Landfall

Annotated pkg/landfall-examples/msc_block_server/msc_region_operations.h

273:8f6ff113d000
8 months ago Paul Boddie Removed debugging output. cpm-library-improvements
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/*
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 * Access to memory cards.
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 *
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 * Copyright (C) 2023, 2024 Paul Boddie <paul@boddie.org.uk>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 * published by the Free Software Foundation; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
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 * Boston, MA  02110-1301, USA
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 */
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#pragma once
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#include <mutex>
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#include <l4/devices/boot.h>
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#include <l4/devices/dma.h>
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#include <l4/devices/msc-common.h>
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#include <systypes/base.h>
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#ifdef __cplusplus
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class MscRegionOperations
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{
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protected:
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  std::mutex _lock;
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  Msc_channel *_msc_channel;
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  uint8_t _card;
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  struct dma_region _region;
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public:
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  explicit MscRegionOperations(Msc_channel *msc_channel, uint8_t card,
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                               struct dma_region region);
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  long get_partition(uint8_t partition, uint32_t *start_block,
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                     uint32_t *num_blocks);
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  long read_partition_table(struct partition_table_entry **entry);
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  void read(l4_addr_t vaddr, l4re_dma_space_dma_addr_t paddr, offset_t pos,
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            offset_t size);
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  void write(l4_addr_t vaddr, l4re_dma_space_dma_addr_t paddr, offset_t pos,
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             offset_t size);
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};
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#endif /* __cplusplus */