diff options
Diffstat (limited to 'tools/bus_space/C/lang.c')
-rw-r--r-- | tools/bus_space/C/lang.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/tools/bus_space/C/lang.c b/tools/bus_space/C/lang.c new file mode 100644 index 000000000000..6408343bd596 --- /dev/null +++ b/tools/bus_space/C/lang.c @@ -0,0 +1,100 @@ +/*- + * Copyright (c) 2014 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <errno.h> + +#include "bus_space.h" +#include "libbus_space.h" + +int +bus_space_read_1(int rid, long ofs) +{ + uint8_t val; + + return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val); +} + +int +bus_space_read_2(int rid, long ofs) +{ + uint16_t val; + + return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val); +} + +int64_t +bus_space_read_4(int rid, long ofs) +{ + uint32_t val; + + return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int64_t)val); +} + +int +bus_space_write_1(int rid, long ofs, uint8_t val) +{ + + return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0); +} + +int +bus_space_write_2(int rid, long ofs, uint16_t val) +{ + + return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0); +} + +int +bus_space_write_4(int rid, long ofs, uint32_t val) +{ + + return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0); +} + +int +bus_space_map(const char *dev) +{ + + return (bs_map(dev)); +} + +int +bus_space_unmap(int rid) +{ + + return ((!bs_unmap(rid)) ? errno : 0); +} + +int +bus_space_subregion(int rid, long ofs, long sz) +{ + + return (bs_subregion(rid, ofs, sz)); +} |