Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Module Name: exconcat - Concatenate-type AML operators
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "acinterp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "amlresrc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define _COMPONENT          ACPI_EXECUTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) ACPI_MODULE_NAME("exconcat")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) /* Local Prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 				      union acpi_operand_object **result_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * FUNCTION:    acpi_ex_do_concatenate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * PARAMETERS:  operand0            - First source object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  *              operand1            - Second source object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *              actual_return_desc  - Where to place the return object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  *              walk_state          - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * RETURN:      Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  *              rules as necessary.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  * NOTE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * Per the ACPI spec (up to 6.1), Concatenate only supports Integer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  * String, and Buffer objects. However, we support all objects here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  * as an extension. This improves the usefulness of both Concatenate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  * and the Printf/Fprintf macros. The extension returns a string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  * describing the object type for the other objects.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42)  * 02/2016.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) acpi_ex_do_concatenate(union acpi_operand_object *operand0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		       union acpi_operand_object *operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		       union acpi_operand_object **actual_return_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		       struct acpi_walk_state *walk_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	union acpi_operand_object *local_operand0 = operand0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	union acpi_operand_object *local_operand1 = operand1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	union acpi_operand_object *temp_operand1 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	union acpi_operand_object *return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	acpi_object_type operand0_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	acpi_object_type operand1_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	ACPI_FUNCTION_TRACE(ex_do_concatenate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	/* Operand 0 preprocessing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	switch (operand0->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		operand0_type = operand0->common.type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		/* For all other types, get the "object type" string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		    acpi_ex_convert_to_object_type_string(operand0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 							  &local_operand0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 			goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		operand0_type = ACPI_TYPE_STRING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	/* Operand 1 preprocessing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	switch (operand1->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		operand1_type = operand1->common.type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		/* For all other types, get the "object type" string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		    acpi_ex_convert_to_object_type_string(operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 							  &local_operand1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 			goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		operand1_type = ACPI_TYPE_STRING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	 * Convert the second operand if necessary. The first operand (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	 * determines the type of the second operand (1) (See the Data Types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	 * section of the ACPI specification). Both object types are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	 * guaranteed to be either Integer/String/Buffer by the operand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	 * resolution mechanism.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	switch (operand0_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		    acpi_ex_convert_to_integer(local_operand1, &temp_operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 					       ACPI_IMPLICIT_CONVERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		    acpi_ex_convert_to_buffer(local_operand1, &temp_operand1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		switch (operand1_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			/* Other types have already been converted to string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			    acpi_ex_convert_to_string(local_operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 						      &temp_operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 						      ACPI_IMPLICIT_CONVERT_HEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 			status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 			    operand0->common.type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		status = AE_AML_INTERNAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	/* Take care with any newly created operand objects */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	if ((local_operand1 != operand1) && (local_operand1 != temp_operand1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		acpi_ut_remove_reference(local_operand1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	local_operand1 = temp_operand1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	 * Both operands are now known to be the same object type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	 * (Both are Integer, String, or Buffer), and we can now perform
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	 * the concatenation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	 * There are three cases to handle, as per the ACPI spec:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	 * 1) Two Integers concatenated to produce a new Buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	 * 2) Two Strings concatenated to produce a new String
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	 * 3) Two Buffers concatenated to produce a new Buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	switch (operand0_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		/* Result of two Integers is a Buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		/* Need enough buffer space for two integers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		return_desc = acpi_ut_create_buffer_object((acpi_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 							   ACPI_MUL_2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 							   (acpi_gbl_integer_byte_width));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		if (!return_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 			status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		buffer = (char *)return_desc->buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		/* Copy the first integer, LSB first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		memcpy(buffer, &operand0->integer.value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		       acpi_gbl_integer_byte_width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		/* Copy the second integer (LSB first) after the first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		memcpy(buffer + acpi_gbl_integer_byte_width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		       &local_operand1->integer.value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		       acpi_gbl_integer_byte_width);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		/* Result of two Strings is a String */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		return_desc = acpi_ut_create_string_object(((acpi_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 							    local_operand0->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 							    string.length +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 							    local_operand1->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 							    string.length));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		if (!return_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 			goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		buffer = return_desc->string.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		/* Concatenate the strings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		strcpy(buffer, local_operand0->string.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		strcat(buffer, local_operand1->string.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		/* Result of two Buffers is a Buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		return_desc = acpi_ut_create_buffer_object(((acpi_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 							    operand0->buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 							    length +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 							    local_operand1->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 							    buffer.length));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		if (!return_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 			goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		buffer = (char *)return_desc->buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		/* Concatenate the buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		memcpy(buffer, operand0->buffer.pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		       operand0->buffer.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		memcpy(buffer + operand0->buffer.length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		       local_operand1->buffer.pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		       local_operand1->buffer.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		/* Invalid object type, should not happen here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			    operand0->common.type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		status = AE_AML_INTERNAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	*actual_return_desc = return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	if (local_operand0 != operand0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		acpi_ut_remove_reference(local_operand0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	if (local_operand1 != operand1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		acpi_ut_remove_reference(local_operand1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)  * FUNCTION:    acpi_ex_convert_to_object_type_string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)  * PARAMETERS:  obj_desc            - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)  *              return_desc         - Where to place the return object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)  * RETURN:      Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)  * DESCRIPTION: Convert an object of arbitrary type to a string object that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)  *              contains the namestring for the object. Used for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)  *              concatenate operator.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) acpi_ex_convert_to_object_type_string(union acpi_operand_object *obj_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 				      union acpi_operand_object **result_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	union acpi_operand_object *return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	const char *type_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	type_string = acpi_ut_get_type_name(obj_desc->common.type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	return_desc = acpi_ut_create_string_object(((acpi_size)strlen(type_string) + 9));	/* 9 For "[ Object]" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (!return_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	strcpy(return_desc->string.pointer, "[");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	strcat(return_desc->string.pointer, type_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	strcat(return_desc->string.pointer, " Object]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	*result_desc = return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)  * FUNCTION:    acpi_ex_concat_template
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)  * PARAMETERS:  operand0            - First source object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)  *              operand1            - Second source object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)  *              actual_return_desc  - Where to place the return object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)  *              walk_state          - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)  * RETURN:      Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)  * DESCRIPTION: Concatenate two resource templates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) acpi_ex_concat_template(union acpi_operand_object *operand0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 			union acpi_operand_object *operand1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 			union acpi_operand_object **actual_return_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 			struct acpi_walk_state *walk_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	union acpi_operand_object *return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	u8 *new_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	u8 *end_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	acpi_size length0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	acpi_size length1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	acpi_size new_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	ACPI_FUNCTION_TRACE(ex_concat_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	 * Find the end_tag descriptor in each resource template.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	 * Note1: returned pointers point TO the end_tag, not past it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	 * Note2: zero-length buffers are allowed; treated like one end_tag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	/* Get the length of the first resource template */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	status = acpi_ut_get_resource_end_tag(operand0, &end_tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 		return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	/* Get the length of the second resource template */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	status = acpi_ut_get_resource_end_tag(operand1, &end_tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	/* Combine both lengths, minimum size will be 2 for end_tag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	new_length = length0 + length1 + sizeof(struct aml_resource_end_tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	/* Create a new buffer object for the result (with one end_tag) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	return_desc = acpi_ut_create_buffer_object(new_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	if (!return_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	 * Copy the templates to the new buffer, 0 first, then 1 follows. One
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	 * end_tag descriptor is copied from Operand1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	new_buf = return_desc->buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	memcpy(new_buf, operand0->buffer.pointer, length0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	memcpy(new_buf + length0, operand1->buffer.pointer, length1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	/* Insert end_tag and set the checksum to zero, means "ignore checksum" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	new_buf[new_length - 1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	/* Return the completed resource template */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	*actual_return_desc = return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }