X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fx86_64%2Fia32%2Fsys_ia32.c;h=f3d4615d63db5806196119c8c16442d6b76af831;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=0a8fb7d4fa0dc8635f486cf64b6ed3e875343e16;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index 0a8fb7d4f..f3d4615d6 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -30,6 +30,7 @@
 #include <linux/resource.h>
 #include <linux/times.h>
 #include <linux/utsname.h>
+#include <linux/timex.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/sem.h>
@@ -430,12 +431,24 @@ put_tv32(struct compat_timeval __user *o, struct timeval *i)
 	return err; 
 }
 
-extern unsigned int alarm_setitimer(unsigned int seconds);
+extern int do_setitimer(int which, struct itimerval *, struct itimerval *);
 
 asmlinkage long
 sys32_alarm(unsigned int seconds)
 {
-	return alarm_setitimer(seconds);
+	struct itimerval it_new, it_old;
+	unsigned int oldalarm;
+
+	it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
+	it_new.it_value.tv_sec = seconds;
+	it_new.it_value.tv_usec = 0;
+	do_setitimer(ITIMER_REAL, &it_new, &it_old);
+	oldalarm = it_old.it_value.tv_sec;
+	/* ehhh.. We can't return 0 if we have an alarm pending.. */
+	/* And we'd better return too much than too little anyway */
+	if (it_old.it_value.tv_usec)
+		oldalarm++;
+	return oldalarm;
 }
 
 /* Translations due to time_t size differences.  Which affects all
@@ -510,9 +523,17 @@ sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
 }
 
 int sys32_ni_syscall(int call)
-{
-	return -ENOSYS;
-}
+{ 
+	struct task_struct *me = current;
+	static char lastcomm[sizeof(me->comm)];
+
+	if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) {
+		printk(KERN_INFO "IA32 syscall %d from %s not implemented\n",
+		       call, me->comm);
+		strncpy(lastcomm, me->comm, sizeof(lastcomm));
+	} 
+	return -ENOSYS;	       
+} 
 
 /* 32-bit timeval and related flotsam.  */
 
@@ -759,6 +780,82 @@ sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
 	return ret;
 }
 
+/* Handle adjtimex compatibility. */
+
+struct timex32 {
+	u32 modes;
+	s32 offset, freq, maxerror, esterror;
+	s32 status, constant, precision, tolerance;
+	struct compat_timeval time;
+	s32 tick;
+	s32 ppsfreq, jitter, shift, stabil;
+	s32 jitcnt, calcnt, errcnt, stbcnt;
+	s32  :32; s32  :32; s32  :32; s32  :32;
+	s32  :32; s32  :32; s32  :32; s32  :32;
+	s32  :32; s32  :32; s32  :32; s32  :32;
+};
+
+extern int do_adjtimex(struct timex *);
+
+asmlinkage long
+sys32_adjtimex(struct timex32 __user *utp)
+{
+	struct timex txc;
+	int ret;
+
+	memset(&txc, 0, sizeof(struct timex));
+
+	if (!access_ok(VERIFY_READ, utp, sizeof(struct timex32)) ||
+	   __get_user(txc.modes, &utp->modes) ||
+	   __get_user(txc.offset, &utp->offset) ||
+	   __get_user(txc.freq, &utp->freq) ||
+	   __get_user(txc.maxerror, &utp->maxerror) ||
+	   __get_user(txc.esterror, &utp->esterror) ||
+	   __get_user(txc.status, &utp->status) ||
+	   __get_user(txc.constant, &utp->constant) ||
+	   __get_user(txc.precision, &utp->precision) ||
+	   __get_user(txc.tolerance, &utp->tolerance) ||
+	   __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
+	   __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
+	   __get_user(txc.tick, &utp->tick) ||
+	   __get_user(txc.ppsfreq, &utp->ppsfreq) ||
+	   __get_user(txc.jitter, &utp->jitter) ||
+	   __get_user(txc.shift, &utp->shift) ||
+	   __get_user(txc.stabil, &utp->stabil) ||
+	   __get_user(txc.jitcnt, &utp->jitcnt) ||
+	   __get_user(txc.calcnt, &utp->calcnt) ||
+	   __get_user(txc.errcnt, &utp->errcnt) ||
+	   __get_user(txc.stbcnt, &utp->stbcnt))
+		return -EFAULT;
+
+	ret = do_adjtimex(&txc);
+
+	if (!access_ok(VERIFY_WRITE, utp, sizeof(struct timex32)) ||
+	   __put_user(txc.modes, &utp->modes) ||
+	   __put_user(txc.offset, &utp->offset) ||
+	   __put_user(txc.freq, &utp->freq) ||
+	   __put_user(txc.maxerror, &utp->maxerror) ||
+	   __put_user(txc.esterror, &utp->esterror) ||
+	   __put_user(txc.status, &utp->status) ||
+	   __put_user(txc.constant, &utp->constant) ||
+	   __put_user(txc.precision, &utp->precision) ||
+	   __put_user(txc.tolerance, &utp->tolerance) ||
+	   __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
+	   __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
+	   __put_user(txc.tick, &utp->tick) ||
+	   __put_user(txc.ppsfreq, &utp->ppsfreq) ||
+	   __put_user(txc.jitter, &utp->jitter) ||
+	   __put_user(txc.shift, &utp->shift) ||
+	   __put_user(txc.stabil, &utp->stabil) ||
+	   __put_user(txc.jitcnt, &utp->jitcnt) ||
+	   __put_user(txc.calcnt, &utp->calcnt) ||
+	   __put_user(txc.errcnt, &utp->errcnt) ||
+	   __put_user(txc.stbcnt, &utp->stbcnt))
+		ret = -EFAULT;
+
+	return ret;
+}
+
 asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags,
 	unsigned long fd, unsigned long pgoff)
@@ -933,3 +1030,4 @@ static int __init ia32_init (void)
 __initcall(ia32_init);
 
 extern unsigned long ia32_sys_call_table[];
+EXPORT_SYMBOL(ia32_sys_call_table);