blob: 26bdc21c476082a93e3c77cea6dc5fb08a124ffe [file] [log] [blame]
Adriana Kobylake8606da2020-07-15 09:16:56 -05001#!/bin/sh
2
Isaac Kurth514a0942021-10-19 21:17:44 +00003bios_reset_if_needed() {
Patrick Williams15513db2022-12-08 06:23:24 -06004 resetval=$(fw_printenv -n rwreset 2>/dev/nell)
5 if [ "$resetval" = "0" ] || [ "$resetval" = "1" ]; then
6 varstore="/media/hostfw/reset-gpio-val"
7 if [ -f "$varstore" ]; then
8 if [ "$resetval" != "$(cat $varstore)" ]; then
9 if busctl call org.open_power.Software.Host.Updater /xyz/openbmc_project/software xyz.openbmc_project.Common.FactoryReset Reset; then
10 echo "$resetval" > "$varstore"
11 fi
12 fi
13 else
14 echo "$resetval" > "$varstore"
Isaac Kurth514a0942021-10-19 21:17:44 +000015 fi
Isaac Kurth514a0942021-10-19 21:17:44 +000016 fi
Isaac Kurth514a0942021-10-19 21:17:44 +000017}
18
Adriana Kobylake8606da2020-07-15 09:16:56 -050019mmc_init() {
Patrick Williams15513db2022-12-08 06:23:24 -060020 base_dir="/media/hostfw"
21 ro_dir="${base_dir}/running-ro"
22 running_dir="${base_dir}/running"
23 prsv_dir="${base_dir}/prsv"
24 staging_dir="${base_dir}/staging"
25 nvram_dir="${base_dir}/nvram"
Adriana Kobylake8606da2020-07-15 09:16:56 -050026
Patrick Williams15513db2022-12-08 06:23:24 -060027 if [ ! -d "${ro_dir}" ]; then
28 mkdir -p "${ro_dir}"
29 fi
30 if [ ! -d "${running_dir}" ]; then
31 mkdir -p ${running_dir}
32 fi
33 if [ ! -d "${prsv_dir}" ]; then
34 mkdir -p "${prsv_dir}"
35 fi
36 if [ ! -d "${staging_dir}" ]; then
37 mkdir -p "${staging_dir}"
38 fi
39 if [ ! -d "${nvram_dir}" ]; then
40 mkdir -p "${nvram_dir}"
Adriana Kobylake8606da2020-07-15 09:16:56 -050041 fi
42
Patrick Williams15513db2022-12-08 06:23:24 -060043 # Mount the image that corresponds to the boot label as read-only to be used
44 # to populate the running directory.
45 boot_label="$(fw_printenv -n bootside)"
46 if ! grep -q "${ro_dir}" /proc/mounts; then
47 mount ${base_dir}/hostfw-"${boot_label}" ${ro_dir} -o ro
48 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -050049
Patrick Williams15513db2022-12-08 06:23:24 -060050 # Determine if the running dir contains the running version
51 running_label=""
52 running_label_file="${running_dir}/partlabel"
53 if [ -f "${running_label_file}" ]; then
54 running_label=$(cat ${running_label_file})
55 fi
56 if [ "${running_label}" != "${boot_label}" ]; then
57 # Copy off the preserved partitions
58 # A line in the pnor.toc (81e00994.lid) looks like this:
59 # partition05=SECBOOT,0x00381000,0x003a5000,00,ECC,PRESERVED
60 rm -f ${prsv_dir}/*
61 if [ -f "${ro_dir}/81e00994.lid" ]; then
62 prsvs=$(grep PRESERVED "${ro_dir}/81e00994.lid")
63 for prsv in ${prsvs}; do
64 prsv=${prsv##partition*=}
65 prsv=$(echo "${prsv}" | cut -d "," -f 1)
66 if [ -L "${running_dir}/${prsv}" ]; then
67 # Preserve the symlink target file
68 prsv="$(readlink "${running_dir}/${prsv}")"
69 if [ -f "${running_dir}/${prsv}" ] && [ -f "${ro_dir}/${prsv}" ]; then
70 runsize="$(stat -c '%s' "${running_dir}/${prsv}")"
71 rosize="$(stat -c '%s' "${ro_dir}/${prsv}")"
72 if [ "$runsize" != "$rosize" ]; then
73 # Partition size may have changed or became corrupted
74 # So it will not be copied to the preserved directory
75 # Log PEL to indicate such
76 busctl call xyz.openbmc_project.Logging \
77 /xyz/openbmc_project/logging \
78 xyz.openbmc_project.Logging.Create Create "ssa{ss}" \
79 xyz.openbmc_project.Software.Version.Error.HostFile \
80 xyz.openbmc_project.Logging.Entry.Level.Error 3 "FILE_NAME" \
81 "${prsv}" "CURRENT_FILE_SIZE" "${runsize}" "EXPECTED_FILE_SIZE" \
82 "${rosize}"
83 # Initiate dump
84 busctl call xyz.openbmc_project.Dump.Manager \
85 /xyz/openbmc_project/dump/bmc xyz.openbmc_project.Dump.Create \
86 CreateDump "a{sv}" 0
87 else
88 cp -p ${running_dir}/"${prsv}" ${prsv_dir}
89 fi
90 fi
91 fi
92 done
93 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -050094
Patrick Williams15513db2022-12-08 06:23:24 -060095 # Copy lid contents of running image to running dir
96 rm -f ${running_dir}/*
97 cp -p ${ro_dir}/*.lid ${running_dir}/
Adriana Kobylak87372ae2020-09-01 11:30:59 -050098
Patrick Williams15513db2022-12-08 06:23:24 -060099 # Restore the preserved partitions. Ignore error, there may be none.
100 cp -p ${prsv_dir}/* ${running_dir}/ 2>/dev/null || true
101 rm -f "${prsv_dir:?}/"*
Adriana Kobylake8606da2020-07-15 09:16:56 -0500102
Patrick Williams15513db2022-12-08 06:23:24 -0600103 # Clean up the staging dir in case of a failed update
104 rm -rf "${staging_dir:?}/"*
Adriana Kobylake8606da2020-07-15 09:16:56 -0500105
Patrick Williams15513db2022-12-08 06:23:24 -0600106 # Save the label
107 echo "${boot_label}" > "${running_label_file}"
108
109 fi
110
111 # Mount alternate dir
112 if [ "${boot_label}" = "a" ]; then
113 alternate_label="b"
114 else
115 alternate_label="a"
116 fi
117 alternate_dir="${base_dir}/alternate"
118 if [ ! -d "${alternate_dir}" ]; then
119 mkdir -p ${alternate_dir}
120 fi
121 if ! grep -q "${alternate_dir}" /proc/mounts; then
122 mount ${base_dir}/hostfw-${alternate_label} ${alternate_dir} -o ro
123 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -0500124}
125
126mmc_patch() {
Patrick Williams15513db2022-12-08 06:23:24 -0600127 # Patching is disabled if field mode is set
128 if [ "$(fw_printenv fieldmode 2>/dev/null)" = "fieldmode=true" ]; then
129 return 0
130 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -0500131
Patrick Williams15513db2022-12-08 06:23:24 -0600132 boot_label="$(fw_printenv -n bootside)"
133 if [ "${boot_label}" = "a" ]; then
134 alternate_label="b"
135 else
136 alternate_label="a"
137 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -0500138
Patrick Williams15513db2022-12-08 06:23:24 -0600139 # Create patch directories
140 patch_dir="/media/hostfw/patch-"
141 running_patch_dir="${patch_dir}${boot_label}"
142 if [ ! -d "${running_patch_dir}" ]; then
143 mkdir -p "${running_patch_dir}"
144 fi
145 alternate_patch_dir="${patch_dir}${alternate_label}"
146 if [ ! -d "${alternate_patch_dir}" ]; then
147 mkdir -p "${alternate_patch_dir}"
148 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -0500149
Patrick Williams15513db2022-12-08 06:23:24 -0600150 # Create patch symlinks
151 symlink_base="/usr/local/share"
152 if [ ! -d "${symlink_base}" ]; then
153 mkdir -p "${symlink_base}"
154 fi
155 hostfw_symlink_base="${symlink_base}/hostfw"
156 if [ ! -d "${hostfw_symlink_base}" ]; then
157 mkdir -p "${hostfw_symlink_base}"
158 fi
Adriana Kobylakf6608a82020-08-25 14:16:23 -0500159
Patrick Williams15513db2022-12-08 06:23:24 -0600160 if [ "$(readlink -f "${symlink_base}/pnor")" != "${running_patch_dir}" ]; then
161 ln -s "${running_patch_dir}" "${symlink_base}/pnor"
162 fi
163 if [ "$(readlink -f "${hostfw_symlink_base}/running")" != "${running_patch_dir}" ]; then
164 ln -s "${running_patch_dir}" "${hostfw_symlink_base}/running"
165 fi
166 if [ "$(readlink -f "${hostfw_symlink_base}/alternate")" != "${alternate_patch_dir}" ]; then
167 ln -s "${alternate_patch_dir}" "${hostfw_symlink_base}/alternate"
168 fi
Adriana Kobylake8606da2020-07-15 09:16:56 -0500169}
170
171case "$1" in
Patrick Williams15513db2022-12-08 06:23:24 -0600172 bios-reset-if-needed)
173 bios_reset_if_needed
174 ;;
175 mmc-init)
176 mmc_init
177 ;;
178 mmc-patch)
179 mmc_patch
180 ;;
181 *)
182 echo "Invalid argument: $1" >&2
183 exit 1
184 ;;
Adriana Kobylake8606da2020-07-15 09:16:56 -0500185esac