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Add option to disable method return value validation and repair.

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Runtime option can be used to disable return value repair if this
is causing a problem on a particular machine. Also added an option
to AcpiExec (-dr) to set this disable flag.
This commit is contained in:
Robert Moore 2011-05-27 12:19:24 -07:00
parent b6aa2c7f27
commit a4b5938821
4 changed files with 24 additions and 6 deletions
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18
source/components/namespace/nspredef.c
View File

@ -288,14 +288,20 @@ AcpiNsCheckPredefinedNames (
}
/*
* 1) We have a return value, but if one wasn't expected, just exit, this is
* not a problem. For example, if the "Implicit Return" feature is
* enabled, methods will always return a value.
* Return value validation and possible repair.
*
* 2) If the return value can be of any type, then we cannot perform any
* validation, exit.
* 1) Don't perform return value validation/repair if this feature
* has been disabled via a global option.
*
* 2) We have a return value, but if one wasn't expected, just exit,
* this is not a problem. For example, if the "Implicit Return"
* feature is enabled, methods will always return a value.
*
* 3) If the return value can be of any type, then we cannot perform
* any validation, just exit.
*/
if ((!Predefined->Info.ExpectedBtypes) ||
if (AcpiGbl_DisableAutoRepair ||
(!Predefined->Info.ExpectedBtypes) ||
(Predefined->Info.ExpectedBtypes == ACPI_RTYPE_ALL))
{
goto Cleanup;

6
source/include/acglobal.h
View File

@ -200,6 +200,12 @@ UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CopyDsdtLocally, FALSE);
*/
UINT8 ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses, FALSE);
/*
* Disable runtime checking and repair of values returned by control methods.
* Use only if the repair is causing a problem on a particular machine.
*/
UINT8 ACPI_INIT_GLOBAL (AcpiGbl_DisableAutoRepair, FALSE);
/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */

1
source/include/acpixf.h
View File

@ -148,6 +148,7 @@ extern UINT32 AcpiGbl_TraceFlags;
extern UINT8 AcpiGbl_EnableAmlDebugObject;
extern UINT8 AcpiGbl_CopyDsdtLocally;
extern UINT8 AcpiGbl_TruncateIoAddresses;
extern UINT8 AcpiGbl_DisableAutoRepair;
/*

5
source/tools/acpiexec/aemain.c
View File

@ -165,6 +165,7 @@ usage (void)
printf (" -da Disable method abort on error\n");
printf (" -di Disable execution of STA/INI methods during init\n");
printf (" -do Disable Operation Region address simulation\n");
printf (" -dr Disable repair of method return values\n");
printf (" -dt Disable allocation tracking (performance)\n");
printf ("\n");
@ -505,6 +506,10 @@ main (
AcpiGbl_DbOpt_NoRegionSupport = TRUE;
break;
case 'r':
AcpiGbl_DisableAutoRepair = TRUE;
break;
case 't':
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
AcpiGbl_DisableMemTracking = TRUE;