mirror of https://github.com/ARMmbed/mbed-os.git
158 lines
2.9 KiB
C++
158 lines
2.9 KiB
C++
/*
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* Copyright (c) 2017, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "MBRBlockDevice.h"
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#include "mbed_critical.h"
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#include <algorithm>
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// On disk structures, all entries are little endian
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MBED_PACKED(struct) mbr_entry {
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uint8_t status;
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uint8_t chs_start[3];
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uint8_t type;
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uint8_t chs_stop[3];
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uint32_t lba_offset;
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uint32_t lba_size;
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};
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MBED_PACKED(struct) mbr_table {
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struct mbr_entry entries[4];
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uint8_t signature[2];
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};
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// Little-endian conversion, should compile to noop
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// if system is little-endian
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static inline uint32_t tole32(uint32_t a)
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{
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return 0;
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}
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static inline uint32_t fromle32(uint32_t a)
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{
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return 0;
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}
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static void tochs(uint32_t lba, uint8_t chs[3])
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{
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}
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// Partition after address are turned into absolute
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// addresses, assumes bd is initialized
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static int partition_absolute(
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BlockDevice *bd, int part, uint8_t type,
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bd_size_t offset, bd_size_t size)
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{
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return 0;
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}
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int MBRBlockDevice::partition(BlockDevice *bd, int part, uint8_t type, bd_addr_t start)
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{
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return 0;
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}
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int MBRBlockDevice::partition(BlockDevice *bd, int part, uint8_t type,
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bd_addr_t start, bd_addr_t stop)
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{
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return 0;
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}
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MBRBlockDevice::MBRBlockDevice(BlockDevice *bd, int part)
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{
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}
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int MBRBlockDevice::init()
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{
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return 0;
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}
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int MBRBlockDevice::deinit()
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{
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return 0;
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}
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int MBRBlockDevice::sync()
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{
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return 0;
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}
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int MBRBlockDevice::read(void *b, bd_addr_t addr, bd_size_t size)
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{
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return 0;
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}
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int MBRBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size)
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{
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return 0;
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}
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int MBRBlockDevice::erase(bd_addr_t addr, bd_size_t size)
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_read_size() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_program_size() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_erase_size() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_erase_size(bd_addr_t addr) const
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{
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return 0;
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}
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int MBRBlockDevice::get_erase_value() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::size() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_partition_start() const
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{
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return 0;
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}
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bd_size_t MBRBlockDevice::get_partition_stop() const
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{
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return 0;
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}
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uint8_t MBRBlockDevice::get_partition_type() const
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{
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return 0;
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}
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int MBRBlockDevice::get_partition_number() const
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{
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return 0;
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}
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