78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
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/*
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* hl_api.h -- provide high-level API for Hostlink IO.
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*
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* Copyright (c) 2024 Synopsys Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*
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*/
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#include <stdint.h>
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#include "hl_toolchain.h"
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#ifndef _HL_API_H
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#define _HL_API_H
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#define HL_SYSCALL_OPEN 0
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#define HL_SYSCALL_CLOSE 1
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#define HL_SYSCALL_READ 2
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#define HL_SYSCALL_WRITE 3
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#define HL_SYSCALL_LSEEK 4
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#define HL_SYSCALL_UNLINK 5
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#define HL_SYSCALL_ISATTY 6
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#define HL_SYSCALL_TMPNAM 7
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#define HL_SYSCALL_GETENV 8
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#define HL_SYSCALL_CLOCK 9
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#define HL_SYSCALL_TIME 10
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#define HL_SYSCALL_RENAME 11
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#define HL_SYSCALL_ARGC 12
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#define HL_SYSCALL_ARGV 13
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#define HL_SYSCALL_RETCODE 14
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#define HL_SYSCALL_ACCESS 15
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#define HL_SYSCALL_GETPID 16
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#define HL_SYSCALL_GETCWD 17
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#define HL_SYSCALL_USER 18
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#define HL_GNUIO_EXT_VENDOR_ID 1025
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#define HL_GNUIO_EXT_FSTAT 1
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/*
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* Main functions to work with regular syscalls and user-defined hostlink
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* messages.
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*/
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volatile __uncached char *_hl_message (uint32_t syscall,
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const char *format, ...);
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uint32_t _user_hostlink (uint32_t vendor, uint32_t opcode,
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const char *format, ...);
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/* Fuctions for direct work with the Hostlink buffer. */
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volatile __uncached char *_hl_pack_int (volatile __uncached char *p,
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uint32_t x);
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volatile __uncached char *_hl_pack_ptr (volatile __uncached char *p,
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const void *s, uint16_t len);
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volatile __uncached char *_hl_pack_str (volatile __uncached char *p,
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const char *s);
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volatile __uncached char *_hl_unpack_int (volatile __uncached char *p,
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uint32_t *x);
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volatile __uncached char *_hl_unpack_ptr (volatile __uncached char *p,
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void *s, uint32_t *plen);
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volatile __uncached char *_hl_unpack_str (volatile __uncached char *p,
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char *s);
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uint32_t _hl_get_ptr_len (volatile __uncached char *p);
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/* Low-level functions from hl_gw. */
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extern uint32_t _hl_iochunk_size (void);
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extern void _hl_delete (void);
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#endif /* !_HL_API_H */
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