diff options
Diffstat (limited to 'drivers/acpi/resources/rsaddr.c')
| -rw-r--r-- | drivers/acpi/resources/rsaddr.c | 542 |
1 files changed, 257 insertions, 285 deletions
diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c index 4cf46e1ee01b..23b54baa0cb2 100644 --- a/drivers/acpi/resources/rsaddr.c +++ b/drivers/acpi/resources/rsaddr.c @@ -47,6 +47,180 @@ #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME("rsaddr") +/* Local prototypes */ +static void +acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags); + +static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource); + +static void +acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags); + +static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource); + +/******************************************************************************* + * + * FUNCTION: acpi_rs_decode_general_flags + * + * PARAMETERS: Resource - Address resource data struct + * Flags - Actual flag byte + * + * RETURN: Decoded flag bits in resource struct + * + * DESCRIPTION: Decode a general flag byte to an address resource struct + * + ******************************************************************************/ + +static void +acpi_rs_decode_general_flags(union acpi_resource_data *resource, u8 flags) +{ + ACPI_FUNCTION_ENTRY(); + + /* Producer / Consumer - flag bit[0] */ + + resource->address.producer_consumer = (u32) (flags & 0x01); + + /* Decode (_DEC) - flag bit[1] */ + + resource->address.decode = (u32) ((flags >> 1) & 0x01); + + /* Min Address Fixed (_MIF) - flag bit[2] */ + + resource->address.min_address_fixed = (u32) ((flags >> 2) & 0x01); + + /* Max Address Fixed (_MAF) - flag bit[3] */ + + resource->address.max_address_fixed = (u32) ((flags >> 3) & 0x01); +} + +/******************************************************************************* + * + * FUNCTION: acpi_rs_encode_general_flags + * + * PARAMETERS: Resource - Address resource data struct + * + * RETURN: Encoded general flag byte + * + * DESCRIPTION: Construct a general flag byte from an address resource struct + * + ******************************************************************************/ + +static u8 acpi_rs_encode_general_flags(union acpi_resource_data *resource) +{ + u8 flags; + + ACPI_FUNCTION_ENTRY(); + + /* Producer / Consumer - flag bit[0] */ + + flags = (u8) (resource->address.producer_consumer & 0x01); + + /* Decode (_DEC) - flag bit[1] */ + + flags |= (u8) ((resource->address.decode & 0x01) << 1); + + /* Min Address Fixed (_MIF) - flag bit[2] */ + + flags |= (u8) ((resource->address.min_address_fixed & 0x01) << 2); + + /* Max Address Fixed (_MAF) - flag bit[3] */ + + flags |= (u8) ((resource->address.max_address_fixed & 0x01) << 3); + + return (flags); +} + +/******************************************************************************* + * + * FUNCTION: acpi_rs_decode_specific_flags + * + * PARAMETERS: Resource - Address resource data struct + * Flags - Actual flag byte + * + * RETURN: Decoded flag bits in attribute struct + * + * DESCRIPTION: Decode a type-specific flag byte to an attribute struct. + * Type-specific flags are only defined for the Memory and IO + * resource types. + * + ******************************************************************************/ + +static void +acpi_rs_decode_specific_flags(union acpi_resource_data *resource, u8 flags) +{ + ACPI_FUNCTION_ENTRY(); + + if (resource->address.resource_type == ACPI_MEMORY_RANGE) { + /* Write Status (_RW) - flag bit[0] */ + + resource->address.attribute.memory.read_write_attribute = + (u16) (flags & 0x01); + + /* Memory Attributes (_MEM) - flag bits[2:1] */ + + resource->address.attribute.memory.cache_attribute = + (u16) ((flags >> 1) & 0x03); + } else if (resource->address.resource_type == ACPI_IO_RANGE) { + /* Ranges (_RNG) - flag bits[1:0] */ + + resource->address.attribute.io.range_attribute = + (u16) (flags & 0x03); + + /* Translations (_TTP and _TRS) - flag bits[5:4] */ + + resource->address.attribute.io.translation_attribute = + (u16) ((flags >> 4) & 0x03); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_rs_encode_specific_flags + * + * PARAMETERS: Resource - Address resource data struct + * + * RETURN: Encoded type-specific flag byte + * + * DESCRIPTION: Construct a type-specific flag byte from an attribute struct. + * Type-specific flags are only defined for the Memory and IO + * resource types. + * + ******************************************************************************/ + +static u8 acpi_rs_encode_specific_flags(union acpi_resource_data *resource) +{ + u8 flags = 0; + + ACPI_FUNCTION_ENTRY(); + + if (resource->address.resource_type == ACPI_MEMORY_RANGE) { + /* Write Status (_RW) - flag bit[0] */ + + flags = (u8) + (resource->address.attribute.memory. + read_write_attribute & 0x01); + + /* Memory Attributes (_MEM) - flag bits[2:1] */ + + flags |= (u8) + ((resource->address.attribute.memory. + cache_attribute & 0x03) << 1); + } else if (resource->address.resource_type == ACPI_IO_RANGE) { + /* Ranges (_RNG) - flag bits[1:0] */ + + flags = (u8) + (resource->address.attribute.io.range_attribute & 0x03); + + /* Translations (_TTP and _TRS) - flag bits[5:4] */ + + flags |= (u8) + ((resource->address.attribute.io. + translation_attribute & 0x03) << 4); + } + + return (flags); +} + /******************************************************************************* * * FUNCTION: acpi_rs_address16_resource @@ -67,6 +241,7 @@ ACPI_MODULE_NAME("rsaddr") * number of bytes consumed from the byte stream. * ******************************************************************************/ + acpi_status acpi_rs_address16_resource(u8 * byte_stream_buffer, acpi_size * bytes_consumed, @@ -83,7 +258,7 @@ acpi_rs_address16_resource(u8 * byte_stream_buffer, ACPI_FUNCTION_TRACE("rs_address16_resource"); - /* Point past the Descriptor to get the number of bytes consumed */ + /* Get the Descriptor Length field */ buffer += 1; ACPI_MOVE_16_TO_16(&temp16, buffer); @@ -113,46 +288,12 @@ acpi_rs_address16_resource(u8 * byte_stream_buffer, /* Get the General Flags (Byte4) */ buffer += 1; - temp8 = *buffer; - - /* Producer / Consumer */ - - output_struct->data.address16.producer_consumer = temp8 & 0x01; - - /* Decode */ - - output_struct->data.address16.decode = (temp8 >> 1) & 0x01; - - /* Min Address Fixed */ - - output_struct->data.address16.min_address_fixed = (temp8 >> 2) & 0x01; - - /* Max Address Fixed */ - - output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01; + acpi_rs_decode_general_flags(&output_struct->data, *buffer); /* Get the Type Specific Flags (Byte5) */ buffer += 1; - temp8 = *buffer; - - if (ACPI_MEMORY_RANGE == output_struct->data.address16.resource_type) { - output_struct->data.address16.attribute.memory. - read_write_attribute = (u16) (temp8 & 0x01); - output_struct->data.address16.attribute.memory.cache_attribute = - (u16) ((temp8 >> 1) & 0x03); - } else { - if (ACPI_IO_RANGE == - output_struct->data.address16.resource_type) { - output_struct->data.address16.attribute.io. - range_attribute = (u16) (temp8 & 0x03); - output_struct->data.address16.attribute.io. - translation_attribute = (u16) ((temp8 >> 4) & 0x03); - } else { - /* BUS_NUMBER_RANGE == Address16.Data->resource_type */ - /* Nothing needs to be filled in */ - } - } + acpi_rs_decode_specific_flags(&output_struct->data, *buffer); /* Get Granularity (Bytes 6-7) */ @@ -200,9 +341,8 @@ acpi_rs_address16_resource(u8 * byte_stream_buffer, if (*bytes_consumed > (16 + 1)) { /* Dereference the Index */ - temp8 = *buffer; output_struct->data.address16.resource_source.index = - (u32) temp8; + (u32) * buffer; /* Point to the String */ @@ -216,22 +356,20 @@ acpi_rs_address16_resource(u8 * byte_stream_buffer, temp_ptr = (u8 *) output_struct->data.address16.resource_source.string_ptr; - /* Copy the string into the buffer */ + /* Copy the resource_source string into the buffer */ index = 0; - - while (0x00 != *buffer) { + while (*buffer) { *temp_ptr = *buffer; - temp_ptr += 1; - buffer += 1; - index += 1; + temp_ptr++; + buffer++; + index++; } - /* Add the terminating null */ - - *temp_ptr = 0x00; + /* Add the terminating null and set the string length */ + *temp_ptr = 0; output_struct->data.address16.resource_source.string_length = index + 1; @@ -243,7 +381,7 @@ acpi_rs_address16_resource(u8 * byte_stream_buffer, temp8 = (u8) (index + 1); struct_size += ACPI_ROUND_UP_to_32_bITS(temp8); } else { - output_struct->data.address16.resource_source.index = 0x00; + output_struct->data.address16.resource_source.index = 0; output_struct->data.address16.resource_source.string_length = 0; output_struct->data.address16.resource_source.string_ptr = NULL; } @@ -280,15 +418,13 @@ acpi_rs_address16_stream(struct acpi_resource *linked_list, { u8 *buffer = *output_buffer; u8 *length_field; - u8 temp8; - char *temp_pointer = NULL; acpi_size actual_bytes; ACPI_FUNCTION_TRACE("rs_address16_stream"); - /* The descriptor field is static */ + /* Set the Descriptor Type field */ - *buffer = 0x88; + *buffer = ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE; buffer += 1; /* Save a pointer to the Length field - to be filled in later */ @@ -298,43 +434,17 @@ acpi_rs_address16_stream(struct acpi_resource *linked_list, /* Set the Resource Type (Memory, Io, bus_number) */ - temp8 = (u8) (linked_list->data.address16.resource_type & 0x03); - *buffer = temp8; + *buffer = (u8) (linked_list->data.address16.resource_type & 0x03); buffer += 1; /* Set the general flags */ - temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01); - - temp8 |= (linked_list->data.address16.decode & 0x01) << 1; - temp8 |= (linked_list->data.address16.min_address_fixed & 0x01) << 2; - temp8 |= (linked_list->data.address16.max_address_fixed & 0x01) << 3; - - *buffer = temp8; + *buffer = acpi_rs_encode_general_flags(&linked_list->data); buffer += 1; /* Set the type specific flags */ - temp8 = 0; - - if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) { - temp8 = (u8) - (linked_list->data.address16.attribute.memory. - read_write_attribute & 0x01); - - temp8 |= - (linked_list->data.address16.attribute.memory. - cache_attribute & 0x03) << 1; - } else if (ACPI_IO_RANGE == linked_list->data.address16.resource_type) { - temp8 = (u8) - (linked_list->data.address16.attribute.io.range_attribute & - 0x03); - temp8 |= - (linked_list->data.address16.attribute.io. - translation_attribute & 0x03) << 4; - } - - *buffer = temp8; + *buffer = acpi_rs_encode_specific_flags(&linked_list->data); buffer += 1; /* Set the address space granularity */ @@ -368,22 +478,19 @@ acpi_rs_address16_stream(struct acpi_resource *linked_list, /* Resource Source Index and Resource Source are optional */ - if (0 != linked_list->data.address16.resource_source.string_length) { - temp8 = (u8) linked_list->data.address16.resource_source.index; - - *buffer = temp8; + if (linked_list->data.address16.resource_source.string_length) { + *buffer = + (u8) linked_list->data.address16.resource_source.index; buffer += 1; - temp_pointer = (char *)buffer; - - /* Copy the string */ + /* Copy the resource_source string */ - ACPI_STRCPY(temp_pointer, + ACPI_STRCPY((char *)buffer, linked_list->data.address16.resource_source. string_ptr); /* - * Buffer needs to be set to the length of the sting + one for the + * Buffer needs to be set to the length of the string + one for the * terminating null */ buffer += @@ -432,20 +539,18 @@ acpi_rs_address32_resource(u8 * byte_stream_buffer, acpi_size * bytes_consumed, u8 ** output_buffer, acpi_size * structure_size) { - u8 *buffer; - struct acpi_resource *output_struct = (void *)*output_buffer; u16 temp16; u8 temp8; u8 *temp_ptr; - acpi_size struct_size; 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"); - buffer = byte_stream_buffer; - struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_address32); - - /* Point past the Descriptor to get the number of bytes consumed */ + /* Get the Descriptor Length field */ buffer += 1; ACPI_MOVE_16_TO_16(&temp16, buffer); @@ -475,47 +580,12 @@ acpi_rs_address32_resource(u8 * byte_stream_buffer, /* Get the General Flags (Byte4) */ buffer += 1; - temp8 = *buffer; - - /* Producer / Consumer */ - - output_struct->data.address32.producer_consumer = temp8 & 0x01; - - /* Decode */ - - output_struct->data.address32.decode = (temp8 >> 1) & 0x01; - - /* Min Address Fixed */ - - output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01; - - /* Max Address Fixed */ - - output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01; + acpi_rs_decode_general_flags(&output_struct->data, *buffer); /* Get the Type Specific Flags (Byte5) */ buffer += 1; - temp8 = *buffer; - - if (ACPI_MEMORY_RANGE == output_struct->data.address32.resource_type) { - output_struct->data.address32.attribute.memory. - read_write_attribute = (u16) (temp8 & 0x01); - - output_struct->data.address32.attribute.memory.cache_attribute = - (u16) ((temp8 >> 1) & 0x03); - } else { - if (ACPI_IO_RANGE == - output_struct->data.address32.resource_type) { - output_struct->data.address32.attribute.io. - range_attribute = (u16) (temp8 & 0x03); - output_struct->data.address32.attribute.io. - translation_attribute = (u16) ((temp8 >> 4) & 0x03); - } else { - /* BUS_NUMBER_RANGE == output_struct->Data.Address32.resource_type */ - /* Nothing needs to be filled in */ - } - } + acpi_rs_decode_specific_flags(&output_struct->data, *buffer); /* Get Granularity (Bytes 6-9) */ @@ -561,9 +631,8 @@ acpi_rs_address32_resource(u8 * byte_stream_buffer, if (*bytes_consumed > (26 + 1)) { /* Dereference the Index */ - temp8 = *buffer; output_struct->data.address32.resource_source.index = - (u32) temp8; + (u32) * buffer; /* Point to the String */ @@ -577,20 +646,20 @@ acpi_rs_address32_resource(u8 * byte_stream_buffer, temp_ptr = (u8 *) output_struct->data.address32.resource_source.string_ptr; - /* Copy the string into the buffer */ + /* Copy the resource_source string into the buffer */ index = 0; - while (0x00 != *buffer) { + while (*buffer) { *temp_ptr = *buffer; - temp_ptr += 1; - buffer += 1; - index += 1; + temp_ptr++; + buffer++; + index++; } - /* Add the terminating null */ + /* Add the terminating null and set the string length */ - *temp_ptr = 0x00; + *temp_ptr = 0; output_struct->data.address32.resource_source.string_length = index + 1; @@ -602,7 +671,7 @@ acpi_rs_address32_resource(u8 * byte_stream_buffer, temp8 = (u8) (index + 1); struct_size += ACPI_ROUND_UP_to_32_bITS(temp8); } else { - output_struct->data.address32.resource_source.index = 0x00; + 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; } @@ -639,62 +708,34 @@ acpi_rs_address32_stream(struct acpi_resource *linked_list, { u8 *buffer; u16 *length_field; - u8 temp8; - char *temp_pointer; ACPI_FUNCTION_TRACE("rs_address32_stream"); buffer = *output_buffer; - /* The descriptor field is static */ + /* Set the Descriptor Type field */ - *buffer = 0x87; + *buffer = ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE; buffer += 1; - /* Set a pointer to the Length field - to be filled in later */ + /* 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) */ - temp8 = (u8) (linked_list->data.address32.resource_type & 0x03); - - *buffer = temp8; + *buffer = (u8) (linked_list->data.address32.resource_type & 0x03); buffer += 1; /* Set the general flags */ - temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01); - temp8 |= (linked_list->data.address32.decode & 0x01) << 1; - temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2; - temp8 |= (linked_list->data.address32.max_address_fixed & 0x01) << 3; - - *buffer = temp8; + *buffer = acpi_rs_encode_general_flags(&linked_list->data); buffer += 1; /* Set the type specific flags */ - temp8 = 0; - - if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) { - temp8 = (u8) - (linked_list->data.address32.attribute.memory. - read_write_attribute & 0x01); - - temp8 |= - (linked_list->data.address32.attribute.memory. - cache_attribute & 0x03) << 1; - } else if (ACPI_IO_RANGE == linked_list->data.address32.resource_type) { - temp8 = (u8) - (linked_list->data.address32.attribute.io.range_attribute & - 0x03); - temp8 |= - (linked_list->data.address32.attribute.io. - translation_attribute & 0x03) << 4; - } - - *buffer = temp8; + *buffer = acpi_rs_encode_specific_flags(&linked_list->data); buffer += 1; /* Set the address space granularity */ @@ -728,22 +769,19 @@ acpi_rs_address32_stream(struct acpi_resource *linked_list, /* Resource Source Index and Resource Source are optional */ - if (0 != linked_list->data.address32.resource_source.string_length) { - temp8 = (u8) linked_list->data.address32.resource_source.index; - - *buffer = temp8; + if (linked_list->data.address32.resource_source.string_length) { + *buffer = + (u8) linked_list->data.address32.resource_source.index; buffer += 1; - temp_pointer = (char *)buffer; - - /* Copy the string */ + /* Copy the resource_source string */ - ACPI_STRCPY(temp_pointer, + ACPI_STRCPY((char *)buffer, linked_list->data.address32.resource_source. string_ptr); /* - * Buffer needs to be set to the length of the sting + one for the + * Buffer needs to be set to the length of the string + one for the * terminating null */ buffer += @@ -758,7 +796,7 @@ acpi_rs_address32_stream(struct acpi_resource *linked_list, /* * Set the length field to the number of bytes consumed - * minus the header size (3 bytes) + * minus the header size (3 bytes) */ *length_field = (u16) (*bytes_consumed - 3); return_ACPI_STATUS(AE_OK); @@ -790,22 +828,23 @@ acpi_rs_address64_resource(u8 * byte_stream_buffer, acpi_size * bytes_consumed, u8 ** output_buffer, acpi_size * structure_size) { - u8 *buffer; - struct acpi_resource *output_struct = (void *)*output_buffer; u16 temp16; u8 temp8; u8 resource_type; u8 *temp_ptr; - acpi_size struct_size; 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"); - buffer = byte_stream_buffer; - struct_size = ACPI_SIZEOF_RESOURCE(struct acpi_resource_address64); + /* Get the Descriptor Type */ + resource_type = *buffer; - /* Point past the Descriptor to get the number of bytes consumed */ + /* Get the Descriptor Length field */ buffer += 1; ACPI_MOVE_16_TO_16(&temp16, buffer); @@ -835,47 +874,12 @@ acpi_rs_address64_resource(u8 * byte_stream_buffer, /* Get the General Flags (Byte4) */ buffer += 1; - temp8 = *buffer; - - /* Producer / Consumer */ - - output_struct->data.address64.producer_consumer = temp8 & 0x01; - - /* Decode */ - - output_struct->data.address64.decode = (temp8 >> 1) & 0x01; - - /* Min Address Fixed */ - - output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01; - - /* Max Address Fixed */ - - output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01; + acpi_rs_decode_general_flags(&output_struct->data, *buffer); /* Get the Type Specific Flags (Byte5) */ buffer += 1; - temp8 = *buffer; - - if (ACPI_MEMORY_RANGE == output_struct->data.address64.resource_type) { - output_struct->data.address64.attribute.memory. - read_write_attribute = (u16) (temp8 & 0x01); - - output_struct->data.address64.attribute.memory.cache_attribute = - (u16) ((temp8 >> 1) & 0x03); - } else { - if (ACPI_IO_RANGE == - output_struct->data.address64.resource_type) { - output_struct->data.address64.attribute.io. - range_attribute = (u16) (temp8 & 0x03); - output_struct->data.address64.attribute.io. - translation_attribute = (u16) ((temp8 >> 4) & 0x03); - } else { - /* BUS_NUMBER_RANGE == output_struct->Data.Address64.resource_type */ - /* Nothing needs to be filled in */ - } - } + 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 */ @@ -912,7 +916,7 @@ acpi_rs_address64_resource(u8 * byte_stream_buffer, ACPI_MOVE_64_TO_64(&output_struct->data.address64.address_length, buffer); - output_struct->data.address64.resource_source.index = 0x00; + 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; @@ -942,9 +946,8 @@ acpi_rs_address64_resource(u8 * byte_stream_buffer, if (*bytes_consumed > (46 + 1)) { /* Dereference the Index */ - temp8 = *buffer; output_struct->data.address64.resource_source.index = - (u32) temp8; + (u32) * buffer; /* Point to the String */ @@ -960,21 +963,21 @@ acpi_rs_address64_resource(u8 * byte_stream_buffer, output_struct->data.address64.resource_source. string_ptr; - /* Copy the string into the buffer */ + /* Copy the resource_source string into the buffer */ index = 0; - while (0x00 != *buffer) { + while (*buffer) { *temp_ptr = *buffer; - temp_ptr += 1; - buffer += 1; - index += 1; + temp_ptr++; + buffer++; + index++; } /* - * Add the terminating null + * Add the terminating null and set the string length */ - *temp_ptr = 0x00; + *temp_ptr = 0; output_struct->data.address64.resource_source. string_length = index + 1; @@ -1020,62 +1023,34 @@ acpi_rs_address64_stream(struct acpi_resource *linked_list, { u8 *buffer; u16 *length_field; - u8 temp8; - char *temp_pointer; ACPI_FUNCTION_TRACE("rs_address64_stream"); buffer = *output_buffer; - /* The descriptor field is static */ + /* Set the Descriptor Type field */ - *buffer = 0x8A; + *buffer = ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE; buffer += 1; - /* Set a pointer to the Length field - to be filled in later */ + /* 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) */ - temp8 = (u8) (linked_list->data.address64.resource_type & 0x03); - - *buffer = temp8; + *buffer = (u8) (linked_list->data.address64.resource_type & 0x03); buffer += 1; /* Set the general flags */ - temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01); - temp8 |= (linked_list->data.address64.decode & 0x01) << 1; - temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2; - temp8 |= (linked_list->data.address64.max_address_fixed & 0x01) << 3; - - *buffer = temp8; + *buffer = acpi_rs_encode_general_flags(&linked_list->data); buffer += 1; /* Set the type specific flags */ - temp8 = 0; - - if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) { - temp8 = (u8) - (linked_list->data.address64.attribute.memory. - read_write_attribute & 0x01); - - temp8 |= - (linked_list->data.address64.attribute.memory. - cache_attribute & 0x03) << 1; - } else if (ACPI_IO_RANGE == linked_list->data.address64.resource_type) { - temp8 = (u8) - (linked_list->data.address64.attribute.io.range_attribute & - 0x03); - temp8 |= - (linked_list->data.address64.attribute.io.range_attribute & - 0x03) << 4; - } - - *buffer = temp8; + *buffer = acpi_rs_encode_specific_flags(&linked_list->data); buffer += 1; /* Set the address space granularity */ @@ -1109,22 +1084,19 @@ acpi_rs_address64_stream(struct acpi_resource *linked_list, /* Resource Source Index and Resource Source are optional */ - if (0 != linked_list->data.address64.resource_source.string_length) { - temp8 = (u8) linked_list->data.address64.resource_source.index; - - *buffer = temp8; + if (linked_list->data.address64.resource_source.string_length) { + *buffer = + (u8) linked_list->data.address64.resource_source.index; buffer += 1; - temp_pointer = (char *)buffer; - - /* Copy the string */ + /* Copy the resource_source string */ - ACPI_STRCPY(temp_pointer, + ACPI_STRCPY((char *)buffer, linked_list->data.address64.resource_source. string_ptr); /* - * Buffer needs to be set to the length of the sting + one for the + * Buffer needs to be set to the length of the string + one for the * terminating null */ buffer += |