src/flashrom.sh: New file

1 files changed, 85 insertions, 0 deletions

diff --git a/src/flashrom.sh b/src/flashrom.sh
new file mode 100644
index 0000000..078dc79
--- /dev/null
+++ b/src/flashrom.sh
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+# Functions for working with flashrom
+#
+# Copyright (C) 2015  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+flashrom_probe()
+{
+	local board_vendor=''
+	local board_part=''
+	local board_found=false
+	local chip_vendor=''
+	local chip_device=''
+	local chip_size=''
+	local chip_bus=''
+	local chip_found=false
+
+	IFS=''
+	while read -r line; do
+		unset IFS
+		case "${line}" in
+			'Vendor ID: '*', part ID: '*)
+				board_vendor="${line%, part ID: *}"
+				board_vendor="${board_vendor#Vendor ID: }"
+				board_part="${line#*, part ID: }"
+				dbg 'Found board:'
+				dbg '  Vendor: %s' "${board_vendor}"
+				dbg '  Part:   %s' "${board_part}"
+				board_found=true
+				;;
+			'Found '*' flash chip "'*'" ('*' kB, '*').')
+				if ! ${board_found}; then
+					err 'Failed to probe board'
+					return 1
+				fi
+				chip_vendor="${line% flash chip *}"
+				chip_vendor="${line#Found }"
+				chip_device="${line#* flash chip \"}"
+				chip_device="${chip_device%\" (*}"
+				chip_size="${line#* (}"
+				chip_size="${chip_size% kB, *}"
+				chip_bus="${line#* kB, }"
+				chip_bus="${chip_bus%).}"
+				dbg 'Found chip:'
+				dbg '  Vendor: %s' "${chip_vendor}"
+				dbg '  Device: %s' "${chip_device}"
+				dbg '  Size:   %u' "${chip_size}"
+				dbg '  Bus:    %s' "${chip_bus}"
+				if find_board "${board_vendor}" \
+						"${board_part}" "${chip_device}"
+				then
+					chip_found=true
+					break
+				fi
+				;;
+		esac
+		IFS=''
+	done <flashrom.log
+	#done <<-EOF
+	#	$(${FLASHROM} -p internal -V)
+	#	EOF
+	unset IFS
+
+	if ! ${board_found}; then
+		err 'Failed to probe board'
+		return 1
+	fi
+	if ! ${chip_found}; then
+		err 'Failed to probe chip'
+		return 1
+	fi
+
+	return 0
+}