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included modified version of M.Dolze's patch patch_drivers_port from his web site

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marschap
2005-04-06 15:30:25 +00:00
parent 941fb5598a
commit 99e4ddabfe
1 changed files with 11 additions and 0 deletions
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server/drivers/port.h
+11
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@@ -230,6 +230,8 @@ Use i386_get_ioperm, i386_set_ioperm from <machine/sysarch.h> and inb and outb f
#include <machine/cpufunc.h> #include <machine/cpufunc.h>
#include <machine/sysarch.h> #include <machine/sysarch.h>
static FILE * port_access_handle = NULL;
/* Read a byte from port */ /* Read a byte from port */
static inline int port_in (unsigned short port) { static inline int port_in (unsigned short port) {
return inb(port); return inb(port);
@@ -247,7 +249,16 @@ static inline int port_access (unsigned short port) {
/* Get access to multiple ports at once */ /* Get access to multiple ports at once */
static inline int port_access_multiple (unsigned short port, unsigned short count) { static inline int port_access_multiple (unsigned short port, unsigned short count) {
#if (__FreeBSD_version > 500000)
if( port_access_handle
|| (port_access_handle = fopen("/dev/io", "rw")) != NULL ) {
return i386_set_ioperm(port, count, 1); return i386_set_ioperm(port, count, 1);
} else {
return( -1 ); /* Failure */
};
#else
return i386_set_ioperm(port, count, 1);
#endif
} }
/* Close access to a specific port */ /* Close access to a specific port */