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f676b45151
This adds a filesystem which is backed by the host's filesystem. It is modeled off of sandboxfs, which has very similar aims. Semihosting doesn't support listing directories (except with SYS_SYSTEM), so neither do we. it's possible to optimize a bit for the common case of reading a whole file by omitting a call to smh_seek, but this is left as a future optimization. Signed-off-by: Sean Anderson <sean.anderson@seco.com>
22 lines
598 B
C
22 lines
598 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2022, Sean Anderson <sean.anderson@seco.com>
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* Copyright (c) 2012, Google Inc.
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*/
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#ifndef __SEMIHOSTING_FS__
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#define __SEMIHOSTING_FS__
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struct blk_desc;
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struct disk_partition;
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int smh_fs_set_blk_dev(struct blk_desc *rbdd, struct disk_partition *info);
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void smh_fs_close(void);
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int smh_fs_size(const char *filename, loff_t *size);
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int smh_fs_read(const char *filename, void *buf, loff_t offset, loff_t len,
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loff_t *actread);
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int smh_fs_write(const char *filename, void *buf, loff_t offset,
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loff_t len, loff_t *actwrite);
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#endif
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