******************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME("rsmisc")
+#define INIT_RESOURCE_TYPE(i) i->resource_offset
+#define INIT_RESOURCE_LENGTH(i) i->aml_offset
+#define INIT_TABLE_LENGTH(i) i->value
+#define COMPARE_OPCODE(i) i->resource_offset
+#define COMPARE_TARGET(i) i->aml_offset
+#define COMPARE_VALUE(i) i->value
/*******************************************************************************
*
- * FUNCTION: acpi_rs_generic_register_resource
+ * FUNCTION: acpi_rs_convert_aml_to_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
+ * PARAMETERS: Resource - Pointer to the resource descriptor
+ * Aml - Where the AML descriptor is returned
+ * Info - Pointer to appropriate conversion table
*
* 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 an external AML resource descriptor to the corresponding
+ * internal resource descriptor
*
******************************************************************************/
acpi_status
-acpi_rs_generic_register_resource(u8 * byte_stream_buffer,
- acpi_size * bytes_consumed,
- u8 ** output_buffer,
- acpi_size * structure_size)
+acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
+ union aml_resource *aml,
+ struct acpi_rsconvert_info *info)
{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *)*output_buffer;
- u16 temp16;
- u8 temp8;
- acpi_size struct_size =
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_generic_reg);
-
- ACPI_FUNCTION_TRACE("rs_generic_register_resource");
-
- /* Byte 0 is the Descriptor Type */
-
- buffer += 1;
-
- /* Get the Descriptor Length field (Bytes 1-2) */
-
- ACPI_MOVE_16_TO_16(&temp16, buffer);
- buffer += 2;
-
- /* Validate the descriptor length */
-
- if (temp16 != 12) {
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
- }
-
- /* The number of bytes consumed is fixed (12 + 3) */
-
- *bytes_consumed = 15;
-
- /* Fill out the structure */
-
- output_struct->type = ACPI_RSTYPE_GENERIC_REG;
-
- /* Get space_id (Byte 3) */
-
- temp8 = *buffer;
- output_struct->data.generic_reg.space_id = temp8;
- buffer += 1;
-
- /* Get register_bit_width (Byte 4) */
-
- temp8 = *buffer;
- output_struct->data.generic_reg.bit_width = temp8;
- buffer += 1;
-
- /* Get register_bit_offset (Byte 5) */
-
- temp8 = *buffer;
- output_struct->data.generic_reg.bit_offset = temp8;
- buffer += 1;
-
- /* Get address_size (Byte 6) */
-
- temp8 = *buffer;
- output_struct->data.generic_reg.address_size = temp8;
- buffer += 1;
-
- /* Get register_address (Bytes 7-14) */
-
- ACPI_MOVE_64_TO_64(&output_struct->data.generic_reg.address, 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_generic_register_stream
- *
- * 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
- *
- * RETURN: Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- * the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_generic_register_stream(struct acpi_resource *resource,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u16 temp16;
-
- ACPI_FUNCTION_TRACE("rs_generic_register_stream");
-
- /* Set the Descriptor Type (Byte 0) */
-
- *buffer = ACPI_RDESC_TYPE_GENERIC_REGISTER;
- buffer += 1;
-
- /* Set the Descriptor Length (Bytes 1-2) */
-
- temp16 = 12;
- ACPI_MOVE_16_TO_16(buffer, &temp16);
- buffer += 2;
-
- /* Set space_id (Byte 3) */
-
- *buffer = (u8) resource->data.generic_reg.space_id;
- buffer += 1;
-
- /* Set register_bit_width (Byte 4) */
-
- *buffer = (u8) resource->data.generic_reg.bit_width;
- buffer += 1;
-
- /* Set register_bit_offset (Byte 5) */
-
- *buffer = (u8) resource->data.generic_reg.bit_offset;
- buffer += 1;
-
- /* Set address_size (Byte 6) */
-
- *buffer = (u8) resource->data.generic_reg.address_size;
- buffer += 1;
-
- /* Set register_address (Bytes 7-14) */
-
- ACPI_MOVE_64_TO_64(buffer, &resource->data.generic_reg.address);
- buffer += 8;
-
- /* 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_end_tag_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_end_tag_resource(u8 * byte_stream_buffer,
- acpi_size * bytes_consumed,
- u8 ** output_buffer, acpi_size * structure_size)
-{
- struct acpi_resource *output_struct = (void *)*output_buffer;
- acpi_size struct_size = ACPI_RESOURCE_LENGTH;
-
- ACPI_FUNCTION_TRACE("rs_end_tag_resource");
-
- /* The number of bytes consumed is static */
-
- *bytes_consumed = 2;
-
- /* Fill out the structure */
-
- output_struct->type = ACPI_RSTYPE_END_TAG;
-
- /* Set the Length parameter */
-
- output_struct->length = 0;
-
- /* Return the final size of the structure */
-
- *structure_size = struct_size;
- return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_end_tag_stream
- *
- * 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
- *
- * RETURN: Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- * the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_tag_stream(struct acpi_resource *resource,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u8 temp8 = 0;
-
- ACPI_FUNCTION_TRACE("rs_end_tag_stream");
-
- /* The Descriptor Type field is static */
-
- *buffer = ACPI_RDESC_TYPE_END_TAG | 0x01;
- buffer += 1;
-
- /*
- * Set the Checksum - zero means that the resource data is treated as if
- * the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
- */
- temp8 = 0;
-
- *buffer = temp8;
- buffer += 1;
-
- /* 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_vendor_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_vendor_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;
+ acpi_rs_length aml_resource_length;
+ void *source;
+ void *destination;
+ char *target;
+ u8 count;
+ u8 flags_mode = FALSE;
+ u16 item_count = 0;
u16 temp16 = 0;
- u8 temp8 = 0;
- u8 index;
- acpi_size struct_size =
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_vendor);
-
- ACPI_FUNCTION_TRACE("rs_vendor_resource");
-
- /* Dereference the Descriptor to find if this is a large or small item. */
-
- temp8 = *buffer;
-
- if (temp8 & ACPI_RDESC_TYPE_LARGE) {
- /* Large Item, point to the length field */
-
- buffer += 1;
-
- /* Dereference */
- ACPI_MOVE_16_TO_16(&temp16, buffer);
+ ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
- /* Calculate bytes consumed */
+ if (((acpi_native_uint) resource) & 0x3) {
- *bytes_consumed = (acpi_size) temp16 + 3;
+ /* Each internal resource struct is expected to be 32-bit aligned */
- /* Point to the first vendor byte */
-
- buffer += 2;
- } else {
- /* Small Item, dereference the size */
-
- temp16 = (u8) (*buffer & 0x07);
-
- /* Calculate bytes consumed */
-
- *bytes_consumed = (acpi_size) temp16 + 1;
-
- /* Point to the first vendor byte */
-
- buffer += 1;
+ ACPI_WARNING((AE_INFO,
+ "Misaligned resource pointer (get): %p Type %2.2X Len %X",
+ resource, resource->type, resource->length));
}
- output_struct->type = ACPI_RSTYPE_VENDOR;
- output_struct->data.vendor_specific.length = temp16;
+ /* Extract the resource Length field (does not include header length) */
- for (index = 0; index < temp16; index++) {
- output_struct->data.vendor_specific.reserved[index] = *buffer;
- buffer += 1;
- }
+ aml_resource_length = acpi_ut_get_resource_length(aml);
/*
- * In order for the struct_size to fall on a 32-bit boundary,
- * calculate the length of the vendor string and expand the
- * struct_size to the next 32-bit boundary.
+ * First table entry must be ACPI_RSC_INITxxx and must contain the
+ * table length (# of table entries)
*/
- struct_size += ACPI_ROUND_UP_to_32_bITS(temp16);
-
- /* 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_vendor_stream
- *
- * 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
- *
- * RETURN: Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- * the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_vendor_stream(struct acpi_resource *resource,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- u8 index;
-
- ACPI_FUNCTION_TRACE("rs_vendor_stream");
-
- /* Dereference the length to find if this is a large or small item. */
-
- if (resource->data.vendor_specific.length > 7) {
- /* Large Item, Set the descriptor field and length bytes */
-
- *buffer = ACPI_RDESC_TYPE_LARGE_VENDOR;
- buffer += 1;
-
- temp16 = (u16) resource->data.vendor_specific.length;
-
- ACPI_MOVE_16_TO_16(buffer, &temp16);
- buffer += 2;
- } else {
- /* Small Item, Set the descriptor field */
-
- temp8 = ACPI_RDESC_TYPE_SMALL_VENDOR;
- temp8 |= (u8) resource->data.vendor_specific.length;
+ count = INIT_TABLE_LENGTH(info);
+
+ while (count) {
+ /*
+ * Source is the external AML byte stream buffer,
+ * destination is the internal resource descriptor
+ */
+ source = ACPI_ADD_PTR(void, aml, info->aml_offset);
+ destination =
+ ACPI_ADD_PTR(void, resource, info->resource_offset);
+
+ switch (info->opcode) {
+ case ACPI_RSC_INITGET:
+ /*
+ * Get the resource type and the initial (minimum) length
+ */
+ ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info));
+ resource->type = INIT_RESOURCE_TYPE(info);
+ resource->length = INIT_RESOURCE_LENGTH(info);
+ break;
+
+ case ACPI_RSC_INITSET:
+ break;
+
+ case ACPI_RSC_FLAGINIT:
+
+ flags_mode = TRUE;
+ break;
+
+ case ACPI_RSC_1BITFLAG:
+ /*
+ * Mask and shift the flag bit
+ */
+ ACPI_SET8(destination) = (u8)
+ ((ACPI_GET8(source) >> info->value) & 0x01);
+ break;
+
+ case ACPI_RSC_2BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET8(destination) = (u8)
+ ((ACPI_GET8(source) >> info->value) & 0x03);
+ break;
+
+ case ACPI_RSC_COUNT:
+
+ item_count = ACPI_GET8(source);
+ ACPI_SET8(destination) = (u8) item_count;
+
+ resource->length = resource->length +
+ (info->value * (item_count - 1));
+ break;
+
+ case ACPI_RSC_COUNT16:
+
+ item_count = aml_resource_length;
+ ACPI_SET16(destination) = item_count;
+
+ resource->length = resource->length +
+ (info->value * (item_count - 1));
+ break;
+
+ case ACPI_RSC_LENGTH:
+
+ resource->length = resource->length + info->value;
+ break;
+
+ case ACPI_RSC_MOVE8:
+ case ACPI_RSC_MOVE16:
+ case ACPI_RSC_MOVE32:
+ case ACPI_RSC_MOVE64:
+ /*
+ * Raw data move. Use the Info value field unless item_count has
+ * been previously initialized via a COUNT opcode
+ */
+ if (info->value) {
+ item_count = info->value;
+ }
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_SET8:
+
+ ACPI_MEMSET(destination, info->aml_offset, info->value);
+ break;
+
+ case ACPI_RSC_DATA8:
+
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_MEMCPY(destination, source, ACPI_GET16(target));
+ break;
+
+ case ACPI_RSC_ADDRESS:
+ /*
+ * Common handler for address descriptor flags
+ */
+ if (!acpi_rs_get_address_common(resource, aml)) {
+ return_ACPI_STATUS
+ (AE_AML_INVALID_RESOURCE_TYPE);
+ }
+ break;
+
+ case ACPI_RSC_SOURCE:
+ /*
+ * Optional resource_source (Index and String)
+ */
+ resource->length +=
+ acpi_rs_get_resource_source(aml_resource_length,
+ info->value,
+ destination, aml, NULL);
+ break;
+
+ case ACPI_RSC_SOURCEX:
+ /*
+ * Optional resource_source (Index and String). This is the more
+ * complicated case used by the Interrupt() macro
+ */
+ target =
+ ACPI_ADD_PTR(char, resource,
+ info->aml_offset + (item_count * 4));
+
+ resource->length +=
+ acpi_rs_get_resource_source(aml_resource_length,
+ (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target);
+ break;
+
+ case ACPI_RSC_BITMASK:
+ /*
+ * 8-bit encoded bitmask (DMA macro)
+ */
+ item_count =
+ acpi_rs_decode_bitmask(ACPI_GET8(source),
+ destination);
+ if (item_count) {
+ resource->length += (item_count - 1);
+ }
+
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_SET8(target) = (u8) item_count;
+ break;
+
+ case ACPI_RSC_BITMASK16:
+ /*
+ * 16-bit encoded bitmask (IRQ macro)
+ */
+ ACPI_MOVE_16_TO_16(&temp16, source);
+
+ item_count =
+ acpi_rs_decode_bitmask(temp16, destination);
+ if (item_count) {
+ resource->length += (item_count - 1);
+ }
+
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_SET8(target) = (u8) item_count;
+ break;
+
+ case ACPI_RSC_EXIT_NE:
+ /*
+ * Control - Exit conversion if not equal
+ */
+ switch (info->resource_offset) {
+ case ACPI_RSC_COMPARE_AML_LENGTH:
+ if (aml_resource_length != info->value) {
+ goto exit;
+ }
+ break;
+
+ case ACPI_RSC_COMPARE_VALUE:
+ if (ACPI_GET8(source) != info->value) {
+ goto exit;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid conversion sub-opcode"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
- *buffer = temp8;
- buffer += 1;
+ count--;
+ info++;
}
- /* Loop through all of the Vendor Specific fields */
+ exit:
+ if (!flags_mode) {
- for (index = 0; index < resource->data.vendor_specific.length; index++) {
- temp8 = resource->data.vendor_specific.reserved[index];
+ /* Round the resource struct length up to the next boundary (32 or 64) */
- *buffer = temp8;
- buffer += 1;
+ resource->length =
+ (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
}
-
- /* 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_start_depend_fns_resource
+ * FUNCTION: acpi_rs_convert_resource_to_aml
*
- * 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: Resource - Pointer to the resource descriptor
+ * Aml - Where the AML descriptor is returned
+ * Info - Pointer to appropriate conversion table
*
* 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 an internal resource descriptor to the corresponding
+ * external AML resource descriptor.
*
******************************************************************************/
acpi_status
-acpi_rs_start_depend_fns_resource(u8 * byte_stream_buffer,
- acpi_size * bytes_consumed,
- u8 ** output_buffer,
- acpi_size * structure_size)
+acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
+ union aml_resource *aml,
+ struct acpi_rsconvert_info *info)
{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *)*output_buffer;
- u8 temp8 = 0;
- acpi_size struct_size =
- ACPI_SIZEOF_RESOURCE(struct acpi_resource_start_dpf);
-
- ACPI_FUNCTION_TRACE("rs_start_depend_fns_resource");
-
- /* The number of bytes consumed are found in the descriptor (Bits:0-1) */
-
- temp8 = *buffer;
-
- *bytes_consumed = (temp8 & 0x01) + 1;
-
- output_struct->type = ACPI_RSTYPE_START_DPF;
-
- /* Point to Byte 1 if it is used */
-
- if (2 == *bytes_consumed) {
- buffer += 1;
- temp8 = *buffer;
-
- /* Check Compatibility priority */
-
- output_struct->data.start_dpf.compatibility_priority =
- temp8 & 0x03;
-
- if (3 == output_struct->data.start_dpf.compatibility_priority) {
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
- }
-
- /* Check Performance/Robustness preference */
+ void *source = NULL;
+ void *destination;
+ acpi_rsdesc_size aml_length = 0;
+ u8 count;
+ u16 temp16 = 0;
+ u16 item_count = 0;
- output_struct->data.start_dpf.performance_robustness =
- (temp8 >> 2) & 0x03;
+ ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
- if (3 == output_struct->data.start_dpf.performance_robustness) {
- return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
+ /*
+ * First table entry must be ACPI_RSC_INITxxx and must contain the
+ * table length (# of table entries)
+ */
+ count = INIT_TABLE_LENGTH(info);
+
+ while (count) {
+ /*
+ * Source is the internal resource descriptor,
+ * destination is the external AML byte stream buffer
+ */
+ source = ACPI_ADD_PTR(void, resource, info->resource_offset);
+ destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
+
+ switch (info->opcode) {
+ case ACPI_RSC_INITSET:
+
+ ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info));
+ aml_length = INIT_RESOURCE_LENGTH(info);
+ acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
+ aml_length, aml);
+ break;
+
+ case ACPI_RSC_INITGET:
+ break;
+
+ case ACPI_RSC_FLAGINIT:
+ /*
+ * Clear the flag byte
+ */
+ ACPI_SET8(destination) = 0;
+ break;
+
+ case ACPI_RSC_1BITFLAG:
+ /*
+ * Mask and shift the flag bit
+ */
+ ACPI_SET8(destination) |= (u8)
+ ((ACPI_GET8(source) & 0x01) << info->value);
+ break;
+
+ case ACPI_RSC_2BITFLAG:
+ /*
+ * Mask and shift the flag bits
+ */
+ ACPI_SET8(destination) |= (u8)
+ ((ACPI_GET8(source) & 0x03) << info->value);
+ break;
+
+ case ACPI_RSC_COUNT:
+
+ item_count = ACPI_GET8(source);
+ ACPI_SET8(destination) = (u8) item_count;
+
+ aml_length =
+ (u16) (aml_length +
+ (info->value * (item_count - 1)));
+ break;
+
+ case ACPI_RSC_COUNT16:
+
+ item_count = ACPI_GET16(source);
+ aml_length = (u16) (aml_length + item_count);
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_LENGTH:
+
+ acpi_rs_set_resource_length(info->value, aml);
+ break;
+
+ case ACPI_RSC_MOVE8:
+ case ACPI_RSC_MOVE16:
+ case ACPI_RSC_MOVE32:
+ case ACPI_RSC_MOVE64:
+
+ if (info->value) {
+ item_count = info->value;
+ }
+ acpi_rs_move_data(destination, source, item_count,
+ info->opcode);
+ break;
+
+ case ACPI_RSC_ADDRESS:
+
+ /* Set the Resource Type, General Flags, and Type-Specific Flags */
+
+ acpi_rs_set_address_common(aml, resource);
+ break;
+
+ case ACPI_RSC_SOURCEX:
+ /*
+ * Optional resource_source (Index and String)
+ */
+ aml_length =
+ acpi_rs_set_resource_source(aml,
+ (acpi_rs_length)
+ aml_length, source);
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_SOURCE:
+ /*
+ * Optional resource_source (Index and String). This is the more
+ * complicated case used by the Interrupt() macro
+ */
+ aml_length =
+ acpi_rs_set_resource_source(aml, info->value,
+ source);
+ acpi_rs_set_resource_length(aml_length, aml);
+ break;
+
+ case ACPI_RSC_BITMASK:
+ /*
+ * 8-bit encoded bitmask (DMA macro)
+ */
+ ACPI_SET8(destination) = (u8)
+ acpi_rs_encode_bitmask(source,
+ *ACPI_ADD_PTR(u8, resource,
+ info->value));
+ break;
+
+ case ACPI_RSC_BITMASK16:
+ /*
+ * 16-bit encoded bitmask (IRQ macro)
+ */
+ temp16 = acpi_rs_encode_bitmask(source,
+ *ACPI_ADD_PTR(u8,
+ resource,
+ info->
+ value));
+ ACPI_MOVE_16_TO_16(destination, &temp16);
+ break;
+
+ case ACPI_RSC_EXIT_LE:
+ /*
+ * Control - Exit conversion if less than or equal
+ */
+ if (item_count <= info->value) {
+ goto exit;
+ }
+ break;
+
+ case ACPI_RSC_EXIT_NE:
+ /*
+ * Control - Exit conversion if not equal
+ */
+ switch (COMPARE_OPCODE(info)) {
+ case ACPI_RSC_COMPARE_VALUE:
+
+ if (*ACPI_ADD_PTR(u8, resource,
+ COMPARE_TARGET(info)) !=
+ COMPARE_VALUE(info)) {
+ goto exit;
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Invalid conversion sub-opcode"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- } else {
- output_struct->data.start_dpf.compatibility_priority =
- ACPI_ACCEPTABLE_CONFIGURATION;
- output_struct->data.start_dpf.performance_robustness =
- ACPI_ACCEPTABLE_CONFIGURATION;
+ count--;
+ info++;
}
- /* Set the Length parameter */
-
- output_struct->length = (u32) struct_size;
-
- /* Return the final size of the structure */
-
- *structure_size = struct_size;
+ exit:
return_ACPI_STATUS(AE_OK);
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_end_depend_fns_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_end_depend_fns_resource(u8 * byte_stream_buffer,
- acpi_size * bytes_consumed,
- u8 ** output_buffer, acpi_size * structure_size)
-{
- struct acpi_resource *output_struct = (void *)*output_buffer;
- acpi_size struct_size = ACPI_RESOURCE_LENGTH;
+#if 0
+/* Previous resource validations */
- ACPI_FUNCTION_TRACE("rs_end_depend_fns_resource");
-
- /* The number of bytes consumed is static */
-
- *bytes_consumed = 1;
-
- /* Fill out the structure */
-
- output_struct->type = ACPI_RSTYPE_END_DPF;
-
- /* 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);
+if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
+ return_ACPI_STATUS(AE_SUPPORT);
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_start_depend_fns_stream
- *
- * PARAMETERS: Resource - 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_start_depend_fns_stream(struct acpi_resource *resource,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u8 temp8 = 0;
-
- ACPI_FUNCTION_TRACE("rs_start_depend_fns_stream");
+if (resource->data.start_dpf.performance_robustness >= 3) {
+ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
+}
+if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
/*
- * The descriptor type field is set based upon whether a byte is needed
- * to contain Priority data.
+ * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
+ * polarity/trigger interrupts are allowed (ACPI spec, section
+ * "IRQ Format"), so 0x00 and 0x09 are illegal.
*/
- if (ACPI_ACCEPTABLE_CONFIGURATION ==
- resource->data.start_dpf.compatibility_priority &&
- ACPI_ACCEPTABLE_CONFIGURATION ==
- resource->data.start_dpf.performance_robustness) {
- *buffer = ACPI_RDESC_TYPE_START_DEPENDENT;
- } else {
- *buffer = ACPI_RDESC_TYPE_START_DEPENDENT | 0x01;
- buffer += 1;
-
- /* Set the Priority Byte Definition */
-
- temp8 = 0;
- temp8 = (u8) ((resource->data.start_dpf.performance_robustness &
- 0x03) << 2);
- temp8 |= (resource->data.start_dpf.compatibility_priority &
- 0x03);
- *buffer = temp8;
- }
-
- buffer += 1;
-
- /* Return the number of bytes consumed in this operation */
-
- *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
- return_ACPI_STATUS(AE_OK);
+ ACPI_ERROR((AE_INFO,
+ "Invalid interrupt polarity/trigger in resource list, %X",
+ aml->irq.flags));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_end_depend_fns_stream
- *
- * 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
- *
- * RETURN: Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- * the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_depend_fns_stream(struct acpi_resource *resource,
- u8 ** output_buffer, acpi_size * bytes_consumed)
-{
- u8 *buffer = *output_buffer;
-
- ACPI_FUNCTION_TRACE("rs_end_depend_fns_stream");
+resource->data.extended_irq.interrupt_count = temp8;
+if (temp8 < 1) {
- /* The Descriptor Type field is static */
+ /* Must have at least one IRQ */
- *buffer = ACPI_RDESC_TYPE_END_DEPENDENT;
- buffer += 1;
-
- /* Return the number of bytes consumed in this operation */
+ return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
+}
- *bytes_consumed = ACPI_PTR_DIFF(buffer, *output_buffer);
- return_ACPI_STATUS(AE_OK);
+if (resource->data.dma.transfer == 0x03) {
+ ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
+ return_ACPI_STATUS(AE_BAD_DATA);
}
+#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff