[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/acpi/acpica/tbfind.c b/src/kernel/linux/v4.19/drivers/acpi/acpica/tbfind.c
new file mode 100644
index 0000000..f00694b
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/acpi/acpica/tbfind.c
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/******************************************************************************
+ *
+ * Module Name: tbfind - find table
+ *
+ * Copyright (C) 2000 - 2018, Intel Corp.
+ *
+ *****************************************************************************/
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_TABLES
+ACPI_MODULE_NAME("tbfind")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_find_table
+ *
+ * PARAMETERS: signature - String with ACPI table signature
+ * oem_id - String with the table OEM ID
+ * oem_table_id - String with the OEM Table ID
+ * table_index - Where the table index is returned
+ *
+ * RETURN: Status and table index
+ *
+ * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the
+ * Signature, OEM ID and OEM Table ID. Returns an index that can
+ * be used to get the table header or entire table.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_tb_find_table(char *signature,
+ char *oem_id, char *oem_table_id, u32 *table_index)
+{
+ acpi_status status = AE_OK;
+ struct acpi_table_header header;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(tb_find_table);
+
+ /* Validate the input table signature */
+
+ if (!acpi_ut_valid_nameseg(signature)) {
+ return_ACPI_STATUS(AE_BAD_SIGNATURE);
+ }
+
+ /* Don't allow the OEM strings to be too long */
+
+ if ((strlen(oem_id) > ACPI_OEM_ID_SIZE) ||
+ (strlen(oem_table_id) > ACPI_OEM_TABLE_ID_SIZE)) {
+ return_ACPI_STATUS(AE_AML_STRING_LIMIT);
+ }
+
+ /* Normalize the input strings */
+
+ memset(&header, 0, sizeof(struct acpi_table_header));
+ ACPI_MOVE_NAME(header.signature, signature);
+ strncpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE);
+ strncpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
+
+ /* Search for the table */
+
+ (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+ for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
+ if (memcmp(&(acpi_gbl_root_table_list.tables[i].signature),
+ header.signature, ACPI_NAME_SIZE)) {
+
+ /* Not the requested table */
+
+ continue;
+ }
+
+ /* Table with matching signature has been found */
+
+ if (!acpi_gbl_root_table_list.tables[i].pointer) {
+
+ /* Table is not currently mapped, map it */
+
+ status =
+ acpi_tb_validate_table(&acpi_gbl_root_table_list.
+ tables[i]);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ if (!acpi_gbl_root_table_list.tables[i].pointer) {
+ continue;
+ }
+ }
+
+ /* Check for table match on all IDs */
+
+ if (!memcmp
+ (acpi_gbl_root_table_list.tables[i].pointer->signature,
+ header.signature, ACPI_NAME_SIZE) && (!oem_id[0]
+ ||
+ !memcmp
+ (acpi_gbl_root_table_list.
+ tables[i].pointer->
+ oem_id,
+ header.oem_id,
+ ACPI_OEM_ID_SIZE))
+ && (!oem_table_id[0]
+ || !memcmp(acpi_gbl_root_table_list.tables[i].pointer->
+ oem_table_id, header.oem_table_id,
+ ACPI_OEM_TABLE_ID_SIZE))) {
+ *table_index = i;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
+ "Found table [%4.4s]\n",
+ header.signature));
+ goto unlock_and_exit;
+ }
+ }
+ status = AE_NOT_FOUND;
+
+unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+ return_ACPI_STATUS(status);
+}