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From 16734feab4204d6930c1ede62e527920607daace Mon Sep 17 00:00:00 2001
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From: Al Stone <ahs3@redhat.com>
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Date: Wed, 16 Sep 2020 16:27:06 -0600
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Subject: [PATCH 04/45] Re-enable support for big-endian machines
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First, disable the big-endian check and fail. Then, make sure the
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namespace gets initialized properly (NB: needed even if we are only
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compiling/disassembling data tables).
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Signed-off-by: Al Stone <ahs3@redhat.com>
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---
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source/compiler/aslmain.c | 12 ------------
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source/components/namespace/nsutils.c | 7 +++++--
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2 files changed, 5 insertions(+), 14 deletions(-)
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Index: acpica-unix2-20210604/source/compiler/aslmain.c
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===================================================================
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--- acpica-unix2-20210604.orig/source/compiler/aslmain.c
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+++ acpica-unix2-20210604/source/compiler/aslmain.c
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@@ -101,18 +101,6 @@ main (
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signal (SIGINT, AslSignalHandler);
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- /*
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- * Big-endian machines are not currently supported. ACPI tables must
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- * be little-endian, and support for big-endian machines needs to
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- * be implemented.
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- */
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- if (UtIsBigEndianMachine ())
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- {
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- fprintf (stderr,
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- "iASL is not currently supported on big-endian machines.\n");
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- return (-1);
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- }
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-
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AcpiOsInitialize ();
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ACPI_DEBUG_INITIALIZE (); /* For debug version only */
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Index: acpica-unix2-20210604/source/components/namespace/nsutils.c
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===================================================================
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--- acpica-unix2-20210604.orig/source/components/namespace/nsutils.c
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+++ acpica-unix2-20210604/source/components/namespace/nsutils.c
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@@ -272,6 +272,7 @@ AcpiNsBuildInternalName (
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const char *ExternalName = Info->NextExternalChar;
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char *Result = NULL;
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UINT32 i;
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+ char TmpSeg[ACPI_NAMESEG_SIZE+1];
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ACPI_FUNCTION_TRACE (NsBuildInternalName);
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@@ -335,6 +336,7 @@ AcpiNsBuildInternalName (
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for (; NumSegments; NumSegments--)
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{
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+ memset (TmpSeg, 0, ACPI_NAMESEG_SIZE+1);
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for (i = 0; i < ACPI_NAMESEG_SIZE; i++)
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{
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if (ACPI_IS_PATH_SEPARATOR (*ExternalName) ||
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@@ -342,16 +344,17 @@ AcpiNsBuildInternalName (
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{
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/* Pad the segment with underscore(s) if segment is short */
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- Result[i] = '_';
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+ TmpSeg[i] = '_';
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}
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else
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{
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/* Convert the character to uppercase and save it */
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- Result[i] = (char) toupper ((int) *ExternalName);
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+ TmpSeg[i] = (char) toupper ((int) *ExternalName);
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ExternalName++;
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}
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}
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+ AcpiUtWriteUint (Result, ACPI_NAMESEG_SIZE, TmpSeg, ACPI_NAMESEG_SIZE);
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/* Now we must have a path separator, or the pathname is bad */
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