[xiaomi] Add support for ubi-loader

Makefile

@@ -5,8 +5,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=facinstall
-PKG_VERSION:=1.5
-PKG_RELEASE:=20240131
+PKG_VERSION:=1.7
+PKG_RELEASE:=20240303
 
 PKG_MAINTAINER:=remittor <remittor@gmail.com>
 PKG_LICENSE:=MIT

files/functions.sh

@@ -226,7 +226,7 @@ fi_get_part_size() {
 	local part_name=$1
 	local part
 	local mtd_size_hex
-	part=$( grep "\"$part_name\"" < "/proc/mtd" )
+	part=$( cat /proc/mtd | grep "\"$part_name\"" 2>/dev/null )
 	if [ -z "$part" ]; then
 		mtd_size_hex=0
 	else

files/xiaomi.sh

@@ -382,6 +382,7 @@ fi_platform_do_upgrade() {
 }
 
 fi_platform_init() {
+	local krn_size  ldr_size
 	FI_FIT_IMG=
 	FI_UBI_IMG=
 	FI_KERNEL_PART=$CI_KERNPART
@@ -393,6 +394,15 @@ fi_platform_init() {
 	if [ -n "$CI_ROOT_UBIPART" ]; then
 		FI_ROOTFS_PART=$CI_ROOT_UBIPART
 	fi
+	krn_size=$( fi_get_part_size "$FI_KERNEL_PART" )
+	if [ "$krn_size" = "0" ]; then
+		ldr_size=$( fi_get_part_size "ubi-loader" )
+		if [ "$ldr_size" = "0" ]; then
+			fierr "cannot find mtd partition for kernel image"
+			return 1
+		fi
+		FI_KERNEL_PART="ubi-loader"
+	fi
 	[ -z "$FI_IMAGE_SIZE" ] && return 1
 	[ "$FI_IMAGE_SIZE" -lt 1000000 ] && return 1
 	FI_IMG_MODEL=$( fi_get_uint8_at 14 )