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/*******************************************************************************
*
* Module Name: rsmem24 - Memory resource descriptors
* $Revision: 14 $
*
******************************************************************************/
/*
* Copyright (C) 2000, 2001 R. Byron Moore
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "acpi.h"
#include "acresrc.h"
#define _COMPONENT ACPI_RESOURCES
MODULE_NAME ("rsmemory")
/*******************************************************************************
*
* FUNCTION: Acpi_rs_memory24_resource
*
* PARAMETERS: Byte_stream_buffer - Pointer to the resource input byte
* stream
* Bytes_consumed - u32 pointer that is filled with
* the number of bytes consumed from
* the Byte_stream_buffer
* Output_buffer - Pointer to the user's return buffer
* Structure_size - u32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* 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_memory24_resource (
u8 *byte_stream_buffer,
u32 *bytes_consumed,
u8 **output_buffer,
u32 *structure_size)
{
u8 *buffer = byte_stream_buffer;
acpi_resource *output_struct = (acpi_resource *) *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
u32 struct_size = SIZEOF_RESOURCE (acpi_resource_mem24);
FUNCTION_TRACE ("Rs_memory24_resource");
/*
* Point past the Descriptor to get the number of bytes consumed
*/
buffer += 1;
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
*bytes_consumed = temp16 + 3;
output_struct->id = ACPI_RSTYPE_MEM24;
/*
* Check Byte 3 the Read/Write bit
*/
temp8 = *buffer;
buffer += 1;
output_struct->data.memory24.read_write_attribute = temp8 & 0x01;
/*
* Get Min_base_address (Bytes 4-5)
*/
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
output_struct->data.memory24.min_base_address = temp16;
/*
* Get Max_base_address (Bytes 6-7)
*/
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
output_struct->data.memory24.max_base_address = temp16;
/*
* Get Alignment (Bytes 8-9)
*/
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
output_struct->data.memory24.alignment = temp16;
/*
* Get Range_length (Bytes 10-11)
*/
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
output_struct->data.memory24.range_length = temp16;
/*
* Set the Length parameter
*/
output_struct->length = struct_size;
/*
* Return the final size of the structure
*/
*structure_size = struct_size;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: Acpi_rs_memory24_stream
*
* PARAMETERS: Linked_list - Pointer to the resource linked list
* Output_buffer - Pointer to the user's return buffer
* Bytes_consumed - u32 pointer that is filled with
* the number of bytes of the
* Output_buffer used
*
* RETURN: Status
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
acpi_status
acpi_rs_memory24_stream (
acpi_resource *linked_list,
u8 **output_buffer,
u32 *bytes_consumed)
{
u8 *buffer = *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
FUNCTION_TRACE ("Rs_memory24_stream");
/*
* The descriptor field is static
*/
*buffer = 0x81;
buffer += 1;
/*
* The length field is static
*/
temp16 = 0x09;
MOVE_UNALIGNED16_TO_16 (buffer, &temp16);
buffer += 2;
/*
* Set the Information Byte
*/
temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01);
*buffer = temp8;
buffer += 1;
/*
* Set the Range minimum base address
*/
MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.min_base_address);
buffer += 2;
/*
* Set the Range maximum base address
*/
MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.max_base_address);
buffer += 2;
/*
* Set the base alignment
*/
MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.alignment);
buffer += 2;
/*
* Set the range length
*/
MOVE_UNALIGNED16_TO_16 (buffer, &linked_list->data.memory24.range_length);
buffer += 2;
/*
* Return the number of bytes consumed in this operation
*/
*bytes_consumed = POINTER_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: Acpi_rs_memory32_range_resource
*
* PARAMETERS: Byte_stream_buffer - Pointer to the resource input byte
* stream
* Bytes_consumed - u32 pointer that is filled with
* the number of bytes consumed from
* the Byte_stream_buffer
* Output_buffer - Pointer to the user's return buffer
* Structure_size - u32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* 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_memory32_range_resource (
u8 *byte_stream_buffer,
u32 *bytes_consumed,
u8 **output_buffer,
u32 *structure_size)
{
u8 *buffer = byte_stream_buffer;
acpi_resource *output_struct = (acpi_resource *) *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
u32 struct_size = SIZEOF_RESOURCE (acpi_resource_mem32);
FUNCTION_TRACE ("Rs_memory32_range_resource");
/*
* Point past the Descriptor to get the number of bytes consumed
*/
buffer += 1;
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
*bytes_consumed = temp16 + 3;
output_struct->id = ACPI_RSTYPE_MEM32;
/*
* Point to the place in the output buffer where the data portion will
* begin.
* 1. Set the RESOURCE_DATA * Data to point to it's own address, then
* 2. Set the pointer to the next address.
*
* 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)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.min_base_address,
buffer);
buffer += 4;
/*
* Get Max_base_address (Bytes 8-11)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.max_base_address,
buffer);
buffer += 4;
/*
* Get Alignment (Bytes 12-15)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.alignment, buffer);
buffer += 4;
/*
* Get Range_length (Bytes 16-19)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.memory32.range_length, buffer);
/*
* Set the Length parameter
*/
output_struct->length = 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 - u32 pointer that is filled with
* the number of bytes consumed from
* the Byte_stream_buffer
* Output_buffer - Pointer to the user's return buffer
* Structure_size - u32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* 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,
u32 *bytes_consumed,
u8 **output_buffer,
u32 *structure_size)
{
u8 *buffer = byte_stream_buffer;
acpi_resource *output_struct = (acpi_resource *) *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
u32 struct_size = SIZEOF_RESOURCE (acpi_resource_fixed_mem32);
FUNCTION_TRACE ("Rs_fixed_memory32_resource");
/*
* Point past the Descriptor to get the number of bytes consumed
*/
buffer += 1;
MOVE_UNALIGNED16_TO_16 (&temp16, buffer);
buffer += 2;
*bytes_consumed = 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)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.fixed_memory32.range_base_address,
buffer);
buffer += 4;
/*
* Get Range_length (Bytes 8-11)
*/
MOVE_UNALIGNED32_TO_32 (&output_struct->data.fixed_memory32.range_length,
buffer);
/*
* Set the Length parameter
*/
output_struct->length = 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 - u32 pointer that is filled with
* the number of bytes of the
* Output_buffer used
*
* 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 (
acpi_resource *linked_list,
u8 **output_buffer,
u32 *bytes_consumed)
{
u8 *buffer = *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
FUNCTION_TRACE ("Rs_memory32_range_stream");
/*
* The descriptor field is static
*/
*buffer = 0x85;
buffer += 1;
/*
* The length field is static
*/
temp16 = 0x11;
MOVE_UNALIGNED16_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
*/
MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.min_base_address);
buffer += 4;
/*
* Set the Range maximum base address
*/
MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.max_base_address);
buffer += 4;
/*
* Set the base alignment
*/
MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.alignment);
buffer += 4;
/*
* Set the range length
*/
MOVE_UNALIGNED32_TO_32 (buffer, &linked_list->data.memory32.range_length);
buffer += 4;
/*
* Return the number of bytes consumed in this operation
*/
*bytes_consumed = POINTER_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 - u32 pointer that is filled with
* the number of bytes of the
* Output_buffer used
*
* 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 (
acpi_resource *linked_list,
u8 **output_buffer,
u32 *bytes_consumed)
{
u8 *buffer = *output_buffer;
u16 temp16 = 0;
u8 temp8 = 0;
FUNCTION_TRACE ("Rs_fixed_memory32_stream");
/*
* The descriptor field is static
*/
*buffer = 0x86;
buffer += 1;
/*
* The length field is static
*/
temp16 = 0x09;
MOVE_UNALIGNED16_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
*/
MOVE_UNALIGNED32_TO_32 (buffer,
&linked_list->data.fixed_memory32.range_base_address);
buffer += 4;
/*
* Set the range length
*/
MOVE_UNALIGNED32_TO_32 (buffer,
&linked_list->data.fixed_memory32.range_length);
buffer += 4;
/*
* Return the number of bytes consumed in this operation
*/
*bytes_consumed = POINTER_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
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