mirror of
https://github.com/reactos/reactos.git
synced 2025-06-05 09:20:30 +00:00
[ACPI] Implement creating volatile registry keys for ACPI tables CORE-12942
svn path=/trunk/; revision=74559
This commit is contained in:
Peter Hater
parent
8eede74d89
commit
44f1cf17c7
3 changed files with 286 additions and 0 deletions
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@ -24,6 +24,7 @@
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*/
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*/
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#include <precomp.h>
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#include <precomp.h>
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#include <ntstrsafe.h>
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#define NDEBUG
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#define NDEBUG
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#include <debug.h>
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#include <debug.h>
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@ -369,4 +370,281 @@ end:
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return_ACPI_STATUS(status);
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return_ACPI_STATUS(status);
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}
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}
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NTSTATUS
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acpi_create_registry_table(HANDLE ParentKeyHandle, ACPI_TABLE_HEADER *OutTable, PCWSTR KeyName)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING HardwareKeyName, ValueName;
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ANSI_STRING HardwareKeyNameA;
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HANDLE KeyHandle = NULL, SubKeyHandle = NULL;
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NTSTATUS Status;
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char OemId[7] = { 0 }; /* exactly one byte more than ACPI_TABLE_HEADER->OemId */
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char OemTableId[9] = { 0 }; /* exactly one byte more than ACPI_TABLE_HEADER->OemTableId */
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WCHAR OemRevision[9] = { 0 }; /* enough to accept hex DWORD */
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C_ASSERT(sizeof(OemId) == RTL_FIELD_SIZE(ACPI_TABLE_HEADER, OemId) + 1);
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C_ASSERT(sizeof(OemTableId) == RTL_FIELD_SIZE(ACPI_TABLE_HEADER, OemTableId) + 1);
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/* Copy OEM data from the table */
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RtlCopyMemory(OemId, OutTable->OemId, sizeof(OutTable->OemId));
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RtlCopyMemory(OemTableId, OutTable->OemTableId, sizeof(OutTable->OemTableId));
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/* Create table subkey */
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RtlInitUnicodeString(&HardwareKeyName, KeyName);
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InitializeObjectAttributes(&ObjectAttributes,
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&HardwareKeyName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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ParentKeyHandle,
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NULL);
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Status = ZwCreateKey(&KeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwCreateKey() for %ws failed (Status 0x%08lx)\n", KeyName, Status);
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return Status;
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}
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if (OutTable->OemRevision != 0)
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{
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/* We have OEM info in table, so create other OEM subkeys */
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RtlInitAnsiString(&HardwareKeyNameA, OemId);
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Status = RtlAnsiStringToUnicodeString(&HardwareKeyName, &HardwareKeyNameA, TRUE);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("RtlAnsiStringToUnicodeString() for %s failed (Status 0x%08lx)\n", HardwareKeyNameA, Status);
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return Status;
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}
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InitializeObjectAttributes(&ObjectAttributes,
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&HardwareKeyName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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KeyHandle,
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NULL);
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Status = ZwCreateKey(&SubKeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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NULL);
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RtlFreeUnicodeString(&HardwareKeyName);
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ZwClose(KeyHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwCreateKey() for %s failed (Status 0x%08lx)\n", HardwareKeyNameA, Status);
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return Status;
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}
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KeyHandle = SubKeyHandle;
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RtlInitAnsiString(&HardwareKeyNameA, OemTableId);
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Status = RtlAnsiStringToUnicodeString(&HardwareKeyName, &HardwareKeyNameA, TRUE);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("RtlAnsiStringToUnicodeString() for %s failed (Status 0x%08lx)\n", HardwareKeyNameA, Status);
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return Status;
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}
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InitializeObjectAttributes(&ObjectAttributes,
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&HardwareKeyName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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KeyHandle,
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NULL);
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Status = ZwCreateKey(&SubKeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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NULL);
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RtlFreeUnicodeString(&HardwareKeyName);
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ZwClose(KeyHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwCreateKey() for %s failed (Status 0x%08lx)\n", HardwareKeyNameA, Status);
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return Status;
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}
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KeyHandle = SubKeyHandle;
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Status = RtlStringCbPrintfW(OemRevision,
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sizeof(OemRevision),
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L"%08X",
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OutTable->OemRevision);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("RtlStringCbPrintfW() for 0x%08lx failed (Status 0x%08lx)\n", OutTable->OemRevision, Status);
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return Status;
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}
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RtlInitUnicodeString(&HardwareKeyName, OemRevision);
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InitializeObjectAttributes(&ObjectAttributes,
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&HardwareKeyName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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KeyHandle,
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NULL);
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Status = ZwCreateKey(&SubKeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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NULL);
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ZwClose(KeyHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwCreateKey() for %ws failed (Status 0x%08lx)\n", KeyName, Status);
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return Status;
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}
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KeyHandle = SubKeyHandle;
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}
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/* Table reg value name is always '00000000' */
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RtlInitUnicodeString(&ValueName,
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L"00000000");
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Status = ZwSetValueKey(KeyHandle,
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&ValueName,
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0,
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REG_BINARY,
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OutTable,
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OutTable->Length);
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ZwClose(KeyHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwSetValueKey() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS
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acpi_create_volatile_registry_tables()
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING HardwareKeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\HARDWARE\\ACPI");
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HANDLE KeyHandle = NULL;
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NTSTATUS Status;
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ACPI_STATUS AcpiStatus;
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ACPI_TABLE_HEADER *OutTable;
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ACPI_PHYSICAL_ADDRESS RsdpAddress;
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ACPI_TABLE_RSDP *Rsdp;
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ACPI_PHYSICAL_ADDRESS Address;
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UINT32 TableEntrySize;
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/* Create Main Hardware ACPI key*/
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InitializeObjectAttributes(&ObjectAttributes,
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&HardwareKeyName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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NULL,
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NULL);
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Status = ZwCreateKey(&KeyHandle,
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KEY_WRITE,
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&ObjectAttributes,
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0,
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NULL,
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REG_OPTION_VOLATILE,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwCreateKey() for ACPI failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Read DSDT table */
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AcpiStatus = AcpiGetTable(ACPI_SIG_DSDT, 0, &OutTable);
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if (ACPI_FAILURE(AcpiStatus))
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{
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DPRINT1("AcpiGetTable() for DSDT failed (Status 0x%08lx)\n", AcpiStatus);
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Status = STATUS_UNSUCCESSFUL;
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goto done;
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}
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/* Dump DSDT table */
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Status = acpi_create_registry_table(KeyHandle, OutTable, L"DSDT");
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("acpi_dump_table_to_registry() for DSDT failed (Status 0x%08lx)\n", Status);
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goto done;
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}
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/* Read FACS table */
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AcpiStatus = AcpiGetTable(ACPI_SIG_FACS, 0, &OutTable);
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if (ACPI_FAILURE(AcpiStatus))
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{
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DPRINT1("AcpiGetTable() for FACS failed (Status 0x%08lx)\n", AcpiStatus);
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Status = STATUS_UNSUCCESSFUL;
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goto done;
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}
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/* Dump FACS table */
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Status = acpi_create_registry_table(KeyHandle, OutTable, L"FACS");
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("acpi_dump_table_to_registry() for FACS failed (Status 0x%08lx)\n", Status);
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goto done;
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}
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/* Read FACS table */
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AcpiStatus = AcpiGetTable(ACPI_SIG_FADT, 0, &OutTable);
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if (ACPI_FAILURE(AcpiStatus))
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{
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DPRINT1("AcpiGetTable() for FADT failed (Status 0x%08lx)\n", AcpiStatus);
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Status = STATUS_UNSUCCESSFUL;
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goto done;
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}
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/* Dump FADT table */
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Status = acpi_create_registry_table(KeyHandle, OutTable, L"FADT");
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("acpi_dump_table_to_registry() for FADT failed (Status 0x%08lx)\n", Status);
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goto done;
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}
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/* This is a rough copy from ACPICA reading of RSDT/XSDT and added to avoid patching acpica */
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RsdpAddress = AcpiOsGetRootPointer();
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/* Map the entire RSDP and extract the address of the RSDT or XSDT */
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Rsdp = AcpiOsMapMemory(RsdpAddress, sizeof(ACPI_TABLE_RSDP));
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if (!Rsdp)
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{
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DPRINT1("AcpiOsMapMemory() failed\n");
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Status = STATUS_NO_MEMORY;
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goto done;
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}
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/* Use XSDT if present and not overridden. Otherwise, use RSDT */
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if ((Rsdp->Revision > 1) &&
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Rsdp->XsdtPhysicalAddress &&
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!AcpiGbl_DoNotUseXsdt)
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{
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/*
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* RSDP contains an XSDT (64-bit physical addresses). We must use
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* the XSDT if the revision is > 1 and the XSDT pointer is present,
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* as per the ACPI specification.
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*/
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Address = (ACPI_PHYSICAL_ADDRESS)Rsdp->XsdtPhysicalAddress;
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TableEntrySize = ACPI_XSDT_ENTRY_SIZE;
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}
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else
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{
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/* Root table is an RSDT (32-bit physical addresses) */
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Address = (ACPI_PHYSICAL_ADDRESS)Rsdp->RsdtPhysicalAddress;
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TableEntrySize = ACPI_RSDT_ENTRY_SIZE;
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}
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/*
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* It is not possible to map more than one entry in some environments,
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* so unmap the RSDP here before mapping other tables
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*/
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AcpiOsUnmapMemory(Rsdp, sizeof(ACPI_TABLE_RSDP));
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OutTable = AcpiOsMapMemory(Address, TableEntrySize);
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if (!OutTable)
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{
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DPRINT1("AcpiOsMapMemory() failed\n");
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Status = STATUS_NO_MEMORY;
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goto done;
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}
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/* Dump RSDT table */
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Status = acpi_create_registry_table(KeyHandle, OutTable, L"RSDT");
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AcpiOsUnmapMemory(OutTable, TableEntrySize);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("acpi_dump_table_to_registry() for RSDT failed (Status 0x%08lx)\n", Status);
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}
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done:
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ZwClose(KeyHandle);
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return Status;
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}
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@ -57,6 +57,8 @@ acpi_evaluate_reference (
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ACPI_STRING pathname,
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ACPI_STRING pathname,
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struct acpi_object_list *arguments,
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struct acpi_object_list *arguments,
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struct acpi_handle_list *list);
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struct acpi_handle_list *list);
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NTSTATUS
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acpi_create_volatile_registry_tables(void);
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enum acpi_bus_removal_type {
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enum acpi_bus_removal_type {
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ACPI_BUS_REMOVAL_NORMAL = 0,
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ACPI_BUS_REMOVAL_NORMAL = 0,
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@ -299,6 +299,12 @@ Bus_StartFdo (
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return STATUS_UNSUCCESSFUL;
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return STATUS_UNSUCCESSFUL;
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}
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}
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status = acpi_create_volatile_registry_tables();
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if (!NT_SUCCESS(status))
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{
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DPRINT1("Unable to create ACPI tables in registry\n");
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}
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DPRINT("Acpi subsystem init\n");
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DPRINT("Acpi subsystem init\n");
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/* Initialize ACPI bus manager */
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/* Initialize ACPI bus manager */
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AcpiStatus = acpi_init();
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AcpiStatus = acpi_init();
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