diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_mips24k.h')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_mips24k.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/dev/hwpmc/hwpmc_mips24k.h b/sys/dev/hwpmc/hwpmc_mips24k.h index 5944e45..876bbe8 100644 --- a/sys/dev/hwpmc/hwpmc_mips24k.h +++ b/sys/dev/hwpmc/hwpmc_mips24k.h @@ -35,7 +35,7 @@ PMC_CAP_WRITE | PMC_CAP_INVERT | \ PMC_CAP_QUALIFIER) - +#define MIPS24K_PMC_INTERRUPT_ENABLE 0x10 /* Enable interrupts */ #define MIPS24K_PMC_USER_ENABLE 0x08 /* Count in USER mode */ #define MIPS24K_PMC_SUPER_ENABLE 0x04 /* Count in SUPERVISOR mode */ #define MIPS24K_PMC_KERNEL_ENABLE 0x02 /* Count in KERNEL mode */ @@ -43,9 +43,12 @@ MIPS24K_PMC_SUPER_ENABLE | \ MIPS24K_PMC_KERNEL_ENABLE) - -#define MIPS24K_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (-(R)) -#define MIPS24K_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P)) +/* + * Interrupts are posted when bit 31 of the relevant + * counter is set. + */ +#define MIPS24K_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (0x80000000 - (R)) +#define MIPS24K_PERFCTR_VALUE_TO_RELOAD_COUNT(P) ((P) - 0x80000000) #define MIPS24K_PMC_SELECT 0x4 /* Which bit position the event starts at. */ #define MIPS24K_PMC_OFFSET 2 /* Control registers are 0, 2, 4, etc. */ |
