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