return_ACPI_STATUS(status);
}
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_fadt_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Completes initialization of the FADT-defined GPE blocks
+ * (0 and 1). This causes the _PRW methods to be run, so the HW
+ * must be fully initialized at this point, including global lock
+ * support.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_install_fadt_gpes(void)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE("ev_install_fadt_gpes");
+
+ /* Namespace must be locked */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* FADT GPE Block 0 */
+
+ (void)acpi_ev_initialize_gpe_block(acpi_gbl_fadt_gpe_device,
+ acpi_gbl_gpe_fadt_blocks[0]);
+
+ /* FADT GPE Block 1 */
+
+ (void)acpi_ev_initialize_gpe_block(acpi_gbl_fadt_gpe_device,
+ acpi_gbl_gpe_fadt_blocks[1]);
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(AE_OK);
+}
+
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_xrupt_handlers
*
* RETURN: TRUE if the gpe_event is valid
*
- * DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
+ * DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
*
* 2) Edge/Level determination is based on the 2nd character
* of the method name
*
- * NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
+ * NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
* if a _PRW object is found that points to this GPE.
*/
switch (name[1]) {
/*
* Now we can add this information to the gpe_event_info block
- * for use during dispatch of this GPE. Default type is RUNTIME, although
+ * for use during dispatch of this GPE. Default type is RUNTIME, although
* this may change when the _PRW methods are executed later.
*/
gpe_event_info =
&gpe_block->event_info[gpe_number - gpe_block->block_base_number];
- gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD |
- ACPI_GPE_TYPE_RUNTIME);
+ gpe_event_info->flags = (u8)
+ (type | ACPI_GPE_DISPATCH_METHOD | ACPI_GPE_TYPE_RUNTIME);
gpe_event_info->dispatch.method_node =
(struct acpi_namespace_node *)obj_handle;
*
* PARAMETERS: Callback from walk_namespace
*
- * RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
+ * RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
* not aborted on a single _PRW failure.
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
- * Device. Run the _PRW method. If present, extract the GPE
+ * Device. Run the _PRW method. If present, extract the GPE
* number and mark the GPE as a WAKE GPE.
*
******************************************************************************/
gpe_event_info->flags &=
~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED);
+
status =
acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE);
if (ACPI_FAILURE(status)) {
*
* RETURN: A GPE interrupt block
*
- * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
+ * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
* block per unique interrupt level used for GPEs.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
/* Disable this interrupt */
- status = acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
- acpi_ev_gpe_xrupt_handler);
+ status =
+ acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
+ acpi_ev_gpe_xrupt_handler);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Allocate the GPE event_info block. There are eight distinct GPEs
- * per register. Initialization to zeros is sufficient.
+ * per register. Initialization to zeros is sufficient.
*/
gpe_event_info = ACPI_MEM_CALLOCATE(((acpi_size) gpe_block->
register_count *
gpe_block->event_info = gpe_event_info;
/*
- * Initialize the GPE Register and Event structures. A goal of these
+ * Initialize the GPE Register and Event structures. A goal of these
* tables is to hide the fact that there are two separate GPE register sets
- * in a given gpe hardware block, the status registers occupy the first half,
+ * in a given GPE hardware block, the status registers occupy the first half,
* and the enable registers occupy the second half.
*/
this_register = gpe_register_info;
this_event++;
}
- /*
- * Clear the status/enable registers. Note that status registers
- * are cleared by writing a '1', while enable registers are cleared
- * by writing a '0'.
- */
+ /* Disable all GPEs within this register */
+
status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0x00,
&this_register->
enable_address);
goto error_exit;
}
+ /* Clear any pending GPE events within this register */
+
status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0xFF,
&this_register->
status_address);
*
* RETURN: Status
*
- * DESCRIPTION: Create and Install a block of GPE registers
+ * DESCRIPTION: Create and Install a block of GPE registers. All GPEs within
+ * the block are disabled at exit.
+ * Note: Assumes namespace is locked.
*
******************************************************************************/
u32 interrupt_number,
struct acpi_gpe_block_info **return_gpe_block)
{
- struct acpi_gpe_block_info *gpe_block;
- struct acpi_gpe_event_info *gpe_event_info;
- acpi_native_uint i;
- acpi_native_uint j;
- u32 wake_gpe_count;
- u32 gpe_enabled_count;
acpi_status status;
- struct acpi_gpe_walk_info gpe_info;
+ struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_TRACE("ev_create_gpe_block");
/* Initialize the new GPE block */
+ gpe_block->node = gpe_device;
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
- gpe_block->node = gpe_device;
ACPI_MEMCPY(&gpe_block->block_address, gpe_block_address,
sizeof(struct acpi_generic_address));
- /* Create the register_info and event_info sub-structures */
-
+ /*
+ * Create the register_info and event_info sub-structures
+ * Note: disables and clears all GPEs in the block
+ */
status = acpi_ev_create_gpe_info_blocks(gpe_block);
if (ACPI_FAILURE(status)) {
ACPI_MEM_FREE(gpe_block);
return_ACPI_STATUS(status);
}
- /* Install the new block in the global list(s) */
+ /* Install the new block in the global lists */
status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
if (ACPI_FAILURE(status)) {
acpi_ev_save_method_info, gpe_block,
NULL);
+ /* Return the new block */
+
+ if (return_gpe_block) {
+ (*return_gpe_block) = gpe_block;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT,
+ "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
+ (u32) gpe_block->block_base_number,
+ (u32) (gpe_block->block_base_number +
+ ((gpe_block->register_count *
+ ACPI_GPE_REGISTER_WIDTH) - 1)),
+ gpe_device->name.ascii, gpe_block->register_count,
+ interrupt_number));
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_initialize_gpe_block
+ *
+ * PARAMETERS: gpe_device - Handle to the parent GPE block
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Initialize and enable a GPE block. First find and run any
+ * _PRT methods associated with the block, then enable the
+ * appropriate GPEs.
+ * Note: Assumes namespace is locked.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
+ struct acpi_gpe_block_info *gpe_block)
+{
+ acpi_status status;
+ struct acpi_gpe_event_info *gpe_event_info;
+ struct acpi_gpe_walk_info gpe_info;
+ u32 wake_gpe_count;
+ u32 gpe_enabled_count;
+ acpi_native_uint i;
+ acpi_native_uint j;
+
+ ACPI_FUNCTION_TRACE("ev_initialize_gpe_block");
+
+ /* Ignore a null GPE block (e.g., if no GPE block 1 exists) */
+
+ if (!gpe_block) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
/*
- * Runtime option: Should Wake GPEs be enabled at runtime? The default
- * is No, they should only be enabled just as the machine goes to sleep.
+ * Runtime option: Should wake GPEs be enabled at runtime? The default
+ * is no, they should only be enabled just as the machine goes to sleep.
*/
if (acpi_gbl_leave_wake_gpes_disabled) {
/*
- * Differentiate RUNTIME vs WAKE GPEs, via the _PRW control methods.
- * (Each GPE that has one or more _PRWs that reference it is by
- * definition a WAKE GPE and will not be enabled while the machine
- * is running.)
+ * Differentiate runtime vs wake GPEs, via the _PRW control methods.
+ * Each GPE that has one or more _PRWs that reference it is by
+ * definition a wake GPE and will not be enabled while the machine
+ * is running.
*/
gpe_info.gpe_block = gpe_block;
gpe_info.gpe_device = gpe_device;
}
/*
- * Enable all GPEs in this block that are 1) "runtime" or "run/wake" GPEs,
- * and 2) have a corresponding _Lxx or _Exx method. All other GPEs must
- * be enabled via the acpi_enable_gpe() external interface.
+ * Enable all GPEs in this block that have these attributes:
+ * 1) are "runtime" or "run/wake" GPEs, and
+ * 2) have a corresponding _Lxx or _Exx method
+ *
+ * Any other GPEs within this block must be enabled via the acpi_enable_gpe()
+ * external interface.
*/
wake_gpe_count = 0;
gpe_enabled_count = 0;
}
}
- /* Dump info about this GPE block */
-
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
- (u32) gpe_block->block_base_number,
- (u32) (gpe_block->block_base_number +
- ((gpe_block->register_count *
- ACPI_GPE_REGISTER_WIDTH) - 1)),
- gpe_device->name.ascii, gpe_block->register_count,
- interrupt_number));
-
- /* Enable all valid GPEs found above */
-
- status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
-
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"Found %u Wake, Enabled %u Runtime GPEs in this block\n",
wake_gpe_count, gpe_enabled_count));
- /* Return the new block */
+ /* Enable all valid runtime GPEs found above */
- if (return_gpe_block) {
- (*return_gpe_block) = gpe_block;
+ status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("Could not enable GPEs in gpe_block %p\n",
+ gpe_block));
}
- return_ACPI_STATUS(AE_OK);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
goto unlock_and_exit;
}
+ /* Run the _PRW methods and enable the GPEs */
+
+ status = acpi_ev_initialize_gpe_block(node, gpe_block);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
/* Get the device_object attached to the node */
obj_desc = acpi_ns_get_attached_object(node);
*/
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/* Local prototypes */
-#ifdef ACPI_FUTURE_USAGE
static void acpi_ex_out_string(char *title, char *value);
static void acpi_ex_out_pointer(char *title, void *value);
-static void acpi_ex_out_integer(char *title, u32 value);
-
static void acpi_ex_out_address(char *title, acpi_physical_address value);
-static void acpi_ex_dump_reference(union acpi_operand_object *obj_desc);
+static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
static void
-acpi_ex_dump_package(union acpi_operand_object *obj_desc, u32 level, u32 index);
-#endif /* ACPI_FUTURE_USAGE */
+acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
+ u32 level, u32 index);
+
+/*******************************************************************************
+ *
+ * Object Descriptor info tables
+ *
+ * Note: The first table entry must be an INIT opcode and must contain
+ * the table length (number of table entries)
+ *
+ ******************************************************************************/
+
+static struct acpi_exdump_info acpi_ex_dump_integer[2] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL},
+ {ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_string[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"},
+ {ACPI_EXD_STRING, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_buffer[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
+ {ACPI_EXD_BUFFER, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_package[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
+ {ACPI_EXD_PACKAGE, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_device[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.handler), "Handler"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.system_notify),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.device_notify),
+ "Device Notify"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_event[2] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.semaphore), "Semaphore"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_method[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "param_count"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
+ {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
+ "Acquire Depth"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.semaphore), "Semaphore"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_region[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
+ {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_power[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
+ "System Level"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
+ "Resource Order"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify),
+ "Device Notify"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(processor.length), "Length"},
+ {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify),
+ "Device Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify),
+ "System Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify),
+ "Device Notify"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
+ "Buffer Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_region_field[3] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
+ "Region Object"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
+ {ACPI_EXD_FIELD, 0, NULL},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
+ "Index Object"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_reference[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.offset), "Offset"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
+ {ACPI_EXD_REFERENCE, 0, NULL}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
+ NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list),
+ "Region List"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_notify[3] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}
+};
+
+/* Miscellaneous tables */
+
+static struct acpi_exdump_info acpi_ex_dump_common[4] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
+ {ACPI_EXD_TYPE, 0, NULL},
+ {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
+ "Reference Count"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
+ "Field Flags"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
+ "Access Byte Width"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
+ "Bit Length"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
+ "Field Bit Offset"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
+ "Base Byte Offset"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
+};
+
+static struct acpi_exdump_info acpi_ex_dump_node[6] = {
+ {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
+ {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
+ {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
+ {ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(reference_count),
+ "Reference Count"},
+ {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
+ {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
+};
+
+/* Dispatch table, indexed by object type */
+
+static struct acpi_exdump_info *acpi_ex_dump_info[] = {
+ NULL,
+ acpi_ex_dump_integer,
+ acpi_ex_dump_string,
+ acpi_ex_dump_buffer,
+ acpi_ex_dump_package,
+ NULL,
+ acpi_ex_dump_device,
+ acpi_ex_dump_event,
+ acpi_ex_dump_method,
+ acpi_ex_dump_mutex,
+ acpi_ex_dump_region,
+ acpi_ex_dump_power,
+ acpi_ex_dump_processor,
+ acpi_ex_dump_thermal,
+ acpi_ex_dump_buffer_field,
+ NULL,
+ NULL,
+ acpi_ex_dump_region_field,
+ acpi_ex_dump_bank_field,
+ acpi_ex_dump_index_field,
+ acpi_ex_dump_reference,
+ NULL,
+ NULL,
+ acpi_ex_dump_notify,
+ acpi_ex_dump_address_handler,
+ NULL,
+ NULL,
+ NULL
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_object
+ *
+ * PARAMETERS: obj_desc - Descriptor to dump
+ * Info - Info table corresponding to this object
+ * type
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Walk the info table for this object
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_object(union acpi_operand_object *obj_desc,
+ struct acpi_exdump_info *info)
+{
+ u8 *target;
+ char *name;
+ u8 count;
+
+ if (!info) {
+ acpi_os_printf
+ ("ex_dump_object: Display not implemented for object type %s\n",
+ acpi_ut_get_object_type_name(obj_desc));
+ return;
+ }
+
+ /* First table entry must contain the table length (# of table entries) */
+
+ count = info->offset;
+
+ while (count) {
+ target = ((u8 *) obj_desc) + info->offset;
+ name = info->name;
+
+ switch (info->opcode) {
+ case ACPI_EXD_INIT:
+ break;
+
+ case ACPI_EXD_TYPE:
+ acpi_ex_out_string("Type",
+ acpi_ut_get_object_type_name
+ (obj_desc));
+ break;
+
+ case ACPI_EXD_UINT8:
+
+ acpi_os_printf("%20s : %2.2X\n", name, *target);
+ break;
+
+ case ACPI_EXD_UINT16:
+
+ acpi_os_printf("%20s : %4.4X\n", name,
+ *ACPI_CAST_PTR(u16, target));
+ break;
+
+ case ACPI_EXD_UINT32:
+
+ acpi_os_printf("%20s : %8.8X\n", name,
+ *ACPI_CAST_PTR(u32, target));
+ break;
+
+ case ACPI_EXD_UINT64:
+
+ acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
+ ACPI_FORMAT_UINT64(*ACPI_CAST_PTR
+ (u64, target)));
+ break;
+
+ case ACPI_EXD_POINTER:
+
+ acpi_ex_out_pointer(name,
+ *ACPI_CAST_PTR(void *, target));
+ break;
+
+ case ACPI_EXD_ADDRESS:
+
+ acpi_ex_out_address(name,
+ *ACPI_CAST_PTR
+ (acpi_physical_address, target));
+ break;
+
+ case ACPI_EXD_STRING:
+
+ acpi_ut_print_string(obj_desc->string.pointer,
+ ACPI_UINT8_MAX);
+ acpi_os_printf("\n");
+ break;
+
+ case ACPI_EXD_BUFFER:
+
+ ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
+ obj_desc->buffer.length);
+ break;
+
+ case ACPI_EXD_PACKAGE:
+
+ /* Dump the package contents */
+
+ acpi_os_printf("\nPackage Contents:\n");
+ acpi_ex_dump_package_obj(obj_desc, 0, 0);
+ break;
+
+ case ACPI_EXD_FIELD:
+
+ acpi_ex_dump_object(obj_desc,
+ acpi_ex_dump_field_common);
+ break;
+
+ case ACPI_EXD_REFERENCE:
+
+ acpi_ex_out_string("Opcode",
+ (acpi_ps_get_opcode_info
+ (obj_desc->reference.opcode))->
+ name);
+ acpi_ex_dump_reference_obj(obj_desc);
+ break;
+
+ default:
+ acpi_os_printf("**** Invalid table opcode [%X] ****\n",
+ info->opcode);
+ return;
+ }
+
+ info++;
+ count--;
+ }
+}
/*******************************************************************************
*
return;
}
-#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
* FUNCTION: acpi_ex_out* functions
acpi_os_printf("%20s : %p\n", title, value);
}
-static void acpi_ex_out_integer(char *title, u32 value)
-{
- acpi_os_printf("%20s : %.2X\n", title, value);
-}
-
static void acpi_ex_out_address(char *title, acpi_physical_address value)
{
/*******************************************************************************
*
- * FUNCTION: acpi_ex_dump_node
+ * FUNCTION: acpi_ex_dump_namespace_node
*
- * PARAMETERS: *Node - Descriptor to dump
+ * PARAMETERS: Node - Descriptor to dump
* Flags - Force display if TRUE
*
* DESCRIPTION: Dumps the members of the given.Node
*
******************************************************************************/
-void acpi_ex_dump_node(struct acpi_namespace_node *node, u32 flags)
+void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
{
ACPI_FUNCTION_ENTRY();
acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
- acpi_ex_out_integer("Flags", node->flags);
- acpi_ex_out_integer("Owner Id", node->owner_id);
- acpi_ex_out_integer("Reference Count", node->reference_count);
acpi_ex_out_pointer("Attached Object",
acpi_ns_get_attached_object(node));
- acpi_ex_out_pointer("child_list", node->child);
- acpi_ex_out_pointer("next_peer", node->peer);
acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node));
+
+ acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
+ acpi_ex_dump_node);
}
/*******************************************************************************
*
- * FUNCTION: acpi_ex_dump_reference
+ * FUNCTION: acpi_ex_dump_reference_obj
*
* PARAMETERS: Object - Descriptor to dump
*
*
******************************************************************************/
-static void acpi_ex_dump_reference(union acpi_operand_object *obj_desc)
+static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
{
struct acpi_buffer ret_buf;
acpi_status status;
+ ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+
if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
acpi_os_printf("Named Object %p ", obj_desc->reference.node);
- ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+
status =
acpi_ns_handle_to_pathname(obj_desc->reference.node,
&ret_buf);
/*******************************************************************************
*
- * FUNCTION: acpi_ex_dump_package
+ * FUNCTION: acpi_ex_dump_package_obj
*
- * PARAMETERS: Object - Descriptor to dump
+ * PARAMETERS: obj_desc - Descriptor to dump
* Level - Indentation Level
* Index - Package index for this object
*
******************************************************************************/
static void
-acpi_ex_dump_package(union acpi_operand_object *obj_desc, u32 level, u32 index)
+acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
+ u32 level, u32 index)
{
u32 i;
obj_desc->package.count);
for (i = 0; i < obj_desc->package.count; i++) {
- acpi_ex_dump_package(obj_desc->package.elements[i],
- level + 1, i);
+ acpi_ex_dump_package_obj(obj_desc->package.elements[i],
+ level + 1, i);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("[Object Reference] ");
- acpi_ex_dump_reference(obj_desc);
+ acpi_ex_dump_reference_obj(obj_desc);
break;
default:
*
* FUNCTION: acpi_ex_dump_object_descriptor
*
- * PARAMETERS: Object - Descriptor to dump
+ * PARAMETERS: obj_desc - Descriptor to dump
* Flags - Force display if TRUE
*
* DESCRIPTION: Dumps the members of the object descriptor given.
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
- acpi_ex_dump_node((struct acpi_namespace_node *)obj_desc,
- flags);
+ acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
+ obj_desc, flags);
+
acpi_os_printf("\nAttached Object (%p):\n",
((struct acpi_namespace_node *)obj_desc)->
object);
+
acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *)
obj_desc)->object, flags);
return_VOID;
return_VOID;
}
- /* Common Fields */
-
- acpi_ex_out_string("Type", acpi_ut_get_object_type_name(obj_desc));
- acpi_ex_out_integer("Reference Count",
- obj_desc->common.reference_count);
- acpi_ex_out_integer("Flags", obj_desc->common.flags);
-
- /* Object-specific Fields */
-
- switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
- case ACPI_TYPE_INTEGER:
-
- acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
- ACPI_FORMAT_UINT64(obj_desc->integer.value));
- break;
-
- case ACPI_TYPE_STRING:
-
- acpi_ex_out_integer("Length", obj_desc->string.length);
-
- acpi_os_printf("%20s : %p ", "Pointer",
- obj_desc->string.pointer);
- acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
- acpi_os_printf("\n");
- break;
-
- case ACPI_TYPE_BUFFER:
-
- acpi_ex_out_integer("Length", obj_desc->buffer.length);
- acpi_ex_out_pointer("Pointer", obj_desc->buffer.pointer);
- ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
- obj_desc->buffer.length);
- break;
-
- case ACPI_TYPE_PACKAGE:
-
- acpi_ex_out_integer("Flags", obj_desc->package.flags);
- acpi_ex_out_integer("Elements", obj_desc->package.count);
- acpi_ex_out_pointer("Element List", obj_desc->package.elements);
-
- /* Dump the package contents */
-
- acpi_os_printf("\nPackage Contents:\n");
- acpi_ex_dump_package(obj_desc, 0, 0);
- break;
-
- case ACPI_TYPE_DEVICE:
-
- acpi_ex_out_pointer("Handler", obj_desc->device.handler);
- acpi_ex_out_pointer("system_notify",
- obj_desc->device.system_notify);
- acpi_ex_out_pointer("device_notify",
- obj_desc->device.device_notify);
- break;
-
- case ACPI_TYPE_EVENT:
-
- acpi_ex_out_pointer("Semaphore", obj_desc->event.semaphore);
- break;
-
- case ACPI_TYPE_METHOD:
-
- acpi_ex_out_integer("param_count",
- obj_desc->method.param_count);
- acpi_ex_out_integer("Concurrency",
- obj_desc->method.concurrency);
- acpi_ex_out_pointer("Semaphore", obj_desc->method.semaphore);
- acpi_ex_out_integer("owner_id", obj_desc->method.owner_id);
- acpi_ex_out_integer("aml_length", obj_desc->method.aml_length);
- acpi_ex_out_pointer("aml_start", obj_desc->method.aml_start);
- break;
-
- case ACPI_TYPE_MUTEX:
-
- acpi_ex_out_integer("sync_level", obj_desc->mutex.sync_level);
- acpi_ex_out_pointer("owner_thread",
- obj_desc->mutex.owner_thread);
- acpi_ex_out_integer("acquire_depth",
- obj_desc->mutex.acquisition_depth);
- acpi_ex_out_pointer("Semaphore", obj_desc->mutex.semaphore);
- break;
-
- case ACPI_TYPE_REGION:
-
- acpi_ex_out_integer("space_id", obj_desc->region.space_id);
- acpi_ex_out_integer("Flags", obj_desc->region.flags);
- acpi_ex_out_address("Address", obj_desc->region.address);
- acpi_ex_out_integer("Length", obj_desc->region.length);
- acpi_ex_out_pointer("Handler", obj_desc->region.handler);
- acpi_ex_out_pointer("Next", obj_desc->region.next);
- break;
-
- case ACPI_TYPE_POWER:
-
- acpi_ex_out_integer("system_level",
- obj_desc->power_resource.system_level);
- acpi_ex_out_integer("resource_order",
- obj_desc->power_resource.resource_order);
- acpi_ex_out_pointer("system_notify",
- obj_desc->power_resource.system_notify);
- acpi_ex_out_pointer("device_notify",
- obj_desc->power_resource.device_notify);
- break;
-
- case ACPI_TYPE_PROCESSOR:
-
- acpi_ex_out_integer("Processor ID",
- obj_desc->processor.proc_id);
- acpi_ex_out_integer("Length", obj_desc->processor.length);
- acpi_ex_out_address("Address",
- (acpi_physical_address) obj_desc->processor.
- address);
- acpi_ex_out_pointer("system_notify",
- obj_desc->processor.system_notify);
- acpi_ex_out_pointer("device_notify",
- obj_desc->processor.device_notify);
- acpi_ex_out_pointer("Handler", obj_desc->processor.handler);
- break;
-
- case ACPI_TYPE_THERMAL:
-
- acpi_ex_out_pointer("system_notify",
- obj_desc->thermal_zone.system_notify);
- acpi_ex_out_pointer("device_notify",
- obj_desc->thermal_zone.device_notify);
- acpi_ex_out_pointer("Handler", obj_desc->thermal_zone.handler);
- break;
-
- case ACPI_TYPE_BUFFER_FIELD:
- case ACPI_TYPE_LOCAL_REGION_FIELD:
- case ACPI_TYPE_LOCAL_BANK_FIELD:
- case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
- acpi_ex_out_integer("field_flags",
- obj_desc->common_field.field_flags);
- acpi_ex_out_integer("access_byte_width",
- obj_desc->common_field.access_byte_width);
- acpi_ex_out_integer("bit_length",
- obj_desc->common_field.bit_length);
- acpi_ex_out_integer("fld_bit_offset",
- obj_desc->common_field.
- start_field_bit_offset);
- acpi_ex_out_integer("base_byte_offset",
- obj_desc->common_field.base_byte_offset);
- acpi_ex_out_pointer("parent_node", obj_desc->common_field.node);
-
- switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
- case ACPI_TYPE_BUFFER_FIELD:
- acpi_ex_out_pointer("buffer_obj",
- obj_desc->buffer_field.buffer_obj);
- break;
-
- case ACPI_TYPE_LOCAL_REGION_FIELD:
- acpi_ex_out_pointer("region_obj",
- obj_desc->field.region_obj);
- break;
-
- case ACPI_TYPE_LOCAL_BANK_FIELD:
- acpi_ex_out_integer("Value",
- obj_desc->bank_field.value);
- acpi_ex_out_pointer("region_obj",
- obj_desc->bank_field.region_obj);
- acpi_ex_out_pointer("bank_obj",
- obj_desc->bank_field.bank_obj);
- break;
-
- case ACPI_TYPE_LOCAL_INDEX_FIELD:
- acpi_ex_out_integer("Value",
- obj_desc->index_field.value);
- acpi_ex_out_pointer("Index",
- obj_desc->index_field.index_obj);
- acpi_ex_out_pointer("Data",
- obj_desc->index_field.data_obj);
- break;
-
- default:
- /* All object types covered above */
- break;
- }
- break;
-
- case ACPI_TYPE_LOCAL_REFERENCE:
-
- acpi_ex_out_integer("target_type",
- obj_desc->reference.target_type);
- acpi_ex_out_string("Opcode",
- (acpi_ps_get_opcode_info
- (obj_desc->reference.opcode))->name);
- acpi_ex_out_integer("Offset", obj_desc->reference.offset);
- acpi_ex_out_pointer("obj_desc", obj_desc->reference.object);
- acpi_ex_out_pointer("Node", obj_desc->reference.node);
- acpi_ex_out_pointer("Where", obj_desc->reference.where);
-
- acpi_ex_dump_reference(obj_desc);
- break;
-
- case ACPI_TYPE_LOCAL_ADDRESS_HANDLER:
-
- acpi_ex_out_integer("space_id",
- obj_desc->address_space.space_id);
- acpi_ex_out_pointer("Next", obj_desc->address_space.next);
- acpi_ex_out_pointer("region_list",
- obj_desc->address_space.region_list);
- acpi_ex_out_pointer("Node", obj_desc->address_space.node);
- acpi_ex_out_pointer("Context", obj_desc->address_space.context);
- break;
+ if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
+ return_VOID;
+ }
- case ACPI_TYPE_LOCAL_NOTIFY:
+ /* Common Fields */
- acpi_ex_out_pointer("Node", obj_desc->notify.node);
- acpi_ex_out_pointer("Context", obj_desc->notify.context);
- break;
+ acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
- case ACPI_TYPE_LOCAL_ALIAS:
- case ACPI_TYPE_LOCAL_METHOD_ALIAS:
- case ACPI_TYPE_LOCAL_EXTRA:
- case ACPI_TYPE_LOCAL_DATA:
- default:
-
- acpi_os_printf
- ("ex_dump_object_descriptor: Display not implemented for object type %s\n",
- acpi_ut_get_object_type_name(obj_desc));
- break;
- }
+ /* Object-specific fields */
+ acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
return_VOID;
}
-#endif /* ACPI_FUTURE_USAGE */
#endif
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
+#include <acpi/amlresrc.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exmisc")
union acpi_operand_object **actual_return_desc,
struct acpi_walk_state *walk_state)
{
+ acpi_status status;
union acpi_operand_object *return_desc;
u8 *new_buf;
- u8 *end_tag1;
- u8 *end_tag2;
+ u8 *end_tag;
+ acpi_size length0;
acpi_size length1;
- acpi_size length2;
ACPI_FUNCTION_TRACE("ex_concat_template");
- /* Find the end_tags in each resource template */
+ /*
+ * Find the end_tag descriptor in each resource template.
+ * Note: returned pointers point TO the end_tag, not past it.
+ *
+ * Compute the length of each resource template
+ */
+ status = acpi_ut_get_resource_end_tag(operand0, &end_tag);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
- end_tag1 = acpi_ut_get_resource_end_tag(operand0);
- end_tag2 = acpi_ut_get_resource_end_tag(operand1);
- if (!end_tag1 || !end_tag2) {
- return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer);
+
+ status = acpi_ut_get_resource_end_tag(operand1, &end_tag);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- /* Compute the length of each part */
+ /* Include the end_tag in the second template length */
- length1 = ACPI_PTR_DIFF(end_tag1, operand0->buffer.pointer);
- length2 = ACPI_PTR_DIFF(end_tag2, operand1->buffer.pointer) + 2; /* Size of END_TAG */
+ length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer) +
+ sizeof(struct aml_resource_end_tag);
/* Create a new buffer object for the result */
- return_desc = acpi_ut_create_buffer_object(length1 + length2);
+ return_desc = acpi_ut_create_buffer_object(length0 + length1);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
- /* Copy the templates to the new descriptor */
-
+ /*
+ * Copy the templates to the new buffer, 0 first, then 1 follows. One
+ * end_tag descriptor is copied from Operand1.
+ */
new_buf = return_desc->buffer.pointer;
- ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length1);
- ACPI_MEMCPY(new_buf + length1, operand1->buffer.pointer, length2);
+ ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length0);
+ ACPI_MEMCPY(new_buf + length0, operand1->buffer.pointer, length1);
/* Compute the new checksum */
acpi_ut_generate_checksum(return_desc->buffer.pointer,
(return_desc->buffer.length - 1));
- /* Return the completed template descriptor */
+ /* Return the completed resource template */
*actual_return_desc = return_desc;
return_ACPI_STATUS(AE_OK);
/* Parameter validation */
- if ((type > ACPI_TYPE_EXTERNAL_MAX) || (!max_depth) || (!user_function)) {
+ if ((type > ACPI_TYPE_LOCAL_MAX) || (!max_depth) || (!user_function)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Point to the next object */
- resource = ACPI_PTR_ADD(struct acpi_resource,
- resource, resource->length);
+ resource =
+ ACPI_PTR_ADD(struct acpi_resource, resource,
+ resource->length);
}
- /* Did not find an END_TAG descriptor */
+ /* Did not find an end_tag resource descriptor */
- return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
/*******************************************************************************
acpi_rs_get_list_length(u8 * aml_buffer,
u32 aml_buffer_length, acpi_size * size_needed)
{
+ acpi_status status;
+ u8 *end_aml;
u8 *buffer;
- struct acpi_resource_info *resource_info;
u32 buffer_size = 0;
- u32 bytes_parsed = 0;
- u8 resource_type;
u16 temp16;
u16 resource_length;
- u16 header_length;
u32 extra_struct_bytes;
+ u8 resource_index;
+ u8 minimum_aml_resource_length;
ACPI_FUNCTION_TRACE("rs_get_list_length");
- while (bytes_parsed < aml_buffer_length) {
- /* The next byte in the stream is the resource descriptor type */
+ end_aml = aml_buffer + aml_buffer_length;
- resource_type = acpi_ut_get_resource_type(aml_buffer);
+ /* Walk the list of AML resource descriptors */
- /* Get the base stream size and structure sizes for the descriptor */
+ while (aml_buffer < end_aml) {
+ /* Validate the Resource Type and Resource Length */
- resource_info = acpi_rs_get_resource_info(resource_type);
- if (!resource_info) {
- return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
+ status = acpi_ut_validate_resource(aml_buffer, &resource_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- /* Get the Length field from the input resource descriptor */
+ /* Get the resource length and base (minimum) AML size */
resource_length = acpi_ut_get_resource_length(aml_buffer);
+ minimum_aml_resource_length =
+ acpi_gbl_resource_aml_sizes[resource_index];
- /* Augment the size for descriptors with optional fields */
-
+ /*
+ * Augment the size for descriptors with optional
+ * and/or variable length fields
+ */
extra_struct_bytes = 0;
+ buffer =
+ aml_buffer + acpi_ut_get_resource_header_length(aml_buffer);
- if (!(resource_type & ACPI_RESOURCE_NAME_LARGE)) {
+ switch (acpi_ut_get_resource_type(aml_buffer)) {
+ case ACPI_RESOURCE_NAME_IRQ:
/*
- * Small resource descriptors
+ * IRQ Resource:
+ * Get the number of bits set in the 16-bit IRQ mask
*/
- header_length =
- sizeof(struct aml_resource_small_header);
- buffer = aml_buffer + header_length;
-
- switch (resource_type) {
- case ACPI_RESOURCE_NAME_IRQ:
- /*
- * IRQ Resource:
- * Get the number of bits set in the IRQ word
- */
- ACPI_MOVE_16_TO_16(&temp16, buffer);
- extra_struct_bytes =
- (acpi_rs_count_set_bits(temp16) *
- sizeof(u32));
- break;
-
- case ACPI_RESOURCE_NAME_DMA:
- /*
- * DMA Resource:
- * Get the number of bits set in the DMA channels byte
- */
- ACPI_MOVE_16_TO_16(&temp16, buffer);
- extra_struct_bytes =
- (acpi_rs_count_set_bits(temp16) *
- sizeof(u32));
- break;
-
- case ACPI_RESOURCE_NAME_VENDOR_SMALL:
- /*
- * Vendor Specific Resource:
- * Ensure a 32-bit boundary for the structure
- */
- extra_struct_bytes =
- ACPI_ROUND_UP_to_32_bITS(resource_length);
- break;
+ ACPI_MOVE_16_TO_16(&temp16, buffer);
+ extra_struct_bytes =
+ acpi_rs_count_set_bits(temp16) * sizeof(u32);
+ break;
- case ACPI_RESOURCE_NAME_END_TAG:
- /*
- * End Tag:
- * Terminate the loop now
- */
- aml_buffer_length = bytes_parsed;
- break;
+ case ACPI_RESOURCE_NAME_DMA:
+ /*
+ * DMA Resource:
+ * Get the number of bits set in the 8-bit DMA mask
+ */
+ extra_struct_bytes =
+ acpi_rs_count_set_bits(*buffer) * sizeof(u32);
+ break;
- default:
- break;
- }
- } else {
+ case ACPI_RESOURCE_NAME_VENDOR_SMALL:
/*
- * Large resource descriptors
+ * Vendor Resource:
+ * Ensure a 32-bit boundary for the structure
*/
- header_length =
- sizeof(struct aml_resource_large_header);
- buffer = aml_buffer + header_length;
+ extra_struct_bytes =
+ ACPI_ROUND_UP_to_32_bITS(resource_length) -
+ resource_length;
+ break;
- switch (resource_type) {
- case ACPI_RESOURCE_NAME_VENDOR_LARGE:
- /*
- * Vendor Defined Resource:
- * Add vendor data and ensure a 32-bit boundary for the structure
- */
- extra_struct_bytes =
- ACPI_ROUND_UP_to_32_bITS(resource_length);
- break;
+ case ACPI_RESOURCE_NAME_END_TAG:
+ /*
+ * End Tag: This is the normal exit
+ */
+ *size_needed = buffer_size;
+ return_ACPI_STATUS(AE_OK);
- case ACPI_RESOURCE_NAME_ADDRESS32:
- case ACPI_RESOURCE_NAME_ADDRESS16:
- /*
- * 32-Bit or 16-bit Address Resource:
- * Add the size of any optional data (resource_source)
- */
- extra_struct_bytes =
- acpi_rs_stream_option_length
- (resource_length,
- resource_info->
- minimum_aml_resource_length);
- break;
-
- case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
- /*
- * Extended IRQ:
- * Point past the interrupt_vector_flags to get the
- * interrupt_table_length.
- */
- buffer++;
+ case ACPI_RESOURCE_NAME_VENDOR_LARGE:
+ /*
+ * Vendor Resource:
+ * Add vendor data and ensure a 32-bit boundary for the structure
+ */
+ extra_struct_bytes =
+ ACPI_ROUND_UP_to_32_bITS(resource_length) -
+ resource_length;
+ break;
- /*
- * Add 4 bytes for each additional interrupt. Note: at least one
- * interrupt is required and is included in the minimum
- * descriptor size
- */
- extra_struct_bytes =
- ((*buffer - 1) * sizeof(u32));
+ case ACPI_RESOURCE_NAME_ADDRESS32:
+ case ACPI_RESOURCE_NAME_ADDRESS16:
+ /*
+ * 32-Bit or 16-bit Address Resource:
+ * Add the size of any optional data (resource_source)
+ */
+ extra_struct_bytes =
+ acpi_rs_stream_option_length(resource_length,
+ minimum_aml_resource_length);
+ break;
- /* Add the size of any optional data (resource_source) */
+ case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
+ /*
+ * Extended IRQ:
+ * Point past the interrupt_vector_flags to get the
+ * interrupt_table_length.
+ */
+ buffer++;
+
+ extra_struct_bytes =
+ /*
+ * Add 4 bytes for each additional interrupt. Note: at
+ * least one interrupt is required and is included in
+ * the minimum descriptor size
+ */
+ ((*buffer - 1) * sizeof(u32)) +
+ /* Add the size of any optional data (resource_source) */
+ acpi_rs_stream_option_length(resource_length -
+ extra_struct_bytes,
+ minimum_aml_resource_length);
+ break;
- extra_struct_bytes +=
- acpi_rs_stream_option_length(resource_length
- -
- extra_struct_bytes,
- resource_info->
- minimum_aml_resource_length);
- break;
+ case ACPI_RESOURCE_NAME_ADDRESS64:
+ /*
+ * 64-Bit Address Resource:
+ * Add the size of any optional data (resource_source)
+ * Ensure a 64-bit boundary for the structure
+ */
+ extra_struct_bytes =
+ ACPI_ROUND_UP_to_64_bITS
+ (acpi_rs_stream_option_length
+ (resource_length, minimum_aml_resource_length));
+ break;
- case ACPI_RESOURCE_NAME_ADDRESS64:
- /*
- * 64-Bit Address Resource:
- * Add the size of any optional data (resource_source)
- * Ensure a 64-bit boundary for the structure
- */
- extra_struct_bytes =
- ACPI_ROUND_UP_to_64_bITS
- (acpi_rs_stream_option_length
- (resource_length,
- resource_info->
- minimum_aml_resource_length));
- break;
-
- default:
- break;
- }
+ default:
+ break;
}
/* Update the required buffer size for the internal descriptor structs */
- temp16 =
- (u16) (resource_info->minimum_internal_struct_length +
- extra_struct_bytes);
+ temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] +
+ extra_struct_bytes);
buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE(temp16);
/*
- * Update byte count and point to the next resource within the stream
+ * Point to the next resource within the stream
* using the size of the header plus the length contained in the header
*/
- temp16 = (u16) (header_length + resource_length);
- bytes_parsed += temp16;
- aml_buffer += temp16;
+ aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
}
- /* This is the data the caller needs */
+ /* Did not find an end_tag resource descriptor */
- *size_needed = buffer_size;
- return_ACPI_STATUS(AE_OK);
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
/*******************************************************************************
static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
{ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
- "Resource Type", "Memory Range"},
+ "Resource Type", (void *)"Memory Range"},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
"Write Protect", acpi_gbl_RWdecode},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
{ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
- "Resource Type", "I/O Range"},
+ "Resource Type", (void *)"I/O Range"},
{ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
"Range Type", acpi_gbl_RNGdecode},
{ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
static void
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
{
- void *target = NULL;
- void *previous_target;
+ u8 *target = NULL;
+ u8 *previous_target;
char *name;
u8 count;
/* Strings */
case ACPI_RSD_LITERAL:
- acpi_rs_out_string(name, (char *)table->pointer);
+ acpi_rs_out_string(name,
+ ACPI_CAST_PTR(char, table->pointer));
break;
case ACPI_RSD_STRING:
- acpi_rs_out_string(name, (char *)target);
+ acpi_rs_out_string(name, ACPI_CAST_PTR(char, target));
break;
/* Data items, 8/16/32/64 bit */
case ACPI_RSD_UINT8:
- acpi_rs_out_integer8(name, *(u8 *) target);
+ acpi_rs_out_integer8(name, *ACPI_CAST_PTR(u8, target));
break;
case ACPI_RSD_UINT16:
- acpi_rs_out_integer16(name, *(u16 *) target);
+ acpi_rs_out_integer16(name,
+ *ACPI_CAST_PTR(u16, target));
break;
case ACPI_RSD_UINT32:
- acpi_rs_out_integer32(name, *(u32 *) target);
+ acpi_rs_out_integer32(name,
+ *ACPI_CAST_PTR(u32, target));
break;
case ACPI_RSD_UINT64:
- acpi_rs_out_integer64(name, *(u64 *) target);
+ acpi_rs_out_integer64(name,
+ *ACPI_CAST_PTR(u64, target));
break;
/* Flags: 1-bit and 2-bit flags supported */
case ACPI_RSD_1BITFLAG:
- acpi_rs_out_string(name, (char *)
- ((const char **)table->
- pointer)[(*(u8 *) target) & 0x01]);
+ acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+ table->
+ pointer[*target &
+ 0x01]));
break;
case ACPI_RSD_2BITFLAG:
- acpi_rs_out_string(name, (char *)
- ((const char **)table->
- pointer)[(*(u8 *) target) & 0x03]);
+ acpi_rs_out_string(name, ACPI_CAST_PTR(char,
+ table->
+ pointer[*target &
+ 0x03]));
break;
case ACPI_RSD_SHORTLIST:
*/
if (previous_target) {
acpi_rs_out_title(name);
- acpi_rs_dump_short_byte_list(*
- ((u8 *)
- previous_target),
- (u8 *) target);
+ acpi_rs_dump_short_byte_list(*previous_target,
+ target);
}
break;
* Note: The list length is obtained from the previous table entry
*/
if (previous_target) {
- acpi_rs_dump_byte_list(*
- ((u16 *)
- previous_target),
- (u8 *) target);
+ acpi_rs_dump_byte_list(*ACPI_CAST_PTR
+ (u16, previous_target),
+ target);
}
break;
* Note: The list length is obtained from the previous table entry
*/
if (previous_target) {
- acpi_rs_dump_dword_list(*
- ((u8 *)
- previous_target),
- (u32 *) target);
+ acpi_rs_dump_dword_list(*previous_target,
+ ACPI_CAST_PTR(u32,
+ target));
}
break;
/*
* Common flags for all Address resources
*/
- acpi_rs_dump_address_common((union acpi_resource_data *)
- target);
+ 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((struct
- acpi_resource_source *)
- target);
+ acpi_rs_dump_resource_source(ACPI_CAST_PTR
+ (struct
+ acpi_resource_source,
+ target));
break;
default:
/* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
-struct acpi_rsconvert_info *acpi_gbl_sm_get_resource_dispatch[] = {
+struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
+ /* Small descriptors */
+
NULL, /* 0x00, Reserved */
NULL, /* 0x01, Reserved */
NULL, /* 0x02, Reserved */
NULL, /* 0x0C, Reserved */
NULL, /* 0x0D, Reserved */
acpi_rs_get_vendor_small, /* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
- acpi_rs_convert_end_tag /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
-};
+ acpi_rs_convert_end_tag, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
+
+ /* Large descriptors */
-struct acpi_rsconvert_info *acpi_gbl_lg_get_resource_dispatch[] = {
NULL, /* 0x00, Reserved */
acpi_rs_convert_memory24, /* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
acpi_rs_convert_generic_reg, /* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
acpi_rs_dump_ext_irq, /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
};
-
#endif
#endif /* ACPI_FUTURE_USAGE */
/*
sizeof(struct aml_resource_generic_register) /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
};
-/* Macros used in the tables below */
+const u8 acpi_gbl_resource_struct_sizes[] = {
+ /* Small descriptors */
-#define ACPI_RLARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
-#define ACPI_RSMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_RS_SIZE(struct acpi_resource_irq),
+ ACPI_RS_SIZE(struct acpi_resource_dma),
+ ACPI_RS_SIZE(struct acpi_resource_start_dependent),
+ ACPI_RS_SIZE_MIN,
+ ACPI_RS_SIZE(struct acpi_resource_io),
+ ACPI_RS_SIZE(struct acpi_resource_fixed_io),
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_RS_SIZE(struct acpi_resource_vendor),
+ ACPI_RS_SIZE_MIN,
-/*
- * Base sizes of resource descriptors, both the AML stream resource length
- * (minus size of header and length fields),and the size of the internal
- * struct representation.
- */
-struct acpi_resource_info acpi_gbl_sm_resource_info[] = {
- {0, 0, 0},
- {0, 0, 0},
- {0, 0, 0},
- {0, 0, 0},
- {2, ACPI_RSMALL(struct aml_resource_irq),
- ACPI_RS_SIZE(struct acpi_resource_irq)},
- {0, ACPI_RSMALL(struct aml_resource_dma),
- ACPI_RS_SIZE(struct acpi_resource_dma)},
- {2, ACPI_RSMALL(struct aml_resource_start_dependent),
- ACPI_RS_SIZE(struct acpi_resource_start_dependent)},
- {0, ACPI_RSMALL(struct aml_resource_end_dependent), ACPI_RS_SIZE_MIN},
- {0, ACPI_RSMALL(struct aml_resource_io),
- ACPI_RS_SIZE(struct acpi_resource_io)},
- {0, ACPI_RSMALL(struct aml_resource_fixed_io),
- ACPI_RS_SIZE(struct acpi_resource_fixed_io)},
- {0, 0, 0},
- {0, 0, 0},
- {0, 0, 0},
- {0, 0, 0},
- {1, ACPI_RSMALL(struct aml_resource_vendor_small),
- ACPI_RS_SIZE(struct acpi_resource_vendor)},
- {0, ACPI_RSMALL(struct aml_resource_end_tag), ACPI_RS_SIZE_MIN}
-};
+ /* Large descriptors */
-struct acpi_resource_info acpi_gbl_lg_resource_info[] = {
- {0, 0, 0},
- {0, ACPI_RLARGE(struct aml_resource_memory24),
- ACPI_RS_SIZE(struct acpi_resource_memory24)},
- {0, ACPI_RLARGE(struct aml_resource_generic_register),
- ACPI_RS_SIZE(struct acpi_resource_generic_register)},
- {0, 0, 0},
- {1, ACPI_RLARGE(struct aml_resource_vendor_large),
- ACPI_RS_SIZE(struct acpi_resource_vendor)},
- {0, ACPI_RLARGE(struct aml_resource_memory32),
- ACPI_RS_SIZE(struct acpi_resource_memory32)},
- {0, ACPI_RLARGE(struct aml_resource_fixed_memory32),
- ACPI_RS_SIZE(struct acpi_resource_fixed_memory32)},
- {1, ACPI_RLARGE(struct aml_resource_address32),
- ACPI_RS_SIZE(struct acpi_resource_address32)},
- {1, ACPI_RLARGE(struct aml_resource_address16),
- ACPI_RS_SIZE(struct acpi_resource_address16)},
- {1, ACPI_RLARGE(struct aml_resource_extended_irq),
- ACPI_RS_SIZE(struct acpi_resource_extended_irq)},
- {1, ACPI_RLARGE(struct aml_resource_address64),
- ACPI_RS_SIZE(struct acpi_resource_address64)},
- {0, ACPI_RLARGE(struct aml_resource_extended_address64),
- ACPI_RS_SIZE(struct acpi_resource_extended_address64)}
+ 0,
+ ACPI_RS_SIZE(struct acpi_resource_memory24),
+ ACPI_RS_SIZE(struct acpi_resource_generic_register),
+ 0,
+ ACPI_RS_SIZE(struct acpi_resource_vendor),
+ ACPI_RS_SIZE(struct acpi_resource_memory32),
+ ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
+ ACPI_RS_SIZE(struct acpi_resource_address32),
+ ACPI_RS_SIZE(struct acpi_resource_address16),
+ ACPI_RS_SIZE(struct acpi_resource_extended_irq),
+ ACPI_RS_SIZE(struct acpi_resource_address64),
+ ACPI_RS_SIZE(struct acpi_resource_extended_address64)
};
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rslist")
-/* Local prototypes */
-static struct acpi_rsconvert_info *acpi_rs_get_conversion_info(u8
- resource_type);
-
-static acpi_status acpi_rs_validate_resource_length(union aml_resource *aml);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_validate_resource_length
- *
- * PARAMETERS: Aml - Pointer to the AML resource descriptor
- *
- * RETURN: Status - AE_OK if the resource length appears valid
- *
- * DESCRIPTION: Validate the resource_length. Fixed-length descriptors must
- * have the exact length; variable-length descriptors must be
- * at least as long as the minimum. Certain Small descriptors
- * can vary in size by at most one byte.
- *
- ******************************************************************************/
-
-static acpi_status acpi_rs_validate_resource_length(union aml_resource *aml)
-{
- struct acpi_resource_info *resource_info;
- u16 minimum_aml_resource_length;
- u16 resource_length;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Get the size and type info about this resource descriptor */
-
- resource_info =
- acpi_rs_get_resource_info(aml->small_header.descriptor_type);
- if (!resource_info) {
- return (AE_AML_INVALID_RESOURCE_TYPE);
- }
-
- resource_length = acpi_ut_get_resource_length(aml);
- minimum_aml_resource_length =
- resource_info->minimum_aml_resource_length;
-
- /* Validate based upon the type of resource, fixed length or variable */
-
- if (resource_info->length_type == ACPI_FIXED_LENGTH) {
- /* Fixed length resource, length must match exactly */
-
- if (resource_length != minimum_aml_resource_length) {
- return (AE_AML_BAD_RESOURCE_LENGTH);
- }
- } else if (resource_info->length_type == ACPI_VARIABLE_LENGTH) {
- /* Variable length resource, must be at least the minimum */
-
- if (resource_length < minimum_aml_resource_length) {
- return (AE_AML_BAD_RESOURCE_LENGTH);
- }
- } else {
- /* Small variable length resource, allowed to be (Min) or (Min-1) */
-
- if ((resource_length > minimum_aml_resource_length) ||
- (resource_length < (minimum_aml_resource_length - 1))) {
- return (AE_AML_BAD_RESOURCE_LENGTH);
- }
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_get_conversion_info
- *
- * PARAMETERS: resource_type - Byte 0 of a resource descriptor
- *
- * RETURN: Pointer to the resource conversion info table
- *
- * DESCRIPTION: Get the conversion table associated with this resource type
- *
- ******************************************************************************/
-
-static struct acpi_rsconvert_info *acpi_rs_get_conversion_info(u8 resource_type)
-{
- ACPI_FUNCTION_ENTRY();
-
- /* Determine if this is a small or large resource */
-
- if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
- /* Large Resource Type -- bits 6:0 contain the name */
-
- if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
- return (NULL);
- }
-
- return (acpi_gbl_lg_get_resource_dispatch[(resource_type &
- ACPI_RESOURCE_NAME_LARGE_MASK)]);
- } else {
- /* Small Resource Type -- bits 6:3 contain the name */
-
- return (acpi_gbl_sm_get_resource_dispatch[((resource_type &
- ACPI_RESOURCE_NAME_SMALL_MASK)
- >> 3)]);
- }
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_convert_aml_to_resources
*
- * PARAMETERS: aml_buffer - Pointer to the resource byte stream
- * aml_buffer_length - Length of aml_buffer
+ * PARAMETERS: Aml - Pointer to the resource byte stream
+ * aml_length - Length of Aml
* output_buffer - Pointer to the buffer that will
* contain the output structures
*
* linked list of resources in the caller's output buffer
*
******************************************************************************/
-
acpi_status
-acpi_rs_convert_aml_to_resources(u8 * aml_buffer,
- u32 aml_buffer_length, u8 * output_buffer)
+acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
{
- u8 *buffer = output_buffer;
+ struct acpi_resource *resource = (void *)output_buffer;
acpi_status status;
- acpi_size bytes_parsed = 0;
- struct acpi_resource *resource;
- acpi_rsdesc_size descriptor_length;
- struct acpi_rsconvert_info *info;
+ u8 resource_index;
+ u8 *end_aml;
ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
- /* Loop until end-of-buffer or an end_tag is found */
-
- while (bytes_parsed < aml_buffer_length) {
- /* Get the conversion table associated with this Descriptor Type */
-
- info = acpi_rs_get_conversion_info(*aml_buffer);
- if (!info) {
- /* No table indicates an invalid resource type */
+ end_aml = aml + aml_length;
- return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
- }
+ /* Loop until end-of-buffer or an end_tag is found */
- descriptor_length = acpi_ut_get_descriptor_length(aml_buffer);
+ while (aml < end_aml) {
+ /* Validate the Resource Type and Resource Length */
- /*
- * Perform limited validation of the resource length, based upon
- * what we know about the resource type
- */
- status =
- acpi_rs_validate_resource_length(ACPI_CAST_PTR
- (union aml_resource,
- aml_buffer));
+ status = acpi_ut_validate_resource(aml, &resource_index);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Convert the AML byte stream resource to a local resource struct */
status =
- acpi_rs_convert_aml_to_resource(ACPI_CAST_PTR
- (struct acpi_resource,
- buffer),
+ acpi_rs_convert_aml_to_resource(resource,
ACPI_CAST_PTR(union
aml_resource,
- aml_buffer),
- info);
+ aml),
+ acpi_gbl_get_resource_dispatch
+ [resource_index]);
if (ACPI_FAILURE(status)) {
- ACPI_REPORT_ERROR(("Could not convert AML resource (type %X) to resource, %s\n", *aml_buffer, acpi_format_exception(status)));
+ ACPI_REPORT_ERROR(("Could not convert AML resource (Type %X) to resource, %s\n", *aml, acpi_format_exception(status)));
return_ACPI_STATUS(status);
}
- /* Set the aligned length of the new resource descriptor */
-
- resource = ACPI_CAST_PTR(struct acpi_resource, buffer);
- resource->length =
- (u32) ACPI_ALIGN_RESOURCE_SIZE(resource->length);
-
/* Normal exit on completion of an end_tag resource descriptor */
- if (acpi_ut_get_resource_type(aml_buffer) ==
+ if (acpi_ut_get_resource_type(aml) ==
ACPI_RESOURCE_NAME_END_TAG) {
return_ACPI_STATUS(AE_OK);
}
- /* Update counter and point to the next input resource */
+ /* Point to the next input AML resource */
- bytes_parsed += descriptor_length;
- aml_buffer += descriptor_length;
+ aml += acpi_ut_get_descriptor_length(aml);
/* Point to the next structure in the output buffer */
- buffer += resource->length;
+ resource =
+ ACPI_PTR_ADD(struct acpi_resource, resource,
+ resource->length);
}
- /* Completed buffer, but did not find an end_tag resource descriptor */
+ /* Did not find an end_tag resource descriptor */
return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
acpi_size aml_size_needed, u8 * output_buffer)
{
- u8 *aml_buffer = output_buffer;
- u8 *end_aml_buffer = output_buffer + aml_size_needed;
+ u8 *aml = output_buffer;
+ u8 *end_aml = output_buffer + aml_size_needed;
acpi_status status;
ACPI_FUNCTION_TRACE("rs_convert_resources_to_aml");
/* Walk the resource descriptor list, convert each descriptor */
- while (aml_buffer < end_aml_buffer) {
- /* Validate the Resource Type */
+ while (aml < end_aml) {
+ /* Validate the (internal) Resource Type */
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
status = acpi_rs_convert_resource_to_aml(resource,
ACPI_CAST_PTR(union
aml_resource,
- aml_buffer),
+ aml),
acpi_gbl_set_resource_dispatch
[resource->type]);
if (ACPI_FAILURE(status)) {
/* Perform final sanity check on the new AML resource descriptor */
status =
- acpi_rs_validate_resource_length(ACPI_CAST_PTR
- (union aml_resource,
- aml_buffer));
+ acpi_ut_validate_resource(ACPI_CAST_PTR
+ (union aml_resource, aml), NULL);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Extract the total length of the new descriptor and set the
- * aml_buffer to point to the next (output) resource descriptor
+ * Aml to point to the next (output) resource descriptor
*/
- aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
+ aml += acpi_ut_get_descriptor_length(aml);
/* Point to the next input resource descriptor */
resource =
ACPI_PTR_ADD(struct acpi_resource, resource,
resource->length);
-
- /* Check for end-of-list, normal exit */
-
}
/* Completed buffer, but did not find an end_tag resource descriptor */
acpi_native_uint i;
u8 bit_count;
+ ACPI_FUNCTION_ENTRY();
+
/* Decode the mask bits */
for (i = 0, bit_count = 0; mask; i++) {
acpi_native_uint i;
u16 mask;
+ ACPI_FUNCTION_ENTRY();
+
/* Encode the list into a single bitmask */
for (i = 0, mask = 0; i < count; i++) {
{
acpi_native_uint i;
+ ACPI_FUNCTION_ENTRY();
+
/* One move per item */
for (i = 0; i < item_count; i++) {
}
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_get_resource_info
- *
- * PARAMETERS: resource_type - Byte 0 of a resource descriptor
- *
- * RETURN: Pointer to the resource conversion handler
- *
- * DESCRIPTION: Extract the Resource Type/Name from the first byte of
- * a resource descriptor.
- *
- ******************************************************************************/
-
-struct acpi_resource_info *acpi_rs_get_resource_info(u8 resource_type)
-{
- struct acpi_resource_info *size_info;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Determine if this is a small or large resource */
-
- if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
- /* Large Resource Type -- bits 6:0 contain the name */
-
- if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
- return (NULL);
- }
-
- size_info = &acpi_gbl_lg_resource_info[(resource_type &
- ACPI_RESOURCE_NAME_LARGE_MASK)];
- } else {
- /* Small Resource Type -- bits 6:3 contain the name */
-
- size_info = &acpi_gbl_sm_resource_info[((resource_type &
- ACPI_RESOURCE_NAME_SMALL_MASK)
- >> 3)];
- }
-
- /* Zero entry indicates an invalid resource type */
-
- if (!size_info->minimum_internal_struct_length) {
- return (NULL);
- }
-
- return (size_info);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_set_resource_length
ACPI_FUNCTION_ENTRY();
- /* Determine if this is a small or large resource */
+ /* Length is the total descriptor length minus the header length */
- if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
- /* Large Resource type -- bytes 1-2 contain the 16-bit length */
+ resource_length = (acpi_rs_length)
+ (total_length - acpi_ut_get_resource_header_length(aml));
- resource_length = (acpi_rs_length)
- (total_length - sizeof(struct aml_resource_large_header));
+ /* Length is stored differently for large and small descriptors */
- /* Insert length into the Large descriptor length field */
+ if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
+ /* Large descriptor -- bytes 1-2 contain the 16-bit length */
ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
&resource_length);
} else {
- /* Small Resource type -- bits 2:0 of byte 0 contain the length */
-
- resource_length = (acpi_rs_length)
- (total_length - sizeof(struct aml_resource_small_header));
-
- /* Insert length into the descriptor type byte */
+ /* Small descriptor -- bits 2:0 of byte 0 contain the length */
aml->small_header.descriptor_type = (u8)
{
ACPI_FUNCTION_ENTRY();
- /* Set the Descriptor Type */
+ /* Set the Resource Type */
aml->small_header.descriptor_type = descriptor_type;
(char *)&aml_resource_source[1]);
return ((acpi_rs_length) total_length);
- } else {
- /* resource_source is not present */
-
- resource_source->index = 0;
- resource_source->string_length = 0;
- resource_source->string_ptr = NULL;
- return (0);
}
+
+ /* resource_source is not present */
+
+ resource_source->index = 0;
+ resource_source->string_length = 0;
+ resource_source->string_ptr = NULL;
+ return (0);
}
/*******************************************************************************
# Makefile for all Linux ACPI interpreter subdirectories
#
-obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
- utcopy.o utdelete.o utglobal.o utmath.o utobject.o utstate.o utmutex.o utobject.o utcache.o
+obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
+ utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
+ utstate.o utmutex.o utobject.o utcache.o utresrc.o
EXTRA_CFLAGS += $(ACPI_CFLAGS)
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
-#include <acpi/amlresrc.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmisc")
return ((u8) (0 - sum));
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_resource_type
- *
- * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
- *
- * RETURN: The Resource Type with no extraneous bits (except the
- * Large/Small descriptor bit -- this is left alone)
- *
- * DESCRIPTION: Extract the Resource Type/Name from the first byte of
- * a resource descriptor.
- *
- ******************************************************************************/
-
-u8 acpi_ut_get_resource_type(void *aml)
-{
- ACPI_FUNCTION_ENTRY();
-
- /*
- * Byte 0 contains the descriptor name (Resource Type)
- * Determine if this is a small or large resource
- */
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
- /* Large Resource Type -- bits 6:0 contain the name */
-
- return (*((u8 *) aml));
- } else {
- /* Small Resource Type -- bits 6:3 contain the name */
-
- return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_resource_length
- *
- * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
- *
- * RETURN: Byte Length
- *
- * DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By
- * definition, this does not include the size of the descriptor
- * header or the length field itself.
- *
- ******************************************************************************/
-
-u16 acpi_ut_get_resource_length(void *aml)
-{
- u16 resource_length;
-
- ACPI_FUNCTION_ENTRY();
-
- /*
- * Byte 0 contains the descriptor name (Resource Type)
- * Determine if this is a small or large resource
- */
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
- /* Large Resource type -- bytes 1-2 contain the 16-bit length */
-
- ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]);
-
- } else {
- /* Small Resource type -- bits 2:0 of byte 0 contain the length */
-
- resource_length = (u16) (*((u8 *) aml) &
- ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
- }
-
- return (resource_length);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_descriptor_length
- *
- * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
- *
- * RETURN: Byte length
- *
- * DESCRIPTION: Get the total byte length of a raw AML descriptor, including the
- * length of the descriptor header and the length field itself.
- * Used to walk descriptor lists.
- *
- ******************************************************************************/
-
-u32 acpi_ut_get_descriptor_length(void *aml)
-{
- u32 descriptor_length;
-
- ACPI_FUNCTION_ENTRY();
-
- /* First get the Resource Length (Does not include header length) */
-
- descriptor_length = acpi_ut_get_resource_length(aml);
-
- /* Determine if this is a small or large resource */
-
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
- descriptor_length += sizeof(struct aml_resource_large_header);
- } else {
- descriptor_length += sizeof(struct aml_resource_small_header);
- }
-
- return (descriptor_length);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_get_resource_end_tag
- *
- * PARAMETERS: obj_desc - The resource template buffer object
- *
- * RETURN: Pointer to the end tag
- *
- * DESCRIPTION: Find the END_TAG resource descriptor in an AML resource template
- *
- ******************************************************************************/
-
-u8 *acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc)
-{
- u8 *aml;
- u8 *end_aml;
-
- aml = obj_desc->buffer.pointer;
- end_aml = aml + obj_desc->buffer.length;
-
- /* Walk the resource template, one descriptor per loop */
-
- while (aml < end_aml) {
- if (acpi_ut_get_resource_type(aml) ==
- ACPI_RESOURCE_NAME_END_TAG) {
- /* Found the end_tag descriptor, all done */
-
- return (aml);
- }
-
- /* Point to the next resource descriptor */
-
- aml += acpi_ut_get_resource_length(aml);
- }
-
- /* End tag was not found */
-
- return (NULL);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_report_error
--- /dev/null
+/*******************************************************************************
+ *
+ * Module Name: utresrc - Resource managment utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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 <acpi/amlresrc.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utmisc")
+
+/*
+ * Base sizes of the raw AML resource descriptors, indexed by resource type.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+const u8 acpi_gbl_resource_aml_sizes[] = {
+ /* Small descriptors */
+
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_AML_SIZE_SMALL(struct aml_resource_irq),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_dma),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_start_dependent),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_end_dependent),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_io),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_fixed_io),
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_AML_SIZE_SMALL(struct aml_resource_vendor_small),
+ ACPI_AML_SIZE_SMALL(struct aml_resource_end_tag),
+
+ /* Large descriptors */
+
+ 0,
+ ACPI_AML_SIZE_LARGE(struct aml_resource_memory24),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_generic_register),
+ 0,
+ ACPI_AML_SIZE_LARGE(struct aml_resource_vendor_large),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_memory32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_fixed_memory32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address32),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address16),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_extended_irq),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_address64),
+ ACPI_AML_SIZE_LARGE(struct aml_resource_extended_address64)
+};
+
+/*
+ * Resource types, used to validate the resource length field.
+ * The length of fixed-length types must match exactly, variable
+ * lengths must meet the minimum required length, etc.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+static const u8 acpi_gbl_resource_types[] = {
+ /* Small descriptors */
+
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_SMALL_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_SMALL_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ 0,
+ 0,
+ 0,
+ 0,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+
+ /* Large descriptors */
+
+ 0,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ 0,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_FIXED_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_VARIABLE_LENGTH,
+ ACPI_FIXED_LENGTH
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_validate_resource
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ * return_index - Where the resource index is returned. NULL
+ * if the index is not required.
+ *
+ * RETURN: Status, and optionally the Index into the global resource tables
+ *
+ * DESCRIPTION: Validate an AML resource descriptor by checking the Resource
+ * Type and Resource Length. Returns an index into the global
+ * resource information/dispatch tables for later use.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
+{
+ u8 resource_type;
+ u8 resource_index;
+ acpi_rs_length resource_length;
+ acpi_rs_length minimum_resource_length;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * 1) Validate the resource_type field (Byte 0)
+ */
+ resource_type = *((u8 *) aml);
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
+ /* Verify the large resource type (name) against the max */
+
+ if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /*
+ * Large Resource Type -- bits 6:0 contain the name
+ * Translate range 0x80-0x8B to index range 0x10-0x1B
+ */
+ resource_index = (u8) (resource_type - 0x70);
+ } else {
+ /*
+ * Small Resource Type -- bits 6:3 contain the name
+ * Shift range to index range 0x00-0x0F
+ */
+ resource_index = (u8)
+ ((resource_type & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3);
+ }
+
+ /* Check validity of the resource type, zero indicates name is invalid */
+
+ if (!acpi_gbl_resource_types[resource_index]) {
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /*
+ * 2) Validate the resource_length field. This ensures that the length
+ * is at least reasonable, and guarantees that it is non-zero.
+ */
+ resource_length = acpi_ut_get_resource_length(aml);
+ minimum_resource_length = acpi_gbl_resource_aml_sizes[resource_index];
+
+ /* Validate based upon the type of resource - fixed length or variable */
+
+ switch (acpi_gbl_resource_types[resource_index]) {
+ case ACPI_FIXED_LENGTH:
+
+ /* Fixed length resource, length must match exactly */
+
+ if (resource_length != minimum_resource_length) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ case ACPI_VARIABLE_LENGTH:
+
+ /* Variable length resource, length must be at least the minimum */
+
+ if (resource_length < minimum_resource_length) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ case ACPI_SMALL_VARIABLE_LENGTH:
+
+ /* Small variable length resource, length can be (Min) or (Min-1) */
+
+ if ((resource_length > minimum_resource_length) ||
+ (resource_length < (minimum_resource_length - 1))) {
+ return (AE_AML_BAD_RESOURCE_LENGTH);
+ }
+ break;
+
+ default:
+
+ /* Shouldn't happen (because of validation earlier), but be sure */
+
+ return (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+
+ /* Optionally return the resource table index */
+
+ if (return_index) {
+ *return_index = resource_index;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_type
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: The Resource Type with no extraneous bits (except the
+ * Large/Small descriptor bit -- this is left alone)
+ *
+ * DESCRIPTION: Extract the Resource Type/Name from the first byte of
+ * a resource descriptor.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_get_resource_type(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ /* Large Resource Type -- bits 6:0 contain the name */
+
+ return (*((u8 *) aml));
+ } else {
+ /* Small Resource Type -- bits 6:3 contain the name */
+
+ return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Byte Length
+ *
+ * DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By
+ * definition, this does not include the size of the descriptor
+ * header or the length field itself.
+ *
+ ******************************************************************************/
+
+u16 acpi_ut_get_resource_length(void *aml)
+{
+ acpi_rs_length resource_length;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Byte 0 contains the descriptor name (Resource Type)
+ * Examine the large/small bit in the resource header
+ */
+ if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ /* Large Resource type -- bytes 1-2 contain the 16-bit length */
+
+ ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]);
+
+ } else {
+ /* Small Resource type -- bits 2:0 of byte 0 contain the length */
+
+ resource_length = (u16) (*((u8 *) aml) &
+ ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
+ }
+
+ return (resource_length);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_header_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Length of the AML header (depends on large/small descriptor)
+ *
+ * DESCRIPTION: Get the length of the header for this resource.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_get_resource_header_length(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /* Examine the large/small bit in the resource header */
+
+ if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ return (sizeof(struct aml_resource_large_header));
+ } else {
+ return (sizeof(struct aml_resource_small_header));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_descriptor_length
+ *
+ * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
+ *
+ * RETURN: Byte length
+ *
+ * DESCRIPTION: Get the total byte length of a raw AML descriptor, including the
+ * length of the descriptor header and the length field itself.
+ * Used to walk descriptor lists.
+ *
+ ******************************************************************************/
+
+u32 acpi_ut_get_descriptor_length(void *aml)
+{
+ ACPI_FUNCTION_ENTRY();
+
+ /*
+ * Get the Resource Length (does not include header length) and add
+ * the header length (depends on if this is a small or large resource)
+ */
+ return (acpi_ut_get_resource_length(aml) +
+ acpi_ut_get_resource_header_length(aml));
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_get_resource_end_tag
+ *
+ * PARAMETERS: obj_desc - The resource template buffer object
+ *
+ * RETURN: Pointer to the end tag
+ *
+ * DESCRIPTION: Find the end_tag resource descriptor in an AML resource template
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
+ u8 ** end_tag)
+{
+ acpi_status status;
+ u8 *aml;
+ u8 *end_aml;
+
+ ACPI_FUNCTION_TRACE("ut_get_resource_end_tag");
+
+ /* Get start and end pointers */
+
+ aml = obj_desc->buffer.pointer;
+ end_aml = aml + obj_desc->buffer.length;
+
+ /* Walk the resource template, one descriptor per iteration */
+
+ while (aml < end_aml) {
+ /* Validate the Resource Type and Resource Length */
+
+ status = acpi_ut_validate_resource(aml, NULL);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* end_tag resource indicates the end of the resource template */
+
+ if (acpi_ut_get_resource_type(aml) ==
+ ACPI_RESOURCE_NAME_END_TAG) {
+ /* Return the pointer to the end_tag */
+
+ *end_tag = aml;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Point to the next resource descriptor in the AML buffer. The
+ * descriptor length is guaranteed to be non-zero by resource
+ * validation above.
+ */
+ aml += acpi_ut_get_descriptor_length(aml);
+ }
+
+ /* Did not find an end_tag resource descriptor */
+
+ return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
+}
acpi_ut_create_pkg_state_and_push(void *internal_object,
void *external_object,
u16 index,
- union acpi_generic_state ** state_list)
+ union acpi_generic_state **state_list)
{
union acpi_generic_state *state;
/*
* Initialize ACPI Event handling (Fixed and General Purpose)
*
- * NOTE: We must have the hardware AND events initialized before we can
- * execute ANY control methods SAFELY. Any control method can require
- * ACPI hardware support, so the hardware MUST be initialized before
- * execution!
+ * Note1: We must have the hardware and events initialized before we can
+ * execute any control methods safely. Any control method can require
+ * ACPI hardware support, so the hardware must be fully initialized before
+ * any method execution!
+ *
+ * Note2: Fixed events are initialized and enabled here. GPEs are
+ * initialized, but cannot be enabled until after the hardware is
+ * completely initialized (SCI and global_lock activated)
*/
if (!(flags & ACPI_NO_EVENT_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
}
}
- /* Install the SCI handler and Global Lock handler */
-
+ /*
+ * Install the SCI handler and Global Lock handler. This completes the
+ * hardware initialization.
+ */
if (!(flags & ACPI_NO_HANDLER_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"[Init] Installing SCI/GL handlers\n"));
}
}
+ /*
+ * Complete the GPE initialization for the GPE blocks defined in the FADT
+ * (GPE block 0 and 1).
+ *
+ * Note1: This is where the _PRW methods are executed for the GPEs. These
+ * methods can only be executed after the SCI and Global Lock handlers are
+ * installed and initialized.
+ *
+ * Note2: Currently, there seems to be no need to run the _REG methods
+ * before execution of the _PRW methods and enabling of the GPEs.
+ */
+ if (!(flags & ACPI_NO_EVENT_INIT)) {
+ status = acpi_ev_install_fadt_gpes();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
return_ACPI_STATUS(status);
}
/*
* Run all _REG methods
*
- * NOTE: Any objects accessed
- * by the _REG methods will be automatically initialized, even if they
- * contain executable AML (see call to acpi_ns_initialize_objects below).
+ * Note: Any objects accessed by the _REG methods will be automatically
+ * initialized, even if they contain executable AML (see the call to
+ * acpi_ns_initialize_objects below).
*/
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
}
/*
- * Initialize the objects that remain uninitialized. This
- * runs the executable AML that may be part of the declaration of these
- * objects: operation_regions, buffer_fields, Buffers, and Packages.
+ * Initialize the objects that remain uninitialized. This runs the
+ * executable AML that may be part of the declaration of these objects:
+ * operation_regions, buffer_fields, Buffers, and Packages.
*/
if (!(flags & ACPI_NO_OBJECT_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
}
/*
- * Initialize all device objects in the namespace
- * This runs the _STA and _INI methods.
+ * Initialize all device objects in the namespace. This runs the device
+ * _STA and _INI methods.
*/
if (!(flags & ACPI_NO_DEVICE_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20051021
+#define ACPI_CA_VERSION 0x20051102
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
acpi_status acpi_ev_install_xrupt_handlers(void);
+acpi_status acpi_ev_install_fadt_gpes(void);
+
u32 acpi_ev_fixed_event_detect(void);
/*
u32 interrupt_number,
struct acpi_gpe_block_info **return_gpe_block);
+acpi_status
+acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
+ struct acpi_gpe_block_info *gpe_block);
+
acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block);
u32
#ifndef __ACINTERP_H__
#define __ACINTERP_H__
-#define ACPI_WALK_OPERANDS (&(walk_state->operands [walk_state->num_operands -1]))
+#define ACPI_WALK_OPERANDS (&(walk_state->operands [walk_state->num_operands -1]))
+
+/* Macros for tables used for debug output */
+
+#define ACPI_EXD_OFFSET(f) (u8) ACPI_OFFSET (union acpi_operand_object,f)
+#define ACPI_EXD_NSOFFSET(f) (u8) ACPI_OFFSET (struct acpi_namespace_node,f)
+#define ACPI_EXD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_exdump_info))
+
+/*
+ * If possible, pack the following structure to byte alignment, since we
+ * don't care about performance for debug output
+ */
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#pragma pack(1)
+#endif
+
+typedef const struct acpi_exdump_info {
+ u8 opcode;
+ u8 offset;
+ char *name;
+
+} acpi_exdump_info;
+
+/* Values for the Opcode field above */
+
+#define ACPI_EXD_INIT 0
+#define ACPI_EXD_TYPE 1
+#define ACPI_EXD_UINT8 2
+#define ACPI_EXD_UINT16 3
+#define ACPI_EXD_UINT32 4
+#define ACPI_EXD_UINT64 5
+#define ACPI_EXD_LITERAL 6
+#define ACPI_EXD_POINTER 7
+#define ACPI_EXD_ADDRESS 8
+#define ACPI_EXD_STRING 9
+#define ACPI_EXD_BUFFER 10
+#define ACPI_EXD_PACKAGE 11
+#define ACPI_EXD_FIELD 12
+#define ACPI_EXD_REFERENCE 13
+
+/* restore default alignment */
+
+#pragma pack()
/*
* exconvrt - object conversion
void
acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
-void acpi_ex_dump_node(struct acpi_namespace_node *node, u32 flags);
+void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
#endif /* ACPI_FUTURE_USAGE */
/*
#define ACPI_RS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_resource,f)
#define AML_OFFSET(f) (u8) ACPI_OFFSET (union aml_resource,f)
-/*
- * Resource dispatch and info tables
- */
-typedef const struct acpi_resource_info {
- u8 length_type;
- u8 minimum_aml_resource_length;
- u8 minimum_internal_struct_length;
-
-} acpi_resource_info;
-
-/* Types for length_type above */
-
-#define ACPI_FIXED_LENGTH 0
-#define ACPI_VARIABLE_LENGTH 1
-#define ACPI_SMALL_VARIABLE_LENGTH 2
-
typedef const struct acpi_rsdump_info {
u8 opcode;
u8 offset;
char *name;
- const void *pointer;
+ const char **pointer;
} acpi_rsdump_info;
/* Resource tables indexed by raw AML resource descriptor type */
-extern struct acpi_resource_info acpi_gbl_sm_resource_info[];
-extern struct acpi_resource_info acpi_gbl_lg_resource_info[];
-extern struct acpi_rsconvert_info *acpi_gbl_sm_get_resource_dispatch[];
-extern struct acpi_rsconvert_info *acpi_gbl_lg_get_resource_dispatch[];
+extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
+
+extern const u8 acpi_gbl_resource_struct_sizes[];
/*
* rscreate
acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
union aml_resource *aml);
-struct acpi_resource_info *acpi_rs_get_resource_info(u8 resource_type);
-
/*
* rsdump
*/
#ifndef _ACUTILS_H
#define _ACUTILS_H
+extern const u8 acpi_gbl_resource_aml_sizes[];
+
+/* Types for Resource descriptor entries */
+
+#define ACPI_INVALID_RESOURCE 0
+#define ACPI_FIXED_LENGTH 1
+#define ACPI_VARIABLE_LENGTH 2
+#define ACPI_SMALL_VARIABLE_LENGTH 3
+
typedef
acpi_status(*acpi_pkg_callback) (u8 object_type,
union acpi_operand_object * source_object,
#define ACPI_ANY_BASE 0
+acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
+
u32 acpi_ut_get_descriptor_length(void *aml);
u16 acpi_ut_get_resource_length(void *aml);
+u8 acpi_ut_get_resource_header_length(void *aml);
+
u8 acpi_ut_get_resource_type(void *aml);
-u8 *acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc);
+acpi_status
+acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
+ u8 ** end_tag);
u8 acpi_ut_generate_checksum(u8 * buffer, u32 length);
struct asl_resource_node *next;
};
+/* Macros used to generate AML resource length fields */
+
+#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
+#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
+
/*
* Resource descriptors defined in the ACPI specification.
*
git.samba.org / sfrench / cifs-2.6.git / commitdiff