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[MIPS] Oprofile: kernel support for the R10000. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2006-10-23 00:44:02 +01:00
parent 2472d0b519
commit 714cfe7865
3 changed files with 31 additions and 5 deletions
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1
arch/mips/oprofile/Makefile
View File

@ -12,5 +12,6 @@ oprofile-y := $(DRIVER_OBJS) common.o
oprofile-$(CONFIG_CPU_MIPS32) += op_model_mipsxx.o
oprofile-$(CONFIG_CPU_MIPS64) += op_model_mipsxx.o
oprofile-$(CONFIG_CPU_R10000) += op_model_mipsxx.o
oprofile-$(CONFIG_CPU_SB1) += op_model_mipsxx.o
oprofile-$(CONFIG_CPU_RM9000) += op_model_rm9000.o

3
arch/mips/oprofile/common.c
View File

@ -83,6 +83,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
case CPU_74K:
case CPU_SB1:
case CPU_SB1A:
case CPU_R10000:
case CPU_R12000:
case CPU_R14000:
lmodel = &op_model_mipsxx_ops;
break;

32
arch/mips/oprofile/op_model_mipsxx.c
View File

@ -18,7 +18,7 @@
#define M_PERFCTL_SUPERVISOR (1UL << 2)
#define M_PERFCTL_USER (1UL << 3)
#define M_PERFCTL_INTERRUPT_ENABLE (1UL << 4)
#define M_PERFCTL_EVENT(event) ((event) << 5)
#define M_PERFCTL_EVENT(event) (((event) & 0x3f) << 5)
#define M_PERFCTL_VPEID(vpe) ((vpe) << 16)
#define M_PERFCTL_MT_EN(filter) ((filter) << 20)
#define M_TC_EN_ALL M_PERFCTL_MT_EN(0)
@ -218,13 +218,23 @@ static inline int __n_counters(void)
static inline int n_counters(void)
{
int counters = __n_counters();
int counters;
switch (current_cpu_data.cputype) {
case CPU_R10000:
counters = 2;
case CPU_R12000:
case CPU_R14000:
counters = 4;
default:
counters = __n_counters();
}
#ifdef CONFIG_MIPS_MT_SMP
if (current_cpu_data.cputype == CPU_34K)
return counters >> 1;
counters >> 1;
#endif
return counters;
}
@ -284,6 +294,18 @@ static int __init mipsxx_init(void)
op_model_mipsxx_ops.cpu_type = "mips/5K";
break;
case CPU_R10000:
if ((current_cpu_data.processor_id & 0xff) == 0x20)
op_model_mipsxx_ops.cpu_type = "mips/r10000-v2.x";
else
op_model_mipsxx_ops.cpu_type = "mips/r10000";
break;
case CPU_R12000:
case CPU_R14000:
op_model_mipsxx_ops.cpu_type = "mips/r12000";
break;
case CPU_SB1:
case CPU_SB1A:
op_model_mipsxx_ops.cpu_type = "mips/sb1";