and signed again @@ -46,7 +46,7 @@ PFM_SPI = 0x1 PFM_I2C = 0x2 SHA256 = 0x1 SHA256_SIZE = 32 -PFM_DEF_SIZE = 16 +PFM_DEF_SIZE = 32 # 32 bytes of PFM header PFM_SPI_SIZE_DEF = 16 # 16 bytes of SPI PFM PFM_SPI_SIZE_HASH = 32 # 32 bytes of SPI region HASH PFM_I2C_SIZE = 40 # 40 bytes of i2c rules region in PFM @@ -102,7 +102,6 @@ class pfr_bmc_image(object): for p in self.manifest['image-parts']: # the json should have in the order- filename, index, offset, size and protection byte self.image_parts.append((p['name'], p['index'], p['offset'], p['size'], p['prot_mask'], p['pfm'], p['hash'], p['compress'])) - print(self.image_parts) self.act_dgst = hashlib.sha256() @@ -124,7 +123,6 @@ class pfr_bmc_image(object): for i in self.manifest['i2c-rules']: # the json should have in the order- bus-id, rule-id, address, size and cmd-whitelist self.i2c_rules.append((i['bus-id'], i['rule-id'], i['address'], i['cmd-whitelist'])) - print(self.i2c_rules) # I2C rules PFM array self.pfm_i2c_rules = [] @@ -205,7 +203,7 @@ class pfr_bmc_image(object): if pfm_flag == 1: self.pfm_bytes += PFM_SPI_SIZE_DEF - hash = b'\x00' * 32 + hash = bytearray(32) hash_pres = 0 if hash_flag == 1: @@ -232,7 +230,7 @@ class pfr_bmc_image(object): whitelist_map[i] = 0xff break else: - idx = int(c,16) / 8 # index in the 32 bytes of white list i2c cmds + idx = int(c,16) // 8 # index in the 32 bytes of white list i2c cmds bit = int(c,16) % 8 # bit position to set whitelist_map[idx] |= (1 << bit) @@ -241,7 +239,6 @@ class pfr_bmc_image(object): def build_i2c_rules(self): for i in self.i2c_rules: - print(i[0], i[1], i[2], i[3]) self.add_i2c_rules(i) def hash_and_map(self): @@ -327,10 +324,15 @@ class pfr_bmc_image(object): } # PFM should be 128bytes aligned, find the padding bytes - padding_bytes = 128 - (self.pfm_bytes % 128) + padding_bytes = 0 + if (self.pfm_bytes % 128) != 0: + padding_bytes = 128 - (self.pfm_bytes % 128) + + print("padding={}".format(padding_bytes)) + print("PFM size1={}".format(self.pfm_bytes)) self.pfm_bytes += padding_bytes parts['pfm_len'] = struct.pack('<I', self.pfm_bytes) - print("PFM size={}".format(self.pfm_bytes)) + print("PFM size2={}".format(self.pfm_bytes)) with open("pfm.bin", "wb+") as f: f.write(b''.join([parts[n] for n in names])) @@ -343,7 +345,7 @@ class pfr_bmc_image(object): f.write(struct.pack('<I', int(i.spi_end_addr))) if i.spi_hash_pres == 1: - f.write(i.spi_hash.decode('hex')) + f.write(bytearray.fromhex(i.spi_hash)) for r in self.pfm_i2c_rules: f.write(struct.pack('<B', int(r.i2c_pfm))) |