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Function renames; dynamic table load/unload

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date	2000.04.19.22.35.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 18:54:38 +00:00
parent 6edebc5073
commit 28ad2d0cfa
3 changed files with 94 additions and 24 deletions
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47
source/components/tables/tbinstal.c
View File

@ -168,6 +168,10 @@ TbInstallTable (
TableType = TableInfo->Type;
TableHeader = TableInfo->Pointer;
/* Lock tables while installing */
CmAcquireMutex (MTX_TABLES);
/* Install the table into the global data structure */
Status = TbInitTableDescriptor (TableInfo->Type, TableInfo);
@ -176,20 +180,19 @@ TbInstallTable (
return_ACPI_STATUS (Status);
}
/* Initialize the typed global pointer for this table */
if (Gbl_AcpiTableData[TableType].GlobalPtr)
{
*(Gbl_AcpiTableData[TableType].GlobalPtr) = TableHeader;
}
DEBUG_PRINT (ACPI_INFO, ("%s located at %p\n",
Gbl_AcpiTableData[TableType].Name, TableHeader));
CmReleaseMutex (MTX_TABLES);
/* Validate checksum for _most_ tables */
if (TableType != TABLE_FACS)
{
/* But don't abort if the checksum is wrong */
/* TBD: make this a configuration option? */
TbVerifyTableChecksum (TableHeader);
}
@ -246,20 +249,14 @@ TbRecognizeTable (
TableType = i;
Status = Gbl_AcpiTableData[i].Status;
/* Set the appropriate global pointer (if there is one) to point to the newly recognized table */
if (Gbl_AcpiTableData[i].GlobalPtr)
{
*(Gbl_AcpiTableData[i].GlobalPtr) = TableInfo->Pointer;
}
break;
}
}
/* Return the table type via the info struct */
/* Return the table type and length via the info struct */
TableInfo->Type = (UINT8) TableType;
TableInfo->Length = TableHeader->Length;
/*
* Bad_Signature means that the table is bad or not one of the recognized tables
@ -346,7 +343,7 @@ TbInitTableDescriptor (
if (ListHead->Pointer)
{
TbFreeAcpiTable (ListHead);
return_ACPI_STATUS (AE_EXIST);
}
TableDesc->Count = 1;
@ -393,9 +390,23 @@ TbInitTableDescriptor (
/* Common initialization of the table descriptor */
TableDesc->Pointer = TableInfo->Pointer;
TableDesc->Length = TableInfo->Length;
TableDesc->Allocation = TableInfo->Allocation;
TableDesc->Pointer = TableInfo->Pointer;
TableDesc->Length = TableInfo->Length;
TableDesc->Allocation = TableInfo->Allocation;
TableDesc->AmlPointer = (UINT8 *) (TableDesc->Pointer + 1),
TableDesc->AmlLength = (UINT32) (TableDesc->Length - (UINT32) sizeof (ACPI_TABLE_HEADER));
TableDesc->TableId = Gbl_TbNextTableId;
TableDesc->LoadedIntoNamespace = FALSE;
Gbl_TbNextTableId++;
/* Set the appropriate global pointer (if there is one) to point to the newly installed table */
if (Gbl_AcpiTableData[TableType].GlobalPtr)
{
*(Gbl_AcpiTableData[TableType].GlobalPtr) = TableInfo->Pointer;
}
return_ACPI_STATUS (AE_OK);

42
source/components/tables/tbutils.c
View File

@ -124,6 +124,48 @@
MODULE_NAME ("tbutils");
/*****************************************************************************
*
* FUNCTION: TbSystemTablePointer
*
* PARAMETERS: *Where - Pointer to be examined
*
* RETURN: TRUE if Where is within the AML stream (in one of the ACPI
* system tables such as the DSDT or an SSDT.)
* FALSE otherwise
*
****************************************************************************/
ACPI_STATUS
TbHandleToObject (
UINT16 TableId,
ACPI_TABLE_DESC **TableDesc)
{
UINT32 i;
ACPI_TABLE_DESC *ListHead;
for (i = 0; i < ACPI_TABLE_MAX; i++)
{
ListHead = &Gbl_AcpiTables[i];
do
{
if (ListHead->TableId == TableId)
{
*TableDesc = ListHead;
return AE_OK;
}
ListHead = ListHead->Next;
} while (ListHead != &Gbl_AcpiTables[i]);
}
DEBUG_PRINT (ACPI_ERROR, ("TableId=0x%X does not exist\n", TableId));
return AE_BAD_PARAMETER;
}
/*****************************************************************************

29
source/components/tables/tbxface.c
View File

@ -118,10 +118,10 @@
#define __TBAPI_C__
#include <acpi.h>
#include <interpreter.h>
#include <acobject.h>
#include <interp.h>
#include <tables.h>
#include <methods.h>
#include <acpiobj.h>
#include <pnp.h>
@ -153,7 +153,7 @@ AcpiLoadFirmwareTables (void)
/* Get the RSDT first */
Status = TbGetTableRsdt (&NumberOfTables, NULL);
Status = TbGetTableRsdt (&NumberOfTables);
if (Status != AE_OK)
{
goto ErrorExit;
@ -176,7 +176,7 @@ AcpiLoadFirmwareTables (void)
ErrorExit:
DEBUG_PRINT (ACPI_ERROR, ("Failure during ACPI Table initialization: %x\n", Status));
DEBUG_PRINT (ACPI_ERROR, ("Failure during ACPI Table Init: %s\n", CmFormatException (Status)));
return_ACPI_STATUS (Status);
}
@ -251,17 +251,34 @@ ACPI_STATUS
AcpiUnloadTable (
ACPI_TABLE_TYPE TableType)
{
ACPI_TABLE_DESC *ListHead;
FUNCTION_TRACE ("AcpiUnloadTable");
/* Parameter validation */
if (TableType > ACPI_TABLE_MAX)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Delete existing table if there is one */
/* Find all tables of the requested type */
TbDeleteAcpiTable (TableType);
ListHead = &Gbl_AcpiTables[TableType];
do
{
/* Delete the entire namespace under this table NTE */
NsDeleteNamespaceByOwner (ListHead->TableId);
/* Delete (or unmap) the actual table */
TbDeleteAcpiTable (TableType);
} while (ListHead != &Gbl_AcpiTables[TableType]);
return_ACPI_STATUS (AE_OK);
}