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584 lines
14 KiB
584 lines
14 KiB
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
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/******************************************************************************* |
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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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#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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} else if (!resource_list->type) { |
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ACPI_ERROR((AE_INFO, "Invalid Zero Resource 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_6BITFLAG: |
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acpi_rs_out_integer8(name, (ACPI_GET8(target) & 0x3F)); |
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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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|
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static void acpi_rs_dump_byte_list(u16 length, u8 * data) |
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{ |
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u16 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]); |
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} |
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} |
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static void acpi_rs_dump_short_byte_list(u8 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("%X ", data[i]); |
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} |
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acpi_os_printf("\n"); |
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} |
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static void acpi_rs_dump_dword_list(u8 length, u32 * data) |
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{ |
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u8 i; |
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|
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for (i = 0; i < length; i++) { |
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acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]); |
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} |
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} |
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static void acpi_rs_dump_word_list(u16 length, u16 *data) |
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{ |
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u16 i; |
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|
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for (i = 0; i < length; i++) { |
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acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]); |
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} |
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}
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