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authorWu Zhangjin <wuzhangjin@gmail.com>2010-05-07 01:29:47 +0800
committerRalf Baechle <ralf@linux-mips.org>2010-05-21 21:31:19 +0100
commit852151bdb992874b3d625444a8c7c551f3a738b5 (patch)
tree8ad2e932119a9d20d9cc86242290d2ddfa0e555e /arch
parent6d8c2873e06626c371bdedd5e00b00a60d3fde41 (diff)
MIPS: Oprofile: Loongson: Cleanup of the macros
The _EXL, _KERNEL etc. bits are in the performance control register so use _PERFCTRL prefix instead of _PERFCNT. While at it make the macro more readable, use _ENABLE instead of _INT_EN suffix to describe the interrupt enable bit. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1203/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/oprofile/op_model_loongson2.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index deefcee69a69..515f7790c048 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -24,16 +24,16 @@
*/
#define LOONGSON2_CPU_TYPE "mips/loongson2"
+#define LOONGSON2_PERFCNT_OVERFLOW (1ULL << 31)
+
+#define LOONGSON2_PERFCTRL_EXL (1UL << 0)
+#define LOONGSON2_PERFCTRL_KERNEL (1UL << 1)
+#define LOONGSON2_PERFCTRL_SUPERVISOR (1UL << 2)
+#define LOONGSON2_PERFCTRL_USER (1UL << 3)
+#define LOONGSON2_PERFCTRL_ENABLE (1UL << 4)
#define LOONGSON2_PERFCTRL_EVENT(idx, event) \
(((event) & 0x0f) << ((idx) ? 9 : 5))
-#define LOONGSON2_PERFCNT_EXL (1UL << 0)
-#define LOONGSON2_PERFCNT_KERNEL (1UL << 1)
-#define LOONGSON2_PERFCNT_SUPERVISOR (1UL << 2)
-#define LOONGSON2_PERFCNT_USER (1UL << 3)
-#define LOONGSON2_PERFCNT_INT_EN (1UL << 4)
-#define LOONGSON2_PERFCNT_OVERFLOW (1ULL << 31)
-
/* Loongson2 performance counter register */
#define read_c0_perfctrl() __read_64bit_c0_register($24, 0)
#define write_c0_perfctrl(val) __write_64bit_c0_register($24, 0, val)
@@ -70,11 +70,11 @@ static void loongson2_reg_setup(struct op_counter_config *cfg)
}
if (cfg[0].enabled || cfg[1].enabled) {
- ctrl |= LOONGSON2_PERFCNT_EXL | LOONGSON2_PERFCNT_INT_EN;
+ ctrl |= LOONGSON2_PERFCTRL_EXL | LOONGSON2_PERFCTRL_ENABLE;
if (cfg[0].kernel || cfg[1].kernel)
- ctrl |= LOONGSON2_PERFCNT_KERNEL;
+ ctrl |= LOONGSON2_PERFCTRL_KERNEL;
if (cfg[0].user || cfg[1].user)
- ctrl |= LOONGSON2_PERFCNT_USER;
+ ctrl |= LOONGSON2_PERFCTRL_USER;
}
reg.ctrl = ctrl;
@@ -119,7 +119,7 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id)
*/
/* Check whether the irq belongs to me */
- enabled = read_c0_perfctrl() & LOONGSON2_PERFCNT_INT_EN;
+ enabled = read_c0_perfctrl() & LOONGSON2_PERFCTRL_ENABLE;
if (!enabled)
return IRQ_NONE;
enabled = reg.cnt1_enabled | reg.cnt2_enabled;