diff options
Diffstat (limited to 'firmware/microblaze/lib/buffer_pool.c')
-rw-r--r-- | firmware/microblaze/lib/buffer_pool.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/buffer_pool.c b/firmware/microblaze/lib/buffer_pool.c new file mode 100644 index 000000000..77e7c5213 --- /dev/null +++ b/firmware/microblaze/lib/buffer_pool.c @@ -0,0 +1,72 @@ +/* + * 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/>. + */ + +#include "memory_map.h" +#include "buffer_pool.h" +#include "hal_io.h" + +void +bp_init(void) +{ + int i; + bp_disable_port(PORT_SERDES); + bp_disable_port(PORT_DSP); + bp_disable_port(PORT_ETH); + bp_disable_port(PORT_RAM); + + for (i = 0; i < NBUFFERS; i++) + bp_clear_buf(i); +} + +#ifndef INLINE_BUFFER_POOL + +void +bp_clear_buf(int bufnum) +{ + buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR; +} + +void +bp_disable_port(int portnum) +{ + // disable buffer connections to this port + buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum); +} + +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)); +} + +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 |