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Expose acpi_gbl_osi_data so that code outside of ACPICA can check
the value of the last successfull _OSI call. The definitions for
OSI versions are moved to actypes.h so that other components can
access them too.
Based on a patch from Matthew Garrett which in turn was based on
an earlier patch from Seth Forshee.
[rjw: Changelog]
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sort package only after null/bad elements have been removed.
Fixes a problem where the _CST sort was performed too early. This
change sorts the package only after null/bad elements have been
removed.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sort list based on the C-state, remove invalid/zero entries.
ACPICA BZ 890. Lv Zheng.
Fixes these possible problems with the _CST object:
1. Sort the list ascending by C state type.
2. Ensure type cannot be zero.
3. A sub-package count of zero means _CST is meaningless.
4. Count must match the number of C state sub-packages.
References: https://bugs.acpica.org/show_bug.cgi?id=890
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Moved this longstanding repair to the relatively new predefined
name repair module. ACPICA BZ 783. Lv Zheng.
No functional change. This change simply moves the repair code from
where it was originally implemented to the (more recent) repair
module where it now belongs.
References: https://bugs.acpica.org/show_bug.cgi?id=783
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Clear this flag to allow clean startup and even double termination.
ACPICA BZ 1013. Tomasz Nowicki <tomasz.nowicki@linaro.org>
References: https://bugs.acpica.org/show_bug.cgi?id=1013
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some GPE blocks were not deleted. ACPICA BZ 1018. Tomasz Nowicki
<tomasz.nowicki@linaro.org>
References: https://bugs.acpica.org/show_bug.cgi?id=1018
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add deletion of this lock, used for the global lock. ACPICA BZ
1012. Tomasz Nowicki <tomasz.nowicki@linaro.org>
References: https://bugs.acpica.org/show_bug.cgi?id=1012
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Clean up the interface by making the input argument a char *
string instead of a UINT32 name. This is easier to use for all
callers and eliminates casting to *(UINT32*)
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Previous implementation incorrectly used the ACPI 5.0 extended
sleep registers if they were simply populated. This caused
problems on some non-HW-reduced machines. As per the ACPI spec,
they should only be used if the HW-reduced bit is set. Lv Zheng,
ACPICA BZ 1020.
References: https://bugzilla.kernel.org/show_bug.cgi?id=54181
References: https://bugs.acpica.org/show_bug.cgi?id=1020
Reported-by: Daniel Rowe <bart@fathom13.com>
Bisected-by: Brint E. Kriebel <kernel@bekit.net>
Cc: 3.4+ <stable@vger.kernel.org>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Improves configurability of ACPICA.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Optionally do not load any SSDTs from the RSDT/XSDT during
initialization. This can be useful for overriding SSDTs
using DSDT overriding, thus useful for debugging ACPI
problems on some machines. Lv Zheng. ACPICA BZ 1005.
References: https://bugs.acpica.org/show_bug.cgi?id=1005
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After many years, different formatting for switch() has crept in.
This change makes every switch block identical. Chao Guan.
ACPICA bugzilla 997.
References: https://bugs.acpica.org/show_bug.cgi?id=997
Signed-off-by: Chao Guan <chao.guan@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Improves configurability of ACPICA.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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To enhance configurability of ACPICA. The new file is
utilities/utbuffer.c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This refers to _REG methods under the EC device that have no
corresponding operation region. This is allowed by the ACPI
specification. This update removes a dependency on having an
ECDT table, and will execute an orphan _REG method as long as
the handler for the EC is installed at the EC device node (not
the namespace root). Rui Zhang (original update), Bob Moore
(update/integrate).
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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"Pathname" is no longer used.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fully implements typechecking on all incoming arguments for all
predefined names. This ensures that ACPI-related drivers are
passing the correct number of arguments, each of the correct
object type.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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BIOS error message for errors found in predefined names.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Change the exception code for the case where the input DdbHandle
is invalid from AE_BAD_PARAMETER to the more appropriate
AE_AML_OPERAND_TYPE.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change fixes a problem introduced by recent commit c34c82b
(ACPICA: Predefine names: Add allowed argument types to master info
table) in 20130328 where _INI methods are no longer executed properly
because of a memory block that is not initialized properly. ACPICA
BZ1016. Tomasz Nowicki <tomasz.nowicki@linaro.org>
References: https://bugs.acpica.org/show_bug.cgi?id=1016
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fixes a possible memory leak in the error exit path introduced by
recent commit 388a990 ("ACPICA: _OSI Support: handle any errors from
acpi_os_acquire_mutex()").
[rjw: Changelog]
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Can only happen under these conditions: 1) The DSDT version is 1,
meaning integers are 32-bits. 2) The field is between 33 and 64
bits long.
It applies cleanly back to ACPICA 20100806+ (Linux v2.6.37+).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: 2.6.37+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Certain external interfaces need to update object references
without holding the interpreter or namespace mutex objects. To
prevent race conditions, add a spinlock around the increment
and decrement of the reference counts for internal ACPI
objects. Reported by Andriy Gapon (avg@FreeBSD.org).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Andriy Gapon <avg@FreeBSD.org>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix a warning on 64-bit for a length value. Cast to 32-bit since
the length is related to an ACPI table.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This option is not used and is obsolete.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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For the case where an attempt is made to take an Index() beyond
the end of a String, Buffer, or Package, emit the actual length
of the object to the error message. Helpful for debugging.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change removes a size mismatch warning if the legacy
length field for a GPE register set is larger than the 64-bit
GAS structure can accomodate. GPE register sets can be larger
than the 255 bit limitation of the GAS structure. Linn Crosetto
(linn@hp.com).
Signed-off-by: Linn Crosetto <linn@hp.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Reported by Colin King.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Remove an extraneous minus/dash. Reported by Colin Ian King.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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No functional change. Includes parameter rename from Tang Chen.
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Check for any errors. Handles possible timeout case if
ACPI_WAIT_FOREVER is changed to be less than "forever".
Jung-uk Kim.
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change adds the infrastructure to enable typechecking
on incoming arguments for the predefined methods/objects. It
does not actually contain the code that will fully utilize this
information. Also condenses some duplicate code for the predefined
names into a new module, utilities/utpredef.c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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For the predefined names that return fully variable-length
packages, allow a zero-length package with no warning, since it
is technically a legal construct (and BIOS writers use it.)
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Flags the case where external control methods are unresolved,
meaning that the disassembler had no idea how many arguments to
parse for the method invocation.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fixes several possible problems with resource templates returned
by _CRS/_PRS/_DMA predefined names. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Used for the _STR and _MLS predefined names. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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New file, nsconvert.c, for return object conversion functions.
Created in preparation for new conversion functions forthcoming.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Adds the framework to allow object repairs very early in the
return object analysis. Enables repairs like string->unicode,
etc. Bob Moore, Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Descriptions to be compiled/used by the acpihelp utility only. Not
compiled for the kernel ACPICA code.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Removal caused a regression on at least FreeBSD. This fix
reinstates the macros.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Ensure that AcpiEnable and AcpiDisable work properly when the
hardware-reduced flag is set in the FADT.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add the actual fixed event name to all messages for clarity.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since 20060317, the pointer to next object is the first element in
its common header. Remove bogus LinkOffset from ACPI_MEMORY_LIST
and directly use NextObject.
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This fixes a global and a pointer cast. Jung-uk Kim.
Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add checks for zero-length resource descriptors in all code that
loops through a resource descriptor list. This prevents possible
infinite loops because the length is used to increment the traveral
pointer and detect the end-of-descriptor.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The second object for each sub-package of the _MLS method is
defined to be a unicode Buffer object. This fixes the predefined
table where this object was incorrectly defined as a String.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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These macros/functions automatically insert a newline, so the
format string should not contain a newline at the end. (This allows
these functions to add information to the end of the output line.)
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Implemented for both the compiler and the disassembler. Often,
the NOOP opcode is used as padding for packages that are changed
dynamically by the BIOS. When disassembled, these NOOPs will
cause syntax errors. This option causes the disassembler to ignore
the NOOP opcode, and it also causes the compiler to ignore NOOP
statements as well.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Tested-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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