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FreeBSD's i386_get_ioperm implemented.

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This commit is contained in:
gfk
2002-04-29 23:24:14 +00:00
parent cfe1bd1a1e
commit ca70ceb048
2 changed files with 52 additions and 4 deletions
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configure.in
+11 -1
View File
@@ -83,10 +83,20 @@ AC_CHECK_LIB(kvm, kvm_open,[
dnl NetBSD, OpenBSD and FreeBSD
AC_CHECK_HEADERS(sched.h sys/sched.h sys/types.h machine/pio.h machine/sysarch.h)
AC_CHECK_LIB(i386, i386_get_ioperm)
ETR_SYSV_IPC
ETR_UNION_SEMUN
dnl i386_get_ioperm on NetBSD&OpenBSD
AC_CHECK_LIB(i386, i386_get_ioperm,
AC_DEFINE([HAVE_I386_IOPERM_NETBSD],[1],
[Define if you have the NetBSD&OpenBSD version of i386_ioperm functions.]),[
dnl i386_get_ioperm on FreeBSD
AC_CHECK_LIB(c, i386_get_ioperm,
AC_DEFINE([HAVE_I386_IOPERM_FREEBSD],[1],
[Define if you have the FreeBSD version of the i386_ioperm functions.]),
[])]
)
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
server/drivers/port.h
+41 -3
View File
@@ -83,8 +83,8 @@ static inline int port_deny_full (unsigned short int port) {
}
/* ------------------------------------------------------------- */
/* Use i386_get_ioperm, i386_set_ioperm, inb and outb from <machine/pio.h> (NetBSD) */
#elif defined HAVE_LIBI386 && defined HAVE_MACHINE_PIO_H && defined HAVE_MACHINE_SYSARCH_H
/* Use i386_get_ioperm, i386_set_ioperm, inb and outb from <machine/pio.h> (NetBSD&OpenBSD) */
#elif defined HAVE_I386_IOPERM_NETBSD && defined HAVE_MACHINE_PIO_H && defined HAVE_MACHINE_SYSARCH_H
#include <sys/types.h>
#include <machine/pio.h>
#include <machine/sysarch.h>
@@ -170,7 +170,45 @@ static inline int port_deny_full (unsigned short int port) {
return 0;
}
/* #endif // defined HAVE_LIBI386 && defined HAVE_SYS_TYPES_H && defined HAVE_MACHINE_PIO_H */
/*#endif // defined HAVE_I386_IOPERM_NETBSD && defined HAVE_MACHINE_PIO_H && defined HAVE_MACHINE_SYSARCH_H
-------------------------------------------------------------
Use i386_get_ioperm, i386_set_ioperm and ASM inb and outb from <machine/sysarch.h> (FreeBSD) */
#elif defined HAVE_I386_IOPERM_FREEBSD && defined HAVE_MACHINE_SYSARCH_H
#include <machine/sysarch.h>
/* Read a byte from port */
static inline int port_in (unsigned short int port) {
unsigned char value;
__asm__ volatile ("inb %1,%0":"=a" (value)
:"d" ((unsigned short) port));
return value;
}
/* Write a byte 'val' to port */
static inline void port_out (unsigned short int port, unsigned char val) {
__asm__ volatile ("outb %0,%1\n"::"a" (val), "d" (port)
);
}
/* Get access to a specific port */
static inline int port_access (unsigned short int port) {
return i386_set_ioperm(port, 1, 1);
}
/* Get access 3 to ports: port (CONTROL), port+1 (STATUS) and port+2 (DATA) */
static inline int port_access_full (unsigned short int port) {
return i386_set_ioperm(port, 3, 1);
}
/* Close access to a specific port */
static inline int port_deny (unsigned short int port) {
return i386_set_ioperm(port, 1, 0);
}
/* Close access to 3 ports: port (CONTROL), port+1 (STATUS) and port+2 (DATA) */
static inline int port_deny_full (unsigned short int port) {
return i386_set_ioperm(port, 3, 0);
}
/* ------------------------------------------------------------- */
/* Last chance! Use /dev/io and i386 ASM code (BSD4.3 ?) */