Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c78896f0 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc32: drop unused code in process_32 



It is commented out using #ifdef 0 / #endif,
and has been so for a long time.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 62875cff

arch/sparc/kernel/process_32.c

+0 −82
Original line number Diff line number Diff line
@@ -145,88 +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];