diff options
| -rw-r--r-- | source/os_specific/service_layers/osefixf.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/source/os_specific/service_layers/osefixf.c b/source/os_specific/service_layers/osefixf.c index 193381d00..6ba45bb21 100644 --- a/source/os_specific/service_layers/osefixf.c +++ b/source/os_specific/service_layers/osefixf.c @@ -121,8 +121,17 @@ ACPI_MODULE_NAME ("osefixf") +/* Upcalls to AcpiExec */ + +void +AeTableOverride ( + ACPI_TABLE_HEADER *ExistingTable, + ACPI_TABLE_HEADER **NewTable); + /* Local prototypes */ +#ifndef ACPI_USE_NATIVE_RSDP_POINTER + static BOOLEAN AcpiEfiCompareGuid ( EFI_GUID *Guid1, @@ -232,6 +241,74 @@ AcpiOsGetRootPointer ( return (Address); } +#endif + + +/****************************************************************************** + * + * FUNCTION: AcpiOsTableOverride + * + * PARAMETERS: ExistingTable - Header of current table (probably + * firmware) + * NewTable - Where an entire new table is returned. + * + * RETURN: Status, pointer to new table. Null pointer returned if no + * table is available to override + * + * DESCRIPTION: Return a different version of a table if one is available + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsTableOverride ( + ACPI_TABLE_HEADER *ExistingTable, + ACPI_TABLE_HEADER **NewTable) +{ + + if (!ExistingTable || !NewTable) + { + return (AE_BAD_PARAMETER); + } + + *NewTable = NULL; + +#ifdef ACPI_EXEC_APP + + AeTableOverride (ExistingTable, NewTable); + return (AE_OK); +#else + + return (AE_NO_ACPI_TABLES); +#endif +} + + +/****************************************************************************** + * + * FUNCTION: AcpiOsPhysicalTableOverride + * + * PARAMETERS: ExistingTable - Header of current table (probably firmware) + * NewAddress - Where new table address is returned + * (Physical address) + * NewTableLength - Where new table length is returned + * + * RETURN: Status, address/length of new table. Null pointer returned + * if no table is available to override. + * + * DESCRIPTION: Returns AE_SUPPORT, function not used in user space. + * + *****************************************************************************/ + +ACPI_STATUS +AcpiOsPhysicalTableOverride ( + ACPI_TABLE_HEADER *ExistingTable, + ACPI_PHYSICAL_ADDRESS *NewAddress, + UINT32 *NewTableLength) +{ + + return (AE_SUPPORT); +} + /****************************************************************************** * |