64 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Console support for hndrte.
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|  *
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|  * Copyright (C) 1999-2010, Broadcom Corporation
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|  * 
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|  *      Unless you and Broadcom execute a separate written software license
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|  * agreement governing use of this software, this software is licensed to you
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|  * under the terms of the GNU General Public License version 2 (the "GPL"),
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|  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
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|  * following added to such license:
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|  * 
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|  *      As a special exception, the copyright holders of this software give you
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|  * permission to link this software with independent modules, and to copy and
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|  * distribute the resulting executable under terms of your choice, provided that
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|  * you also meet, for each linked independent module, the terms and conditions of
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|  * the license of that module.  An independent module is a module which is not
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|  * derived from this software.  The special exception does not apply to any
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|  * modifications of the software.
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|  * 
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|  *      Notwithstanding the above, under no circumstances may you combine this
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|  * software in any way with any other Broadcom software provided under a license
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|  * other than the GPL, without Broadcom's express prior written consent.
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|  *
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|  * $Id: hndrte_cons.h,v 13.1.2.4 2010/07/15 19:06:11 Exp $
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|  */
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| 
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| #include <typedefs.h>
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| 
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| #define CBUF_LEN	(128)
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| 
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| #define LOG_BUF_LEN	1024
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| 
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| typedef struct {
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| 	uint32		buf;		/* Can't be pointer on (64-bit) hosts */
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| 	uint		buf_size;
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| 	uint		idx;
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| 	char		*_buf_compat;	/* Redundant pointer for backward compat. */
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| } hndrte_log_t;
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| 
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| typedef struct {
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| 	/* Virtual UART
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| 	 *   When there is no UART (e.g. Quickturn), the host should write a complete
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| 	 *   input line directly into cbuf and then write the length into vcons_in.
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| 	 *   This may also be used when there is a real UART (at risk of conflicting with
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| 	 *   the real UART).  vcons_out is currently unused.
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| 	 */
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| 	volatile uint	vcons_in;
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| 	volatile uint	vcons_out;
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| 
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| 	/* Output (logging) buffer
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| 	 *   Console output is written to a ring buffer log_buf at index log_idx.
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| 	 *   The host may read the output when it sees log_idx advance.
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| 	 *   Output will be lost if the output wraps around faster than the host polls.
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| 	 */
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| 	hndrte_log_t	log;
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| 
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| 	/* Console input line buffer
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| 	 *   Characters are read one at a time into cbuf until <CR> is received, then
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| 	 *   the buffer is processed as a command line.  Also used for virtual UART.
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| 	 */
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| 	uint		cbuf_idx;
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| 	char		cbuf[CBUF_LEN];
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| } hndrte_cons_t;
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