diff options
Diffstat (limited to 'bsps/sparc/include/bsp/l4stat.h')
-rw-r--r-- | bsps/sparc/include/bsp/l4stat.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/bsps/sparc/include/bsp/l4stat.h b/bsps/sparc/include/bsp/l4stat.h new file mode 100644 index 0000000000..94fbe4b095 --- /dev/null +++ b/bsps/sparc/include/bsp/l4stat.h @@ -0,0 +1,91 @@ +/* + * L4STAT APB-Register Driver. + * + * COPYRIGHT (c) 2017. + * Cobham Gaisler AB. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef __L4STAT_H__ +#define __L4STAT_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define L4STAT_ERR_OK 0 +#define L4STAT_ERR_EINVAL -1 +#define L4STAT_ERR_ERROR -2 +#define L4STAT_ERR_TOOMANY -3 +#define L4STAT_ERR_IMPLEMENTED -4 + +/* Register L4STAT driver to Driver Manager */ +void l4stat_register_drv (void); + +extern int l4stat_counter_print(unsigned int counter); + +/* + * L4STAT CCTRL register fields + */ +#define CCTRL_NCPU (0xf << CCTRL_NCPU_BIT) +#define CCTRL_NCNT_L3STAT (0x1ff << CCTRL_NCNT_BIT) +#define CCTRL_NCNT (0x1f << CCTRL_NCNT_BIT) +#define CCTRL_MC (0x1 << CCTRL_MC_BIT) +#define CCTRL_IA (0x1 << CCTRL_IA_BIT) +#define CCTRL_DS (0x1 << CCTRL_DS_BIT) +#define CCTRL_EE (0x1 << CCTRL_EE_BIT) +#define CCTRL_AE (0x1 << CCTRL_AE_BIT) +#define CCTRL_EL (0x1 << CCTRL_EL_BIT) +#define CCTRL_CD (0x1 << CCTRL_CD_BIT) +#define CCTRL_SU (0x3 << CCTRL_SU_BIT) +#define CCTRL_CL (0x1 << CCTRL_CL_BIT) +#define CCTRL_EN (0x1 << CCTRL_EN_BIT) +#define CCTRL_EVENTID (0xff << CCTRL_EVENTID_BIT) +#define CCTRL_CPUAHBM (0xf << CCTRL_CPUAHBM_BIT) + +#define CCTRL_NCPU_BIT 28 +#define CCTRL_NCNT_BIT 23 +#define CCTRL_MC_BIT 22 +#define CCTRL_IA_BIT 21 +#define CCTRL_DS_BIT 20 +#define CCTRL_EE_BIT 19 +#define CCTRL_AE_BIT 18 +#define CCTRL_EL_BIT 17 +#define CCTRL_CD_BIT 16 +#define CCTRL_SU_BIT 14 +#define CCTRL_CL_BIT 13 +#define CCTRL_EN_BIT 12 +#define CCTRL_EVENTID_BIT 4 +#define CCTRL_CPUAHBM_BIT 0 + +#define L4STAT_OPTIONS_EVENT_LEVEL_ENABLE CCTRL_EL +#define L4STAT_OPTIONS_EVENT_LEVEL_DISABLE 0 +#define L4STAT_OPTIONS_MAXIMUM_DURATION CCTRL_CD +#define L4STAT_OPTIONS_SUPERVISOR_MODE_FILTER (0x1 << CCTRL_SU_BIT) +#define L4STAT_OPTIONS_USER_MODE_FILTER (0x2 << CCTRL_SU_BIT) +#define L4STAT_OPTIONS_NO_FILTER 0 +#define L4STAT_OPTIONS_CLEAR_ON_READ CCTRL_CL + +extern int l4stat_counter_enable(unsigned int counter, int event, int cpu, int options); +extern int l4stat_counter_disable(unsigned int counter); +extern int l4stat_counter_set(unsigned int counter, uint32_t val); +extern int l4stat_counter_get(unsigned int counter, uint32_t *val); + +static inline int l4stat_counter_clear(unsigned int counter) +{ + return l4stat_counter_set(counter, 0); +} + +extern int l4stat_counter_max_set(unsigned int counter, uint32_t val); +extern int l4stat_counter_max_get(unsigned int counter, uint32_t *val); +extern int l4stat_tstamp_set(uint32_t val); +extern int l4stat_tstamp_get(uint32_t *val); + +#ifdef __cplusplus +} +#endif + +#endif |