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/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_BUFFER_POOL_H
#define INCLUDED_BUFFER_POOL_H
#include "memory_map.h"
// Buffer Pool Management
// define to have common buffer operations inlined
#define INLINE_BUFFER_POOL 1
void bp_init(void);
#ifndef INLINE_BUFFER_POOL
void bp_clear_buf(int bufnum);
void bp_disable_port(int portnum);
void bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll);
void bp_send_from_buf(int bufnum, int port, int step, int fl, int ll);
#else
static inline void
bp_clear_buf(int bufnum)
{
buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR;
}
static inline void
bp_disable_port(int portnum)
{
// disable buffer connections to this port
buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum);
}
static inline void
bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll)
{
buffer_pool_ctrl->ctrl = (BPC_READ
| BPC_BUFFER(bufnum)
| BPC_PORT(port)
| BPC_STEP(step)
| BPC_FIRST_LINE(fl)
| BPC_LAST_LINE(ll));
}
static inline void
bp_send_from_buf(int bufnum, int port, int step, int fl, int ll)
{
buffer_pool_ctrl->ctrl = (BPC_WRITE
| BPC_BUFFER(bufnum)
| BPC_PORT(port)
| BPC_STEP(step)
| BPC_FIRST_LINE(fl)
| BPC_LAST_LINE(ll));
}
#endif
#endif
|
