diff options
Diffstat (limited to 'arch/sparc/kernel/process_32.c')
-rw-r--r-- | arch/sparc/kernel/process_32.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index efa0754..fe6787c 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -67,8 +67,6 @@ struct thread_info *current_set[NR_CPUS]; #ifndef CONFIG_SMP -#define SUN4C_FAULT_HIGH 100 - /* * the idle loop on a Sparc... ;) */ @@ -76,36 +74,6 @@ void cpu_idle(void) { /* endless idle loop with no priority at all */ for (;;) { - if (ARCH_SUN4C) { - static int count = HZ; - static unsigned long last_jiffies; - static unsigned long last_faults; - static unsigned long fps; - unsigned long now; - unsigned long faults; - - extern unsigned long sun4c_kernel_faults; - extern void sun4c_grow_kernel_ring(void); - - local_irq_disable(); - now = jiffies; - count -= (now - last_jiffies); - last_jiffies = now; - if (count < 0) { - count += HZ; - faults = sun4c_kernel_faults; - fps = (fps + (faults - last_faults)) >> 1; - last_faults = faults; -#if 0 - printk("kernel faults / second = %ld\n", fps); -#endif - if (fps >= SUN4C_FAULT_HIGH) { - sun4c_grow_kernel_ring(); - } - } - local_irq_enable(); - } - if (pm_idle) { while (!need_resched()) (*pm_idle)(); @@ -114,7 +82,6 @@ void cpu_idle(void) cpu_relax(); } schedule_preempt_disabled(); - check_pgt_cache(); } } @@ -137,7 +104,6 @@ void cpu_idle(void) cpu_relax(); } schedule_preempt_disabled(); - check_pgt_cache(); } } @@ -179,88 +145,6 @@ void machine_power_off(void) machine_halt(); } -#if 0 - -static DEFINE_SPINLOCK(sparc_backtrace_lock); - -void __show_backtrace(unsigned long fp) -{ - struct reg_window32 *rw; - unsigned long flags; - int cpu = smp_processor_id(); - - spin_lock_irqsave(&sparc_backtrace_lock, flags); - - rw = (struct reg_window32 *)fp; - while(rw && (((unsigned long) rw) >= PAGE_OFFSET) && - !(((unsigned long) rw) & 0x7)) { - printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] " - "FP[%08lx] CALLER[%08lx]: ", cpu, - rw->ins[0], rw->ins[1], rw->ins[2], rw->ins[3], - rw->ins[4], rw->ins[5], - rw->ins[6], - rw->ins[7]); - printk("%pS\n", (void *) rw->ins[7]); - rw = (struct reg_window32 *) rw->ins[6]; - } - spin_unlock_irqrestore(&sparc_backtrace_lock, flags); -} - -#define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t") -#define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t") -#define __GET_FP(fp) __asm__ __volatile__("mov %%i6, %0" : "=r" (fp)) - -void show_backtrace(void) -{ - unsigned long fp; - - __SAVE; __SAVE; __SAVE; __SAVE; - __SAVE; __SAVE; __SAVE; __SAVE; - __RESTORE; __RESTORE; __RESTORE; __RESTORE; - __RESTORE; __RESTORE; __RESTORE; __RESTORE; - - __GET_FP(fp); - - __show_backtrace(fp); -} - -#ifdef CONFIG_SMP -void smp_show_backtrace_all_cpus(void) -{ - xc0((smpfunc_t) show_backtrace); - show_backtrace(); -} -#endif - -void show_stackframe(struct sparc_stackf *sf) -{ - unsigned long size; - unsigned long *stk; - int i; - - printk("l0: %08lx l1: %08lx l2: %08lx l3: %08lx " - "l4: %08lx l5: %08lx l6: %08lx l7: %08lx\n", - sf->locals[0], sf->locals[1], sf->locals[2], sf->locals[3], - sf->locals[4], sf->locals[5], sf->locals[6], sf->locals[7]); - printk("i0: %08lx i1: %08lx i2: %08lx i3: %08lx " - "i4: %08lx i5: %08lx fp: %08lx i7: %08lx\n", - sf->ins[0], sf->ins[1], sf->ins[2], sf->ins[3], - sf->ins[4], sf->ins[5], (unsigned long)sf->fp, sf->callers_pc); - printk("sp: %08lx x0: %08lx x1: %08lx x2: %08lx " - "x3: %08lx x4: %08lx x5: %08lx xx: %08lx\n", - (unsigned long)sf->structptr, sf->xargs[0], sf->xargs[1], - sf->xargs[2], sf->xargs[3], sf->xargs[4], sf->xargs[5], - sf->xxargs[0]); - size = ((unsigned long)sf->fp) - ((unsigned long)sf); - size -= STACKFRAME_SZ; - stk = (unsigned long *)((unsigned long)sf + STACKFRAME_SZ); - i = 0; - do { - printk("s%d: %08lx\n", i++, *stk++); - } while ((size -= sizeof(unsigned long))); -} -#endif - void show_regs(struct pt_regs *r) { struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14]; |