X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fx86_64%2Fia32%2Fsys_ia32.c;fp=arch%2Fx86_64%2Fia32%2Fsys_ia32.c;h=f3d4615d63db5806196119c8c16442d6b76af831;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=49bfe957c9a04f1c4fef1d33f9cb9bd9796d3e78;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c index 49bfe957c..f3d4615d6 100644 --- a/arch/x86_64/ia32/sys_ia32.c +++ b/arch/x86_64/ia32/sys_ia32.c @@ -20,6 +20,7 @@ * This should be fixed. */ +#include #include #include #include @@ -29,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -76,8 +78,6 @@ int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf) { - compat_ino_t ino; - typeof(ubuf->st_uid) uid = 0; typeof(ubuf->st_gid) gid = 0; SET_UID(uid, kbuf->uid); @@ -86,12 +86,9 @@ int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf) return -EOVERFLOW; if (kbuf->size >= 0x7fffffff) return -EOVERFLOW; - ino = kbuf->ino; - if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino) - return -EOVERFLOW; if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) || __put_user (old_encode_dev(kbuf->dev), &ubuf->st_dev) || - __put_user (ino, &ubuf->st_ino) || + __put_user (kbuf->ino, &ubuf->st_ino) || __put_user (kbuf->mode, &ubuf->st_mode) || __put_user (kbuf->nlink, &ubuf->st_nlink) || __put_user (uid, &ubuf->st_uid) || @@ -434,12 +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 @@ -513,6 +522,19 @@ sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) return compat_sys_wait4(pid, stat_addr, options, NULL); } +int sys32_ni_syscall(int call) +{ + 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. */ asmlinkage long @@ -758,6 +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) @@ -910,7 +1008,7 @@ long sys32_vm86_warning(void) struct task_struct *me = current; static char lastcomm[sizeof(me->comm)]; if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) { - compat_printk(KERN_INFO "%s: vm86 mode not supported on 64 bit kernel\n", + printk(KERN_INFO "%s: vm86 mode not supported on 64 bit kernel\n", me->comm); strncpy(lastcomm, me->comm, sizeof(lastcomm)); } @@ -923,3 +1021,13 @@ long sys32_lookup_dcookie(u32 addr_low, u32 addr_high, return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len); } +static int __init ia32_init (void) +{ + printk("IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $\n"); + return 0; +} + +__initcall(ia32_init); + +extern unsigned long ia32_sys_call_table[]; +EXPORT_SYMBOL(ia32_sys_call_table);