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-rw-r--r--drivers/acpi/acpica/acdebug.h3
-rw-r--r--drivers/acpi/acpica/dbtest.c164
2 files changed, 100 insertions, 67 deletions
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 3a339045b1bf..32f2e38c7570 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -16,7 +16,8 @@
#include "acdisasm.h"
#endif
-#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */
+#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */
+#define ACPI_DEBUG_LENGTH_FORMAT " (%.4X bits, %.3X bytes)"
struct acpi_db_command_info {
const char *name; /* Command Name */
diff --git a/drivers/acpi/acpica/dbtest.c b/drivers/acpi/acpica/dbtest.c
index 8a5462439a97..6db44a5ac786 100644
--- a/drivers/acpi/acpica/dbtest.c
+++ b/drivers/acpi/acpica/dbtest.c
@@ -10,6 +10,7 @@
#include "acdebug.h"
#include "acnamesp.h"
#include "acpredef.h"
+#include "acinterp.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbtest")
@@ -33,6 +34,9 @@ acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length);
static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node);
static acpi_status
+acpi_db_test_field_unit_type(union acpi_operand_object *obj_desc);
+
+static acpi_status
acpi_db_read_from_object(struct acpi_namespace_node *node,
acpi_object_type expected_type,
union acpi_object **value);
@@ -74,7 +78,7 @@ static struct acpi_db_argument_info acpi_db_test_types[] = {
static acpi_handle read_handle = NULL;
static acpi_handle write_handle = NULL;
-/* ASL Definitions of the debugger read/write control methods */
+/* ASL Definitions of the debugger read/write control methods. AML below. */
#if 0
definition_block("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
@@ -227,10 +231,8 @@ static void acpi_db_test_all_objects(void)
* RETURN: Status
*
* DESCRIPTION: Test one namespace object. Supported types are Integer,
- * String, Buffer, buffer_field, and field_unit. All other object
- * types are simply ignored.
- *
- * Note: Support for Packages is not implemented.
+ * String, Buffer, Package, buffer_field, and field_unit.
+ * All other object types are simply ignored.
*
******************************************************************************/
@@ -240,7 +242,6 @@ acpi_db_test_one_object(acpi_handle obj_handle,
{
struct acpi_namespace_node *node;
union acpi_operand_object *obj_desc;
- union acpi_operand_object *region_obj;
acpi_object_type local_type;
u32 bit_length = 0;
u32 byte_length = 0;
@@ -281,18 +282,21 @@ acpi_db_test_one_object(acpi_handle obj_handle,
break;
case ACPI_TYPE_FIELD_UNIT:
- case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
+ local_type = ACPI_TYPE_FIELD_UNIT;
+ break;
+
+ case ACPI_TYPE_BUFFER_FIELD:
+ /*
+ * The returned object will be a Buffer if the field length
+ * is larger than the size of an Integer (32 or 64 bits
+ * depending on the DSDT version).
+ */
local_type = ACPI_TYPE_INTEGER;
if (obj_desc) {
- /*
- * Returned object will be a Buffer if the field length
- * is larger than the size of an Integer (32 or 64 bits
- * depending on the DSDT version).
- */
bit_length = obj_desc->common_field.bit_length;
byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length);
if (bit_length > acpi_gbl_integer_bit_width) {
@@ -303,7 +307,7 @@ acpi_db_test_one_object(acpi_handle obj_handle,
default:
- /* Ignore all other types */
+ /* Ignore all non-data types - Methods, Devices, Scopes, etc. */
return (AE_OK);
}
@@ -314,40 +318,10 @@ acpi_db_test_one_object(acpi_handle obj_handle,
acpi_ut_get_type_name(node->type), node->name.ascii);
if (!obj_desc) {
- acpi_os_printf(" Ignoring, no attached object\n");
+ acpi_os_printf(" No attached sub-object, ignoring\n");
return (AE_OK);
}
- /*
- * Check for unsupported region types. Note: acpi_exec simulates
- * access to system_memory, system_IO, PCI_Config, and EC.
- */
- switch (node->type) {
- case ACPI_TYPE_LOCAL_REGION_FIELD:
-
- region_obj = obj_desc->field.region_obj;
- switch (region_obj->region.space_id) {
- case ACPI_ADR_SPACE_SYSTEM_MEMORY:
- case ACPI_ADR_SPACE_SYSTEM_IO:
- case ACPI_ADR_SPACE_PCI_CONFIG:
-
- break;
-
- default:
-
- acpi_os_printf
- (" %s space is not supported in this command [%4.4s]\n",
- acpi_ut_get_region_name(region_obj->region.
- space_id),
- region_obj->region.node->name.ascii);
- return (AE_OK);
- }
- break;
-
- default:
- break;
- }
-
/* At this point, we have resolved the object to one of the major types */
switch (local_type) {
@@ -371,6 +345,11 @@ acpi_db_test_one_object(acpi_handle obj_handle,
status = acpi_db_test_package_type(node);
break;
+ case ACPI_TYPE_FIELD_UNIT:
+
+ status = acpi_db_test_field_unit_type(obj_desc);
+ break;
+
default:
acpi_os_printf(" Ignoring, type not implemented (%2.2X)",
@@ -382,24 +361,8 @@ acpi_db_test_one_object(acpi_handle obj_handle,
if (ACPI_FAILURE(status)) {
status = AE_OK;
- goto exit;
- }
-
- switch (node->type) {
- case ACPI_TYPE_LOCAL_REGION_FIELD:
-
- region_obj = obj_desc->field.region_obj;
- acpi_os_printf(" (%s)",
- acpi_ut_get_region_name(region_obj->region.
- space_id));
-
- break;
-
- default:
- break;
}
-exit:
acpi_os_printf("\n");
return (status);
}
@@ -444,7 +407,7 @@ acpi_db_test_integer_type(struct acpi_namespace_node *node, u32 bit_length)
return (status);
}
- acpi_os_printf(" (%4.4X/%3.3X) %8.8X%8.8X",
+ acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " %8.8X%8.8X",
bit_length, ACPI_ROUND_BITS_UP_TO_BYTES(bit_length),
ACPI_FORMAT_UINT64(temp1->integer.value));
@@ -558,8 +521,9 @@ acpi_db_test_buffer_type(struct acpi_namespace_node *node, u32 bit_length)
/* Emit a few bytes of the buffer */
- acpi_os_printf(" (%4.4X/%3.3X)", bit_length, temp1->buffer.length);
- for (i = 0; ((i < 4) && (i < byte_length)); i++) {
+ acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT, bit_length,
+ temp1->buffer.length);
+ for (i = 0; ((i < 8) && (i < byte_length)); i++) {
acpi_os_printf(" %2.2X", temp1->buffer.pointer[i]);
}
acpi_os_printf("... ");
@@ -665,8 +629,9 @@ acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length)
return (status);
}
- acpi_os_printf(" (%4.4X/%3.3X) \"%s\"", (temp1->string.length * 8),
- temp1->string.length, temp1->string.pointer);
+ acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " \"%s\"",
+ (temp1->string.length * 8), temp1->string.length,
+ temp1->string.pointer);
/* Write a new value */
@@ -750,13 +715,80 @@ static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node)
return (status);
}
- acpi_os_printf(" %8.8X Elements", temp1->package.count);
+ acpi_os_printf(" %.2X Elements", temp1->package.count);
acpi_os_free(temp1);
return (status);
}
/*******************************************************************************
*
+ * FUNCTION: acpi_db_test_field_unit_type
+ *
+ * PARAMETERS: obj_desc - A field unit object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Test read/write on a named field unit.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_db_test_field_unit_type(union acpi_operand_object *obj_desc)
+{
+ union acpi_operand_object *region_obj;
+ u32 bit_length = 0;
+ u32 byte_length = 0;
+ acpi_status status = AE_OK;
+ union acpi_operand_object *ret_buffer_desc;
+
+ /* Supported spaces are memory/io/pci_config */
+
+ region_obj = obj_desc->field.region_obj;
+ switch (region_obj->region.space_id) {
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+
+ /* Need the interpreter to execute */
+
+ acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
+ acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+
+ /* Exercise read-then-write */
+
+ status =
+ acpi_ex_read_data_from_field(NULL, obj_desc,
+ &ret_buffer_desc);
+ if (status == AE_OK) {
+ acpi_ex_write_data_to_field(ret_buffer_desc, obj_desc,
+ NULL);
+ acpi_ut_remove_reference(ret_buffer_desc);
+ }
+
+ acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
+
+ bit_length = obj_desc->common_field.bit_length;
+ byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length);
+
+ acpi_os_printf(ACPI_DEBUG_LENGTH_FORMAT " [%s]", bit_length,
+ byte_length,
+ acpi_ut_get_region_name(region_obj->region.
+ space_id));
+ return (status);
+
+ default:
+
+ acpi_os_printf
+ (" %s address space is not supported in this command [%4.4s]",
+ acpi_ut_get_region_name(region_obj->region.space_id),
+ region_obj->region.node->name.ascii);
+ return (AE_OK);
+ }
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_db_read_from_object
*
* PARAMETERS: node - Parent NS node for the object
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 10:00:07 +0000