Provide for I/O space access on NetBSD.

Signed-off-by: Jonathan Kollasch <jakllsch@kollasch.net>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5982 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jonathan Kollasch 2010-10-24 14:10:35 +00:00 committed by Jonathan A. Kollasch
parent 3f91d813ef
commit 51ac8382dc
2 changed files with 52 additions and 0 deletions

View File

@ -46,6 +46,9 @@ CFLAGS = -O2 -Wall -Werror -Wstrict-prototypes -Wundef -Wstrict-aliasing \
LDFLAGS += -L/usr/local/lib
LIBS = -lz
endif
ifeq ($(OS_ARCH), NetBSD)
LDFLAGS = -l$(shell uname -p)
endif
# Support for PCI-attached "Super I/Os" (e.g. in VIA VT82686A/B).
CONFIG_PCI = yes

View File

@ -59,6 +59,55 @@
#define INL inl
#endif
#if defined(__NetBSD__) && defined(__i386__) || defined(__x86_64__)
#include <sys/types.h>
#include <machine/sysarch.h>
#if defined(__i386__)
#define iopl i386_iopl
#elif defined(__x86_64__)
#define iopl x86_64_iopl
#endif
static __inline__ void
outb(uint8_t value, uint16_t port)
{
__asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
}
static __inline__ void
outw(uint16_t value, uint16_t port)
{
__asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
}
static __inline__ void
outl(uint32_t value, uint16_t port)
{
__asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
}
static __inline__ uint8_t inb(uint16_t port)
{
uint8_t value;
__asm__ __volatile__ ("inb %w1,%0":"=a" (value):"Nd" (port));
return value;
}
static __inline__ uint16_t inw(uint16_t port)
{
uint16_t value;
__asm__ __volatile__ ("inw %w1,%0":"=a" (value):"Nd" (port));
return value;
}
static __inline__ uint32_t inl(uint16_t port)
{
uint32_t value;
__asm__ __volatile__ ("inl %1,%0":"=a" (value):"Nd" (port));
return value;
}
#endif
#define USAGE "Usage: superiotool [-d] [-e] [-l] [-V] [-v] [-h]\n\n\
-d | --dump Dump Super I/O register contents\n\
-e | --extra-dump Dump secondary registers too (e.g. EC registers)\n\