613 lines
15 KiB
C
613 lines
15 KiB
C
/*******************************************************************************
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*
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* Module Name: rsdump - AML debugger support for resource structures.
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*
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******************************************************************************/
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/*
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* Copyright (C) 2000 - 2018, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acresrc.h"
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#define _COMPONENT ACPI_RESOURCES
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ACPI_MODULE_NAME("rsdump")
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/*
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* All functions in this module are used by the AML Debugger only
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*/
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/* Local prototypes */
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static void acpi_rs_out_string(const char *title, const char *value);
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static void acpi_rs_out_integer8(const char *title, u8 value);
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static void acpi_rs_out_integer16(const char *title, u16 value);
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static void acpi_rs_out_integer32(const char *title, u32 value);
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static void acpi_rs_out_integer64(const char *title, u64 value);
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static void acpi_rs_out_title(const char *title);
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static void acpi_rs_dump_byte_list(u16 length, u8 *data);
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static void acpi_rs_dump_word_list(u16 length, u16 *data);
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static void acpi_rs_dump_dword_list(u8 length, u32 *data);
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static void acpi_rs_dump_short_byte_list(u8 length, u8 *data);
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static void
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acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source);
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static void
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acpi_rs_dump_resource_label(char *title,
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struct acpi_resource_label *resource_label);
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static void acpi_rs_dump_address_common(union acpi_resource_data *resource);
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static void
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acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_resource_list
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*
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* PARAMETERS: resource_list - Pointer to a resource descriptor list
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*
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* RETURN: None
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*
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* DESCRIPTION: Dispatches the structure to the correct dump routine.
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*
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******************************************************************************/
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void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
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{
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u32 count = 0;
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u32 type;
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ACPI_FUNCTION_ENTRY();
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/* Check if debug output enabled */
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if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
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return;
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}
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/* Walk list and dump all resource descriptors (END_TAG terminates) */
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do {
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acpi_os_printf("\n[%02X] ", count);
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count++;
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/* Validate Type before dispatch */
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type = resource_list->type;
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if (type > ACPI_RESOURCE_TYPE_MAX) {
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acpi_os_printf
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("Invalid descriptor type (%X) in resource list\n",
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resource_list->type);
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return;
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}
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/* Sanity check the length. It must not be zero, or we loop forever */
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if (!resource_list->length) {
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acpi_os_printf
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("Invalid zero length descriptor in resource list\n");
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return;
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}
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/* Dump the resource descriptor */
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if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
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acpi_rs_dump_descriptor(&resource_list->data,
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acpi_gbl_dump_serial_bus_dispatch
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[resource_list->data.
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common_serial_bus.type]);
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} else {
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acpi_rs_dump_descriptor(&resource_list->data,
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acpi_gbl_dump_resource_dispatch
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[type]);
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}
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/* Point to the next resource structure */
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resource_list = ACPI_NEXT_RESOURCE(resource_list);
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/* Exit when END_TAG descriptor is reached */
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} while (type != ACPI_RESOURCE_TYPE_END_TAG);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_irq_list
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*
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* PARAMETERS: route_table - Pointer to the routing table to dump.
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*
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* RETURN: None
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*
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* DESCRIPTION: Print IRQ routing table
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*
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******************************************************************************/
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void acpi_rs_dump_irq_list(u8 *route_table)
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{
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struct acpi_pci_routing_table *prt_element;
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u8 count;
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ACPI_FUNCTION_ENTRY();
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/* Check if debug output enabled */
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if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
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return;
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}
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prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table);
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/* Dump all table elements, Exit on zero length element */
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for (count = 0; prt_element->length; count++) {
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acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n",
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count);
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acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt);
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prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table,
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prt_element, prt_element->length);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_descriptor
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*
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* PARAMETERS: resource - Buffer containing the resource
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* table - Table entry to decode the resource
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump a resource descriptor based on a dump table entry.
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*
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******************************************************************************/
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static void
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acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
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{
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u8 *target = NULL;
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u8 *previous_target;
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const char *name;
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u8 count;
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/* First table entry must contain the table length (# of table entries) */
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count = table->offset;
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while (count) {
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previous_target = target;
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target = ACPI_ADD_PTR(u8, resource, table->offset);
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name = table->name;
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switch (table->opcode) {
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case ACPI_RSD_TITLE:
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/*
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* Optional resource title
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*/
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if (table->name) {
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acpi_os_printf("%s Resource\n", name);
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}
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break;
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/* Strings */
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case ACPI_RSD_LITERAL:
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acpi_rs_out_string(name,
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ACPI_CAST_PTR(char, table->pointer));
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break;
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case ACPI_RSD_STRING:
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acpi_rs_out_string(name, ACPI_CAST_PTR(char, target));
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break;
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/* Data items, 8/16/32/64 bit */
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case ACPI_RSD_UINT8:
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if (table->pointer) {
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acpi_rs_out_string(name,
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table->pointer[*target]);
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} else {
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acpi_rs_out_integer8(name, ACPI_GET8(target));
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}
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break;
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case ACPI_RSD_UINT16:
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acpi_rs_out_integer16(name, ACPI_GET16(target));
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break;
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case ACPI_RSD_UINT32:
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acpi_rs_out_integer32(name, ACPI_GET32(target));
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break;
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case ACPI_RSD_UINT64:
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acpi_rs_out_integer64(name, ACPI_GET64(target));
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break;
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/* Flags: 1-bit and 2-bit flags supported */
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case ACPI_RSD_1BITFLAG:
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acpi_rs_out_string(name,
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table->pointer[*target & 0x01]);
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break;
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case ACPI_RSD_2BITFLAG:
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acpi_rs_out_string(name,
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table->pointer[*target & 0x03]);
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break;
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case ACPI_RSD_3BITFLAG:
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acpi_rs_out_string(name,
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table->pointer[*target & 0x07]);
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break;
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case ACPI_RSD_SHORTLIST:
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/*
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* Short byte list (single line output) for DMA and IRQ resources
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* Note: The list length is obtained from the previous table entry
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*/
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if (previous_target) {
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acpi_rs_out_title(name);
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acpi_rs_dump_short_byte_list(*previous_target,
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target);
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}
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break;
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case ACPI_RSD_SHORTLISTX:
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/*
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* Short byte list (single line output) for GPIO vendor data
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* Note: The list length is obtained from the previous table entry
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*/
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if (previous_target) {
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acpi_rs_out_title(name);
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acpi_rs_dump_short_byte_list(*previous_target,
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*
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(ACPI_CAST_INDIRECT_PTR
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(u8, target)));
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}
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break;
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case ACPI_RSD_LONGLIST:
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/*
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* Long byte list for Vendor resource data
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* Note: The list length is obtained from the previous table entry
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*/
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if (previous_target) {
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acpi_rs_dump_byte_list(ACPI_GET16
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(previous_target),
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target);
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}
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break;
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case ACPI_RSD_DWORDLIST:
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/*
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* Dword list for Extended Interrupt resources
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* Note: The list length is obtained from the previous table entry
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*/
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if (previous_target) {
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acpi_rs_dump_dword_list(*previous_target,
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ACPI_CAST_PTR(u32,
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target));
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}
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break;
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case ACPI_RSD_WORDLIST:
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/*
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* Word list for GPIO Pin Table
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* Note: The list length is obtained from the previous table entry
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*/
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if (previous_target) {
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acpi_rs_dump_word_list(*previous_target,
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*(ACPI_CAST_INDIRECT_PTR
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(u16, target)));
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}
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break;
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case ACPI_RSD_ADDRESS:
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/*
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* Common flags for all Address resources
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*/
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acpi_rs_dump_address_common(ACPI_CAST_PTR
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(union acpi_resource_data,
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target));
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break;
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case ACPI_RSD_SOURCE:
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/*
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* Optional resource_source for Address resources
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*/
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acpi_rs_dump_resource_source(ACPI_CAST_PTR
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(struct
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acpi_resource_source,
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target));
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break;
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case ACPI_RSD_LABEL:
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/*
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* resource_label
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*/
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acpi_rs_dump_resource_label("Resource Label",
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ACPI_CAST_PTR(struct
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acpi_resource_label,
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target));
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break;
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case ACPI_RSD_SOURCE_LABEL:
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/*
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* resource_source_label
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*/
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acpi_rs_dump_resource_label("Resource Source Label",
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ACPI_CAST_PTR(struct
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acpi_resource_label,
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target));
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break;
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default:
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acpi_os_printf("**** Invalid table opcode [%X] ****\n",
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table->opcode);
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return;
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}
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table++;
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count--;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_resource_source
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*
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* PARAMETERS: resource_source - Pointer to a Resource Source struct
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*
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* RETURN: None
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*
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* DESCRIPTION: Common routine for dumping the optional resource_source and the
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* corresponding resource_source_index.
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*
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******************************************************************************/
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static void
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acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source)
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{
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ACPI_FUNCTION_ENTRY();
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if (resource_source->index == 0xFF) {
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return;
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}
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acpi_rs_out_integer8("Resource Source Index", resource_source->index);
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acpi_rs_out_string("Resource Source",
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resource_source->string_ptr ?
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resource_source->string_ptr : "[Not Specified]");
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_resource_label
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*
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* PARAMETERS: title - Title of the dumped resource field
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* resource_label - Pointer to a Resource Label struct
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*
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* RETURN: None
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*
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* DESCRIPTION: Common routine for dumping the resource_label
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*
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******************************************************************************/
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static void
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acpi_rs_dump_resource_label(char *title,
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struct acpi_resource_label *resource_label)
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{
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ACPI_FUNCTION_ENTRY();
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acpi_rs_out_string(title,
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resource_label->string_ptr ?
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resource_label->string_ptr : "[Not Specified]");
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump_address_common
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*
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* PARAMETERS: resource - Pointer to an internal resource descriptor
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump the fields that are common to all Address resource
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* descriptors
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*
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******************************************************************************/
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static void acpi_rs_dump_address_common(union acpi_resource_data *resource)
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{
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ACPI_FUNCTION_ENTRY();
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/* Decode the type-specific flags */
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switch (resource->address.resource_type) {
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case ACPI_MEMORY_RANGE:
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acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags);
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break;
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case ACPI_IO_RANGE:
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acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags);
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break;
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case ACPI_BUS_NUMBER_RANGE:
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acpi_rs_out_string("Resource Type", "Bus Number Range");
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break;
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default:
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acpi_rs_out_integer8("Resource Type",
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(u8) resource->address.resource_type);
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break;
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}
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/* Decode the general flags */
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acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_out*
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*
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* PARAMETERS: title - Name of the resource field
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* value - Value of the resource field
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*
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* RETURN: None
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*
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* DESCRIPTION: Miscellaneous helper functions to consistently format the
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* output of the resource dump routines
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*
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******************************************************************************/
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static void acpi_rs_out_string(const char *title, const char *value)
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{
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acpi_os_printf("%27s : %s", title, value);
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if (!*value) {
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acpi_os_printf("[NULL NAMESTRING]");
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}
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acpi_os_printf("\n");
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}
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static void acpi_rs_out_integer8(const char *title, u8 value)
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{
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acpi_os_printf("%27s : %2.2X\n", title, value);
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}
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static void acpi_rs_out_integer16(const char *title, u16 value)
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{
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acpi_os_printf("%27s : %4.4X\n", title, value);
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}
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static void acpi_rs_out_integer32(const char *title, u32 value)
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{
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acpi_os_printf("%27s : %8.8X\n", title, value);
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}
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static void acpi_rs_out_integer64(const char *title, u64 value)
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{
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acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value));
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}
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static void acpi_rs_out_title(const char *title)
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{
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acpi_os_printf("%27s : ", title);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_dump*List
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*
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* PARAMETERS: length - Number of elements in the list
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* data - Start of the list
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*
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* RETURN: None
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*
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* DESCRIPTION: Miscellaneous functions to dump lists of raw data
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*
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******************************************************************************/
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static void acpi_rs_dump_byte_list(u16 length, u8 * data)
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{
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u8 i;
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for (i = 0; i < length; i++) {
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acpi_os_printf("%25s%2.2X : %2.2X\n", "Byte", i, data[i]);
|
|
}
|
|
}
|
|
|
|
static void acpi_rs_dump_short_byte_list(u8 length, u8 * data)
|
|
{
|
|
u8 i;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
acpi_os_printf("%X ", data[i]);
|
|
}
|
|
|
|
acpi_os_printf("\n");
|
|
}
|
|
|
|
static void acpi_rs_dump_dword_list(u8 length, u32 * data)
|
|
{
|
|
u8 i;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]);
|
|
}
|
|
}
|
|
|
|
static void acpi_rs_dump_word_list(u16 length, u16 *data)
|
|
{
|
|
u16 i;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]);
|
|
}
|
|
}
|