acpica-tools/0007-Handle-dumping-Unicode-properly-when-big-endian.patch

From 9a4a32c597fcdfa8a3bc33230c40a18e39c3449d Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Thu, 1 Jul 2021 17:46:19 -0600
Subject: [PATCH 07/45] Handle dumping Unicode properly when big-endian

Signed-off-by: Al Stone <ahs3@redhat.com>
---
 source/common/dmtbdump.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

Index: acpica-unix2-20220331/source/common/dmtbdump.c
===================================================================
--- acpica-unix2-20220331.orig/source/common/dmtbdump.c
+++ acpica-unix2-20220331/source/common/dmtbdump.c
@@ -200,6 +200,8 @@ AcpiDmDumpUnicode (
     UINT8                   *Buffer;
     UINT32                  Length;
     UINT32                  i;
+    UINT16		    Tmp16;
+    UINT32                  start;
 
 
     Buffer = ((UINT8 *) Table) + BufferOffset;
@@ -209,7 +211,8 @@ AcpiDmDumpUnicode (
 
     for (i = 0; i < Length; i += 2)
     {
-        if (!isprint (Buffer[i]))
+        Tmp16 = AcpiUtReadUint16 (&Buffer[i]);
+        if (!isprint (Tmp16))
         {
             goto DumpRawBuffer;
         }
@@ -217,7 +220,8 @@ AcpiDmDumpUnicode (
 
     /* Ensure all high bytes are zero */
 
-    for (i = 1; i < Length; i += 2)
+    start = UtIsBigEndianMachine() ? 0 : 1;
+    for (i = start; i < Length; i += 2)
     {
         if (Buffer[i])
         {
@@ -230,7 +234,8 @@ AcpiDmDumpUnicode (
     AcpiOsPrintf ("\"");
     for (i = 0; i < Length; i += 2)
     {
-        AcpiOsPrintf ("%c", Buffer[i]);
+        Tmp16 = AcpiUtReadUint16 (&Buffer[i]);
+        AcpiOsPrintf ("%c", Tmp16);
     }
 
     AcpiOsPrintf ("\"\n");