acpica-tools/0004-Re-enable-support-for-big-endian-machines.patch

79 lines
2.8 KiB
Diff
Raw Normal View History

From 16c399a7e2a2c7bd8fb8f38fed202f23c3a786a9 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Wed, 16 Sep 2020 16:27:06 -0600
Subject: [PATCH 04/40] Re-enable support for big-endian machines
First, disable the big-endian check and fail. Then, make sure the
namespace gets initialized properly (NB: needed even if we are only
compiling/disassembling data tables).
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/compiler/aslmain.c | 12 ------------
source/components/namespace/nsutils.c | 7 +++++--
2 files changed, 5 insertions(+), 14 deletions(-)
Index: acpica-unix2-20200925/source/compiler/aslmain.c
===================================================================
--- acpica-unix2-20200925.orig/source/compiler/aslmain.c
+++ acpica-unix2-20200925/source/compiler/aslmain.c
@@ -101,18 +101,6 @@ main (
signal (SIGINT, AslSignalHandler);
- /*
- * Big-endian machines are not currently supported. ACPI tables must
- * be little-endian, and support for big-endian machines needs to
- * be implemented.
- */
- if (UtIsBigEndianMachine ())
- {
- fprintf (stderr,
- "iASL is not currently supported on big-endian machines.\n");
- return (-1);
- }
-
AcpiOsInitialize ();
ACPI_DEBUG_INITIALIZE (); /* For debug version only */
Index: acpica-unix2-20200925/source/components/namespace/nsutils.c
===================================================================
--- acpica-unix2-20200925.orig/source/components/namespace/nsutils.c
+++ acpica-unix2-20200925/source/components/namespace/nsutils.c
@@ -272,6 +272,7 @@ AcpiNsBuildInternalName (
const char *ExternalName = Info->NextExternalChar;
char *Result = NULL;
UINT32 i;
+ char TmpSeg[ACPI_NAMESEG_SIZE+1];
ACPI_FUNCTION_TRACE (NsBuildInternalName);
@@ -335,6 +336,7 @@ AcpiNsBuildInternalName (
for (; NumSegments; NumSegments--)
{
+ memset(TmpSeg, 0, ACPI_NAMESEG_SIZE+1);
for (i = 0; i < ACPI_NAMESEG_SIZE; i++)
{
if (ACPI_IS_PATH_SEPARATOR (*ExternalName) ||
@@ -342,16 +344,17 @@ AcpiNsBuildInternalName (
{
/* Pad the segment with underscore(s) if segment is short */
- Result[i] = '_';
+ TmpSeg[i] = '_';
}
else
{
/* Convert the character to uppercase and save it */
- Result[i] = (char) toupper ((int) *ExternalName);
+ TmpSeg[i] = (char) toupper ((int) *ExternalName);
ExternalName++;
}
}
+ AcpiUtWriteUint(Result, ACPI_NAMESEG_SIZE, TmpSeg, ACPI_NAMESEG_SIZE);
/* Now we must have a path separator, or the pathname is bad */