diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-12-04 20:51:11 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-12-04 20:51:11 +0000 |
| commit | e56b9ff05f9151fab1101cbe097f9da876e1fd6e (patch) | |
| tree | 4d9bf69a0a53d8d61347cd5be89be863fc82def8 /sys/arch | |
| parent | 662d7a3716de6fb685e80888773e0d34c24cdc91 (diff) | |
Implement bus_space_mmap(9).
ok miod@, mpi@
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 12 | ||||
| -rw-r--r-- | sys/arch/i386/include/bus.h | 3 |
2 files changed, 13 insertions, 2 deletions
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index caab972c8d9..2e0ed22d293 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.518 2012/12/02 07:03:31 guenther Exp $ */ +/* $OpenBSD: machdep.c,v 1.519 2012/12/04 20:51:10 kettenis Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -3844,6 +3844,16 @@ bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh, return (0); } +paddr_t +bus_space_mmap(bus_space_tag_t t, bus_addr_t addr, off_t off, int prot, int flags) +{ + /* Can't mmap I/O space. */ + if (t == I386_BUS_SPACE_IO) + return (-1); + + return (addr + off); +} + #ifdef DIAGNOSTIC void splassert_check(int wantipl, const char *func) diff --git a/sys/arch/i386/include/bus.h b/sys/arch/i386/include/bus.h index 7b3515120ba..a6f92620a44 100644 --- a/sys/arch/i386/include/bus.h +++ b/sys/arch/i386/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.55 2012/09/30 10:17:46 miod Exp $ */ +/* $OpenBSD: bus.h,v 1.56 2012/12/04 20:51:10 kettenis Exp $ */ /* $NetBSD: bus.h,v 1.6 1996/11/10 03:19:25 thorpej Exp $ */ /*- @@ -101,6 +101,7 @@ void _bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_addr_t *); int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp); +paddr_t bus_space_mmap(bus_space_tag_t, bus_addr_t, off_t, int, int); int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart, bus_addr_t rend, bus_size_t size, bus_size_t align, |