-/* $Id: process.c,v 1.17 2004/04/05 13:53:48 starvik Exp $
+/* $Id: process.c,v 1.21 2005/03/04 08:16:17 starvik Exp $
*
* linux/arch/cris/kernel/process.c
*
* Authors: Bjorn Wesen (bjornw@axis.com)
*
* $Log: process.c,v $
+ * Revision 1.21 2005/03/04 08:16:17 starvik
+ * Merge of Linux 2.6.11.
+ *
+ * Revision 1.20 2005/01/18 05:57:22 starvik
+ * Renamed hlt_counter to cris_hlt_counter and made it global.
+ *
+ * Revision 1.19 2004/10/19 13:07:43 starvik
+ * Merge of Linux 2.6.9
+ *
+ * Revision 1.18 2004/08/16 12:37:23 starvik
+ * Merge of Linux 2.6.8
+ *
* Revision 1.17 2004/04/05 13:53:48 starvik
* Merge of Linux 2.6.5
*
#include <linux/user.h>
#include <linux/elfcore.h>
#include <linux/mqueue.h>
+#include <linux/reboot.h>
//#define DEBUG
* region by enable_hlt/disable_hlt.
*/
-static int hlt_counter=0;
+int cris_hlt_counter=0;
void disable_hlt(void)
{
- hlt_counter++;
+ cris_hlt_counter++;
}
EXPORT_SYMBOL(disable_hlt);
void enable_hlt(void)
{
- hlt_counter--;
+ cris_hlt_counter--;
}
EXPORT_SYMBOL(enable_hlt);
/* endless idle loop with no priority at all */
while (1) {
while (!need_resched()) {
- void (*idle)(void) = pm_idle;
-
+ void (*idle)(void);
+ /*
+ * Mark this as an RCU critical section so that
+ * synchronize_kernel() in the unload path waits
+ * for our completion.
+ */
+ idle = pm_idle;
if (!idle)
idle = default_idle;
-
idle();
}
+ preempt_enable_no_resched();
schedule();
+ preempt_disable();
}
-
}
void hard_reset_now (void);
-void machine_restart(void)
+void machine_restart(char *cmd)
{
hard_reset_now();
}
-EXPORT_SYMBOL(machine_restart);
-
/*
* Similar to machine_power_off, but don't shut off power. Add code
* here to freeze the system for e.g. post-mortem debug purpose when
{
}
-EXPORT_SYMBOL(machine_halt);
-
/* If or when software power-off is implemented, add code here. */
void machine_power_off(void)
{
}
-EXPORT_SYMBOL(machine_power_off);
-
/*
* When a process does an "exec", machine state like FPU and debug
* registers need to be reset. This is a hook function for that.
{
}
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread(struct pt_regs * regs, struct user * dump)
-{
-#if 0
- int i;
-
- /* changed the size calculations - should hopefully work better. lbt */
- dump->magic = CMAGIC;
- dump->start_code = 0;
- dump->start_stack = regs->esp & ~(PAGE_SIZE - 1);
- dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
- dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
- dump->u_dsize -= dump->u_tsize;
- dump->u_ssize = 0;
- for (i = 0; i < 8; i++)
- dump->u_debugreg[i] = current->debugreg[i];
-
- if (dump->start_stack < TASK_SIZE)
- dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
-
- dump->regs = *regs;
-
- dump->u_fpvalid = dump_fpu (regs, &dump->i387);
-#endif
-}
-
/* Fill in the fpu structure for a core dump. */
int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
{