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@@ -1,4 +1,4 @@
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-/**
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+/*
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* @file op_model_athlon.h
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* @file op_model_athlon.h
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* athlon / K7 / K8 / Family 10h model-specific MSR operations
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* athlon / K7 / K8 / Family 10h model-specific MSR operations
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*
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*
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@@ -14,28 +14,28 @@
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#include <asm/ptrace.h>
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#include <asm/ptrace.h>
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#include <asm/msr.h>
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#include <asm/msr.h>
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#include <asm/nmi.h>
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#include <asm/nmi.h>
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-
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+
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#include "op_x86_model.h"
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#include "op_x86_model.h"
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#include "op_counter.h"
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#include "op_counter.h"
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#define NUM_COUNTERS 4
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#define NUM_COUNTERS 4
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#define NUM_CONTROLS 4
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#define NUM_CONTROLS 4
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-#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
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-#define CTR_READ(l,h,msrs,c) do {rdmsr(msrs->counters[(c)].addr, (l), (h));} while (0)
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-#define CTR_WRITE(l,msrs,c) do {wrmsr(msrs->counters[(c)].addr, -(unsigned int)(l), -1);} while (0)
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+#define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
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+#define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0)
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+#define CTR_WRITE(l, msrs, c) do {wrmsr(msrs->counters[(c)].addr, -(unsigned int)(l), -1); } while (0)
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#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
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#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
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-#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
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-#define CTRL_READ(l,h,msrs,c) do {rdmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
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-#define CTRL_WRITE(l,h,msrs,c) do {wrmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
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+#define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0)
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+#define CTRL_READ(l, h, msrs, c) do {rdmsr(msrs->controls[(c)].addr, (l), (h)); } while (0)
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+#define CTRL_WRITE(l, h, msrs, c) do {wrmsr(msrs->controls[(c)].addr, (l), (h)); } while (0)
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#define CTRL_SET_ACTIVE(n) (n |= (1<<22))
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#define CTRL_SET_ACTIVE(n) (n |= (1<<22))
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#define CTRL_SET_INACTIVE(n) (n &= ~(1<<22))
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#define CTRL_SET_INACTIVE(n) (n &= ~(1<<22))
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#define CTRL_CLEAR_LO(x) (x &= (1<<21))
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#define CTRL_CLEAR_LO(x) (x &= (1<<21))
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#define CTRL_CLEAR_HI(x) (x &= 0xfffffcf0)
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#define CTRL_CLEAR_HI(x) (x &= 0xfffffcf0)
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#define CTRL_SET_ENABLE(val) (val |= 1<<20)
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#define CTRL_SET_ENABLE(val) (val |= 1<<20)
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-#define CTRL_SET_USR(val,u) (val |= ((u & 1) << 16))
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-#define CTRL_SET_KERN(val,k) (val |= ((k & 1) << 17))
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+#define CTRL_SET_USR(val, u) (val |= ((u & 1) << 16))
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+#define CTRL_SET_KERN(val, k) (val |= ((k & 1) << 17))
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#define CTRL_SET_UM(val, m) (val |= (m << 8))
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#define CTRL_SET_UM(val, m) (val |= (m << 8))
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#define CTRL_SET_EVENT_LOW(val, e) (val |= (e & 0xff))
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#define CTRL_SET_EVENT_LOW(val, e) (val |= (e & 0xff))
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#define CTRL_SET_EVENT_HIGH(val, e) (val |= ((e >> 8) & 0xf))
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#define CTRL_SET_EVENT_HIGH(val, e) (val |= ((e >> 8) & 0xf))
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@@ -43,19 +43,19 @@
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#define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8))
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#define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8))
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static unsigned long reset_value[NUM_COUNTERS];
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static unsigned long reset_value[NUM_COUNTERS];
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-
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+
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static void athlon_fill_in_addresses(struct op_msrs * const msrs)
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static void athlon_fill_in_addresses(struct op_msrs * const msrs)
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{
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{
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int i;
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int i;
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- for (i=0; i < NUM_COUNTERS; i++) {
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+ for (i = 0; i < NUM_COUNTERS; i++) {
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if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
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if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
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msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
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msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
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else
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else
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msrs->counters[i].addr = 0;
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msrs->counters[i].addr = 0;
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}
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}
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- for (i=0; i < NUM_CONTROLS; i++) {
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+ for (i = 0; i < NUM_CONTROLS; i++) {
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if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
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if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
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msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
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msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
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else
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else
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@@ -63,15 +63,15 @@ static void athlon_fill_in_addresses(struct op_msrs * const msrs)
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}
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}
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}
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}
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-
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+
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static void athlon_setup_ctrs(struct op_msrs const * const msrs)
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static void athlon_setup_ctrs(struct op_msrs const * const msrs)
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{
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{
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unsigned int low, high;
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unsigned int low, high;
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int i;
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int i;
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-
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+
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/* clear all counters */
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/* clear all counters */
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for (i = 0 ; i < NUM_CONTROLS; ++i) {
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for (i = 0 ; i < NUM_CONTROLS; ++i) {
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- if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
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+ if (unlikely(!CTRL_IS_RESERVED(msrs, i)))
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continue;
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continue;
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CTRL_READ(low, high, msrs, i);
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CTRL_READ(low, high, msrs, i);
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CTRL_CLEAR_LO(low);
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CTRL_CLEAR_LO(low);
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@@ -81,14 +81,14 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs)
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/* avoid a false detection of ctr overflows in NMI handler */
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/* avoid a false detection of ctr overflows in NMI handler */
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for (i = 0; i < NUM_COUNTERS; ++i) {
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for (i = 0; i < NUM_COUNTERS; ++i) {
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- if (unlikely(!CTR_IS_RESERVED(msrs,i)))
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+ if (unlikely(!CTR_IS_RESERVED(msrs, i)))
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continue;
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continue;
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CTR_WRITE(1, msrs, i);
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CTR_WRITE(1, msrs, i);
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}
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}
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/* enable active counters */
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/* enable active counters */
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for (i = 0; i < NUM_COUNTERS; ++i) {
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for (i = 0; i < NUM_COUNTERS; ++i) {
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- if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs,i))) {
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+ if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs, i))) {
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reset_value[i] = counter_config[i].count;
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reset_value[i] = counter_config[i].count;
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CTR_WRITE(counter_config[i].count, msrs, i);
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CTR_WRITE(counter_config[i].count, msrs, i);
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@@ -112,7 +112,7 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs)
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}
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}
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}
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}
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-
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+
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static int athlon_check_ctrs(struct pt_regs * const regs,
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static int athlon_check_ctrs(struct pt_regs * const regs,
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struct op_msrs const * const msrs)
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struct op_msrs const * const msrs)
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{
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{
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@@ -133,7 +133,7 @@ static int athlon_check_ctrs(struct pt_regs * const regs,
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return 1;
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return 1;
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}
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}
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-
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+
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static void athlon_start(struct op_msrs const * const msrs)
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static void athlon_start(struct op_msrs const * const msrs)
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{
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{
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unsigned int low, high;
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unsigned int low, high;
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@@ -150,7 +150,7 @@ static void athlon_start(struct op_msrs const * const msrs)
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static void athlon_stop(struct op_msrs const * const msrs)
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static void athlon_stop(struct op_msrs const * const msrs)
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{
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{
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- unsigned int low,high;
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+ unsigned int low, high;
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int i;
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int i;
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/* Subtle: stop on all counters to avoid race with
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/* Subtle: stop on all counters to avoid race with
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@@ -169,11 +169,11 @@ static void athlon_shutdown(struct op_msrs const * const msrs)
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int i;
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int i;
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for (i = 0 ; i < NUM_COUNTERS ; ++i) {
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for (i = 0 ; i < NUM_COUNTERS ; ++i) {
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- if (CTR_IS_RESERVED(msrs,i))
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+ if (CTR_IS_RESERVED(msrs, i))
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release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
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release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
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}
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}
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for (i = 0 ; i < NUM_CONTROLS ; ++i) {
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for (i = 0 ; i < NUM_CONTROLS ; ++i) {
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- if (CTRL_IS_RESERVED(msrs,i))
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+ if (CTRL_IS_RESERVED(msrs, i))
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release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
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release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
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}
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}
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}
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}
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