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ACPICA: Lint changes; Move RSDT/XSDT pointer extraction to separate function; Warning on 32-bit platforms if XSDT pointers use more than 32 bits.

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This commit is contained in:
rmoore1 2006-08-30 22:05:00 +00:00
parent 62d9257b87
commit 35666ec273
2 changed files with 85 additions and 43 deletions
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122
source/components/tables/tbutils.c
View File

@ -1,7 +1,7 @@
/******************************************************************************
*
* Module Name: tbutils - table utilities
* $Revision: 1.82 $
* $Revision: 1.83 $
*
*****************************************************************************/
@ -146,6 +146,11 @@ AcpiTbInitGenericAddress (
UINT8 BitWidth,
UINT64 Address);
static ACPI_PHYSICAL_ADDRESS
AcpiTbGetRootTableEntry (
UINT8 *TableEntry,
ACPI_NATIVE_UINT TableEntrySize);
/* Table used for conversion of FADT to common format */
@ -204,10 +209,10 @@ AcpiTbPrintTableHeader (
ACPI_INFO ((AE_INFO, "RSDP @ 0x%p/0x%04X (v%3.3d %6.6s)",
ACPI_CAST_PTR (void, Address),
(((ACPI_TABLE_RSDP *) Header)->Revision > 0) ?
((ACPI_TABLE_RSDP *) Header)->Length : 20,
((ACPI_TABLE_RSDP *) Header)->Revision,
((ACPI_TABLE_RSDP *) Header)->OemId));
(ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ?
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20,
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision,
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->OemId));
}
else
{
@ -350,7 +355,7 @@ AcpiTbChecksum (
* For ACPI 1.0 FADTs, all address fields are expanded to the corresponding
* "X" fields.
*
* For ACPI 2.0 FADTs, any "X" fields that are NULL are filled in by
* For ACPI 2.0 FADTs, any "X" fields that are NULL are filled in by
* expanding the corresponding ACPI 1.0 field.
*
******************************************************************************/
@ -377,8 +382,8 @@ AcpiTbConvertFadt (
}
/*
* Expand the V1.0 addresses to the "X" generic address structs,
* as necessary.
* Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address
* structures as necessary.
*/
for (i = 0; i < ACPI_FADT_CONVERSION_ENTRIES; i++)
{
@ -391,13 +396,13 @@ AcpiTbConvertFadt (
{
AcpiTbInitGenericAddress (Target,
*ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtConversionTable[i].Length),
*ACPI_ADD_PTR (UINT32, &AcpiGbl_FADT, FadtConversionTable[i].Source));
(UINT64) *ACPI_ADD_PTR (UINT32, &AcpiGbl_FADT, FadtConversionTable[i].Source));
}
}
/*
* Calculate separate GAS structs for the PM1 Enable registers.
* These addresses do not appear (directly) in the FADT, so it is
* These addresses do not appear (directly) in the FADT, so it is
* useful to calculate them once, here.
*
* The PM event blocks are split into two register blocks, first is the
@ -545,7 +550,7 @@ AcpiTbParseFadt (
/* Copy the entire FADT locally */
ACPI_MEMSET (&AcpiGbl_FADT, sizeof (ACPI_TABLE_FADT), 0);
ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
ACPI_MEMCPY (&AcpiGbl_FADT, Table,
ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
@ -565,6 +570,66 @@ AcpiTbParseFadt (
}
/*******************************************************************************
*
* FUNCTION: AcpiTbGetRootTableEntry
*
* PARAMETERS: TableEntry - Pointer to the RSDT/XSDT table entry
* TableEntrySize - sizeof 32 or 64 (RSDT or XSDT)
*
* RETURN: Physical address extracted from the root table
*
* DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on
* both 32-bit and 64-bit platforms
*
* NOTE: ACPI_PHYSICAL_ADDRESS is 32-bit on 32-bit platforms, 64-bit on
* 64-bit platforms.
*
******************************************************************************/
static ACPI_PHYSICAL_ADDRESS
AcpiTbGetRootTableEntry (
UINT8 *TableEntry,
ACPI_NATIVE_UINT TableEntrySize)
{
UINT64 Address64;
/*
* Get the table physical address (32-bit for RSDT, 64-bit for XSDT):
* Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT
*/
if (TableEntrySize == sizeof (UINT32))
{
/*
* 32-bit platform, RSDT: Return 32-bit table entry
* 64-bit platform, RSDT: Expand 32-bit to 64-bit and return
*/
return ((ACPI_PHYSICAL_ADDRESS) (*ACPI_CAST_PTR (UINT32, TableEntry)));
}
else
{
/*
* 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return
* 64-bit platform, XSDT: Move (unaligned) 64-bit to local, return 64-bit
*/
ACPI_MOVE_64_TO_64 (&Address64, TableEntry);
#if ACPI_MACHINE_WIDTH == 32
if (Address64 > ACPI_UINT32_MAX)
{
/* Will truncate 64-bit address to 32 bits */
ACPI_WARNING ((AE_INFO,
"64-bit Physical Address in XSDT is too large (%8.8X%8.8X), truncating",
ACPI_FORMAT_UINT64 (Address64)));
}
#endif
return ((ACPI_PHYSICAL_ADDRESS) (Address64));
}
}
/*******************************************************************************
*
* FUNCTION: AcpiTbParseRootTable
@ -678,7 +743,7 @@ AcpiTbParseRootTable (
/* Calculate the number of tables described in the root table */
TableCount = (Table->Length - sizeof (ACPI_TABLE_HEADER)) / TableEntrySize;
TableCount = (UINT32) ((Table->Length - sizeof (ACPI_TABLE_HEADER)) / TableEntrySize);
/*
* First two entries in the table array are reserved for the DSDT and FACS,
@ -705,33 +770,10 @@ AcpiTbParseRootTable (
}
}
/*
* Get the table physical address (32-bit for RSDT, 64-bit for XSDT)
*/
if ((TableEntrySize == sizeof (UINT32)) ||
(sizeof (ACPI_PHYSICAL_ADDRESS) == sizeof (UINT32)))
{
/*
* 32-bit platform, RSDT: Move 32-bit to 32-bit
* 32-bit platform, XSDT: Truncate 64-bit to 32-bit
* 64-bit platform, RSDT: Expand 32-bit to 64-bit
*
* Note: Addresses are 32-bit aligned in both RSDT and XSDT
*/
AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Address =
(ACPI_PHYSICAL_ADDRESS) (*ACPI_CAST_PTR (UINT32, TableEntry));
}
else
{
/*
* 64-bit platform, XSDT: Move 64-bit to 64-bit
*
* Note: 64-bit addresses are only 32-bit aligned in the XSDT
*/
ACPI_MOVE_64_TO_64 (
&AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Address,
TableEntry);
}
/* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Address =
AcpiTbGetRootTableEntry (TableEntry, TableEntrySize);
TableEntry += TableEntrySize;
AcpiGbl_RootTableList.Count++;
@ -752,7 +794,7 @@ AcpiTbParseRootTable (
AcpiTbInstallTable (AcpiGbl_RootTableList.Tables[i].Address,
Flags, NULL, i);
/* Special case for FADT - get the DSDT and FACS */
/* Special case for FADT - get the DSDT and FACS */
if (ACPI_COMPARE_NAME (
&AcpiGbl_RootTableList.Tables[i].Signature, ACPI_SIG_FADT))

6
source/components/tables/tbxface.c
View File

@ -2,7 +2,7 @@
*
* Module Name: tbxface - Public interfaces to the ACPI subsystem
* ACPI table oriented interfaces
* $Revision: 1.81 $
* $Revision: 1.82 $
*
*****************************************************************************/
@ -189,8 +189,8 @@ AcpiInitializeTables (
{
/* Root Table Array has been statically allocated by the host */
ACPI_MEMSET (InitialTableArray,
InitialTableCount * sizeof (ACPI_TABLE_DESC), 0);
ACPI_MEMSET (InitialTableArray, 0,
InitialTableCount * sizeof (ACPI_TABLE_DESC));
AcpiGbl_RootTableList.Tables = InitialTableArray;
AcpiGbl_RootTableList.Size = InitialTableCount;