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63 lines
2.1 KiB
63 lines
2.1 KiB
/* |
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* Console support for hndrte. |
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* |
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* Copyright (C) 1999-2013, Broadcom Corporation |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* $Id: hndrte_cons.h 383834 2013-02-07 23:21:51Z $ |
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*/ |
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#ifndef _HNDRTE_CONS_H |
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#define _HNDRTE_CONS_H |
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#include <typedefs.h> |
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#define CBUF_LEN (128) |
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#define LOG_BUF_LEN 1024 |
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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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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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/* 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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/* 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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hndrte_cons_t *hndrte_get_active_cons_state(void); |
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#endif /* _HNDRTE_CONS_H */
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