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@@ -58,12 +58,20 @@ acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags);
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static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource);
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+static void
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+acpi_rs_set_address_common(union aml_resource *aml,
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+ struct acpi_resource *resource);
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+
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+static u8
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+acpi_rs_get_address_common(struct acpi_resource *resource,
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+ union aml_resource *aml);
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+
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_decode_general_flags
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*
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* PARAMETERS: Resource - Address resource data struct
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- * Flags - Actual flag byte
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+ * Flags - Raw AML flag byte
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*
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* RETURN: Decoded flag bits in resource struct
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*
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@@ -107,27 +115,19 @@ acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags)
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static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource)
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{
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- u8 flags;
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-
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ACPI_FUNCTION_ENTRY();
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- /* Producer / Consumer - flag bit[0] */
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-
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- flags = (u8) (resource->address.producer_consumer & 0x01);
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-
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- /* Decode (_DEC) - flag bit[1] */
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-
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- flags |= (u8) ((resource->address.decode & 0x01) << 1);
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-
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- /* Min Address Fixed (_MIF) - flag bit[2] */
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-
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- flags |= (u8) ((resource->address.min_address_fixed & 0x01) << 2);
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-
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- /* Max Address Fixed (_MAF) - flag bit[3] */
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-
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- flags |= (u8) ((resource->address.max_address_fixed & 0x01) << 3);
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-
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- return (flags);
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+ return ((u8)
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+
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+ /* Producer / Consumer - flag bit[0] */
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+ ((resource->address.producer_consumer & 0x01) |
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+ /* Decode (_DEC) - flag bit[1] */
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+ ((resource->address.decode & 0x01) << 1) |
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+ /* Min Address Fixed (_MIF) - flag bit[2] */
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+ ((resource->address.min_address_fixed & 0x01) << 2) |
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+ /* Max Address Fixed (_MAF) - flag bit[3] */
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+ ((resource->address.max_address_fixed & 0x01) << 3))
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+ );
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}
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/*******************************************************************************
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@@ -135,7 +135,7 @@ static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource)
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* FUNCTION: acpi_rs_decode_specific_flags
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*
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* PARAMETERS: Resource - Address resource data struct
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- * Flags - Actual flag byte
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+ * Flags - Raw AML flag byte
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*
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* RETURN: Decoded flag bits in attribute struct
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*
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@@ -189,921 +189,541 @@ acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags)
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static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource)
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{
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- u8 flags = 0;
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-
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ACPI_FUNCTION_ENTRY();
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if (resource->address.resource_type == ACPI_MEMORY_RANGE) {
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- /* Write Status (_RW) - flag bit[0] */
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-
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- flags = (u8)
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- (resource->address.attribute.memory.
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- read_write_attribute & 0x01);
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-
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- /* Memory Attributes (_MEM) - flag bits[2:1] */
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-
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- flags |= (u8)
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- ((resource->address.attribute.memory.
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- cache_attribute & 0x03) << 1);
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+ return ((u8)
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+
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+ /* Write Status (_RW) - flag bit[0] */
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+ ((resource->address.attribute.memory.
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+ read_write_attribute & 0x01) |
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+ /* Memory Attributes (_MEM) - flag bits[2:1] */
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+ ((resource->address.attribute.memory.
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+ cache_attribute & 0x03) << 1)));
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} else if (resource->address.resource_type == ACPI_IO_RANGE) {
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- /* Ranges (_RNG) - flag bits[1:0] */
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-
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- flags = (u8)
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- (resource->address.attribute.io.range_attribute & 0x03);
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-
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- /* Translations (_TTP and _TRS) - flag bits[5:4] */
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-
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- flags |= (u8)
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- ((resource->address.attribute.io.
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- translation_attribute & 0x03) << 4);
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+ return ((u8)
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+
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+ /* Ranges (_RNG) - flag bits[1:0] */
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+ ((resource->address.attribute.io.
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+ range_attribute & 0x03) |
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+ /* Translations (_TTP and _TRS) - flag bits[5:4] */
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+ ((resource->address.attribute.io.
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+ translation_attribute & 0x03) << 4)));
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}
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- return (flags);
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+ return (0);
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}
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/*******************************************************************************
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*
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- * FUNCTION: acpi_rs_address16_resource
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+ * FUNCTION: acpi_rs_set_address_common
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*
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- * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
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- * stream
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- * bytes_consumed - Pointer to where the number of bytes
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- * consumed the byte_stream_buffer is
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- * returned
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- * output_buffer - Pointer to the return data buffer
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- * structure_size - Pointer to where the number of bytes
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- * in the return data struct is returned
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+ * PARAMETERS: Aml - Pointer to the AML resource descriptor
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+ * Resource - Pointer to the internal resource struct
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*
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- * RETURN: Status
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+ * RETURN: None
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*
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- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
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- * structure pointed to by the output_buffer. Return the
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- * number of bytes consumed from the byte stream.
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+ * DESCRIPTION: Convert common flag fields from a resource descriptor to an
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+ * AML descriptor
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*
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******************************************************************************/
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-acpi_status
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-acpi_rs_address16_resource(u8 * byte_stream_buffer,
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- acpi_size * bytes_consumed,
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- u8 ** output_buffer, acpi_size * structure_size)
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+static void
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+acpi_rs_set_address_common(union aml_resource *aml,
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+ struct acpi_resource *resource)
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{
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- u32 index;
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- u16 temp16;
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- u8 temp8;
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- u8 *temp_ptr;
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- u8 *buffer = byte_stream_buffer;
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- struct acpi_resource *output_struct = (void *)*output_buffer;
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- acpi_size struct_size =
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- ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16);
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+ ACPI_FUNCTION_ENTRY();
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- ACPI_FUNCTION_TRACE("rs_address16_resource");
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+ /* Set the Resource Type (Memory, Io, bus_number, etc.) */
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- /* Get the Descriptor Length field */
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+ aml->address.resource_type = (u8) resource->data.address.resource_type;
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- buffer += 1;
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- ACPI_MOVE_16_TO_16(&temp16, buffer);
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+ /* Set the general flags */
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- /* Validate minimum descriptor length */
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+ aml->address.flags = acpi_rs_encode_general_flags(&resource->data);
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- if (temp16 < 13) {
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- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
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- }
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+ /* Set the type-specific flags */
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- *bytes_consumed = temp16 + 3;
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- output_struct->type = ACPI_RSTYPE_ADDRESS16;
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+ aml->address.specific_flags =
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+ acpi_rs_encode_specific_flags(&resource->data);
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+}
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- /* Get the Resource Type (Byte3) */
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+/*******************************************************************************
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+ *
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+ * FUNCTION: acpi_rs_get_address_common
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+ *
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+ * PARAMETERS: Resource - Pointer to the internal resource struct
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+ * Aml - Pointer to the AML resource descriptor
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+ *
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+ * RETURN: TRUE if the resource_type field is OK, FALSE otherwise
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+ *
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+ * DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
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+ * to an internal resource descriptor
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+ *
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+ ******************************************************************************/
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- buffer += 2;
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- temp8 = *buffer;
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+static u8
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+acpi_rs_get_address_common(struct acpi_resource *resource,
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+ union aml_resource *aml)
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+{
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+ ACPI_FUNCTION_ENTRY();
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- /* Values 0-2 and 0xC0-0xFF are valid */
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+ /* Validate resource type */
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- if ((temp8 > 2) && (temp8 < 0xC0)) {
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- return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
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+ if ((aml->address.resource_type > 2)
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+ && (aml->address.resource_type < 0xC0)) {
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+ return (FALSE);
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}
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- output_struct->data.address16.resource_type = temp8;
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-
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- /* Get the General Flags (Byte4) */
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-
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- buffer += 1;
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- acpi_rs_decode_general_flags(&output_struct->data, *buffer);
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-
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- /* Get the Type Specific Flags (Byte5) */
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-
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- buffer += 1;
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- acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
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-
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- /* Get Granularity (Bytes 6-7) */
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-
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- buffer += 1;
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- ACPI_MOVE_16_TO_32(&output_struct->data.address16.granularity, buffer);
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+ /* Get the Resource Type (Memory, Io, bus_number, etc.) */
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- /* Get min_address_range (Bytes 8-9) */
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+ resource->data.address.resource_type = aml->address.resource_type;
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- buffer += 2;
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- ACPI_MOVE_16_TO_32(&output_struct->data.address16.min_address_range,
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- buffer);
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+ /* Get the General Flags */
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- /* Get max_address_range (Bytes 10-11) */
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+ acpi_rs_decode_general_flags(&resource->data, aml->address.flags);
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- buffer += 2;
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- ACPI_MOVE_16_TO_32(&output_struct->data.address16.max_address_range,
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- buffer);
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+ /* Get the Type-Specific Flags */
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- /* Get address_translation_offset (Bytes 12-13) */
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-
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- buffer += 2;
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- ACPI_MOVE_16_TO_32(&output_struct->data.address16.
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- address_translation_offset, buffer);
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+ acpi_rs_decode_specific_flags(&resource->data,
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+ aml->address.specific_flags);
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+ return (TRUE);
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+}
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- /* Get address_length (Bytes 14-15) */
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+/*******************************************************************************
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+ *
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+ * FUNCTION: acpi_rs_get_address16
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+ *
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+ * PARAMETERS: Aml - Pointer to the AML resource descriptor
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+ * aml_resource_length - Length of the resource from the AML header
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+ * Resource - Where the internal resource is returned
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+ *
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+ * RETURN: Status
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+ *
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+ * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
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+ * internal resource descriptor, simplifying bitflags and handling
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+ * alignment and endian issues if necessary.
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+ *
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+ ******************************************************************************/
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- buffer += 2;
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- ACPI_MOVE_16_TO_32(&output_struct->data.address16.address_length,
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- buffer);
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+acpi_status
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+acpi_rs_get_address16(union aml_resource * aml,
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+ u16 aml_resource_length, struct acpi_resource * resource)
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+{
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+ ACPI_FUNCTION_TRACE("rs_get_address16");
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- /* Resource Source Index (if present) */
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+ /* Get the Resource Type, general flags, and type-specific flags */
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- buffer += 2;
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+ if (!acpi_rs_get_address_common(resource, aml)) {
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+ return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
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+ }
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/*
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- * This will leave us pointing to the Resource Source Index
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- * If it is present, then save it off and calculate the
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- * pointer to where the null terminated string goes:
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- * Each Interrupt takes 32-bits + the 5 bytes of the
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- * stream that are default.
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- *
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- * Note: Some resource descriptors will have an additional null, so
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- * we add 1 to the length.
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+ * Get the following contiguous fields from the AML descriptor:
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+ * Address Granularity
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+ * Address Range Minimum
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+ * Address Range Maximum
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+ * Address Translation Offset
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+ * Address Length
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*/
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- if (*bytes_consumed > (16 + 1)) {
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- /* Dereference the Index */
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-
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- output_struct->data.address16.resource_source.index =
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- (u32) * buffer;
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-
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- /* Point to the String */
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+ acpi_rs_move_data(&resource->data.address16.granularity,
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+ &aml->address16.granularity, 5,
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+ ACPI_MOVE_TYPE_16_TO_32);
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- buffer += 1;
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+ /* Get the optional resource_source (index and string) */
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- /* Point the String pointer to the end of this structure */
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+ resource->length =
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+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address16) +
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+ acpi_rs_get_resource_source(aml_resource_length,
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+ sizeof(struct aml_resource_address16),
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+ &resource->data.address16.
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+ resource_source, aml, NULL);
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- output_struct->data.address16.resource_source.string_ptr =
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- (char *)((u8 *) output_struct + struct_size);
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+ /* Complete the resource header */
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- temp_ptr = (u8 *)
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- output_struct->data.address16.resource_source.string_ptr;
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-
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- /* Copy the resource_source string into the buffer */
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-
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- index = 0;
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- while (*buffer) {
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- *temp_ptr = *buffer;
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-
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- temp_ptr++;
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- buffer++;
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- index++;
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- }
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-
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- /* Add the terminating null and set the string length */
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-
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- *temp_ptr = 0;
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- output_struct->data.address16.resource_source.string_length =
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- index + 1;
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-
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- /*
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- * In order for the struct_size to fall on a 32-bit boundary,
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- * calculate the length of the string and expand the
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- * struct_size to the next 32-bit boundary.
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- */
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- temp8 = (u8) (index + 1);
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- struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
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- } else {
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- output_struct->data.address16.resource_source.index = 0;
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- output_struct->data.address16.resource_source.string_length = 0;
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- output_struct->data.address16.resource_source.string_ptr = NULL;
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- }
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-
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- /* Set the Length parameter */
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-
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- output_struct->length = (u32) struct_size;
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-
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- /* Return the final size of the structure */
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-
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- *structure_size = struct_size;
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+ resource->type = ACPI_RESOURCE_TYPE_ADDRESS16;
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return_ACPI_STATUS(AE_OK);
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}
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/*******************************************************************************
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*
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- * FUNCTION: acpi_rs_address16_stream
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+ * FUNCTION: acpi_rs_set_address16
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*
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- * PARAMETERS: Resource - Pointer to the resource linked list
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- * output_buffer - Pointer to the user's return buffer
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- * bytes_consumed - Pointer to where the number of bytes
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- * used in the output_buffer is returned
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+ * PARAMETERS: Resource - Pointer to the resource descriptor
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+ * Aml - Where the AML descriptor is returned
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*
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* RETURN: Status
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*
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- * DESCRIPTION: Take the linked list resource structure and fills in the
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- * the appropriate bytes in a byte stream
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+ * DESCRIPTION: Convert an internal resource descriptor to the corresponding
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+ * external AML resource descriptor.
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*
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******************************************************************************/
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acpi_status
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-acpi_rs_address16_stream(struct acpi_resource *resource,
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- u8 ** output_buffer, acpi_size * bytes_consumed)
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+acpi_rs_set_address16(struct acpi_resource *resource, union aml_resource *aml)
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{
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- u8 *buffer = *output_buffer;
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|
|
- u8 *length_field;
|
|
|
- acpi_size actual_bytes;
|
|
|
-
|
|
|
- ACPI_FUNCTION_TRACE("rs_address16_stream");
|
|
|
-
|
|
|
- /* Set the Descriptor Type field */
|
|
|
+ acpi_size descriptor_length;
|
|
|
|
|
|
- *buffer = ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE;
|
|
|
- buffer += 1;
|
|
|
+ ACPI_FUNCTION_TRACE("rs_set_address16");
|
|
|
|
|
|
- /* Save a pointer to the Length field - to be filled in later */
|
|
|
+ /* Set the Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
|
|
- length_field = buffer;
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the Resource Type (Memory, Io, bus_number) */
|
|
|
-
|
|
|
- *buffer = (u8) (resource->data.address16.resource_type & 0x03);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the general flags */
|
|
|
+ acpi_rs_set_address_common(aml, resource);
|
|
|
|
|
|
- *buffer = acpi_rs_encode_general_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the type specific flags */
|
|
|
-
|
|
|
- *buffer = acpi_rs_encode_specific_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the address space granularity */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_16(buffer, &resource->data.address16.granularity);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the address range minimum */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_16(buffer, &resource->data.address16.min_address_range);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the address range maximum */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_16(buffer, &resource->data.address16.max_address_range);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the address translation offset */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_16(buffer,
|
|
|
- &resource->data.address16.
|
|
|
- address_translation_offset);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the address length */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_16(buffer, &resource->data.address16.address_length);
|
|
|
- buffer += 2;
|
|
|
+ /*
|
|
|
+ * Set the following contiguous fields in the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ */
|
|
|
+ acpi_rs_move_data(&aml->address16.granularity,
|
|
|
+ &resource->data.address16.granularity, 5,
|
|
|
+ ACPI_MOVE_TYPE_32_TO_16);
|
|
|
|
|
|
/* Resource Source Index and Resource Source are optional */
|
|
|
|
|
|
- if (resource->data.address16.resource_source.string_length) {
|
|
|
- *buffer = (u8) resource->data.address16.resource_source.index;
|
|
|
- buffer += 1;
|
|
|
+ descriptor_length = acpi_rs_set_resource_source(aml,
|
|
|
+ sizeof(struct
|
|
|
+ aml_resource_address16),
|
|
|
+ &resource->data.
|
|
|
+ address16.
|
|
|
+ resource_source);
|
|
|
|
|
|
- /* Copy the resource_source string */
|
|
|
+ /* Complete the AML descriptor header */
|
|
|
|
|
|
- ACPI_STRCPY((char *)buffer,
|
|
|
- resource->data.address16.resource_source.
|
|
|
- string_ptr);
|
|
|
-
|
|
|
- /*
|
|
|
- * Buffer needs to be set to the length of the string + one for the
|
|
|
- * terminating null
|
|
|
- */
|
|
|
- buffer +=
|
|
|
- (acpi_size) (ACPI_STRLEN
|
|
|
- (resource->data.address16.resource_source.
|
|
|
- string_ptr) + 1);
|
|
|
- }
|
|
|
-
|
|
|
- /* Return the number of bytes consumed in this operation */
|
|
|
-
|
|
|
- actual_bytes = ACPI_PTR_DIFF(buffer, *output_buffer);
|
|
|
- *bytes_consumed = actual_bytes;
|
|
|
-
|
|
|
- /*
|
|
|
- * Set the length field to the number of bytes consumed
|
|
|
- * minus the header size (3 bytes)
|
|
|
- */
|
|
|
- actual_bytes -= 3;
|
|
|
- ACPI_MOVE_SIZE_TO_16(length_field, &actual_bytes);
|
|
|
+ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_ADDRESS16,
|
|
|
+ descriptor_length, aml);
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
|
*
|
|
|
- * FUNCTION: acpi_rs_address32_resource
|
|
|
+ * FUNCTION: acpi_rs_get_address32
|
|
|
*
|
|
|
- * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
|
|
|
- * stream
|
|
|
- * bytes_consumed - Pointer to where the number of bytes
|
|
|
- * consumed the byte_stream_buffer is
|
|
|
- * returned
|
|
|
- * output_buffer - Pointer to the return data buffer
|
|
|
- * structure_size - Pointer to where the number of bytes
|
|
|
- * in the return data struct is returned
|
|
|
+ * PARAMETERS: Aml - Pointer to the AML resource descriptor
|
|
|
+ * aml_resource_length - Length of the resource from the AML header
|
|
|
+ * Resource - Where the internal resource is returned
|
|
|
*
|
|
|
* RETURN: Status
|
|
|
*
|
|
|
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
|
|
|
- * structure pointed to by the output_buffer. Return the
|
|
|
- * number of bytes consumed from the byte stream.
|
|
|
+ * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
|
|
|
+ * internal resource descriptor, simplifying bitflags and handling
|
|
|
+ * alignment and endian issues if necessary.
|
|
|
*
|
|
|
******************************************************************************/
|
|
|
|
|
|
acpi_status
|
|
|
-acpi_rs_address32_resource(u8 * byte_stream_buffer,
|
|
|
- acpi_size * bytes_consumed,
|
|
|
- u8 ** output_buffer, acpi_size * structure_size)
|
|
|
+acpi_rs_get_address32(union aml_resource *aml,
|
|
|
+ u16 aml_resource_length, struct acpi_resource *resource)
|
|
|
{
|
|
|
- u16 temp16;
|
|
|
- u8 temp8;
|
|
|
- u8 *temp_ptr;
|
|
|
- u32 index;
|
|
|
- u8 *buffer = byte_stream_buffer;
|
|
|
- struct acpi_resource *output_struct = (void *)*output_buffer;
|
|
|
- acpi_size struct_size =
|
|
|
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32);
|
|
|
-
|
|
|
- ACPI_FUNCTION_TRACE("rs_address32_resource");
|
|
|
-
|
|
|
- /* Get the Descriptor Length field */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- ACPI_MOVE_16_TO_16(&temp16, buffer);
|
|
|
|
|
|
- /* Validate minimum descriptor length */
|
|
|
+ ACPI_FUNCTION_TRACE("rs_get_address32");
|
|
|
|
|
|
- if (temp16 < 23) {
|
|
|
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
|
|
|
- }
|
|
|
-
|
|
|
- *bytes_consumed = temp16 + 3;
|
|
|
- output_struct->type = ACPI_RSTYPE_ADDRESS32;
|
|
|
-
|
|
|
- /* Get the Resource Type (Byte3) */
|
|
|
-
|
|
|
- buffer += 2;
|
|
|
- temp8 = *buffer;
|
|
|
+ /* Get the Resource Type, general flags, and type-specific flags */
|
|
|
|
|
|
- /* Values 0-2 and 0xC0-0xFF are valid */
|
|
|
-
|
|
|
- if ((temp8 > 2) && (temp8 < 0xC0)) {
|
|
|
+ if (!acpi_rs_get_address_common(resource, (void *)aml)) {
|
|
|
return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
|
|
|
}
|
|
|
|
|
|
- output_struct->data.address32.resource_type = temp8;
|
|
|
-
|
|
|
- /* Get the General Flags (Byte4) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- acpi_rs_decode_general_flags(&output_struct->data, *buffer);
|
|
|
-
|
|
|
- /* Get the Type Specific Flags (Byte5) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
|
|
|
-
|
|
|
- /* Get Granularity (Bytes 6-9) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- ACPI_MOVE_32_TO_32(&output_struct->data.address32.granularity, buffer);
|
|
|
-
|
|
|
- /* Get min_address_range (Bytes 10-13) */
|
|
|
-
|
|
|
- buffer += 4;
|
|
|
- ACPI_MOVE_32_TO_32(&output_struct->data.address32.min_address_range,
|
|
|
- buffer);
|
|
|
-
|
|
|
- /* Get max_address_range (Bytes 14-17) */
|
|
|
-
|
|
|
- buffer += 4;
|
|
|
- ACPI_MOVE_32_TO_32(&output_struct->data.address32.max_address_range,
|
|
|
- buffer);
|
|
|
-
|
|
|
- /* Get address_translation_offset (Bytes 18-21) */
|
|
|
-
|
|
|
- buffer += 4;
|
|
|
- ACPI_MOVE_32_TO_32(&output_struct->data.address32.
|
|
|
- address_translation_offset, buffer);
|
|
|
-
|
|
|
- /* Get address_length (Bytes 22-25) */
|
|
|
-
|
|
|
- buffer += 4;
|
|
|
- ACPI_MOVE_32_TO_32(&output_struct->data.address32.address_length,
|
|
|
- buffer);
|
|
|
-
|
|
|
- /* Resource Source Index (if present) */
|
|
|
-
|
|
|
- buffer += 4;
|
|
|
-
|
|
|
/*
|
|
|
- * This will leave us pointing to the Resource Source Index
|
|
|
- * If it is present, then save it off and calculate the
|
|
|
- * pointer to where the null terminated string goes:
|
|
|
- *
|
|
|
- * Note: Some resource descriptors will have an additional null, so
|
|
|
- * we add 1 to the length.
|
|
|
+ * Get the following contiguous fields from the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
*/
|
|
|
- if (*bytes_consumed > (26 + 1)) {
|
|
|
- /* Dereference the Index */
|
|
|
-
|
|
|
- output_struct->data.address32.resource_source.index =
|
|
|
- (u32) * buffer;
|
|
|
-
|
|
|
- /* Point to the String */
|
|
|
+ acpi_rs_move_data(&resource->data.address32.granularity,
|
|
|
+ &aml->address32.granularity, 5,
|
|
|
+ ACPI_MOVE_TYPE_32_TO_32);
|
|
|
|
|
|
- buffer += 1;
|
|
|
+ /* Get the optional resource_source (index and string) */
|
|
|
|
|
|
- /* Point the String pointer to the end of this structure */
|
|
|
+ resource->length =
|
|
|
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32) +
|
|
|
+ acpi_rs_get_resource_source(aml_resource_length,
|
|
|
+ sizeof(struct aml_resource_address32),
|
|
|
+ &resource->data.address32.
|
|
|
+ resource_source, aml, NULL);
|
|
|
|
|
|
- output_struct->data.address32.resource_source.string_ptr =
|
|
|
- (char *)((u8 *) output_struct + struct_size);
|
|
|
+ /* Complete the resource header */
|
|
|
|
|
|
- temp_ptr = (u8 *)
|
|
|
- output_struct->data.address32.resource_source.string_ptr;
|
|
|
-
|
|
|
- /* Copy the resource_source string into the buffer */
|
|
|
-
|
|
|
- index = 0;
|
|
|
- while (*buffer) {
|
|
|
- *temp_ptr = *buffer;
|
|
|
-
|
|
|
- temp_ptr++;
|
|
|
- buffer++;
|
|
|
- index++;
|
|
|
- }
|
|
|
-
|
|
|
- /* Add the terminating null and set the string length */
|
|
|
-
|
|
|
- *temp_ptr = 0;
|
|
|
- output_struct->data.address32.resource_source.string_length =
|
|
|
- index + 1;
|
|
|
-
|
|
|
- /*
|
|
|
- * In order for the struct_size to fall on a 32-bit boundary,
|
|
|
- * calculate the length of the string and expand the
|
|
|
- * struct_size to the next 32-bit boundary.
|
|
|
- */
|
|
|
- temp8 = (u8) (index + 1);
|
|
|
- struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
|
|
|
- } else {
|
|
|
- output_struct->data.address32.resource_source.index = 0;
|
|
|
- output_struct->data.address32.resource_source.string_length = 0;
|
|
|
- output_struct->data.address32.resource_source.string_ptr = NULL;
|
|
|
- }
|
|
|
-
|
|
|
- /* Set the Length parameter */
|
|
|
-
|
|
|
- output_struct->length = (u32) struct_size;
|
|
|
-
|
|
|
- /* Return the final size of the structure */
|
|
|
-
|
|
|
- *structure_size = struct_size;
|
|
|
+ resource->type = ACPI_RESOURCE_TYPE_ADDRESS32;
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
|
*
|
|
|
- * FUNCTION: acpi_rs_address32_stream
|
|
|
+ * FUNCTION: acpi_rs_set_address32
|
|
|
*
|
|
|
- * PARAMETERS: Resource - Pointer to the resource linked list
|
|
|
- * output_buffer - Pointer to the user's return buffer
|
|
|
- * bytes_consumed - Pointer to where the number of bytes
|
|
|
- * used in the output_buffer is returned
|
|
|
+ * PARAMETERS: Resource - Pointer to the resource descriptor
|
|
|
+ * Aml - Where the AML descriptor is returned
|
|
|
*
|
|
|
* RETURN: Status
|
|
|
*
|
|
|
- * DESCRIPTION: Take the linked list resource structure and fills in the
|
|
|
- * the appropriate bytes in a byte stream
|
|
|
+ * DESCRIPTION: Convert an internal resource descriptor to the corresponding
|
|
|
+ * external AML resource descriptor.
|
|
|
*
|
|
|
******************************************************************************/
|
|
|
|
|
|
acpi_status
|
|
|
-acpi_rs_address32_stream(struct acpi_resource *resource,
|
|
|
- u8 ** output_buffer, acpi_size * bytes_consumed)
|
|
|
+acpi_rs_set_address32(struct acpi_resource *resource, union aml_resource *aml)
|
|
|
{
|
|
|
- u8 *buffer;
|
|
|
- u16 *length_field;
|
|
|
-
|
|
|
- ACPI_FUNCTION_TRACE("rs_address32_stream");
|
|
|
-
|
|
|
- buffer = *output_buffer;
|
|
|
+ acpi_size descriptor_length;
|
|
|
|
|
|
- /* Set the Descriptor Type field */
|
|
|
+ ACPI_FUNCTION_TRACE("rs_set_address32");
|
|
|
|
|
|
- *buffer = ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE;
|
|
|
- buffer += 1;
|
|
|
+ /* Set the Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
|
|
- /* Save a pointer to the Length field - to be filled in later */
|
|
|
+ acpi_rs_set_address_common(aml, resource);
|
|
|
|
|
|
- length_field = ACPI_CAST_PTR(u16, buffer);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the Resource Type (Memory, Io, bus_number) */
|
|
|
-
|
|
|
- *buffer = (u8) (resource->data.address32.resource_type & 0x03);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the general flags */
|
|
|
-
|
|
|
- *buffer = acpi_rs_encode_general_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the type specific flags */
|
|
|
-
|
|
|
- *buffer = acpi_rs_encode_specific_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the address space granularity */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_32(buffer, &resource->data.address32.granularity);
|
|
|
- buffer += 4;
|
|
|
-
|
|
|
- /* Set the address range minimum */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_32(buffer, &resource->data.address32.min_address_range);
|
|
|
- buffer += 4;
|
|
|
-
|
|
|
- /* Set the address range maximum */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_32(buffer, &resource->data.address32.max_address_range);
|
|
|
- buffer += 4;
|
|
|
-
|
|
|
- /* Set the address translation offset */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_32(buffer,
|
|
|
- &resource->data.address32.
|
|
|
- address_translation_offset);
|
|
|
- buffer += 4;
|
|
|
-
|
|
|
- /* Set the address length */
|
|
|
-
|
|
|
- ACPI_MOVE_32_TO_32(buffer, &resource->data.address32.address_length);
|
|
|
- buffer += 4;
|
|
|
+ /*
|
|
|
+ * Set the following contiguous fields in the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ */
|
|
|
+ acpi_rs_move_data(&aml->address32.granularity,
|
|
|
+ &resource->data.address32.granularity, 5,
|
|
|
+ ACPI_MOVE_TYPE_32_TO_32);
|
|
|
|
|
|
/* Resource Source Index and Resource Source are optional */
|
|
|
|
|
|
- if (resource->data.address32.resource_source.string_length) {
|
|
|
- *buffer = (u8) resource->data.address32.resource_source.index;
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Copy the resource_source string */
|
|
|
+ descriptor_length = acpi_rs_set_resource_source(aml,
|
|
|
+ sizeof(struct
|
|
|
+ aml_resource_address32),
|
|
|
+ &resource->data.
|
|
|
+ address32.
|
|
|
+ resource_source);
|
|
|
|
|
|
- ACPI_STRCPY((char *)buffer,
|
|
|
- resource->data.address32.resource_source.
|
|
|
- string_ptr);
|
|
|
+ /* Complete the AML descriptor header */
|
|
|
|
|
|
- /*
|
|
|
- * Buffer needs to be set to the length of the string + one for the
|
|
|
- * terminating null
|
|
|
- */
|
|
|
- buffer +=
|
|
|
- (acpi_size) (ACPI_STRLEN
|
|
|
- (resource->data.address32.resource_source.
|
|
|
- string_ptr) + 1);
|
|
|
- }
|
|
|
-
|
|
|
- /* Return the number of bytes consumed in this operation */
|
|
|
-
|
|
|
- *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
|
|
|
-
|
|
|
- /*
|
|
|
- * Set the length field to the number of bytes consumed
|
|
|
- * minus the header size (3 bytes)
|
|
|
- */
|
|
|
- *length_field = (u16) (*bytes_consumed - 3);
|
|
|
+ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_ADDRESS32,
|
|
|
+ descriptor_length, aml);
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
|
*
|
|
|
- * FUNCTION: acpi_rs_address64_resource
|
|
|
+ * FUNCTION: acpi_rs_get_address64
|
|
|
*
|
|
|
- * PARAMETERS: byte_stream_buffer - Pointer to the resource input byte
|
|
|
- * stream
|
|
|
- * bytes_consumed - Pointer to where the number of bytes
|
|
|
- * consumed the byte_stream_buffer is
|
|
|
- * returned
|
|
|
- * output_buffer - Pointer to the return data buffer
|
|
|
- * structure_size - Pointer to where the number of bytes
|
|
|
- * in the return data struct is returned
|
|
|
+ * PARAMETERS: Aml - Pointer to the AML resource descriptor
|
|
|
+ * aml_resource_length - Length of the resource from the AML header
|
|
|
+ * Resource - Where the internal resource is returned
|
|
|
*
|
|
|
* RETURN: Status
|
|
|
*
|
|
|
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
|
|
|
- * structure pointed to by the output_buffer. Return the
|
|
|
- * number of bytes consumed from the byte stream.
|
|
|
+ * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
|
|
|
+ * internal resource descriptor, simplifying bitflags and handling
|
|
|
+ * alignment and endian issues if necessary.
|
|
|
*
|
|
|
******************************************************************************/
|
|
|
|
|
|
acpi_status
|
|
|
-acpi_rs_address64_resource(u8 * byte_stream_buffer,
|
|
|
- acpi_size * bytes_consumed,
|
|
|
- u8 ** output_buffer, acpi_size * structure_size)
|
|
|
+acpi_rs_get_address64(union aml_resource *aml,
|
|
|
+ u16 aml_resource_length, struct acpi_resource *resource)
|
|
|
{
|
|
|
- u16 temp16;
|
|
|
- u8 temp8;
|
|
|
- u8 resource_type;
|
|
|
- u8 *temp_ptr;
|
|
|
- u32 index;
|
|
|
- u8 *buffer = byte_stream_buffer;
|
|
|
- struct acpi_resource *output_struct = (void *)*output_buffer;
|
|
|
- acpi_size struct_size =
|
|
|
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64);
|
|
|
-
|
|
|
- ACPI_FUNCTION_TRACE("rs_address64_resource");
|
|
|
-
|
|
|
- /* Get the Descriptor Type */
|
|
|
-
|
|
|
- resource_type = *buffer;
|
|
|
-
|
|
|
- /* Get the Descriptor Length field */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- ACPI_MOVE_16_TO_16(&temp16, buffer);
|
|
|
-
|
|
|
- /* Validate minimum descriptor length */
|
|
|
-
|
|
|
- if (temp16 < 43) {
|
|
|
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
|
|
|
- }
|
|
|
-
|
|
|
- *bytes_consumed = temp16 + 3;
|
|
|
- output_struct->type = ACPI_RSTYPE_ADDRESS64;
|
|
|
-
|
|
|
- /* Get the Resource Type (Byte3) */
|
|
|
+ ACPI_FUNCTION_TRACE("rs_get_address64");
|
|
|
|
|
|
- buffer += 2;
|
|
|
- temp8 = *buffer;
|
|
|
+ /* Get the Resource Type, general Flags, and type-specific Flags */
|
|
|
|
|
|
- /* Values 0-2 and 0xC0-0xFF are valid */
|
|
|
-
|
|
|
- if ((temp8 > 2) && (temp8 < 0xC0)) {
|
|
|
+ if (!acpi_rs_get_address_common(resource, aml)) {
|
|
|
return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
|
|
|
}
|
|
|
|
|
|
- output_struct->data.address64.resource_type = temp8;
|
|
|
-
|
|
|
- /* Get the General Flags (Byte4) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- acpi_rs_decode_general_flags(&output_struct->data, *buffer);
|
|
|
-
|
|
|
- /* Get the Type Specific Flags (Byte5) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- acpi_rs_decode_specific_flags(&output_struct->data, *buffer);
|
|
|
-
|
|
|
- if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) {
|
|
|
- /* Move past revision_id and Reserved byte */
|
|
|
-
|
|
|
- buffer += 2;
|
|
|
- }
|
|
|
-
|
|
|
- /* Get Granularity (Bytes 6-13) or (Bytes 8-15) */
|
|
|
-
|
|
|
- buffer += 1;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.granularity, buffer);
|
|
|
-
|
|
|
- /* Get min_address_range (Bytes 14-21) or (Bytes 16-23) */
|
|
|
-
|
|
|
- buffer += 8;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.min_address_range,
|
|
|
- buffer);
|
|
|
-
|
|
|
- /* Get max_address_range (Bytes 22-29) or (Bytes 24-31) */
|
|
|
-
|
|
|
- buffer += 8;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.max_address_range,
|
|
|
- buffer);
|
|
|
-
|
|
|
- /* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) */
|
|
|
-
|
|
|
- buffer += 8;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.
|
|
|
- address_translation_offset, buffer);
|
|
|
+ /*
|
|
|
+ * Get the following contiguous fields from the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ */
|
|
|
+ acpi_rs_move_data(&resource->data.address64.granularity,
|
|
|
+ &aml->address64.granularity, 5,
|
|
|
+ ACPI_MOVE_TYPE_64_TO_64);
|
|
|
|
|
|
- /* Get address_length (Bytes 38-45) or (Bytes 40-47) */
|
|
|
+ /* Get the optional resource_source (index and string) */
|
|
|
|
|
|
- buffer += 8;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.address_length,
|
|
|
- buffer);
|
|
|
+ resource->length =
|
|
|
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64) +
|
|
|
+ acpi_rs_get_resource_source(aml_resource_length,
|
|
|
+ sizeof(struct aml_resource_address64),
|
|
|
+ &resource->data.address64.
|
|
|
+ resource_source, aml, NULL);
|
|
|
|
|
|
- output_struct->data.address64.resource_source.index = 0;
|
|
|
- output_struct->data.address64.resource_source.string_length = 0;
|
|
|
- output_struct->data.address64.resource_source.string_ptr = NULL;
|
|
|
+ /* Complete the resource header */
|
|
|
|
|
|
- if (resource_type == ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE) {
|
|
|
- /* Get type_specific_attribute (Bytes 48-55) */
|
|
|
+ resource->type = ACPI_RESOURCE_TYPE_ADDRESS64;
|
|
|
+ return_ACPI_STATUS(AE_OK);
|
|
|
+}
|
|
|
|
|
|
- buffer += 8;
|
|
|
- ACPI_MOVE_64_TO_64(&output_struct->data.address64.
|
|
|
- type_specific_attributes, buffer);
|
|
|
- } else {
|
|
|
- output_struct->data.address64.type_specific_attributes = 0;
|
|
|
+/*******************************************************************************
|
|
|
+ *
|
|
|
+ * FUNCTION: acpi_rs_set_address64
|
|
|
+ *
|
|
|
+ * PARAMETERS: Resource - Pointer to the resource descriptor
|
|
|
+ * Aml - Where the AML descriptor is returned
|
|
|
+ *
|
|
|
+ * RETURN: Status
|
|
|
+ *
|
|
|
+ * DESCRIPTION: Convert an internal resource descriptor to the corresponding
|
|
|
+ * external AML resource descriptor.
|
|
|
+ *
|
|
|
+ ******************************************************************************/
|
|
|
|
|
|
- /* Resource Source Index (if present) */
|
|
|
+acpi_status
|
|
|
+acpi_rs_set_address64(struct acpi_resource *resource, union aml_resource *aml)
|
|
|
+{
|
|
|
+ acpi_size descriptor_length;
|
|
|
|
|
|
- buffer += 8;
|
|
|
+ ACPI_FUNCTION_TRACE("rs_set_address64");
|
|
|
|
|
|
- /*
|
|
|
- * This will leave us pointing to the Resource Source Index
|
|
|
- * If it is present, then save it off and calculate the
|
|
|
- * pointer to where the null terminated string goes:
|
|
|
- * Each Interrupt takes 32-bits + the 5 bytes of the
|
|
|
- * stream that are default.
|
|
|
- *
|
|
|
- * Note: Some resource descriptors will have an additional null, so
|
|
|
- * we add 1 to the length.
|
|
|
- */
|
|
|
- if (*bytes_consumed > (46 + 1)) {
|
|
|
- /* Dereference the Index */
|
|
|
+ /* Set the Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
|
|
- output_struct->data.address64.resource_source.index =
|
|
|
- (u32) * buffer;
|
|
|
+ acpi_rs_set_address_common(aml, resource);
|
|
|
|
|
|
- /* Point to the String */
|
|
|
+ /*
|
|
|
+ * Set the following contiguous fields in the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ */
|
|
|
+ acpi_rs_move_data(&aml->address64.granularity,
|
|
|
+ &resource->data.address64.granularity, 5,
|
|
|
+ ACPI_MOVE_TYPE_64_TO_64);
|
|
|
|
|
|
- buffer += 1;
|
|
|
+ /* Resource Source Index and Resource Source are optional */
|
|
|
|
|
|
- /* Point the String pointer to the end of this structure */
|
|
|
+ descriptor_length = acpi_rs_set_resource_source(aml,
|
|
|
+ sizeof(struct
|
|
|
+ aml_resource_address64),
|
|
|
+ &resource->data.
|
|
|
+ address64.
|
|
|
+ resource_source);
|
|
|
|
|
|
- output_struct->data.address64.resource_source.
|
|
|
- string_ptr =
|
|
|
- (char *)((u8 *) output_struct + struct_size);
|
|
|
+ /* Complete the AML descriptor header */
|
|
|
|
|
|
- temp_ptr = (u8 *)
|
|
|
- output_struct->data.address64.resource_source.
|
|
|
- string_ptr;
|
|
|
+ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_ADDRESS64,
|
|
|
+ descriptor_length, aml);
|
|
|
+ return_ACPI_STATUS(AE_OK);
|
|
|
+}
|
|
|
|
|
|
- /* Copy the resource_source string into the buffer */
|
|
|
+/*******************************************************************************
|
|
|
+ *
|
|
|
+ * FUNCTION: acpi_rs_get_ext_address64
|
|
|
+ *
|
|
|
+ * PARAMETERS: Aml - Pointer to the AML resource descriptor
|
|
|
+ * aml_resource_length - Length of the resource from the AML header
|
|
|
+ * Resource - Where the internal resource is returned
|
|
|
+ *
|
|
|
+ * RETURN: Status
|
|
|
+ *
|
|
|
+ * DESCRIPTION: Convert a raw AML resource descriptor to the corresponding
|
|
|
+ * internal resource descriptor, simplifying bitflags and handling
|
|
|
+ * alignment and endian issues if necessary.
|
|
|
+ *
|
|
|
+ ******************************************************************************/
|
|
|
|
|
|
- index = 0;
|
|
|
- while (*buffer) {
|
|
|
- *temp_ptr = *buffer;
|
|
|
+acpi_status
|
|
|
+acpi_rs_get_ext_address64(union aml_resource *aml,
|
|
|
+ u16 aml_resource_length,
|
|
|
+ struct acpi_resource *resource)
|
|
|
+{
|
|
|
|
|
|
- temp_ptr++;
|
|
|
- buffer++;
|
|
|
- index++;
|
|
|
- }
|
|
|
+ ACPI_FUNCTION_TRACE("rs_get_ext_address64");
|
|
|
|
|
|
- /*
|
|
|
- * Add the terminating null and set the string length
|
|
|
- */
|
|
|
- *temp_ptr = 0;
|
|
|
- output_struct->data.address64.resource_source.
|
|
|
- string_length = index + 1;
|
|
|
+ /* Get the Resource Type, general flags, and type-specific flags */
|
|
|
|
|
|
- /*
|
|
|
- * In order for the struct_size to fall on a 32-bit boundary,
|
|
|
- * calculate the length of the string and expand the
|
|
|
- * struct_size to the next 32-bit boundary.
|
|
|
- */
|
|
|
- temp8 = (u8) (index + 1);
|
|
|
- struct_size += ACPI_ROUND_UP_to_32_bITS(temp8);
|
|
|
- }
|
|
|
+ if (!acpi_rs_get_address_common(resource, aml)) {
|
|
|
+ return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
|
|
|
}
|
|
|
|
|
|
- /* Set the Length parameter */
|
|
|
+ /*
|
|
|
+ * Get and validate the Revision ID
|
|
|
+ * Note: Only one revision ID is currently supported
|
|
|
+ */
|
|
|
+ resource->data.ext_address64.revision_iD =
|
|
|
+ aml->ext_address64.revision_iD;
|
|
|
+ if (aml->ext_address64.revision_iD !=
|
|
|
+ AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
|
|
|
+ return_ACPI_STATUS(AE_SUPPORT);
|
|
|
+ }
|
|
|
|
|
|
- output_struct->length = (u32) struct_size;
|
|
|
+ /*
|
|
|
+ * Get the following contiguous fields from the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ * Type-Specific Attribute
|
|
|
+ */
|
|
|
+ acpi_rs_move_data(&resource->data.ext_address64.granularity,
|
|
|
+ &aml->ext_address64.granularity, 6,
|
|
|
+ ACPI_MOVE_TYPE_64_TO_64);
|
|
|
|
|
|
- /* Return the final size of the structure */
|
|
|
+ /* Complete the resource header */
|
|
|
|
|
|
- *structure_size = struct_size;
|
|
|
+ resource->type = ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64;
|
|
|
+ resource->length =
|
|
|
+ ACPI_SIZEOF_RESOURCE(struct acpi_resource_extended_address64);
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
|
*
|
|
|
- * FUNCTION: acpi_rs_address64_stream
|
|
|
+ * FUNCTION: acpi_rs_set_ext_address64
|
|
|
*
|
|
|
- * PARAMETERS: Resource - Pointer to the resource linked list
|
|
|
- * output_buffer - Pointer to the user's return buffer
|
|
|
- * bytes_consumed - Pointer to where the number of bytes
|
|
|
- * used in the output_buffer is returned
|
|
|
+ * PARAMETERS: Resource - Pointer to the resource descriptor
|
|
|
+ * Aml - Where the AML descriptor is returned
|
|
|
*
|
|
|
* RETURN: Status
|
|
|
*
|
|
|
- * DESCRIPTION: Take the linked list resource structure and fills in the
|
|
|
- * the appropriate bytes in a byte stream
|
|
|
+ * DESCRIPTION: Convert an internal resource descriptor to the corresponding
|
|
|
+ * external AML resource descriptor.
|
|
|
*
|
|
|
******************************************************************************/
|
|
|
|
|
|
acpi_status
|
|
|
-acpi_rs_address64_stream(struct acpi_resource *resource,
|
|
|
- u8 ** output_buffer, acpi_size * bytes_consumed)
|
|
|
+acpi_rs_set_ext_address64(struct acpi_resource *resource,
|
|
|
+ union aml_resource *aml)
|
|
|
{
|
|
|
- u8 *buffer;
|
|
|
- u16 *length_field;
|
|
|
-
|
|
|
- ACPI_FUNCTION_TRACE("rs_address64_stream");
|
|
|
-
|
|
|
- buffer = *output_buffer;
|
|
|
-
|
|
|
- /* Set the Descriptor Type field */
|
|
|
-
|
|
|
- *buffer = ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE;
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Save a pointer to the Length field - to be filled in later */
|
|
|
-
|
|
|
- length_field = ACPI_CAST_PTR(u16, buffer);
|
|
|
- buffer += 2;
|
|
|
-
|
|
|
- /* Set the Resource Type (Memory, Io, bus_number) */
|
|
|
-
|
|
|
- *buffer = (u8) (resource->data.address64.resource_type & 0x03);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the general flags */
|
|
|
-
|
|
|
- *buffer = acpi_rs_encode_general_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the type specific flags */
|
|
|
-
|
|
|
- *buffer = acpi_rs_encode_specific_flags(&resource->data);
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Set the address space granularity */
|
|
|
+ ACPI_FUNCTION_TRACE("rs_set_ext_address64");
|
|
|
|
|
|
- ACPI_MOVE_64_TO_64(buffer, &resource->data.address64.granularity);
|
|
|
- buffer += 8;
|
|
|
+ /* Set the Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
|
|
- /* Set the address range minimum */
|
|
|
+ acpi_rs_set_address_common(aml, resource);
|
|
|
|
|
|
- ACPI_MOVE_64_TO_64(buffer, &resource->data.address64.min_address_range);
|
|
|
- buffer += 8;
|
|
|
+ /* Only one Revision ID is currently supported */
|
|
|
|
|
|
- /* Set the address range maximum */
|
|
|
-
|
|
|
- ACPI_MOVE_64_TO_64(buffer, &resource->data.address64.max_address_range);
|
|
|
- buffer += 8;
|
|
|
-
|
|
|
- /* Set the address translation offset */
|
|
|
-
|
|
|
- ACPI_MOVE_64_TO_64(buffer,
|
|
|
- &resource->data.address64.
|
|
|
- address_translation_offset);
|
|
|
- buffer += 8;
|
|
|
-
|
|
|
- /* Set the address length */
|
|
|
-
|
|
|
- ACPI_MOVE_64_TO_64(buffer, &resource->data.address64.address_length);
|
|
|
- buffer += 8;
|
|
|
-
|
|
|
- /* Resource Source Index and Resource Source are optional */
|
|
|
-
|
|
|
- if (resource->data.address64.resource_source.string_length) {
|
|
|
- *buffer = (u8) resource->data.address64.resource_source.index;
|
|
|
- buffer += 1;
|
|
|
-
|
|
|
- /* Copy the resource_source string */
|
|
|
-
|
|
|
- ACPI_STRCPY((char *)buffer,
|
|
|
- resource->data.address64.resource_source.
|
|
|
- string_ptr);
|
|
|
-
|
|
|
- /*
|
|
|
- * Buffer needs to be set to the length of the string + one for the
|
|
|
- * terminating null
|
|
|
- */
|
|
|
- buffer +=
|
|
|
- (acpi_size) (ACPI_STRLEN
|
|
|
- (resource->data.address64.resource_source.
|
|
|
- string_ptr) + 1);
|
|
|
- }
|
|
|
-
|
|
|
- /* Return the number of bytes consumed in this operation */
|
|
|
-
|
|
|
- *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
|
|
|
+ aml->ext_address64.revision_iD = AML_RESOURCE_EXTENDED_ADDRESS_REVISION;
|
|
|
+ aml->ext_address64.reserved = 0;
|
|
|
|
|
|
/*
|
|
|
- * Set the length field to the number of bytes consumed
|
|
|
- * minus the header size (3 bytes)
|
|
|
+ * Set the following contiguous fields in the AML descriptor:
|
|
|
+ * Address Granularity
|
|
|
+ * Address Range Minimum
|
|
|
+ * Address Range Maximum
|
|
|
+ * Address Translation Offset
|
|
|
+ * Address Length
|
|
|
+ * Type-Specific Attribute
|
|
|
*/
|
|
|
- *length_field = (u16) (*bytes_consumed - 3);
|
|
|
+ acpi_rs_move_data(&aml->ext_address64.granularity,
|
|
|
+ &resource->data.address64.granularity, 6,
|
|
|
+ ACPI_MOVE_TYPE_64_TO_64);
|
|
|
+
|
|
|
+ /* Complete the AML descriptor header */
|
|
|
+
|
|
|
+ acpi_rs_set_resource_header(ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
|
|
|
+ sizeof(struct
|
|
|
+ aml_resource_extended_address64),
|
|
|
+ aml);
|
|
|
return_ACPI_STATUS(AE_OK);
|
|
|
}
|