Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 256 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/dbfileio.c b/drivers/acpi/acpica/dbfileio.c
new file mode 100644
index 000000000..d0e6b20ce
--- /dev/null
+++ b/drivers/acpi/acpica/dbfileio.c
@@ -0,0 +1,256 @@
+/*******************************************************************************
+ *
+ * Module Name: dbfileio - Debugger file I/O commands. These can't usually
+ *              be used when running the debugger in Ring 0 (Kernel mode)
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acdebug.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+ACPI_MODULE_NAME("dbfileio")
+
+#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)
+{
+
+#ifdef ACPI_APPLICATION
+
+	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);
+	}
+#endif
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+
+#ifdef ACPI_APPLICATION
+
+	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);
+	strncpy(acpi_gbl_db_debug_filename, name,
+		sizeof(acpi_gbl_db_debug_filename));
+	acpi_gbl_db_output_to_file = TRUE;
+
+#endif
+}
+#endif
+
+#ifdef ACPI_APPLICATION
+#include "acapps.h"
+
+/*******************************************************************************
+ *
+ * FUNCTION:    ae_local_load_table
+ *
+ * PARAMETERS:  table           - pointer to a buffer containing the entire
+ *                                table to be loaded
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to load a table from the caller's
+ *              buffer. The buffer must contain an entire ACPI Table including
+ *              a valid header. The header fields will be verified, and if it
+ *              is determined that the table is invalid, the call will fail.
+ *
+ ******************************************************************************/
+
+static acpi_status ae_local_load_table(struct acpi_table_header *table)
+{
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE(ae_local_load_table);
+
+#if 0
+/*    struct acpi_table_desc          table_info; */
+
+	if (!table) {
+		return_ACPI_STATUS(AE_BAD_PARAMETER);
+	}
+
+	table_info.pointer = table;
+	status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	/* Install the new table into the local data structures */
+
+	status = acpi_tb_init_table_descriptor(&table_info);
+	if (ACPI_FAILURE(status)) {
+		if (status == AE_ALREADY_EXISTS) {
+
+			/* Table already exists, no error */
+
+			status = AE_OK;
+		}
+
+		/* Free table allocated by acpi_tb_get_table */
+
+		acpi_tb_delete_single_table(&table_info);
+		return_ACPI_STATUS(status);
+	}
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+
+	status =
+	    acpi_ns_load_table(table_info.installed_desc, acpi_gbl_root_node);
+	if (ACPI_FAILURE(status)) {
+
+		/* Uninstall table and free the buffer */
+
+		acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_DSDT);
+		return_ACPI_STATUS(status);
+	}
+#endif
+#endif
+
+	return_ACPI_STATUS(status);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_db_get_table_from_file
+ *
+ * PARAMETERS:  filename        - File where table is located
+ *              return_table    - Where a pointer to the table is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load an ACPI table from a file
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_db_get_table_from_file(char *filename,
+			    struct acpi_table_header **return_table,
+			    u8 must_be_aml_file)
+{
+#ifdef ACPI_APPLICATION
+	acpi_status status;
+	struct acpi_table_header *table;
+	u8 is_aml_table = TRUE;
+
+	status = acpi_ut_read_table_from_file(filename, &table);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	if (must_be_aml_file) {
+		is_aml_table = acpi_ut_is_aml_table(table);
+		if (!is_aml_table) {
+			ACPI_EXCEPTION((AE_INFO, AE_OK,
+					"Input for -e is not an AML table: "
+					"\"%4.4s\" (must be DSDT/SSDT)",
+					table->signature));
+			return (AE_TYPE);
+		}
+	}
+
+	if (is_aml_table) {
+
+		/* Attempt to recognize and install the table */
+
+		status = ae_local_load_table(table);
+		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_tb_print_table_header(0, table);
+
+		fprintf(stderr,
+			"Acpi table [%4.4s] successfully installed and loaded\n",
+			table->signature);
+	}
+
+	acpi_gbl_acpi_hardware_present = FALSE;
+	if (return_table) {
+		*return_table = table;
+	}
+
+#endif				/* ACPI_APPLICATION */
+	return (AE_OK);
+}