1 files changed, 0 insertions, 192 deletions
diff --git a/arch/i386/oprofile/op_model_ppro.c b/arch/i386/oprofile/op_model_ppro.c
deleted file mode 100644
index c554f52cb808..000000000000
--- a/arch/i386/oprofile/op_model_ppro.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/**
- * @file op_model_ppro.h
- * pentium pro / P6 model-specific MSR operations
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author John Levon
- * @author Philippe Elie
- * @author Graydon Hoare
- */
-
-#include <linux/oprofile.h>
-#include <asm/ptrace.h>
-#include <asm/msr.h>
-#include <asm/apic.h>
-#include <asm/nmi.h>
- 
-#include "op_x86_model.h"
-#include "op_counter.h"
-
-#define NUM_COUNTERS 2
-#define NUM_CONTROLS 2
-
-#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
-#define CTR_READ(l,h,msrs,c) do {rdmsr(msrs->counters[(c)].addr, (l), (h));} while (0)
-#define CTR_32BIT_WRITE(l,msrs,c)	\
-	do {wrmsr(msrs->counters[(c)].addr, -(u32)(l), 0);} while (0)
-#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
-
-#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
-#define CTRL_READ(l,h,msrs,c) do {rdmsr((msrs->controls[(c)].addr), (l), (h));} while (0)
-#define CTRL_WRITE(l,h,msrs,c) do {wrmsr((msrs->controls[(c)].addr), (l), (h));} while (0)
-#define CTRL_SET_ACTIVE(n) (n |= (1<<22))
-#define CTRL_SET_INACTIVE(n) (n &= ~(1<<22))
-#define CTRL_CLEAR(x) (x &= (1<<21))
-#define CTRL_SET_ENABLE(val) (val |= 1<<20)
-#define CTRL_SET_USR(val,u) (val |= ((u & 1) << 16))
-#define CTRL_SET_KERN(val,k) (val |= ((k & 1) << 17))
-#define CTRL_SET_UM(val, m) (val |= (m << 8))
-#define CTRL_SET_EVENT(val, e) (val |= e)
-
-static unsigned long reset_value[NUM_COUNTERS];
- 
-static void ppro_fill_in_addresses(struct op_msrs * const msrs)
-{
-	int i;
-
-	for (i=0; i < NUM_COUNTERS; i++) {
-		if (reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))
-			msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;
-		else
-			msrs->counters[i].addr = 0;
-	}
-	
-	for (i=0; i < NUM_CONTROLS; i++) {
-		if (reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i))
-			msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;
-		else
-			msrs->controls[i].addr = 0;
-	}
-}
-
-
-static void ppro_setup_ctrs(struct op_msrs const * const msrs)
-{
-	unsigned int low, high;
-	int i;
-
-	/* clear all counters */
-	for (i = 0 ; i < NUM_CONTROLS; ++i) {
-		if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
-			continue;
-		CTRL_READ(low, high, msrs, i);
-		CTRL_CLEAR(low);
-		CTRL_WRITE(low, high, msrs, i);
-	}
-	
-	/* avoid a false detection of ctr overflows in NMI handler */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (unlikely(!CTR_IS_RESERVED(msrs,i)))
-			continue;
-		CTR_32BIT_WRITE(1, msrs, i);
-	}
-
-	/* enable active counters */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs,i))) {
-			reset_value[i] = counter_config[i].count;
-
-			CTR_32BIT_WRITE(counter_config[i].count, msrs, i);
-
-			CTRL_READ(low, high, msrs, i);
-			CTRL_CLEAR(low);
-			CTRL_SET_ENABLE(low);
-			CTRL_SET_USR(low, counter_config[i].user);
-			CTRL_SET_KERN(low, counter_config[i].kernel);
-			CTRL_SET_UM(low, counter_config[i].unit_mask);
-			CTRL_SET_EVENT(low, counter_config[i].event);
-			CTRL_WRITE(low, high, msrs, i);
-		} else {
-			reset_value[i] = 0;
-		}
-	}
-}
-
- 
-static int ppro_check_ctrs(struct pt_regs * const regs,
-			   struct op_msrs const * const msrs)
-{
-	unsigned int low, high;
-	int i;
- 
-	for (i = 0 ; i < NUM_COUNTERS; ++i) {
-		if (!reset_value[i])
-			continue;
-		CTR_READ(low, high, msrs, i);
-		if (CTR_OVERFLOWED(low)) {
-			oprofile_add_sample(regs, i);
-			CTR_32BIT_WRITE(reset_value[i], msrs, i);
-		}
-	}
-
-	/* Only P6 based Pentium M need to re-unmask the apic vector but it
-	 * doesn't hurt other P6 variant */
-	apic_write(APIC_LVTPC, apic_read(APIC_LVTPC) & ~APIC_LVT_MASKED);
-
-	/* We can't work out if we really handled an interrupt. We
-	 * might have caught a *second* counter just after overflowing
-	 * the interrupt for this counter then arrives
-	 * and we don't find a counter that's overflowed, so we
-	 * would return 0 and get dazed + confused. Instead we always
-	 * assume we found an overflow. This sucks.
-	 */
-	return 1;
-}
-
- 
-static void ppro_start(struct op_msrs const * const msrs)
-{
-	unsigned int low,high;
-	int i;
-
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (reset_value[i]) {
-			CTRL_READ(low, high, msrs, i);
-			CTRL_SET_ACTIVE(low);
-			CTRL_WRITE(low, high, msrs, i);
-		}
-	}
-}
-
-
-static void ppro_stop(struct op_msrs const * const msrs)
-{
-	unsigned int low,high;
-	int i;
-
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (!reset_value[i])
-			continue;
-		CTRL_READ(low, high, msrs, i);
-		CTRL_SET_INACTIVE(low);
-		CTRL_WRITE(low, high, msrs, i);
-	}
-}
-
-static void ppro_shutdown(struct op_msrs const * const msrs)
-{
-	int i;
-
-	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
-		if (CTR_IS_RESERVED(msrs,i))
-			release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
-	}
-	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
-		if (CTRL_IS_RESERVED(msrs,i))
-			release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
-	}
-}
-
-
-struct op_x86_model_spec const op_ppro_spec = {
-	.num_counters = NUM_COUNTERS,
-	.num_controls = NUM_CONTROLS,
-	.fill_in_addresses = &ppro_fill_in_addresses,
-	.setup_ctrs = &ppro_setup_ctrs,
-	.check_ctrs = &ppro_check_ctrs,
-	.start = &ppro_start,
-	.stop = &ppro_stop,
-	.shutdown = &ppro_shutdown
-};