1 files changed, 0 insertions, 114 deletions
diff --git a/arch/alpha/oprofile/op_model_ev4.c b/arch/alpha/oprofile/op_model_ev4.c
deleted file mode 100644
index 086a0d5445c5..000000000000
--- a/arch/alpha/oprofile/op_model_ev4.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * @file arch/alpha/oprofile/op_model_ev4.c
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author Richard Henderson <rth@twiddle.net>
- */
-
-#include <linux/oprofile.h>
-#include <linux/smp.h>
-#include <asm/ptrace.h>
-
-#include "op_impl.h"
-
-
-/* Compute all of the registers in preparation for enabling profiling.  */
-
-static void
-ev4_reg_setup(struct op_register_config *reg,
-	      struct op_counter_config *ctr,
-	      struct op_system_config *sys)
-{
-	unsigned long ctl = 0, count, hilo;
-
-	/* Select desired events.  We've mapped the event numbers
-	   such that they fit directly into the event selection fields.
-
-	   Note that there is no "off" setting.  In both cases we select
-	   the EXTERNAL event source, hoping that it'll be the lowest
-	   frequency, and set the frequency counter to LOW.  The interrupts
-	   for these "disabled" counter overflows are ignored by the
-	   interrupt handler.
-
-	   This is most irritating, because the hardware *can* enable and
-	   disable the interrupts for these counters independently, but the
-	   wrperfmon interface doesn't allow it.  */
-
-	ctl |= (ctr[0].enabled ? ctr[0].event << 8 : 14 << 8);
-	ctl |= (ctr[1].enabled ? (ctr[1].event - 16) << 32 : 7ul << 32);
-
-	/* EV4 can not read or write its counter registers.  The only
-	   thing one can do at all is see if you overflow and get an
-	   interrupt.  We can set the width of the counters, to some
-	   extent.  Take the interrupt count selected by the user,
-	   map it onto one of the possible values, and write it back.  */
-
-	count = ctr[0].count;
-	if (count <= 4096)
-		count = 4096, hilo = 1;
-	else
-		count = 65536, hilo = 0;
-	ctr[0].count = count;
-	ctl |= (ctr[0].enabled && hilo) << 3;
-
-	count = ctr[1].count;
-	if (count <= 256)
-		count = 256, hilo = 1;
-	else
-		count = 4096, hilo = 0;
-	ctr[1].count = count;
-	ctl |= (ctr[1].enabled && hilo);
-
-	reg->mux_select = ctl;
-
-	/* Select performance monitoring options.  */
-	/* ??? Need to come up with some mechanism to trace only
-	   selected processes.  EV4 does not have a mechanism to
-	   select kernel or user mode only.  For now, enable always.  */
-	reg->proc_mode = 0;
-
-	/* Frequency is folded into mux_select for EV4.  */
-	reg->freq = 0;
-
-	/* See above regarding no writes.  */
-	reg->reset_values = 0;
-	reg->need_reset = 0;
-
-}
-
-/* Program all of the registers in preparation for enabling profiling.  */
-
-static void
-ev4_cpu_setup(void *x)
-{
-	struct op_register_config *reg = x;
-
-	wrperfmon(2, reg->mux_select);
-	wrperfmon(3, reg->proc_mode);
-}
-
-static void
-ev4_handle_interrupt(unsigned long which, struct pt_regs *regs,
-		     struct op_counter_config *ctr)
-{
-	/* EV4 can't properly disable counters individually.
-	   Discard "disabled" events now.  */
-	if (!ctr[which].enabled)
-		return;
-
-	/* Record the sample.  */
-	oprofile_add_sample(regs, which);
-}
-
-
-struct op_axp_model op_model_ev4 = {
-	.reg_setup		= ev4_reg_setup,
-	.cpu_setup		= ev4_cpu_setup,
-	.reset_ctr		= NULL,
-	.handle_interrupt	= ev4_handle_interrupt,
-	.cpu_type		= "alpha/ev4",
-	.num_counters		= 2,
-	.can_set_proc_mode	= 0,
-};