From 1515bfd3bbfdd1892d72cdd32ab4394f1ecc9e49 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 6 May 2005 00:17:04 +0000
Subject: [PATCH] Teach cramfs to handle byteswapping sanely.  I want to
 specify big endian or little endian, not whether to unconditionally do
 byteswapping regardless of build system byte order.

---
 target/cramfs/cramfs-02-endian.patch | 19 ++++++++++++++-----
 target/cramfs/cramfs.mk              | 13 +++++++------
 2 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/target/cramfs/cramfs-02-endian.patch b/target/cramfs/cramfs-02-endian.patch
index 2b9df3f3aa..4c28b8397a 100644
--- a/target/cramfs/cramfs-02-endian.patch
+++ b/target/cramfs/cramfs-02-endian.patch
@@ -8,11 +8,12 @@
  
  static int warn_dev, warn_gid, warn_namelen, warn_skip, warn_size, warn_uid;
  static const char *const memory_exhausted = "memory exhausted";
-@@ -155,6 +156,7 @@
+@@ -155,6 +156,8 @@
  		" -i file    insert a file image into the filesystem (requires >= 2.4.0)\n"
  		" -n name    set name of cramfs filesystem\n"
  		" -p         pad by %d bytes for boot code\n"
-+		" -r         reverse endian-ness of filesystem\n"
++		" -l         litte endian filesystem\n"
++		" -b         big endian filesystem\n"
  		" -s         sort directory entries (old option, ignored)\n"
  		" -v         be more verbose\n"
  		" -z         make explicit holes (requires >= 2.3.39)\n"
@@ -108,17 +109,25 @@
  
  	/* command line options */
 -	while ((c = getopt(argc, argv, "hEe:i:n:psvzD:q")) != EOF) {
-+	while ((c = getopt(argc, argv, "hEe:i:n:prsvzD:q")) != EOF) {
++	while ((c = getopt(argc, argv, "hEe:i:n:psvzD:qlb")) != EOF) {
  		switch (c) {
  		case 'h':
  			usage(MKFS_OK);
-@@ -1174,6 +1226,10 @@
+@@ -1174,6 +1227,18 @@
  			opt_pad = PAD_SIZE;
  			fslen_ub += PAD_SIZE;
  			break;
-+		case 'r':
++		case 'b':
++#if __BYTE_ORDER == __LITTLE_ENDIAN
 +			swap_endian = 1;
 +			printf("Swapping filesystem endian-ness\n");
++#endif
++			break;
++		case 'l':
++#if __BYTE_ORDER == __BIG_ENDIAN
++			swap_endian = 1;
++			printf("Swapping filesystem endian-ness\n");
++#endif
 +			break;
  		case 's':
  			/* old option, ignored */
diff --git a/target/cramfs/cramfs.mk b/target/cramfs/cramfs.mk
index 5905eb6e59..bc8424000a 100644
--- a/target/cramfs/cramfs.mk
+++ b/target/cramfs/cramfs.mk
@@ -33,23 +33,24 @@ cramfs-dirclean:
 # Build the cramfs root filesystem image
 #
 #############################################################
+CRAMFS_ENDIANNESS=-l
 ifeq ($(strip $(BR2_armeb)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 ifeq ($(strip $(BR2_mips)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 ifeq ($(strip $(BR2_powerpc)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 ifeq ($(strip $(BR2_sh3eb)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 ifeq ($(strip $(BR2_sh4eb)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 ifeq ($(strip $(BR2_sparc)),y)
-CRAMFS_ENDIANNESS=-r
+CRAMFS_ENDIANNESS=-b
 endif
 
 cramfsroot: cramfs
-- 
2.30.2