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-rw-r--r--arch/powerpc/kernel/Makefile2
-rw-r--r--arch/powerpc/kernel/pmc.c (renamed from arch/ppc64/kernel/pmc.c)26
-rw-r--r--arch/powerpc/kernel/traps.c3
-rw-r--r--arch/powerpc/oprofile/common.c4
-rw-r--r--arch/powerpc/oprofile/op_model_fsl_booke.c2
-rw-r--r--arch/ppc/kernel/Makefile4
-rw-r--r--arch/ppc/kernel/perfmon.c96
-rw-r--r--arch/ppc/kernel/perfmon_fsl_booke.c2
-rw-r--r--arch/ppc/kernel/traps.c2
-rw-r--r--arch/ppc64/kernel/Makefile2
10 files changed, 33 insertions, 110 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index b347ac32025..6b0f176265e 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -11,7 +11,7 @@ CFLAGS_btext.o += -fPIC
11endif 11endif
12 12
13obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ 13obj-y := semaphore.o cputable.o ptrace.o syscalls.o \
14 signal_32.o 14 signal_32.o pmc.o
15obj-$(CONFIG_PPC64) += binfmt_elf32.o sys_ppc32.o ptrace32.o 15obj-$(CONFIG_PPC64) += binfmt_elf32.o sys_ppc32.o ptrace32.o
16obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o 16obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
17obj-$(CONFIG_POWER4) += idle_power4.o 17obj-$(CONFIG_POWER4) += idle_power4.o
diff --git a/arch/ppc64/kernel/pmc.c b/arch/powerpc/kernel/pmc.c
index 944d7df7935..2d333cc8408 100644
--- a/arch/ppc64/kernel/pmc.c
+++ b/arch/powerpc/kernel/pmc.c
@@ -1,7 +1,10 @@
1/* 1/*
2 * linux/arch/ppc64/kernel/pmc.c 2 * arch/powerpc/kernel/pmc.c
3 * 3 *
4 * Copyright (C) 2004 David Gibson, IBM Corporation. 4 * Copyright (C) 2004 David Gibson, IBM Corporation.
5 * Includes code formerly from arch/ppc/kernel/perfmon.c:
6 * Author: Andy Fleming
7 * Copyright (c) 2004 Freescale Semiconductor, Inc
5 * 8 *
6 * This program is free software; you can redistribute it and/or 9 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License 10 * modify it under the terms of the GNU General Public License
@@ -17,6 +20,20 @@
17#include <asm/processor.h> 20#include <asm/processor.h>
18#include <asm/pmc.h> 21#include <asm/pmc.h>
19 22
23#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200)
24static void dummy_perf(struct pt_regs *regs)
25{
26 unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
27
28 pmgc0 &= ~PMGC0_PMIE;
29 mtpmr(PMRN_PMGC0, pmgc0);
30}
31#elif defined(CONFIG_PPC64) || defined(CONFIG_6xx)
32
33#ifndef MMCR0_PMAO
34#define MMCR0_PMAO 0
35#endif
36
20/* Ensure exceptions are disabled */ 37/* Ensure exceptions are disabled */
21static void dummy_perf(struct pt_regs *regs) 38static void dummy_perf(struct pt_regs *regs)
22{ 39{
@@ -25,6 +42,11 @@ static void dummy_perf(struct pt_regs *regs)
25 mmcr0 &= ~(MMCR0_PMXE|MMCR0_PMAO); 42 mmcr0 &= ~(MMCR0_PMXE|MMCR0_PMAO);
26 mtspr(SPRN_MMCR0, mmcr0); 43 mtspr(SPRN_MMCR0, mmcr0);
27} 44}
45#else
46static void dummy_perf(struct pt_regs *regs)
47{
48}
49#endif
28 50
29static DEFINE_SPINLOCK(pmc_owner_lock); 51static DEFINE_SPINLOCK(pmc_owner_lock);
30static void *pmc_owner_caller; /* mostly for debugging */ 52static void *pmc_owner_caller; /* mostly for debugging */
@@ -66,6 +88,7 @@ void release_pmc_hardware(void)
66} 88}
67EXPORT_SYMBOL_GPL(release_pmc_hardware); 89EXPORT_SYMBOL_GPL(release_pmc_hardware);
68 90
91#ifdef CONFIG_PPC64
69void power4_enable_pmcs(void) 92void power4_enable_pmcs(void)
70{ 93{
71 unsigned long hid0; 94 unsigned long hid0;
@@ -86,3 +109,4 @@ void power4_enable_pmcs(void)
86 "isync" : "=&r" (hid0) : "i" (SPRN_HID0), "0" (hid0): 109 "isync" : "=&r" (hid0) : "i" (SPRN_HID0), "0" (hid0):
87 "memory"); 110 "memory");
88} 111}
112#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 6a881e3ea01..f87580382da 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -40,9 +40,9 @@
40#include <asm/machdep.h> 40#include <asm/machdep.h>
41#include <asm/rtas.h> 41#include <asm/rtas.h>
42#include <asm/xmon.h> 42#include <asm/xmon.h>
43#include <asm/pmc.h>
43#ifdef CONFIG_PPC32 44#ifdef CONFIG_PPC32
44#include <asm/reg.h> 45#include <asm/reg.h>
45#include <asm/perfmon.h>
46#endif 46#endif
47#ifdef CONFIG_PMAC_BACKLIGHT 47#ifdef CONFIG_PMAC_BACKLIGHT
48#include <asm/backlight.h> 48#include <asm/backlight.h>
@@ -51,7 +51,6 @@
51#include <asm/firmware.h> 51#include <asm/firmware.h>
52#include <asm/processor.h> 52#include <asm/processor.h>
53#include <asm/systemcfg.h> 53#include <asm/systemcfg.h>
54#include <asm/pmc.h>
55#endif 54#endif
56 55
57#ifdef CONFIG_PPC64 /* XXX */ 56#ifdef CONFIG_PPC64 /* XXX */
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index 0ec12c8f2c0..af2c05d20ba 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -22,11 +22,7 @@
22#include <linux/errno.h> 22#include <linux/errno.h>
23#include <asm/ptrace.h> 23#include <asm/ptrace.h>
24#include <asm/system.h> 24#include <asm/system.h>
25#ifdef __powerpc64__
26#include <asm/pmc.h> 25#include <asm/pmc.h>
27#else /* __powerpc64__ */
28#include <asm/perfmon.h>
29#endif /* __powerpc64__ */
30#include <asm/cputable.h> 26#include <asm/cputable.h>
31#include <asm/oprofile_impl.h> 27#include <asm/oprofile_impl.h>
32 28
diff --git a/arch/powerpc/oprofile/op_model_fsl_booke.c b/arch/powerpc/oprofile/op_model_fsl_booke.c
index 1917f8df8a8..86124a94c9a 100644
--- a/arch/powerpc/oprofile/op_model_fsl_booke.c
+++ b/arch/powerpc/oprofile/op_model_fsl_booke.c
@@ -24,7 +24,7 @@
24#include <asm/cputable.h> 24#include <asm/cputable.h>
25#include <asm/reg_booke.h> 25#include <asm/reg_booke.h>
26#include <asm/page.h> 26#include <asm/page.h>
27#include <asm/perfmon.h> 27#include <asm/pmc.h>
28#include <asm/oprofile_impl.h> 28#include <asm/oprofile_impl.h>
29 29
30static unsigned long reset_value[OP_MAX_COUNTER]; 30static unsigned long reset_value[OP_MAX_COUNTER];
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index ccbc442c9ed..b35346df1e3 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -15,7 +15,7 @@ extra-y += vmlinux.lds
15obj-y := entry.o traps.o irq.o idle.o time.o misc.o \ 15obj-y := entry.o traps.o irq.o idle.o time.o misc.o \
16 process.o align.o \ 16 process.o align.o \
17 setup.o \ 17 setup.o \
18 ppc_htab.o perfmon.o 18 ppc_htab.o
19obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o 19obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
20obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o 20obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
21obj-$(CONFIG_POWER4) += cpu_setup_power4.o 21obj-$(CONFIG_POWER4) += cpu_setup_power4.o
@@ -38,7 +38,7 @@ endif
38 38
39else 39else
40obj-y := irq.o idle.o \ 40obj-y := irq.o idle.o \
41 align.o perfmon.o 41 align.o
42obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o 42obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
43obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o 43obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
44obj-$(CONFIG_MODULES) += module.o 44obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/ppc/kernel/perfmon.c b/arch/ppc/kernel/perfmon.c
deleted file mode 100644
index c9a38dd0cdc..00000000000
--- a/arch/ppc/kernel/perfmon.c
+++ /dev/null
@@ -1,96 +0,0 @@
1/* kernel/perfmon.c
2 * PPC 32 Performance Monitor Infrastructure
3 *
4 * Author: Andy Fleming
5 * Copyright (c) 2004 Freescale Semiconductor, Inc
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#include <linux/errno.h>
14#include <linux/sched.h>
15#include <linux/kernel.h>
16#include <linux/mm.h>
17#include <linux/stddef.h>
18#include <linux/unistd.h>
19#include <linux/ptrace.h>
20#include <linux/slab.h>
21#include <linux/user.h>
22#include <linux/a.out.h>
23#include <linux/interrupt.h>
24#include <linux/config.h>
25#include <linux/init.h>
26#include <linux/module.h>
27#include <linux/prctl.h>
28
29#include <asm/pgtable.h>
30#include <asm/uaccess.h>
31#include <asm/system.h>
32#include <asm/io.h>
33#include <asm/reg.h>
34#include <asm/xmon.h>
35
36/* A lock to regulate grabbing the interrupt */
37DEFINE_SPINLOCK(perfmon_lock);
38
39#if defined (CONFIG_FSL_BOOKE) && !defined (CONFIG_E200)
40static void dummy_perf(struct pt_regs *regs)
41{
42 unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
43
44 pmgc0 &= ~PMGC0_PMIE;
45 mtpmr(PMRN_PMGC0, pmgc0);
46}
47
48#elif defined(CONFIG_6xx)
49/* Ensure exceptions are disabled */
50static void dummy_perf(struct pt_regs *regs)
51{
52 unsigned int mmcr0 = mfspr(SPRN_MMCR0);
53
54 mmcr0 &= ~MMCR0_PMXE;
55 mtspr(SPRN_MMCR0, mmcr0);
56}
57#else
58static void dummy_perf(struct pt_regs *regs)
59{
60}
61#endif
62
63void (*perf_irq)(struct pt_regs *) = dummy_perf;
64
65/* Grab the interrupt, if it's free.
66 * Returns 0 on success, -1 if the interrupt is taken already */
67int reserve_pmc_hardware(void (*handler)(struct pt_regs *))
68{
69 int err = 0;
70
71 spin_lock(&perfmon_lock);
72
73 if (perf_irq == dummy_perf)
74 perf_irq = handler;
75 else {
76 pr_info("perfmon irq already handled by %p\n", perf_irq);
77 err = -EBUSY;
78 }
79
80 spin_unlock(&perfmon_lock);
81
82 return err;
83}
84
85void release_pmc_hardware(void)
86{
87 spin_lock(&perfmon_lock);
88
89 perf_irq = dummy_perf;
90
91 spin_unlock(&perfmon_lock);
92}
93
94EXPORT_SYMBOL(perf_irq);
95EXPORT_SYMBOL(reserve_pmc_hardware);
96EXPORT_SYMBOL(release_pmc_hardware);
diff --git a/arch/ppc/kernel/perfmon_fsl_booke.c b/arch/ppc/kernel/perfmon_fsl_booke.c
index 03526bfb084..32455dfcc36 100644
--- a/arch/ppc/kernel/perfmon_fsl_booke.c
+++ b/arch/ppc/kernel/perfmon_fsl_booke.c
@@ -32,7 +32,7 @@
32#include <asm/io.h> 32#include <asm/io.h>
33#include <asm/reg.h> 33#include <asm/reg.h>
34#include <asm/xmon.h> 34#include <asm/xmon.h>
35#include <asm/perfmon.h> 35#include <asm/pmc.h>
36 36
37static inline u32 get_pmlca(int ctr); 37static inline u32 get_pmlca(int ctr);
38static inline void set_pmlca(int ctr, u32 pmlca); 38static inline void set_pmlca(int ctr, u32 pmlca);
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 3145e9773db..5e4bf88a1ef 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -41,7 +41,7 @@
41#ifdef CONFIG_PMAC_BACKLIGHT 41#ifdef CONFIG_PMAC_BACKLIGHT
42#include <asm/backlight.h> 42#include <asm/backlight.h>
43#endif 43#endif
44#include <asm/perfmon.h> 44#include <asm/pmc.h>
45 45
46#ifdef CONFIG_XMON 46#ifdef CONFIG_XMON
47extern int xmon_bpt(struct pt_regs *regs); 47extern int xmon_bpt(struct pt_regs *regs);
diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
index 18f477fa1df..6cce419f4b0 100644
--- a/arch/ppc64/kernel/Makefile
+++ b/arch/ppc64/kernel/Makefile
@@ -17,7 +17,7 @@ obj-y += irq.o idle.o dma.o \
17 udbg.o ioctl32.o \ 17 udbg.o ioctl32.o \
18 rtc.o \ 18 rtc.o \
19 cpu_setup_power4.o \ 19 cpu_setup_power4.o \
20 iommu.o sysfs.o vdso.o pmc.o firmware.o 20 iommu.o sysfs.o vdso.o firmware.o
21obj-y += vdso32/ vdso64/ 21obj-y += vdso32/ vdso64/
22 22
23pci-obj-$(CONFIG_PPC_MULTIPLATFORM) += pci_dn.o pci_direct_iommu.o 23pci-obj-$(CONFIG_PPC_MULTIPLATFORM) += pci_dn.o pci_direct_iommu.o
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 11:46:16 -0500