mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-02-21 16:26:12 +08:00
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
|
/*
|
||
|
|
* hl_gw.h -- Hostlink gateway, low-level hostlink functions.
|
||
|
|
* This header should not be used directly, please use hl_api.h instead.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _HL_GW_H
|
||
|
|
#define _HL_GW_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include "hl_toolchain.h"
|
||
|
|
|
||
|
|
/* Get hostlink payload pointer and size available for using. */
|
||
|
|
volatile __uncached void *_hl_payload (void);
|
||
|
|
|
||
|
|
/* Maximum amount of data that can be sent via hostlink in one message. */
|
||
|
|
uint32_t _hl_iochunk_size (void);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* How many bytes are available in the hostlink payload buffer.
|
||
|
|
* This may be bigger than iochunk size because hostlink payload also contains
|
||
|
|
* reserved space for service information.
|
||
|
|
*/
|
||
|
|
uint32_t _hl_payload_left (volatile __uncached void *p);
|
||
|
|
|
||
|
|
/* Send and receive hostlink packet. */
|
||
|
|
void _hl_send (volatile __uncached void *p);
|
||
|
|
volatile __uncached char *_hl_recv (void);
|
||
|
|
|
||
|
|
/* Mark target2host buffer as "No message here". */
|
||
|
|
void _hl_delete (void);
|
||
|
|
|
||
|
|
#endif /* !_HL_GW_H */
|