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/******************************************************************************* |
* |
* Module Name: rsdump - AML debugger support for resource structures. |
* |
******************************************************************************/ |
|
/* |
* Copyright (C) 2000 - 2015, Intel Corp. |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* 1. Redistributions of source code must retain the above copyright |
* notice, this list of conditions, and the following disclaimer, |
* without modification. |
* 2. Redistributions in binary form must reproduce at minimum a disclaimer |
* substantially similar to the "NO WARRANTY" disclaimer below |
* ("Disclaimer") and any redistribution must be conditioned upon |
* including a substantially similar Disclaimer requirement for further |
* binary redistribution. |
* 3. Neither the names of the above-listed copyright holders nor the names |
* of any contributors may be used to endorse or promote products derived |
* from this software without specific prior written permission. |
* |
* Alternatively, this software may be distributed under the terms of the |
* GNU General Public License ("GPL") version 2 as published by the Free |
* Software Foundation. |
* |
* NO WARRANTY |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
* POSSIBILITY OF SUCH DAMAGES. |
*/ |
|
#include <acpi/acpi.h> |
#include "accommon.h" |
#include "acresrc.h" |
|
#define _COMPONENT ACPI_RESOURCES |
ACPI_MODULE_NAME("rsdump") |
|
/* |
* All functions in this module are used by the AML Debugger only |
*/ |
/* Local prototypes */ |
static void acpi_rs_out_string(char *title, char *value); |
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static void acpi_rs_out_integer8(char *title, u8 value); |
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static void acpi_rs_out_integer16(char *title, u16 value); |
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static void acpi_rs_out_integer32(char *title, u32 value); |
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static void acpi_rs_out_integer64(char *title, u64 value); |
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static void acpi_rs_out_title(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 |
acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source); |
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static void acpi_rs_dump_address_common(union acpi_resource_data *resource); |
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static void |
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table); |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump_resource_list |
* |
* PARAMETERS: resource_list - Pointer to a resource descriptor list |
* |
* RETURN: None |
* |
* DESCRIPTION: Dispatches the structure to the correct dump routine. |
* |
******************************************************************************/ |
|
void acpi_rs_dump_resource_list(struct acpi_resource *resource_list) |
{ |
u32 count = 0; |
u32 type; |
|
ACPI_FUNCTION_ENTRY(); |
|
/* Check if debug output enabled */ |
|
if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { |
return; |
} |
|
/* Walk list and dump all resource descriptors (END_TAG terminates) */ |
|
do { |
acpi_os_printf("\n[%02X] ", count); |
count++; |
|
/* Validate Type before dispatch */ |
|
type = resource_list->type; |
if (type > ACPI_RESOURCE_TYPE_MAX) { |
acpi_os_printf |
("Invalid descriptor type (%X) in resource list\n", |
resource_list->type); |
return; |
} |
|
/* Sanity check the length. It must not be zero, or we loop forever */ |
|
if (!resource_list->length) { |
acpi_os_printf |
("Invalid zero length descriptor in resource list\n"); |
return; |
} |
|
/* Dump the resource descriptor */ |
|
if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { |
acpi_rs_dump_descriptor(&resource_list->data, |
acpi_gbl_dump_serial_bus_dispatch |
[resource_list->data. |
common_serial_bus.type]); |
} else { |
acpi_rs_dump_descriptor(&resource_list->data, |
acpi_gbl_dump_resource_dispatch |
[type]); |
} |
|
/* Point to the next resource structure */ |
|
resource_list = ACPI_NEXT_RESOURCE(resource_list); |
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/* Exit when END_TAG descriptor is reached */ |
|
} while (type != ACPI_RESOURCE_TYPE_END_TAG); |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump_irq_list |
* |
* PARAMETERS: route_table - Pointer to the routing table to dump. |
* |
* RETURN: None |
* |
* DESCRIPTION: Print IRQ routing table |
* |
******************************************************************************/ |
|
void acpi_rs_dump_irq_list(u8 *route_table) |
{ |
struct acpi_pci_routing_table *prt_element; |
u8 count; |
|
ACPI_FUNCTION_ENTRY(); |
|
/* Check if debug output enabled */ |
|
if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { |
return; |
} |
|
prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table); |
|
/* Dump all table elements, Exit on zero length element */ |
|
for (count = 0; prt_element->length; count++) { |
acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n", |
count); |
acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt); |
|
prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table, |
prt_element, prt_element->length); |
} |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump_descriptor |
* |
* PARAMETERS: resource - Buffer containing the resource |
* table - Table entry to decode the resource |
* |
* RETURN: None |
* |
* DESCRIPTION: Dump a resource descriptor based on a dump table entry. |
* |
******************************************************************************/ |
|
static void |
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) |
{ |
u8 *target = NULL; |
u8 *previous_target; |
char *name; |
u8 count; |
|
/* First table entry must contain the table length (# of table entries) */ |
|
count = table->offset; |
|
while (count) { |
previous_target = target; |
target = ACPI_ADD_PTR(u8, resource, table->offset); |
name = table->name; |
|
switch (table->opcode) { |
case ACPI_RSD_TITLE: |
/* |
* Optional resource title |
*/ |
if (table->name) { |
acpi_os_printf("%s Resource\n", name); |
} |
break; |
|
/* Strings */ |
|
case ACPI_RSD_LITERAL: |
|
acpi_rs_out_string(name, |
ACPI_CAST_PTR(char, table->pointer)); |
break; |
|
case ACPI_RSD_STRING: |
|
acpi_rs_out_string(name, ACPI_CAST_PTR(char, target)); |
break; |
|
/* Data items, 8/16/32/64 bit */ |
|
case ACPI_RSD_UINT8: |
|
if (table->pointer) { |
acpi_rs_out_string(name, ACPI_CAST_PTR(char, |
table-> |
pointer |
[*target])); |
} else { |
acpi_rs_out_integer8(name, ACPI_GET8(target)); |
} |
break; |
|
case ACPI_RSD_UINT16: |
|
acpi_rs_out_integer16(name, ACPI_GET16(target)); |
break; |
|
case ACPI_RSD_UINT32: |
|
acpi_rs_out_integer32(name, ACPI_GET32(target)); |
break; |
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case ACPI_RSD_UINT64: |
|
acpi_rs_out_integer64(name, ACPI_GET64(target)); |
break; |
|
/* Flags: 1-bit and 2-bit flags supported */ |
|
case ACPI_RSD_1BITFLAG: |
|
acpi_rs_out_string(name, ACPI_CAST_PTR(char, |
table-> |
pointer[*target & |
0x01])); |
break; |
|
case ACPI_RSD_2BITFLAG: |
|
acpi_rs_out_string(name, ACPI_CAST_PTR(char, |
table-> |
pointer[*target & |
0x03])); |
break; |
|
case ACPI_RSD_3BITFLAG: |
|
acpi_rs_out_string(name, ACPI_CAST_PTR(char, |
table-> |
pointer[*target & |
0x07])); |
break; |
|
case ACPI_RSD_SHORTLIST: |
/* |
* Short byte list (single line output) for DMA and IRQ resources |
* Note: The list length is obtained from the previous table entry |
*/ |
if (previous_target) { |
acpi_rs_out_title(name); |
acpi_rs_dump_short_byte_list(*previous_target, |
target); |
} |
break; |
|
case ACPI_RSD_SHORTLISTX: |
/* |
* Short byte list (single line output) for GPIO vendor data |
* Note: The list length is obtained from the previous table entry |
*/ |
if (previous_target) { |
acpi_rs_out_title(name); |
acpi_rs_dump_short_byte_list(*previous_target, |
* |
(ACPI_CAST_INDIRECT_PTR |
(u8, target))); |
} |
break; |
|
case ACPI_RSD_LONGLIST: |
/* |
* Long byte list for Vendor resource data |
* Note: The list length is obtained from the previous table entry |
*/ |
if (previous_target) { |
acpi_rs_dump_byte_list(ACPI_GET16 |
(previous_target), |
target); |
} |
break; |
|
case ACPI_RSD_DWORDLIST: |
/* |
* Dword list for Extended Interrupt resources |
* Note: The list length is obtained from the previous table entry |
*/ |
if (previous_target) { |
acpi_rs_dump_dword_list(*previous_target, |
ACPI_CAST_PTR(u32, |
target)); |
} |
break; |
|
case ACPI_RSD_WORDLIST: |
/* |
* Word list for GPIO Pin Table |
* Note: The list length is obtained from the previous table entry |
*/ |
if (previous_target) { |
acpi_rs_dump_word_list(*previous_target, |
*(ACPI_CAST_INDIRECT_PTR |
(u16, target))); |
} |
break; |
|
case ACPI_RSD_ADDRESS: |
/* |
* Common flags for all Address resources |
*/ |
acpi_rs_dump_address_common(ACPI_CAST_PTR |
(union acpi_resource_data, |
target)); |
break; |
|
case ACPI_RSD_SOURCE: |
/* |
* Optional resource_source for Address resources |
*/ |
acpi_rs_dump_resource_source(ACPI_CAST_PTR |
(struct |
acpi_resource_source, |
target)); |
break; |
|
default: |
|
acpi_os_printf("**** Invalid table opcode [%X] ****\n", |
table->opcode); |
return; |
} |
|
table++; |
count--; |
} |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump_resource_source |
* |
* PARAMETERS: resource_source - Pointer to a Resource Source struct |
* |
* RETURN: None |
* |
* DESCRIPTION: Common routine for dumping the optional resource_source and the |
* corresponding resource_source_index. |
* |
******************************************************************************/ |
|
static void |
acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source) |
{ |
ACPI_FUNCTION_ENTRY(); |
|
if (resource_source->index == 0xFF) { |
return; |
} |
|
acpi_rs_out_integer8("Resource Source Index", resource_source->index); |
|
acpi_rs_out_string("Resource Source", |
resource_source->string_ptr ? |
resource_source->string_ptr : "[Not Specified]"); |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump_address_common |
* |
* PARAMETERS: resource - Pointer to an internal resource descriptor |
* |
* RETURN: None |
* |
* DESCRIPTION: Dump the fields that are common to all Address resource |
* descriptors |
* |
******************************************************************************/ |
|
static void acpi_rs_dump_address_common(union acpi_resource_data *resource) |
{ |
ACPI_FUNCTION_ENTRY(); |
|
/* Decode the type-specific flags */ |
|
switch (resource->address.resource_type) { |
case ACPI_MEMORY_RANGE: |
|
acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags); |
break; |
|
case ACPI_IO_RANGE: |
|
acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags); |
break; |
|
case ACPI_BUS_NUMBER_RANGE: |
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acpi_rs_out_string("Resource Type", "Bus Number Range"); |
break; |
|
default: |
|
acpi_rs_out_integer8("Resource Type", |
(u8) resource->address.resource_type); |
break; |
} |
|
/* Decode the general flags */ |
|
acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags); |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_out* |
* |
* PARAMETERS: title - Name of the resource field |
* value - Value of the resource field |
* |
* RETURN: None |
* |
* DESCRIPTION: Miscellaneous helper functions to consistently format the |
* output of the resource dump routines |
* |
******************************************************************************/ |
|
static void acpi_rs_out_string(char *title, char *value) |
{ |
acpi_os_printf("%27s : %s", title, value); |
if (!*value) { |
acpi_os_printf("[NULL NAMESTRING]"); |
} |
acpi_os_printf("\n"); |
} |
|
static void acpi_rs_out_integer8(char *title, u8 value) |
{ |
acpi_os_printf("%27s : %2.2X\n", title, value); |
} |
|
static void acpi_rs_out_integer16(char *title, u16 value) |
{ |
acpi_os_printf("%27s : %4.4X\n", title, value); |
} |
|
static void acpi_rs_out_integer32(char *title, u32 value) |
{ |
acpi_os_printf("%27s : %8.8X\n", title, value); |
} |
|
static void acpi_rs_out_integer64(char *title, u64 value) |
{ |
acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); |
} |
|
static void acpi_rs_out_title(char *title) |
{ |
acpi_os_printf("%27s : ", title); |
} |
|
/******************************************************************************* |
* |
* FUNCTION: acpi_rs_dump*List |
* |
* PARAMETERS: length - Number of elements in the list |
* data - Start of the list |
* |
* RETURN: None |
* |
* DESCRIPTION: Miscellaneous functions to dump lists of raw data |
* |
******************************************************************************/ |
|
static void acpi_rs_dump_byte_list(u16 length, u8 * data) |
{ |
u8 i; |
|
for (i = 0; i < length; i++) { |
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]); |
} |
} |
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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]); |
} |
} |