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/*
* linux/ibcs/syslocal.c
*
* Copyright (C) 1994 Mike Jagdis (jaggy@purplet.demon.co.uk)
*
* $Id: syslocal.c,v 1.3 1996/07/26 12:03:39 mike Exp $
* $Source: /usr/CVS/ibcs/iBCSemul/syslocal.c,v $
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/segment.h>
#ifndef KERNEL_DS
#include <linux/config.h>
#endif
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>
#include <linux/fcntl.h>
#include <asm/system.h>
#include <linux/fs.h>
#include <linux/sys.h>
#include <ibcs/ibcs.h>
#ifdef IBCS_TRACE
#include <ibcs/trace.h>
#endif
/* The syslocal() call is used for machine specific functions. For
* instance on a Wyse 9000 it give information and control of the
* available processors.
*/
#ifdef EMU_WYSEMP
# define SL_ONLINE 0 /* Turn processor online */
# define SL_OFFLINE 1 /* Turn processor offline */
# define SL_QUERY 2 /* Query processor status */
# define SL_NENG 3 /* Return No. of processors configured */
# define SL_AFFINITY 4 /* processor binding */
# define SL_CMC_STAT 7 /* gather CMC performance counters info */
# define SL_KACC 8 /* make kernel data readable by user */
# define SL_MACHTYPE 9 /* return machine type (MP/AT) */
# define SL_BOOTNAME 10 /* return name of booted kernel */
# define SL_BOOTDEV 11 /* return type of booted device */
# define SL_UQUERY 12 /* query user status */
# define SL_MACH_MP 0
# define SL_MACH_AT 1
# define SL_MACH_EISA 2
# define SL_MACH_EMP 3
#endif
int
ibcs_syslocal(struct pt_regs * regs) {
int cmd;
cmd = get_syscall_parameter (regs, 0);
switch (cmd) {
#ifdef EMU_WYSEMP
case SL_QUERY:
return 0;
case SL_NENG:
return 1;
case SL_MACHTYPE:
return (EISA_bus ? SL_MACH_EISA : SL_MACH_AT);
#endif
}
#ifdef IBCS_TRACE
if ((ibcs_trace & TRACE_API) || ibcs_func_p->trace) {
printk(KERN_DEBUG "iBCS2: unsupported syslocal call %d\n", cmd);
}
#endif
return -EINVAL;
}
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