1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbfileio.c b/drivers/acpi/acpica/dbfileio.c
new file mode 100644
index 000000000..e1b6e54a9
--- /dev/null
+++ b/drivers/acpi/acpica/dbfileio.c
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: dbfileio - Debugger file I/O commands. These can't usually
+ *              be used when running the debugger in Ring 0 (Kernel mode)
+ *
+ ******************************************************************************/
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdebug.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+ACPI_MODULE_NAME("dbfileio")
+
+#ifdef ACPI_APPLICATION
+#include "acapps.h"
+#ifdef ACPI_DEBUGGER
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_db_close_debug_file
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: If open, close the current debug output file
+ *
+ ******************************************************************************/
+void acpi_db_close_debug_file(void)
+{
+
+	if (acpi_gbl_debug_file) {
+		fclose(acpi_gbl_debug_file);
+		acpi_gbl_debug_file = NULL;
+		acpi_gbl_db_output_to_file = FALSE;
+		acpi_os_printf("Debug output file %s closed\n",
+			       acpi_gbl_db_debug_filename);
+	}
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_db_open_debug_file
+ *
+ * PARAMETERS:  name                - Filename to open
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Open a file where debug output will be directed.
+ *
+ ******************************************************************************/
+
+void acpi_db_open_debug_file(char *name)
+{
+
+	acpi_db_close_debug_file();
+	acpi_gbl_debug_file = fopen(name, "w+");
+	if (!acpi_gbl_debug_file) {
+		acpi_os_printf("Could not open debug file %s\n", name);
+		return;
+	}
+
+	acpi_os_printf("Debug output file %s opened\n", name);
+	acpi_ut_safe_strncpy(acpi_gbl_db_debug_filename, name,
+			     sizeof(acpi_gbl_db_debug_filename));
+	acpi_gbl_db_output_to_file = TRUE;
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_db_load_tables
+ *
+ * PARAMETERS:  list_head       - List of ACPI tables to load
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load ACPI tables from a previously constructed table list.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
+{
+	acpi_status status;
+	struct acpi_new_table_desc *table_list_head;
+	struct acpi_table_header *table;
+
+	/* Load all ACPI tables in the list */
+
+	table_list_head = list_head;
+	while (table_list_head) {
+		table = table_list_head->table;
+
+		status = acpi_load_table(table, NULL);
+		if (ACPI_FAILURE(status)) {
+			if (status == AE_ALREADY_EXISTS) {
+				acpi_os_printf
+				    ("Table %4.4s is already installed\n",
+				     table->signature);
+			} else {
+				acpi_os_printf("Could not install table, %s\n",
+					       acpi_format_exception(status));
+			}
+
+			return (status);
+		}
+
+		acpi_os_printf
+		    ("Acpi table [%4.4s] successfully installed and loaded\n",
+		     table->signature);
+
+		table_list_head = table_list_head->next;
+	}
+
+	return (AE_OK);
+}
+#endif