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AML Parser: ignore all exceptions that result from incorrect AML during table load

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Macros to classify different AML exception codes have been added in
order to ignore the exceptions,

Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
This commit is contained in:
Erik Schmauss 2018-08-02 15:28:50 -07:00
parent 003f3946bf
commit e884d78aab
2 changed files with 17 additions and 8 deletions
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18
source/components/parser/psloop.c
View File

@ -847,16 +847,18 @@ AcpiPsParseLoop (
Status = AE_OK;
}
else if ((WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL) &&
ACPI_FAILURE(Status))
(ACPI_AML_EXCEPTION(Status) || Status == AE_ALREADY_EXISTS ||
Status == AE_NOT_FOUND))
{
/*
* ACPI_PARSE_MODULE_LEVEL means that we are loading a table by
* executing it as a control method. However, if we encounter
* an error while loading the table, we need to keep trying to
* load the table rather than aborting the table load. Set the
* status to AE_OK to proceed with the table load. If we get a
* failure at this point, it means that the dispatcher got an
* error while processing Op (most likely an AML operand error.
* ACPI_PARSE_MODULE_LEVEL flag means that we are currently
* loading a table by executing it as a control method.
* However, if we encounter an error while loading the table,
* we need to keep trying to load the table rather than
* aborting the table load (setting the status to AE_OK
* continues the table load). If we get a failure at this
* point, it means that the dispatcher got an error while
* trying to execute the Op.
*/
Status = AE_OK;
}

7
source/include/acexcep.h
View File

@ -204,6 +204,13 @@ typedef struct acpi_exception_info
#define AE_OK (ACPI_STATUS) 0x0000
#define ACPI_ENV_EXCEPTION(Status) (Status & AE_CODE_ENVIRONMENTAL)
#define ACPI_AML_EXCEPTION(Status) (Status & AE_CODE_AML)
#define ACPI_PROG_EXCEPTION(Status) (Status & AE_CODE_PROGRAMMER)
#define ACPI_TABLE_EXCEPTION(Status) (Status & AE_CODE_ACPI_TABLES)
#define ACPI_CNTL_EXCEPTION(Status) (Status & AE_CODE_CONTROL)
/*
* Environmental exceptions
*/