rsmemory.c

linux-2.6.15.6

	 *
	 *  NOTE: output_struct->Data is cast to u8, otherwise, this addition adds
	 *  4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8)
	 */

	/* Check Byte 3 the Read/Write bit */

	temp8 = *buffer;
	buffer += 1;

	output_struct->data.memory32.read_write_attribute = temp8 & 0x01;

	/* Get min_base_address (Bytes 4-7) */

	ACPI_MOVE_32_TO_32(&output_struct->data.memory32.min_base_address,
			   buffer);
	buffer += 4;

	/* Get max_base_address (Bytes 8-11) */

	ACPI_MOVE_32_TO_32(&output_struct->data.memory32.max_base_address,
			   buffer);
	buffer += 4;

	/* Get Alignment (Bytes 12-15) */

	ACPI_MOVE_32_TO_32(&output_struct->data.memory32.alignment, buffer);
	buffer += 4;

	/* Get range_length (Bytes 16-19) */

	ACPI_MOVE_32_TO_32(&output_struct->data.memory32.range_length, buffer);

	/* Set the Length parameter */

	output_struct->length = (u32) struct_size;

	/* Return the final size of the structure */

	*structure_size = struct_size;
	return_ACPI_STATUS(AE_OK);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_rs_fixed_memory32_resource
 *
 * 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
 *
 * 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.
 *
 ******************************************************************************/

acpi_status
acpi_rs_fixed_memory32_resource(u8 * byte_stream_buffer,
				acpi_size * bytes_consumed,
				u8 ** output_buffer, acpi_size * structure_size)
{
	u8 *buffer = byte_stream_buffer;
	struct acpi_resource *output_struct = (void *)*output_buffer;
	u16 temp16 = 0;
	u8 temp8 = 0;
	acpi_size struct_size =
	    ACPI_SIZEOF_RESOURCE(struct acpi_resource_fixed_mem32);

	ACPI_FUNCTION_TRACE("rs_fixed_memory32_resource");

	/* Point past the Descriptor to get the number of bytes consumed */

	buffer += 1;
	ACPI_MOVE_16_TO_16(&temp16, buffer);

	buffer += 2;
	*bytes_consumed = (acpi_size) temp16 + 3;

	output_struct->id = ACPI_RSTYPE_FIXED_MEM32;

	/* Check Byte 3 the Read/Write bit */

	temp8 = *buffer;
	buffer += 1;
	output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01;

	/* Get range_base_address (Bytes 4-7) */

	ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32.
			   range_base_address, buffer);
	buffer += 4;

	/* Get range_length (Bytes 8-11) */

	ACPI_MOVE_32_TO_32(&output_struct->data.fixed_memory32.range_length,
			   buffer);

	/* Set the Length parameter */

	output_struct->length = (u32) struct_size;

	/* Return the final size of the structure */

	*structure_size = struct_size;
	return_ACPI_STATUS(AE_OK);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_rs_memory32_range_stream
 *
 * PARAMETERS:  linked_list             - 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
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Take the linked list resource structure and fills in the
 *              the appropriate bytes in a byte stream
 *
 ******************************************************************************/

acpi_status
acpi_rs_memory32_range_stream(struct acpi_resource *linked_list,
			      u8 ** output_buffer, acpi_size * bytes_consumed)
{
	u8 *buffer = *output_buffer;
	u16 temp16 = 0;
	u8 temp8 = 0;

	ACPI_FUNCTION_TRACE("rs_memory32_range_stream");

	/* The descriptor field is static */

	*buffer = 0x85;
	buffer += 1;

	/* The length field is static */

	temp16 = 0x11;

	ACPI_MOVE_16_TO_16(buffer, &temp16);
	buffer += 2;

	/* Set the Information Byte */

	temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01);
	*buffer = temp8;
	buffer += 1;

	/* Set the Range minimum base address */

	ACPI_MOVE_32_TO_32(buffer,
			   &linked_list->data.memory32.min_base_address);
	buffer += 4;

	/* Set the Range maximum base address */

	ACPI_MOVE_32_TO_32(buffer,
			   &linked_list->data.memory32.max_base_address);
	buffer += 4;

	/* Set the base alignment */

	ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.alignment);
	buffer += 4;

	/* Set the range length */

	ACPI_MOVE_32_TO_32(buffer, &linked_list->data.memory32.range_length);
	buffer += 4;

	/* Return the number of bytes consumed in this operation */

	*bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
	return_ACPI_STATUS(AE_OK);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_rs_fixed_memory32_stream
 *
 * PARAMETERS:  linked_list             - 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
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Take the linked list resource structure and fills in the
 *              the appropriate bytes in a byte stream
 *
 ******************************************************************************/

acpi_status
acpi_rs_fixed_memory32_stream(struct acpi_resource *linked_list,
			      u8 ** output_buffer, acpi_size * bytes_consumed)
{
	u8 *buffer = *output_buffer;
	u16 temp16 = 0;
	u8 temp8 = 0;

	ACPI_FUNCTION_TRACE("rs_fixed_memory32_stream");

	/* The descriptor field is static */

	*buffer = 0x86;
	buffer += 1;

	/* The length field is static */

	temp16 = 0x09;

	ACPI_MOVE_16_TO_16(buffer, &temp16);
	buffer += 2;

	/* Set the Information Byte */

	temp8 =
	    (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01);
	*buffer = temp8;
	buffer += 1;

	/* Set the Range base address */

	ACPI_MOVE_32_TO_32(buffer,
			   &linked_list->data.fixed_memory32.
			   range_base_address);
	buffer += 4;

	/* Set the range length */

	ACPI_MOVE_32_TO_32(buffer,
			   &linked_list->data.fixed_memory32.range_length);
	buffer += 4;

	/* Return the number of bytes consumed in this operation */

	*bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
	return_ACPI_STATUS(AE_OK);
}