/*
* Map a table at a given offset into the crashdump map. It first
* maps the header to determine the table length and then maps the
* entire table.
*/
static void *
map_table(vm_paddr_t pa, int offset, const char *sig)
{
ACPI_TABLE_HEADER *header;
vm_offset_t length;
void *table;
header = table_map(pa, offset, sizeof(ACPI_TABLE_HEADER));
if (strncmp(header->Signature, sig, ACPI_NAME_SIZE) != 0) {
table_unmap(header, sizeof(ACPI_TABLE_HEADER));
return (NULL);
}
length = header->Length;
table_unmap(header, sizeof(ACPI_TABLE_HEADER));
table = table_map(pa, offset, length);
if (ACPI_FAILURE(AcpiTbChecksum(table, length))) {
if (bootverbose)
printf("ACPI: Failed checksum for table %s\n", sig);
#if (ACPI_CHECKSUM_ABORT)
table_unmap(table, length);
return (NULL);
#endif
}
return (table);
}
void *
acpi_find_table(const char *sig)
{
ACPI_PHYSICAL_ADDRESS rsdp_ptr;
ACPI_TABLE_RSDP *rsdp;
ACPI_TABLE_XSDT *xsdt;
ACPI_TABLE_HEADER *table;
UINT64 addr;
u_int i, count;
if ((rsdp_ptr = AcpiOsGetRootPointer()) == 0)
return (NULL);
rsdp = (ACPI_TABLE_RSDP *)IA64_PHYS_TO_RR7(rsdp_ptr);
xsdt = (ACPI_TABLE_XSDT *)IA64_PHYS_TO_RR7(rsdp->XsdtPhysicalAddress);
count = (UINT64 *)((char *)xsdt + xsdt->Header.Length) -
xsdt->TableOffsetEntry;
for (i = 0; i < count; i++) {
addr = xsdt->TableOffsetEntry[i];
table = (ACPI_TABLE_HEADER *)IA64_PHYS_TO_RR7(addr);
if (strncmp(table->Signature, sig, ACPI_NAME_SIZE) != 0)
continue;
if (ACPI_FAILURE(AcpiTbChecksum((void *)table, table->Length)))
continue;
return (table);
}
return (NULL);
}
void
ExInitializeAcpiTables (
void)
{
/* Setup RSDP */
Rsdp->RsdtPhysicalAddress = (UINT32) ACPI_TO_INTEGER (RsdtCode);
Rsdp->XsdtPhysicalAddress = (UINT64) ACPI_TO_INTEGER (XsdtCode);
/* RSDT and XSDT */
Rsdt->TableOffsetEntry[0] = (UINT32) ACPI_TO_INTEGER (FadtCode);
Xsdt->TableOffsetEntry[0] = (UINT64) ACPI_TO_INTEGER (FadtCode);
/* FADT */
Fadt->Facs = 0;
Fadt->Dsdt = 0;
Fadt->XFacs = (UINT64) ACPI_TO_INTEGER (FacsCode);
Fadt->XDsdt = (UINT64) ACPI_TO_INTEGER (DsdtCode);
/* Set new checksums for the modified tables */
Rsdp->Checksum = 0;
Rsdp->Checksum = (UINT8) -AcpiTbChecksum (
(void *) RsdpCode, ACPI_RSDP_CHECKSUM_LENGTH);
Rsdt->Header.Checksum = 0;
Rsdt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) Rsdt, Rsdt->Header.Length);
Xsdt->Header.Checksum = 0;
Xsdt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) Xsdt, Xsdt->Header.Length);
Fadt->Header.Checksum = 0;
Fadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) Fadt, Fadt->Header.Length);
}
static void
DtSum (
DT_SUBTABLE *Subtable,
void *Context,
void *ReturnValue)
{
UINT8 Checksum;
UINT8 *Sum = ReturnValue;
Checksum = AcpiTbChecksum (Subtable->Buffer, Subtable->Length);
*Sum = (UINT8) (*Sum + Checksum);
}
static ACPI_STATUS
AcpiTbValidateRsdp (
ACPI_TABLE_RSDP *Rsdp)
{
ACPI_FUNCTION_ENTRY ();
/*
* The signature and checksum must both be correct
*
* Note: Sometimes there exists more than one RSDP in memory; the valid
* RSDP has a valid checksum, all others have an invalid checksum.
*/
if (ACPI_STRNCMP ((char *) Rsdp, ACPI_SIG_RSDP,
sizeof (ACPI_SIG_RSDP)-1) != 0)
{
/* Nope, BAD Signature */
return (AE_BAD_SIGNATURE);
}
/* Check the standard checksum */
if (AcpiTbChecksum ((UINT8 *) Rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0)
{
return (AE_BAD_CHECKSUM);
}
/* Check extended checksum if table version >= 2 */
if ((Rsdp->Revision >= 2) &&
(AcpiTbChecksum ((UINT8 *) Rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0))
{
return (AE_BAD_CHECKSUM);
}
return (AE_OK);
}
/*
* Count the number of local SAPIC entries in the APIC table. Every enabled
* entry corresponds to a processor.
*/
int
ia64_count_cpus(void)
{
ACPI_PHYSICAL_ADDRESS rsdp_ptr;
ACPI_MADT_LOCAL_SAPIC *entry;
ACPI_TABLE_MADT *table;
ACPI_TABLE_RSDP *rsdp;
ACPI_TABLE_XSDT *xsdt;
char *end, *p;
int cpus, t, tables;
if ((rsdp_ptr = AcpiOsGetRootPointer()) == 0)
return (0);
rsdp = (ACPI_TABLE_RSDP *)IA64_PHYS_TO_RR7(rsdp_ptr);
xsdt = (ACPI_TABLE_XSDT *)IA64_PHYS_TO_RR7(rsdp->XsdtPhysicalAddress);
tables = (UINT64 *)((char *)xsdt + xsdt->Header.Length) -
xsdt->TableOffsetEntry;
cpus = 0;
for (t = 0; t < tables; t++) {
table = (ACPI_TABLE_MADT *)
IA64_PHYS_TO_RR7(xsdt->TableOffsetEntry[t]);
if (strncmp(table->Header.Signature, ACPI_SIG_MADT,
ACPI_NAME_SIZE) != 0 ||
ACPI_FAILURE(AcpiTbChecksum((void *)table,
table->Header.Length)))
continue;
end = (char *)table + table->Header.Length;
p = (char *)(table + 1);
while (p < end) {
entry = (ACPI_MADT_LOCAL_SAPIC *)p;
if (entry->Header.Type == ACPI_MADT_TYPE_LOCAL_SAPIC &&
(entry->LapicFlags & ACPI_MADT_ENABLED))
cpus++;
p += entry->Header.Length;
}
}
return (cpus);
}
ACPI_STATUS
AcpiTbVerifyChecksum (
ACPI_TABLE_HEADER *Table,
UINT32 Length)
{
UINT8 Checksum;
/*
* FACS/S3PT:
* They are the odd tables, have no standard ACPI header and no checksum
*/
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_S3PT) ||
ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_FACS))
{
return (AE_OK);
}
/* Compute the checksum on the table */
Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Length);
/* Checksum ok? (should be zero) */
if (Checksum)
{
ACPI_BIOS_WARNING ((AE_INFO,
"Incorrect checksum in table [%4.4s] - 0x%2.2X, "
"should be 0x%2.2X",
Table->Signature, Table->Checksum,
(UINT8) (Table->Checksum - Checksum)));
#if (ACPI_CHECKSUM_ABORT)
return (AE_BAD_CHECKSUM);
#endif
}
return (AE_OK);
}
static void
AeInitializeTableHeader (
ACPI_TABLE_HEADER *Header,
char *Signature,
UINT32 Length)
{
ACPI_MOVE_NAME (Header->Signature, Signature);
Header->Length = Length;
Header->OemRevision = 0x1001;
strncpy (Header->OemId, "Intel", ACPI_OEM_ID_SIZE);
strncpy (Header->OemTableId, "AcpiExec", ACPI_OEM_TABLE_ID_SIZE);
strncpy (Header->AslCompilerId, "INTL", ACPI_NAME_SIZE);
Header->AslCompilerRevision = ACPI_CA_VERSION;
/* Set the checksum, must set to zero first */
Header->Checksum = 0;
Header->Checksum = (UINT8) -AcpiTbChecksum (
(void *) Header, Header->Length);
}
UINT8 *
AcpiTbScanMemoryForRsdp (
UINT8 *StartAddress,
UINT32 Length)
{
UINT32 Offset;
UINT8 *MemRover;
ACPI_FUNCTION_TRACE ("TbScanMemoryForRsdp");
/* Search from given start addr for the requested length */
for (Offset = 0, MemRover = StartAddress;
Offset < Length;
Offset += ACPI_RSDP_SCAN_STEP, MemRover += ACPI_RSDP_SCAN_STEP)
{
/* The signature and checksum must both be correct */
if (ACPI_STRNCMP ((char *) MemRover,
RSDP_SIG, sizeof (RSDP_SIG)-1) == 0 &&
AcpiTbChecksum (MemRover, ACPI_RSDP_CHECKSUM_LENGTH) == 0)
{
/* If so, we have found the RSDP */
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"RSDP located at physical address %p\n",MemRover));
return_PTR (MemRover);
}
}
/* Searched entire block, no RSDP was found */
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,"Searched entire block, no RSDP was found.\n"));
return_PTR (NULL);
}
ACPI_STATUS
AeBuildLocalTables (
ACPI_NEW_TABLE_DESC *ListHead)
{
UINT32 TableCount = 1;
ACPI_PHYSICAL_ADDRESS DsdtAddress = 0;
UINT32 XsdtSize;
ACPI_NEW_TABLE_DESC *NextTable;
UINT32 NextIndex;
ACPI_TABLE_FADT *ExternalFadt = NULL;
/*
* Update the table count. For the DSDT, it is not put into the XSDT.
* For the FADT, this table is already accounted for since we usually
* install a local FADT.
*/
NextTable = ListHead;
while (NextTable)
{
if (!ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) &&
!ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
TableCount++;
}
NextTable = NextTable->Next;
}
XsdtSize = (((TableCount + 1) * sizeof (UINT64)) +
sizeof (ACPI_TABLE_HEADER));
if (AcpiGbl_LoadTestTables)
{
XsdtSize += BASE_XSDT_SIZE;
}
/* Build an XSDT */
LocalXSDT = AcpiOsAllocate (XsdtSize);
if (!LocalXSDT)
{
return (AE_NO_MEMORY);
}
memset (LocalXSDT, 0, XsdtSize);
LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
NextIndex = 1;
/*
* Install the user tables. The DSDT must be installed in the FADT.
* All other tables are installed directly into the XSDT.
*/
NextTable = ListHead;
while (NextTable)
{
/*
* Incoming DSDT or FADT are special cases. All other tables are
* just immediately installed into the XSDT.
*/
if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT))
{
if (DsdtAddress)
{
printf ("Already found a DSDT, only one allowed\n");
return (AE_ALREADY_EXISTS);
}
/* The incoming user table is a DSDT */
DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
DsdtToInstallOverride = NextTable->Table;
}
else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table);
LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
}
else
{
/* Install the table in the XSDT */
LocalXSDT->TableOffsetEntry[NextIndex] =
ACPI_PTR_TO_PHYSADDR (NextTable->Table);
NextIndex++;
}
NextTable = NextTable->Next;
}
/* Install the optional extra local tables */
if (AcpiGbl_LoadTestTables)
{
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalTEST);
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE);
/* Install two SSDTs to test multiple table support */
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code);
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code);
/* Install the OEM1 table to test LoadTable */
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Oem1Code);
/* Install the OEMx table to test LoadTable */
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&OemxCode);
/* Install the ECDT table to test _REG */
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&EcdtCode);
/* Install two UEFIs to test multiple table support */
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi1Code);
LocalXSDT->TableOffsetEntry[NextIndex++] = ACPI_PTR_TO_PHYSADDR (&Uefi2Code);
}
/* Build an RSDP. Contains a valid XSDT only, no RSDT */
memset (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature);
memcpy (LocalRSDP.OemId, "Intel", 6);
LocalRSDP.Revision = 2;
LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT);
LocalRSDP.Length = sizeof (ACPI_TABLE_RSDP);
/* Set checksums for both XSDT and RSDP */
AeInitializeTableHeader ((void *) LocalXSDT, ACPI_SIG_XSDT, XsdtSize);
LocalRSDP.Checksum = 0;
LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);
if (!DsdtAddress)
{
/* Use the local DSDT because incoming table(s) are all SSDT(s) */
DsdtAddress = ACPI_PTR_TO_PHYSADDR (LocalDsdtCode);
DsdtToInstallOverride = ACPI_CAST_PTR (ACPI_TABLE_HEADER, LocalDsdtCode);
}
/*
* Build an FADT. There are three options for the FADT:
* 1) Incoming external FADT specified on the command line
* 2) A "hardware reduced" local FADT
* 3) A fully featured local FADT
*/
memset (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));
if (ExternalFadt)
{
/*
* Use the external FADT, but we must update the DSDT/FACS
* addresses as well as the checksum
*/
ExternalFadt->Dsdt = (UINT32) DsdtAddress;
if (!AcpiGbl_ReducedHardware)
{
ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
}
/*
* If there room in the FADT for the XDsdt and XFacs 64-bit
* pointers, use them.
*/
if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (
&ExternalFadt->XDsdt, ExternalFadt))
{
ExternalFadt->Dsdt = 0;
ExternalFadt->Facs = 0;
ExternalFadt->XDsdt = DsdtAddress;
if (!AcpiGbl_ReducedHardware)
{
ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
}
}
/* Complete the external FADT with the checksum */
ExternalFadt->Header.Checksum = 0;
ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) ExternalFadt, ExternalFadt->Header.Length);
}
else if (AcpiGbl_UseHwReducedFadt)
{
memcpy (&LocalFADT, HwReducedFadtCode, ACPI_FADT_V5_SIZE);
LocalFADT.Dsdt = 0;
LocalFADT.XDsdt = DsdtAddress;
}
else
{
/*
* Build a local FADT so we can test the hardware/event init
*/
LocalFADT.Header.Revision = 5;
/* Setup FADT header and DSDT/FACS addresses */
LocalFADT.Dsdt = 0;
LocalFADT.Facs = 0;
LocalFADT.XDsdt = DsdtAddress;
LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
/* Miscellaneous FADT fields */
LocalFADT.Gpe0BlockLength = 0x08;
LocalFADT.Gpe0Block = 0x00001234;
LocalFADT.Gpe1BlockLength = 0x80;
LocalFADT.Gpe1Block = 0x00005678;
LocalFADT.Gpe1Base = 100;
LocalFADT.Pm1EventLength = 4;
LocalFADT.Pm1aEventBlock = 0x00001aaa;
LocalFADT.Pm1bEventBlock = 0x00001bbb;
LocalFADT.Pm1ControlLength = 2;
LocalFADT.Pm1aControlBlock = 0xB0;
LocalFADT.PmTimerLength = 4;
LocalFADT.PmTimerBlock = 0xA0;
LocalFADT.Pm2ControlBlock = 0xC0;
LocalFADT.Pm2ControlLength = 1;
/* Setup one example X-64 GAS field */
LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
LocalFADT.XPm1bEventBlock.BitWidth = (UINT8)
ACPI_MUL_8 (LocalFADT.Pm1EventLength);
}
AeInitializeTableHeader ((void *) &LocalFADT,
ACPI_SIG_FADT, sizeof (ACPI_TABLE_FADT));
/* Build a FACS */
memset (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS);
LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
LocalFACS.GlobalLock = 0x11AA0011;
/* Build the optional local tables */
if (AcpiGbl_LoadTestTables)
{
/*
* Build a fake table [TEST] so that we make sure that the
* ACPICA core ignores it
*/
memset (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER));
ACPI_MOVE_NAME (LocalTEST.Signature, "TEST");
LocalTEST.Revision = 1;
LocalTEST.Length = sizeof (ACPI_TABLE_HEADER);
LocalTEST.Checksum = 0;
LocalTEST.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalTEST, LocalTEST.Length);
/*
* Build a fake table with a bad signature [BAD!] so that we make
* sure that the ACPICA core ignores it
*/
memset (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER));
ACPI_MOVE_NAME (LocalBADTABLE.Signature, "BAD!");
LocalBADTABLE.Revision = 1;
LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER);
LocalBADTABLE.Checksum = 0;
LocalBADTABLE.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalBADTABLE, LocalBADTABLE.Length);
}
return (AE_OK);
}
/*
* Return the physical address of the requested table or zero if one
* is not found.
*/
vm_paddr_t
acpi_find_table(const char *sig)
{
ACPI_PHYSICAL_ADDRESS rsdp_ptr;
ACPI_TABLE_RSDP *rsdp;
ACPI_TABLE_XSDT *xsdt;
ACPI_TABLE_HEADER *table;
vm_paddr_t addr;
int i, count;
if (resource_disabled("acpi", 0))
return (0);
/*
* Map in the RSDP. Since ACPI uses AcpiOsMapMemory() which in turn
* calls pmap_mapbios() to find the RSDP, we assume that we can use
* pmap_mapbios() to map the RSDP.
*/
if ((rsdp_ptr = AcpiOsGetRootPointer()) == 0)
return (0);
rsdp = pmap_mapbios(rsdp_ptr, sizeof(ACPI_TABLE_RSDP));
if (rsdp == NULL) {
if (bootverbose)
printf("ACPI: Failed to map RSDP\n");
return (0);
}
addr = 0;
if (rsdp->Revision >= 2 && rsdp->XsdtPhysicalAddress != 0) {
/*
* AcpiOsGetRootPointer only verifies the checksum for
* the version 1.0 portion of the RSDP. Version 2.0 has
* an additional checksum that we verify first.
*/
if (AcpiTbChecksum((UINT8 *)rsdp, ACPI_RSDP_XCHECKSUM_LENGTH)) {
if (bootverbose)
printf("ACPI: RSDP failed extended checksum\n");
return (0);
}
xsdt = map_table(rsdp->XsdtPhysicalAddress, 2, ACPI_SIG_XSDT);
if (xsdt == NULL) {
if (bootverbose)
printf("ACPI: Failed to map XSDT\n");
pmap_unmapbios((vm_offset_t)rsdp,
sizeof(ACPI_TABLE_RSDP));
return (0);
}
count = (xsdt->Header.Length - sizeof(ACPI_TABLE_HEADER)) /
sizeof(UINT64);
for (i = 0; i < count; i++)
if (probe_table(xsdt->TableOffsetEntry[i], sig)) {
addr = xsdt->TableOffsetEntry[i];
break;
}
acpi_unmap_table(xsdt);
}
pmap_unmapbios((vm_offset_t)rsdp, sizeof(ACPI_TABLE_RSDP));
if (addr == 0) {
if (bootverbose)
printf("ACPI: No %s table found\n", sig);
return (0);
}
if (bootverbose)
printf("%s: Found table at 0x%jx\n", sig, (uintmax_t)addr);
/*
* Verify that we can map the full table and that its checksum is
* correct, etc.
*/
table = map_table(addr, 0, sig);
if (table == NULL)
return (0);
acpi_unmap_table(table);
return (addr);
}
void
ia64_probe_sapics(void)
{
ACPI_PHYSICAL_ADDRESS rsdp_ptr;
ACPI_SUBTABLE_HEADER *entry;
ACPI_TABLE_MADT *table;
ACPI_TABLE_RSDP *rsdp;
ACPI_TABLE_XSDT *xsdt;
char *end, *p;
int t, tables;
if ((rsdp_ptr = AcpiOsGetRootPointer()) == 0)
return;
rsdp = (ACPI_TABLE_RSDP *)IA64_PHYS_TO_RR7(rsdp_ptr);
xsdt = (ACPI_TABLE_XSDT *)IA64_PHYS_TO_RR7(rsdp->XsdtPhysicalAddress);
tables = (UINT64 *)((char *)xsdt + xsdt->Header.Length) -
xsdt->TableOffsetEntry;
for (t = 0; t < tables; t++) {
table = (ACPI_TABLE_MADT *)
IA64_PHYS_TO_RR7(xsdt->TableOffsetEntry[t]);
if (bootverbose)
printf("Table '%c%c%c%c' at %p\n",
table->Header.Signature[0],
table->Header.Signature[1],
table->Header.Signature[2],
table->Header.Signature[3], table);
if (strncmp(table->Header.Signature, ACPI_SIG_MADT,
ACPI_NAME_SIZE) != 0 ||
ACPI_FAILURE(AcpiTbChecksum((void *)table,
table->Header.Length)))
continue;
/* Save the address of the processor interrupt block. */
if (bootverbose)
printf("\tLocal APIC address=0x%x\n", table->Address);
ia64_lapic_addr = table->Address;
end = (char *)table + table->Header.Length;
p = (char *)(table + 1);
while (p < end) {
entry = (ACPI_SUBTABLE_HEADER *)p;
if (bootverbose)
print_entry(entry);
switch (entry->Type) {
case ACPI_MADT_TYPE_IO_SAPIC: {
ACPI_MADT_IO_SAPIC *sapic =
(ACPI_MADT_IO_SAPIC *)entry;
sapic_create(sapic->Id, sapic->GlobalIrqBase,
sapic->Address);
break;
}
case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE: {
ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic =
(ACPI_MADT_LOCAL_APIC_OVERRIDE *)entry;
ia64_lapic_addr = lapic->Address;
break;
}
#ifdef SMP
case ACPI_MADT_TYPE_LOCAL_SAPIC: {
ACPI_MADT_LOCAL_SAPIC *sapic =
(ACPI_MADT_LOCAL_SAPIC *)entry;
if (sapic->LapicFlags & ACPI_MADT_ENABLED)
cpu_mp_add(sapic->ProcessorId,
sapic->Id, sapic->Eid);
break;
}
#endif
default:
break;
}
p += entry->Length;
}
}
}
static void
AdCreateTableHeader (
char *Filename,
ACPI_TABLE_HEADER *Table)
{
char *NewFilename;
UINT8 Checksum;
/*
* Print file header and dump original table header
*/
AdDisassemblerHeader (Filename);
AcpiOsPrintf (" * Original Table Header:\n");
AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature);
AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length);
/* Print and validate the revision */
AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision);
switch (Table->Revision)
{
case 0:
AcpiOsPrintf (" **** Invalid Revision");
break;
case 1:
/* Revision of DSDT controls the ACPI integer width */
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
{
AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support");
}
break;
default:
break;
}
AcpiOsPrintf ("\n");
/* Print and validate the table checksum */
AcpiOsPrintf (" * Checksum 0x%2.2X", Table->Checksum);
Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length);
if (Checksum)
{
AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X",
(UINT8) (Table->Checksum - Checksum));
}
AcpiOsPrintf ("\n");
AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId);
AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId);
AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision);
AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId);
AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision);
AcpiOsPrintf (" */\n");
/* Create AML output filename based on input filename */
if (Filename)
{
NewFilename = FlGenerateFilename (Filename, "aml");
}
else
{
NewFilename = ACPI_ALLOCATE_ZEROED (9);
strncat (NewFilename, Table->Signature, 4);
strcat (NewFilename, ".aml");
}
/* Open the ASL definition block */
AcpiOsPrintf (
"DefinitionBlock (\"%s\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n",
NewFilename, Table->Signature, Table->Revision,
Table->OemId, Table->OemTableId, Table->OemRevision);
ACPI_FREE (NewFilename);
}
ACPI_STATUS
AcpiGetFirmwareTable (
ACPI_STRING Signature,
UINT32 Instance,
UINT32 Flags,
ACPI_TABLE_HEADER **TablePointer)
{
ACPI_POINTER RsdpAddress;
ACPI_POINTER Address;
ACPI_STATUS Status;
ACPI_TABLE_HEADER Header;
ACPI_TABLE_DESC TableInfo;
ACPI_TABLE_DESC RsdtInfo;
UINT32 TableCount;
UINT32 i;
UINT32 j;
ACPI_FUNCTION_TRACE ("AcpiGetFirmwareTable");
/*
* Ensure that at least the table manager is initialized. We don't
* require that the entire ACPI subsystem is up for this interface
*/
/*
* If we have a buffer, we must have a length too
*/
if ((Instance == 0) ||
(!Signature) ||
(!TablePointer))
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
RsdtInfo.Pointer = NULL;
if (!AcpiGbl_RSDP)
{
/* Get the RSDP */
Status = AcpiOsGetRootPointer (Flags, &RsdpAddress);
if (ACPI_FAILURE (Status))
{
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "RSDP not found\n"));
return_ACPI_STATUS (AE_NO_ACPI_TABLES);
}
/* Map and validate the RSDP */
if ((Flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING)
{
Status = AcpiOsMapMemory (RsdpAddress.Pointer.Physical, sizeof (RSDP_DESCRIPTOR),
(void **) &AcpiGbl_RSDP);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
else
{
AcpiGbl_RSDP = RsdpAddress.Pointer.Logical;
}
/*
* The signature and checksum must both be correct
*/
if (ACPI_STRNCMP ((char *) AcpiGbl_RSDP, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0)
{
/* Nope, BAD Signature */
return_ACPI_STATUS (AE_BAD_SIGNATURE);
}
if (AcpiTbChecksum (AcpiGbl_RSDP, ACPI_RSDP_CHECKSUM_LENGTH) != 0)
{
/* Nope, BAD Checksum */
return_ACPI_STATUS (AE_BAD_CHECKSUM);
}
}
/* Get the RSDT and validate it */
AcpiTbGetRsdtAddress (&Address);
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"RSDP located at %p, RSDT physical=%8.8X%8.8X \n",
AcpiGbl_RSDP,
ACPI_HIDWORD (Address.Pointer.Value),
ACPI_LODWORD (Address.Pointer.Value)));
/* Insert ProcessorMode flags */
Address.PointerType |= Flags;
Status = AcpiTbGetTable (&Address, &RsdtInfo);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Status = AcpiTbValidateRsdt (RsdtInfo.Pointer);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Get the number of table pointers within the RSDT */
TableCount = AcpiTbGetTableCount (AcpiGbl_RSDP, RsdtInfo.Pointer);
Address.PointerType = AcpiGbl_TableFlags | Flags;
/*
* Search the RSDT/XSDT for the correct instance of the
* requested table
*/
for (i = 0, j = 0; i < TableCount; i++)
{
/* Get the next table pointer, handle RSDT vs. XSDT */
if (AcpiGbl_RSDP->Revision < 2)
{
Address.Pointer.Value = ((RSDT_DESCRIPTOR *) RsdtInfo.Pointer)->TableOffsetEntry[i];
}
else
{
Address.Pointer.Value = ACPI_GET_ADDRESS (
((XSDT_DESCRIPTOR *) RsdtInfo.Pointer)->TableOffsetEntry[i]);
}
/* Get the table header */
Status = AcpiTbGetTableHeader (&Address, &Header);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Compare table signatures and table instance */
if (!ACPI_STRNCMP (Header.Signature, Signature, ACPI_NAME_SIZE))
{
/* An instance of the table was found */
j++;
if (j >= Instance)
{
/* Found the correct instance, get the entire table */
Status = AcpiTbGetTableBody (&Address, &Header, &TableInfo);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
*TablePointer = TableInfo.Pointer;
goto Cleanup;
}
}
}
/* Did not find the table */
Status = AE_NOT_EXIST;
Cleanup:
AcpiOsUnmapMemory (RsdtInfo.Pointer, (ACPI_SIZE) RsdtInfo.Pointer->Length);
return_ACPI_STATUS (Status);
}
static void
AdCreateTableHeader (
char *Filename,
ACPI_TABLE_HEADER *Table)
{
UINT8 Checksum;
/* Reset globals for External statements */
AcpiGbl_NumExternalMethods = 0;
AcpiGbl_ResolvedExternalMethods = 0;
/*
* Print file header and dump original table header
*/
AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE);
AcpiOsPrintf (" * Original Table Header:\n");
AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature);
AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length);
/* Print and validate the revision */
AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision);
switch (Table->Revision)
{
case 0:
AcpiOsPrintf (" **** Invalid Revision");
break;
case 1:
/* Revision of DSDT controls the ACPI integer width */
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
{
AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support");
}
break;
default:
break;
}
/* Print and validate the table checksum */
AcpiOsPrintf ("\n * Checksum 0x%2.2X", Table->Checksum);
Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length);
if (Checksum)
{
AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X",
(UINT8) (Table->Checksum - Checksum));
}
AcpiOsPrintf ("\n");
AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId);
AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId);
AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision);
AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId);
AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision);
AcpiOsPrintf (" */\n");
/*
* Open the ASL definition block.
*
* Note: the AMLFilename string is left zero-length in order to just let
* the compiler create it when the disassembled file is compiled. This
* makes it easier to rename the disassembled ASL file if needed.
*/
AcpiOsPrintf (
"DefinitionBlock (\"\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n",
Table->Signature, Table->Revision,
Table->OemId, Table->OemTableId, Table->OemRevision);
}
ACPI_STATUS
AeBuildLocalTables (
UINT32 TableCount,
AE_TABLE_DESC *TableList)
{
ACPI_PHYSICAL_ADDRESS DsdtAddress = 0;
UINT32 XsdtSize;
AE_TABLE_DESC *NextTable;
UINT32 NextIndex;
ACPI_TABLE_FADT *ExternalFadt = NULL;
/*
* Update the table count. For DSDT, it is not put into the XSDT. For
* FADT, this is already accounted for since we usually install a
* local FADT.
*/
NextTable = TableList;
while (NextTable)
{
if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) ||
ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
TableCount--;
}
NextTable = NextTable->Next;
}
XsdtSize = BASE_XSDT_SIZE + (TableCount * sizeof (UINT64));
/* Build an XSDT */
LocalXSDT = AcpiOsAllocate (XsdtSize);
if (!LocalXSDT)
{
return (AE_NO_MEMORY);
}
ACPI_MEMSET (LocalXSDT, 0, XsdtSize);
ACPI_MOVE_NAME (LocalXSDT->Header.Signature, ACPI_SIG_XSDT);
LocalXSDT->Header.Length = XsdtSize;
LocalXSDT->Header.Revision = 1;
LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
/*
* Install the user tables. The DSDT must be installed in the FADT.
* All other tables are installed directly into the XSDT.
*/
NextIndex = BASE_XSDT_TABLES;
NextTable = TableList;
while (NextTable)
{
/*
* Incoming DSDT or FADT are special cases. All other tables are
* just immediately installed into the XSDT.
*/
if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT))
{
if (DsdtAddress)
{
printf ("Already found a DSDT, only one allowed\n");
return (AE_ALREADY_EXISTS);
}
/* The incoming user table is a DSDT */
DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
}
else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table);
LocalXSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
}
else
{
/* Install the table in the XSDT */
LocalXSDT->TableOffsetEntry[NextIndex] = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
NextIndex++;
}
NextTable = NextTable->Next;
}
/* Build an RSDP */
ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature);
ACPI_MEMCPY (LocalRSDP.OemId, "I_TEST", 6);
LocalRSDP.Revision = 2;
LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT);
LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT);
/* Set checksums for both XSDT and RSDP */
LocalXSDT->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) LocalXSDT, LocalXSDT->Header.Length);
LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);
if (!DsdtAddress)
{
return (AE_SUPPORT);
}
if (ExternalFadt)
{
/*
* Use the external FADT, but we must update the DSDT/FACS addresses
* as well as the checksum
*/
ExternalFadt->Dsdt = DsdtAddress;
ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (&ExternalFadt->XDsdt, ExternalFadt))
{
ExternalFadt->XDsdt = DsdtAddress;
ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
}
/* Complete the FADT with the checksum */
ExternalFadt->Header.Checksum = 0;
ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) ExternalFadt, ExternalFadt->Header.Length);
}
else
{
/*
* Build a local FADT so we can test the hardware/event init
*/
ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));
ACPI_MOVE_NAME (LocalFADT.Header.Signature, ACPI_SIG_FADT);
/* Setup FADT header and DSDT/FACS addresses */
LocalFADT.Dsdt = 0;
LocalFADT.Facs = 0;
LocalFADT.XDsdt = DsdtAddress;
LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
LocalFADT.Header.Revision = 3;
LocalFADT.Header.Length = sizeof (ACPI_TABLE_FADT);
/* Miscellaneous FADT fields */
LocalFADT.Gpe0BlockLength = 16;
LocalFADT.Gpe0Block = 0x00001234;
LocalFADT.Gpe1BlockLength = 6;
LocalFADT.Gpe1Block = 0x00005678;
LocalFADT.Gpe1Base = 96;
LocalFADT.Pm1EventLength = 4;
LocalFADT.Pm1aEventBlock = 0x00001aaa;
LocalFADT.Pm1bEventBlock = 0x00001bbb;
LocalFADT.Pm1ControlLength = 2;
LocalFADT.Pm1aControlBlock = 0xB0;
LocalFADT.PmTimerLength = 4;
LocalFADT.PmTimerBlock = 0xA0;
LocalFADT.Pm2ControlBlock = 0xC0;
LocalFADT.Pm2ControlLength = 1;
/* Setup one example X-64 field */
LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength);
/* Complete the FADT with the checksum */
LocalFADT.Header.Checksum = 0;
LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalFADT, LocalFADT.Header.Length);
}
/* Build a FACS */
ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS);
LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
LocalFACS.GlobalLock = 0x11AA0011;
return (AE_OK);
}
ACPI_STATUS
AnBuildLocalTables (
ACPI_NEW_TABLE_DESC *TableList)
{
UINT32 TableCount = 0;
ACPI_PHYSICAL_ADDRESS DsdtAddress = 0;
UINT32 XsdtSize;
ACPI_NEW_TABLE_DESC *NextTable;
UINT32 NextIndex;
ACPI_TABLE_FADT *ExternalFadt = NULL;
/*
* Update the table count. For the DSDT, it is not put into the XSDT.
* For the FADT, this table is already accounted for since we usually
* install a local FADT.
*/
NextTable = TableList;
while (NextTable)
{
if (!ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) &&
!ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
TableCount++;
}
NextTable = NextTable->Next;
}
XsdtSize = BASE_XSDT_SIZE + (TableCount * sizeof (UINT64));
/* Build an XSDT */
LocalXSDT = AcpiOsAllocate (XsdtSize);
if (!LocalXSDT)
{
return (AE_NO_MEMORY);
}
memset (LocalXSDT, 0, XsdtSize);
LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
/*
* Install the user tables. The DSDT must be installed in the FADT.
* All other tables are installed directly into the XSDT.
*
* Note: The tables are loaded in reverse order from the incoming
* input, which makes it match the command line order.
*/
NextIndex = BASE_XSDT_TABLES;
NextTable = TableList;
while (NextTable)
{
/*
* Incoming DSDT or FADT are special cases. All other tables are
* just immediately installed into the XSDT.
*/
if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT))
{
if (DsdtAddress)
{
printf ("Already found a DSDT, only one allowed\n");
return (AE_ALREADY_EXISTS);
}
/* The incoming user table is a DSDT */
DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table);
}
else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT))
{
ExternalFadt =
ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table);
LocalXSDT->TableOffsetEntry[0] =
ACPI_PTR_TO_PHYSADDR (NextTable->Table);
}
else
{
/* Install the table in the XSDT */
LocalXSDT->TableOffsetEntry[TableCount - NextIndex + 1] =
ACPI_PTR_TO_PHYSADDR (NextTable->Table);
NextIndex++;
}
NextTable = NextTable->Next;
}
/* Build an RSDP. Contains a valid XSDT only, no RSDT */
memset (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP));
ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature);
memcpy (LocalRSDP.OemId, "Intel", 6);
LocalRSDP.Revision = 2;
LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT);
LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT);
/* Set checksums for both XSDT and RSDP */
AnInitializeTableHeader ((void *) LocalXSDT, ACPI_SIG_XSDT, XsdtSize);
LocalRSDP.Checksum = 0;
LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum (
(void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH);
if (!DsdtAddress)
{
return (AE_SUPPORT);
}
/*
* Build an FADT. There are two options for the FADT:
* 1) Incoming external FADT specified on the command line
* 2) A fully featured local FADT
*/
memset (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT));
if (ExternalFadt)
{
/*
* Use the external FADT, but we must update the DSDT/FACS
* addresses as well as the checksum
*/
ExternalFadt->Dsdt = (UINT32) DsdtAddress;
ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
/*
* If there room in the FADT for the XDsdt and XFacs 64-bit
* pointers, use them.
*/
if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (
&ExternalFadt->XDsdt, ExternalFadt))
{
ExternalFadt->Dsdt = 0;
ExternalFadt->Facs = 0;
ExternalFadt->XDsdt = DsdtAddress;
ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
}
/* Complete the external FADT with the checksum */
ExternalFadt->Header.Checksum = 0;
ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum (
(void *) ExternalFadt, ExternalFadt->Header.Length);
}
else
{
/*
* Build a local FADT so we can test the hardware/event init
*/
LocalFADT.Header.Revision = 5;
/* Setup FADT header and DSDT/FACS addresses */
LocalFADT.Dsdt = 0;
LocalFADT.Facs = 0;
LocalFADT.XDsdt = DsdtAddress;
LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
/* Miscellaneous FADT fields */
LocalFADT.Gpe0BlockLength = 16;
LocalFADT.Gpe0Block = 0x00001234;
LocalFADT.Gpe1BlockLength = 6;
LocalFADT.Gpe1Block = 0x00005678;
LocalFADT.Gpe1Base = 96;
LocalFADT.Pm1EventLength = 4;
LocalFADT.Pm1aEventBlock = 0x00001aaa;
LocalFADT.Pm1bEventBlock = 0x00001bbb;
LocalFADT.Pm1ControlLength = 2;
LocalFADT.Pm1aControlBlock = 0xB0;
LocalFADT.PmTimerLength = 4;
LocalFADT.PmTimerBlock = 0xA0;
LocalFADT.Pm2ControlBlock = 0xC0;
LocalFADT.Pm2ControlLength = 1;
/* Setup one example X-64 field */
LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock;
LocalFADT.XPm1bEventBlock.BitWidth = (UINT8)
ACPI_MUL_8 (LocalFADT.Pm1EventLength);
}
AnInitializeTableHeader ((void *) &LocalFADT,
ACPI_SIG_FADT, sizeof (ACPI_TABLE_FADT));
/* Build a FACS */
memset (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS));
ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS);
LocalFACS.Length = sizeof (ACPI_TABLE_FACS);
LocalFACS.GlobalLock = 0x11AA0011;
return (AE_OK);
}