diff options
Diffstat (limited to 'libc/sysdeps/linux/arm')
| -rw-r--r-- | libc/sysdeps/linux/arm/Makefile | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/arm/inout_bwl.c (renamed from libc/sysdeps/linux/arm/ioperm.c) | 42 |
2 files changed, 1 insertions, 43 deletions
diff --git a/libc/sysdeps/linux/arm/Makefile b/libc/sysdeps/linux/arm/Makefile index 482d84497..a27d20856 100644 --- a/libc/sysdeps/linux/arm/Makefile +++ b/libc/sysdeps/linux/arm/Makefile @@ -36,7 +36,7 @@ CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0)) SSRC=longjmp.S setjmp.S vfork.S SOBJS=$(patsubst %.S,%.o, $(SSRC)) -CSRC=ioperm.c +CSRC=inout_bwl.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(SOBJS) $(MOBJ) $(COBJS) diff --git a/libc/sysdeps/linux/arm/ioperm.c b/libc/sysdeps/linux/arm/inout_bwl.c index bd935600c..583c77965 100644 --- a/libc/sysdeps/linux/arm/ioperm.c +++ b/libc/sysdeps/linux/arm/inout_bwl.c @@ -50,48 +50,6 @@ #define IO_ADDR(port) (IO_BASE + ((port) << IO_SHIFT)) -#define MAX_PORT 0x10000 -int ioperm(unsigned long int from, unsigned long int num, int turn_on) -{ - /* this test isn't as silly as it may look like; consider overflows! */ - if (from >= MAX_PORT || from + num > MAX_PORT) { - __set_errno (EINVAL); - return -1; - } - - if (turn_on) - { - int fd; - unsigned long int base; - - fd = open ("/dev/mem", O_RDWR); - if (fd < 0) - return -1; - - base = (unsigned long int) mmap (0, MAX_PORT << IO_SHIFT, - PROT_READ | PROT_WRITE, - MAP_SHARED, fd, IO_BASE); - close (fd); - if ((long) base == -1) - return -1; - } - - return 0; -} - - -int iopl (unsigned int level) -{ - if (level > 3) { - __set_errno (EINVAL); - return -1; - } - if (level) { - return ioperm (0, MAX_PORT, 1); - } - return 0; -} - void outb (unsigned char b, unsigned long int port) { *((volatile unsigned char *)(IO_ADDR (port))) = b; |