Misc QEMU fixes

.codespellrc

@@ -0,0 +1,3 @@
+[codespell]
+exclude-file = .codespellx
+ignore-words-list = "FPT,FTP,fpt,ftp"

.conform.yaml

@@ -0,0 +1,16 @@
+---
+policies:
+  - type: commit
+    spec:
+      header:
+        length: 80
+        imperative: false
+        invalidLastCharacters: .
+      body:
+        required: false
+      dco: true
+      gpg:
+        required: true
+      spellcheck:
+        locale: US
+      maximumOfOneCommit: false

.github/scripts/capsule-lint.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+
+function get_str() {
+    local cfg=$1
+    local name=$2
+    sed -n 's/^'"$name"'="\(.*\)"$/\1/p' "$cfg"
+}
+
+function get_hex() {
+    local cfg=$1
+    local name=$2
+    sed -n 's/^'"$name"'=\(.*\)$/\1/p' "$cfg"
+}
+
+function hex_to_ver_str() {
+    local hex=$1
+
+    local major=${hex:2:2}
+    local minor=${hex:4:2}
+    local bugfix=${hex:6:2}
+    local rc=${hex:8:2}
+
+    local ver="v$((0x$major)).$((0x$minor)).$((0x$bugfix))"
+    if [ "$((0x$rc))" -lt 128 ]; then
+        ver="$ver-rc$((0x$rc))"
+    fi
+    echo "$ver"
+}
+
+if [ ! -d configs ]; then
+    echo "error: $(basename "$0") should be run from the root of coreboot's tree"
+    exit 1
+fi
+
+declare -A guids
+fail=0
+
+mapfile -t configs < <(grep -l 'EFI_UPDATE_CAPSULE' configs/config.*)
+for c in "${configs[@]}"; do
+    local_ver=$(get_str "$c" 'CONFIG_LOCALVERSION')
+
+    guid=$(get_str "$c" 'CONFIG_DRIVERS_EFI_MAIN_FW_GUID')
+    ver=$(get_hex "$c" 'CONFIG_DRIVERS_EFI_MAIN_FW_VERSION')
+    lsv=$(get_hex "$c" 'CONFIG_DRIVERS_EFI_MAIN_FW_LSV')
+
+    # convert to lower case as normalization
+    guid=${guid,,*}
+    # remove common prefix to shorten error messages
+    c=${c##*/}
+
+    if [ -z "$guid" ]; then
+        echo "$c: missing CONFIG_DRIVERS_EFI_MAIN_FW_GUID"
+        fail=1
+    elif [ -n "${guids["$guid"]}" ]; then
+        echo "$c: duplicated CONFIG_DRIVERS_EFI_MAIN_FW_GUID value ($guid)"
+        echo "${c//?/ }  also appears in ${guids["$guid"]}"
+        fail=1
+    else
+        guids["$guid"]=$c
+    fi
+
+    if [ -z "$ver" ]; then
+        echo "$c: missing CONFIG_DRIVERS_EFI_MAIN_FW_VERSION"
+        fail=1
+    fi
+    if [ -z "$lsv" ]; then
+        echo "$c: missing CONFIG_DRIVERS_EFI_MAIN_FW_LSV"
+        fail=1
+    fi
+
+    if [ -n "$ver" ] && [ -n "$lsv" ] && [ $(( ver < lsv )) -eq 1 ]; then
+        echo "$c: CONFIG_DRIVERS_EFI_MAIN_FW_VERSION < CONFIG_DRIVERS_EFI_MAIN_FW_LSV"
+        echo "${c//?/ }  $ver < $lsv"
+        fail=1
+    fi
+
+    if [ -n "$ver" ]; then
+        str_ver=$(hex_to_ver_str "$ver")
+        if [ "$str_ver" != "$local_ver" ]; then
+            echo "$c: CONFIG_LOCALVERSION doesn't match CONFIG_DRIVERS_EFI_MAIN_FW_VERSION"
+            echo "${c//?/ }  $local_ver != $str_ver ($ver)"
+            fail=1
+        fi
+    fi
+done
+
+exit "$fail"