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308 lines
7.6 KiB
308 lines
7.6 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: exdebug - Support for stores to the AML Debug Object |
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* |
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* Copyright (C) 2000 - 2021, Intel Corp. |
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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 "acinterp.h" |
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#define _COMPONENT ACPI_EXECUTER |
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ACPI_MODULE_NAME("exdebug") |
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#ifndef ACPI_NO_ERROR_MESSAGES |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_ex_do_debug_object |
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* |
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* PARAMETERS: source_desc - Object to be output to "Debug Object" |
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* level - Indentation level (used for packages) |
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* index - Current package element, zero if not pkg |
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* |
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* RETURN: None |
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* |
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* DESCRIPTION: Handles stores to the AML Debug Object. For example: |
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* Store(INT1, Debug) |
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* |
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* This function is not compiled if ACPI_NO_ERROR_MESSAGES is set. |
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* |
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* This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or |
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* if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal |
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* operational case, stores to the debug object are ignored but can be easily |
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* enabled if necessary. |
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* |
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******************************************************************************/ |
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void |
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acpi_ex_do_debug_object(union acpi_operand_object *source_desc, |
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u32 level, u32 index) |
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{ |
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u32 i; |
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u32 timer; |
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union acpi_operand_object *object_desc; |
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u32 value; |
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ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc); |
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/* Output must be enabled via the debug_object global or the dbg_level */ |
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if (!acpi_gbl_enable_aml_debug_object && |
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!(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) { |
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return_VOID; |
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} |
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/* Newline -- don't emit the line header */ |
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if (source_desc && |
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(ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) && |
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(source_desc->common.type == ACPI_TYPE_STRING)) { |
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if ((source_desc->string.length == 1) && |
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(*source_desc->string.pointer == '\n')) { |
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acpi_os_printf("\n"); |
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return_VOID; |
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} |
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} |
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/* |
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* Print line header as long as we are not in the middle of an |
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* object display |
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*/ |
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if (!((level > 0) && index == 0)) { |
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if (acpi_gbl_display_debug_timer) { |
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/* |
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* We will emit the current timer value (in microseconds) with each |
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* debug output. Only need the lower 26 bits. This allows for 67 |
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* million microseconds or 67 seconds before rollover. |
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* |
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* Convert 100 nanosecond units to microseconds |
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*/ |
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timer = ((u32)acpi_os_get_timer() / 10); |
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timer &= 0x03FFFFFF; |
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acpi_os_printf("ACPI Debug: T=0x%8.8X %*s", timer, |
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level, " "); |
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} else { |
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acpi_os_printf("ACPI Debug: %*s", level, " "); |
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} |
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} |
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/* Display the index for package output only */ |
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if (index > 0) { |
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acpi_os_printf("(%.2u) ", index - 1); |
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} |
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if (!source_desc) { |
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acpi_os_printf("[Null Object]\n"); |
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return_VOID; |
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} |
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if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) { |
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/* No object type prefix needed for integers and strings */ |
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if ((source_desc->common.type != ACPI_TYPE_INTEGER) && |
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(source_desc->common.type != ACPI_TYPE_STRING)) { |
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acpi_os_printf("%s ", |
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acpi_ut_get_object_type_name |
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(source_desc)); |
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} |
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if (!acpi_ut_valid_internal_object(source_desc)) { |
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acpi_os_printf("%p, Invalid Internal Object!\n", |
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source_desc); |
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return_VOID; |
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} |
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} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == |
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ACPI_DESC_TYPE_NAMED) { |
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acpi_os_printf("%s (Node %p)\n", |
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acpi_ut_get_type_name(((struct |
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acpi_namespace_node *) |
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source_desc)->type), |
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source_desc); |
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return_VOID; |
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} else { |
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return_VOID; |
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} |
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/* source_desc is of type ACPI_DESC_TYPE_OPERAND */ |
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switch (source_desc->common.type) { |
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case ACPI_TYPE_INTEGER: |
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/* Output correct integer width */ |
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if (acpi_gbl_integer_byte_width == 4) { |
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acpi_os_printf("0x%8.8X\n", |
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(u32)source_desc->integer.value); |
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} else { |
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acpi_os_printf("0x%8.8X%8.8X\n", |
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ACPI_FORMAT_UINT64(source_desc->integer. |
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value)); |
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} |
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break; |
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case ACPI_TYPE_BUFFER: |
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acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length); |
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acpi_ut_dump_buffer(source_desc->buffer.pointer, |
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(source_desc->buffer.length < 256) ? |
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source_desc->buffer.length : 256, |
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DB_BYTE_DISPLAY, 0); |
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break; |
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case ACPI_TYPE_STRING: |
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acpi_os_printf("\"%s\"\n", source_desc->string.pointer); |
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break; |
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case ACPI_TYPE_PACKAGE: |
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acpi_os_printf("(Contains 0x%.2X Elements):\n", |
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source_desc->package.count); |
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/* Output the entire contents of the package */ |
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for (i = 0; i < source_desc->package.count; i++) { |
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acpi_ex_do_debug_object(source_desc->package. |
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elements[i], level + 4, i + 1); |
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} |
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break; |
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case ACPI_TYPE_LOCAL_REFERENCE: |
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acpi_os_printf("[%s] ", |
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acpi_ut_get_reference_name(source_desc)); |
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/* Decode the reference */ |
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switch (source_desc->reference.class) { |
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case ACPI_REFCLASS_INDEX: |
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acpi_os_printf("0x%X\n", source_desc->reference.value); |
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break; |
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case ACPI_REFCLASS_TABLE: |
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/* Case for ddb_handle */ |
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acpi_os_printf("Table Index 0x%X\n", |
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source_desc->reference.value); |
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return_VOID; |
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default: |
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break; |
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} |
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acpi_os_printf(" "); |
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/* Check for valid node first, then valid object */ |
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if (source_desc->reference.node) { |
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if (ACPI_GET_DESCRIPTOR_TYPE |
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(source_desc->reference.node) != |
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ACPI_DESC_TYPE_NAMED) { |
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acpi_os_printf |
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(" %p - Not a valid namespace node\n", |
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source_desc->reference.node); |
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} else { |
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acpi_os_printf("Node %p [%4.4s] ", |
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source_desc->reference.node, |
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(source_desc->reference.node)-> |
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name.ascii); |
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switch ((source_desc->reference.node)->type) { |
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/* These types have no attached object */ |
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case ACPI_TYPE_DEVICE: |
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acpi_os_printf("Device\n"); |
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break; |
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case ACPI_TYPE_THERMAL: |
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acpi_os_printf("Thermal Zone\n"); |
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break; |
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default: |
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acpi_ex_do_debug_object((source_desc-> |
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reference. |
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node)->object, |
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level + 4, 0); |
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break; |
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} |
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} |
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} else if (source_desc->reference.object) { |
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if (ACPI_GET_DESCRIPTOR_TYPE |
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(source_desc->reference.object) == |
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ACPI_DESC_TYPE_NAMED) { |
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/* Reference object is a namespace node */ |
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acpi_ex_do_debug_object(ACPI_CAST_PTR |
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(union |
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acpi_operand_object, |
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source_desc->reference. |
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object), level + 4, 0); |
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} else { |
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object_desc = source_desc->reference.object; |
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value = source_desc->reference.value; |
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switch (object_desc->common.type) { |
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case ACPI_TYPE_BUFFER: |
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acpi_os_printf("Buffer[%u] = 0x%2.2X\n", |
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value, |
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*source_desc->reference. |
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index_pointer); |
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break; |
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case ACPI_TYPE_STRING: |
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acpi_os_printf |
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("String[%u] = \"%c\" (0x%2.2X)\n", |
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value, |
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*source_desc->reference. |
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index_pointer, |
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*source_desc->reference. |
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index_pointer); |
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break; |
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case ACPI_TYPE_PACKAGE: |
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acpi_os_printf("Package[%u] = ", value); |
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if (!(*source_desc->reference.where)) { |
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acpi_os_printf |
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("[Uninitialized Package Element]\n"); |
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} else { |
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acpi_ex_do_debug_object |
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(*source_desc->reference. |
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where, level + 4, 0); |
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} |
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break; |
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default: |
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acpi_os_printf |
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("Unknown Reference object type %X\n", |
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object_desc->common.type); |
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break; |
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} |
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} |
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} |
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break; |
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default: |
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acpi_os_printf("(Descriptor %p)\n", source_desc); |
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break; |
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} |
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ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n")); |
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return_VOID; |
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} |
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#endif
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