endif
obj-y := semaphore.o cputable.o ptrace.o syscalls.o \
- signal_32.o
+ signal_32.o pmc.o
obj-$(CONFIG_PPC64) += binfmt_elf32.o sys_ppc32.o ptrace32.o
obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
obj-$(CONFIG_POWER4) += idle_power4.o
--- /dev/null
+/*
+ * arch/powerpc/kernel/pmc.c
+ *
+ * Copyright (C) 2004 David Gibson, IBM Corporation.
+ * Includes code formerly from arch/ppc/kernel/perfmon.c:
+ * Author: Andy Fleming
+ * Copyright (c) 2004 Freescale Semiconductor, Inc
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+
+#include <asm/processor.h>
+#include <asm/pmc.h>
+
+#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200)
+static void dummy_perf(struct pt_regs *regs)
+{
+ unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
+
+ pmgc0 &= ~PMGC0_PMIE;
+ mtpmr(PMRN_PMGC0, pmgc0);
+}
+#elif defined(CONFIG_PPC64) || defined(CONFIG_6xx)
+
+#ifndef MMCR0_PMAO
+#define MMCR0_PMAO 0
+#endif
+
+/* Ensure exceptions are disabled */
+static void dummy_perf(struct pt_regs *regs)
+{
+ unsigned int mmcr0 = mfspr(SPRN_MMCR0);
+
+ mmcr0 &= ~(MMCR0_PMXE|MMCR0_PMAO);
+ mtspr(SPRN_MMCR0, mmcr0);
+}
+#else
+static void dummy_perf(struct pt_regs *regs)
+{
+}
+#endif
+
+static DEFINE_SPINLOCK(pmc_owner_lock);
+static void *pmc_owner_caller; /* mostly for debugging */
+perf_irq_t perf_irq = dummy_perf;
+
+int reserve_pmc_hardware(perf_irq_t new_perf_irq)
+{
+ int err = 0;
+
+ spin_lock(&pmc_owner_lock);
+
+ if (pmc_owner_caller) {
+ printk(KERN_WARNING "reserve_pmc_hardware: "
+ "PMC hardware busy (reserved by caller %p)\n",
+ pmc_owner_caller);
+ err = -EBUSY;
+ goto out;
+ }
+
+ pmc_owner_caller = __builtin_return_address(0);
+ perf_irq = new_perf_irq ? : dummy_perf;
+
+ out:
+ spin_unlock(&pmc_owner_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(reserve_pmc_hardware);
+
+void release_pmc_hardware(void)
+{
+ spin_lock(&pmc_owner_lock);
+
+ WARN_ON(! pmc_owner_caller);
+
+ pmc_owner_caller = NULL;
+ perf_irq = dummy_perf;
+
+ spin_unlock(&pmc_owner_lock);
+}
+EXPORT_SYMBOL_GPL(release_pmc_hardware);
+
+#ifdef CONFIG_PPC64
+void power4_enable_pmcs(void)
+{
+ unsigned long hid0;
+
+ hid0 = mfspr(SPRN_HID0);
+ hid0 |= 1UL << (63 - 20);
+
+ /* POWER4 requires the following sequence */
+ asm volatile(
+ "sync\n"
+ "mtspr %1, %0\n"
+ "mfspr %0, %1\n"
+ "mfspr %0, %1\n"
+ "mfspr %0, %1\n"
+ "mfspr %0, %1\n"
+ "mfspr %0, %1\n"
+ "mfspr %0, %1\n"
+ "isync" : "=&r" (hid0) : "i" (SPRN_HID0), "0" (hid0):
+ "memory");
+}
+#endif /* CONFIG_PPC64 */
#include <asm/machdep.h>
#include <asm/rtas.h>
#include <asm/xmon.h>
+#include <asm/pmc.h>
#ifdef CONFIG_PPC32
#include <asm/reg.h>
-#include <asm/perfmon.h>
#endif
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#include <asm/firmware.h>
#include <asm/processor.h>
#include <asm/systemcfg.h>
-#include <asm/pmc.h>
#endif
#ifdef CONFIG_PPC64 /* XXX */
#include <linux/errno.h>
#include <asm/ptrace.h>
#include <asm/system.h>
-#ifdef __powerpc64__
#include <asm/pmc.h>
-#else /* __powerpc64__ */
-#include <asm/perfmon.h>
-#endif /* __powerpc64__ */
#include <asm/cputable.h>
#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
#include <asm/reg_booke.h>
#include <asm/page.h>
-#include <asm/perfmon.h>
+#include <asm/pmc.h>
#include <asm/oprofile_impl.h>
static unsigned long reset_value[OP_MAX_COUNTER];
obj-y := entry.o traps.o irq.o idle.o time.o misc.o \
process.o align.o \
setup.o \
- ppc_htab.o perfmon.o
+ ppc_htab.o
obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
obj-$(CONFIG_POWER4) += cpu_setup_power4.o
else
obj-y := irq.o idle.o \
- align.o perfmon.o
+ align.o
obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
obj-$(CONFIG_MODULES) += module.o
+++ /dev/null
-/* kernel/perfmon.c
- * PPC 32 Performance Monitor Infrastructure
- *
- * Author: Andy Fleming
- * Copyright (c) 2004 Freescale Semiconductor, Inc
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/interrupt.h>
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/prctl.h>
-
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/reg.h>
-#include <asm/xmon.h>
-
-/* A lock to regulate grabbing the interrupt */
-DEFINE_SPINLOCK(perfmon_lock);
-
-#if defined (CONFIG_FSL_BOOKE) && !defined (CONFIG_E200)
-static void dummy_perf(struct pt_regs *regs)
-{
- unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
-
- pmgc0 &= ~PMGC0_PMIE;
- mtpmr(PMRN_PMGC0, pmgc0);
-}
-
-#elif defined(CONFIG_6xx)
-/* Ensure exceptions are disabled */
-static void dummy_perf(struct pt_regs *regs)
-{
- unsigned int mmcr0 = mfspr(SPRN_MMCR0);
-
- mmcr0 &= ~MMCR0_PMXE;
- mtspr(SPRN_MMCR0, mmcr0);
-}
-#else
-static void dummy_perf(struct pt_regs *regs)
-{
-}
-#endif
-
-void (*perf_irq)(struct pt_regs *) = dummy_perf;
-
-/* Grab the interrupt, if it's free.
- * Returns 0 on success, -1 if the interrupt is taken already */
-int reserve_pmc_hardware(void (*handler)(struct pt_regs *))
-{
- int err = 0;
-
- spin_lock(&perfmon_lock);
-
- if (perf_irq == dummy_perf)
- perf_irq = handler;
- else {
- pr_info("perfmon irq already handled by %p\n", perf_irq);
- err = -EBUSY;
- }
-
- spin_unlock(&perfmon_lock);
-
- return err;
-}
-
-void release_pmc_hardware(void)
-{
- spin_lock(&perfmon_lock);
-
- perf_irq = dummy_perf;
-
- spin_unlock(&perfmon_lock);
-}
-
-EXPORT_SYMBOL(perf_irq);
-EXPORT_SYMBOL(reserve_pmc_hardware);
-EXPORT_SYMBOL(release_pmc_hardware);
#include <asm/io.h>
#include <asm/reg.h>
#include <asm/xmon.h>
-#include <asm/perfmon.h>
+#include <asm/pmc.h>
static inline u32 get_pmlca(int ctr);
static inline void set_pmlca(int ctr, u32 pmlca);
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#endif
-#include <asm/perfmon.h>
+#include <asm/pmc.h>
#ifdef CONFIG_XMON
extern int xmon_bpt(struct pt_regs *regs);
udbg.o ioctl32.o \
rtc.o \
cpu_setup_power4.o \
- iommu.o sysfs.o vdso.o pmc.o firmware.o
+ iommu.o sysfs.o vdso.o firmware.o
obj-y += vdso32/ vdso64/
pci-obj-$(CONFIG_PPC_MULTIPLATFORM) += pci_dn.o pci_direct_iommu.o
+++ /dev/null
-/*
- * linux/arch/ppc64/kernel/pmc.c
- *
- * Copyright (C) 2004 David Gibson, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/spinlock.h>
-#include <linux/module.h>
-
-#include <asm/processor.h>
-#include <asm/pmc.h>
-
-/* Ensure exceptions are disabled */
-static void dummy_perf(struct pt_regs *regs)
-{
- unsigned int mmcr0 = mfspr(SPRN_MMCR0);
-
- mmcr0 &= ~(MMCR0_PMXE|MMCR0_PMAO);
- mtspr(SPRN_MMCR0, mmcr0);
-}
-
-static DEFINE_SPINLOCK(pmc_owner_lock);
-static void *pmc_owner_caller; /* mostly for debugging */
-perf_irq_t perf_irq = dummy_perf;
-
-int reserve_pmc_hardware(perf_irq_t new_perf_irq)
-{
- int err = 0;
-
- spin_lock(&pmc_owner_lock);
-
- if (pmc_owner_caller) {
- printk(KERN_WARNING "reserve_pmc_hardware: "
- "PMC hardware busy (reserved by caller %p)\n",
- pmc_owner_caller);
- err = -EBUSY;
- goto out;
- }
-
- pmc_owner_caller = __builtin_return_address(0);
- perf_irq = new_perf_irq ? : dummy_perf;
-
- out:
- spin_unlock(&pmc_owner_lock);
- return err;
-}
-EXPORT_SYMBOL_GPL(reserve_pmc_hardware);
-
-void release_pmc_hardware(void)
-{
- spin_lock(&pmc_owner_lock);
-
- WARN_ON(! pmc_owner_caller);
-
- pmc_owner_caller = NULL;
- perf_irq = dummy_perf;
-
- spin_unlock(&pmc_owner_lock);
-}
-EXPORT_SYMBOL_GPL(release_pmc_hardware);
-
-void power4_enable_pmcs(void)
-{
- unsigned long hid0;
-
- hid0 = mfspr(SPRN_HID0);
- hid0 |= 1UL << (63 - 20);
-
- /* POWER4 requires the following sequence */
- asm volatile(
- "sync\n"
- "mtspr %1, %0\n"
- "mfspr %0, %1\n"
- "mfspr %0, %1\n"
- "mfspr %0, %1\n"
- "mfspr %0, %1\n"
- "mfspr %0, %1\n"
- "mfspr %0, %1\n"
- "isync" : "=&r" (hid0) : "i" (SPRN_HID0), "0" (hid0):
- "memory");
-}
--- /dev/null
+/*
+ * pmc.h
+ * Copyright (C) 2004 David Gibson, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef _POWERPC_PMC_H
+#define _POWERPC_PMC_H
+
+#include <asm/ptrace.h>
+
+typedef void (*perf_irq_t)(struct pt_regs *);
+
+int reserve_pmc_hardware(perf_irq_t new_perf_irq);
+void release_pmc_hardware(void);
+
+#ifdef CONFIG_PPC64
+void power4_enable_pmcs(void);
+#endif
+
+#ifdef CONFIG_FSL_BOOKE
+void init_pmc_stop(int ctr);
+void set_pmc_event(int ctr, int event);
+void set_pmc_user_kernel(int ctr, int user, int kernel);
+void set_pmc_marked(int ctr, int mark0, int mark1);
+void pmc_start_ctr(int ctr, int enable);
+void pmc_start_ctrs(int enable);
+void pmc_stop_ctrs(void);
+void dump_pmcs(void);
+
+extern struct op_powerpc_model op_model_fsl_booke;
+#endif
+
+#endif /* _POWERPC_PMC_H */
+++ /dev/null
-#ifndef __PERFMON_H
-#define __PERFMON_H
-
-extern void (*perf_irq)(struct pt_regs *);
-
-int reserve_pmc_hardware(void (*handler)(struct pt_regs *));
-void release_pmc_hardware(void);
-
-#ifdef CONFIG_FSL_BOOKE
-void init_pmc_stop(int ctr);
-void set_pmc_event(int ctr, int event);
-void set_pmc_user_kernel(int ctr, int user, int kernel);
-void set_pmc_marked(int ctr, int mark0, int mark1);
-void pmc_start_ctr(int ctr, int enable);
-void pmc_start_ctrs(int enable);
-void pmc_stop_ctrs(void);
-void dump_pmcs(void);
-
-extern struct op_powerpc_model op_model_fsl_booke;
-#endif
-
-#endif /* __PERFMON_H */
+++ /dev/null
-/*
- * pmc.h
- * Copyright (C) 2004 David Gibson, IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef _PPC64_PMC_H
-#define _PPC64_PMC_H
-
-#include <asm/ptrace.h>
-
-typedef void (*perf_irq_t)(struct pt_regs *);
-
-int reserve_pmc_hardware(perf_irq_t new_perf_irq);
-void release_pmc_hardware(void);
-
-void power4_enable_pmcs(void);
-
-#endif /* _PPC64_PMC_H */
projects / linux.git / commitdiff