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Diffstat (limited to 'arch/arm/oprofile/op_model_v7.h')
| -rw-r--r-- | arch/arm/oprofile/op_model_v7.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/oprofile/op_model_v7.h b/arch/arm/oprofile/op_model_v7.h new file mode 100644 index 00000000000..0e19bcc2e10 --- /dev/null +++ b/arch/arm/oprofile/op_model_v7.h @@ -0,0 +1,103 @@ +/** + * op_model_v7.h + * ARM v7 (Cortex A8) Event Monitor Driver + * + * Copyright 2008 Jean Pihet <jpihet@mvista.com> + * Copyright 2004 ARM SMP Development Team + * Copyright 2000-2004 Deepak Saxena <dsaxena@mvista.com> + * Copyright 2000-2004 MontaVista Software Inc + * Copyright 2004 Dave Jiang <dave.jiang@intel.com> + * Copyright 2004 Intel Corporation + * Copyright 2004 Zwane Mwaikambo <zwane@arm.linux.org.uk> + * Copyright 2004 Oprofile Authors + * + * Read the file COPYING + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef OP_MODEL_V7_H +#define OP_MODEL_V7_H + +/* + * Per-CPU PMNC: config reg + */ +#define PMNC_E (1 << 0) /* Enable all counters */ +#define PMNC_P (1 << 1) /* Reset all counters */ +#define PMNC_C (1 << 2) /* Cycle counter reset */ +#define PMNC_D (1 << 3) /* CCNT counts every 64th cpu cycle */ +#define PMNC_X (1 << 4) /* Export to ETM */ +#define PMNC_DP (1 << 5) /* Disable CCNT if non-invasive debug*/ +#define PMNC_MASK 0x3f /* Mask for writable bits */ + +/* + * Available counters + */ +#define CCNT 0 +#define CNT0 1 +#define CNT1 2 +#define CNT2 3 +#define CNT3 4 +#define CNTMAX 5 + +#define CPU_COUNTER(cpu, counter) ((cpu) * CNTMAX + (counter)) + +/* + * CNTENS: counters enable reg + */ +#define CNTENS_P0 (1 << 0) +#define CNTENS_P1 (1 << 1) +#define CNTENS_P2 (1 << 2) +#define CNTENS_P3 (1 << 3) +#define CNTENS_C (1 << 31) +#define CNTENS_MASK 0x8000000f /* Mask for writable bits */ + +/* + * CNTENC: counters disable reg + */ +#define CNTENC_P0 (1 << 0) +#define CNTENC_P1 (1 << 1) +#define CNTENC_P2 (1 << 2) +#define CNTENC_P3 (1 << 3) +#define CNTENC_C (1 << 31) +#define CNTENC_MASK 0x8000000f /* Mask for writable bits */ + +/* + * INTENS: counters overflow interrupt enable reg + */ +#define INTENS_P0 (1 << 0) +#define INTENS_P1 (1 << 1) +#define INTENS_P2 (1 << 2) +#define INTENS_P3 (1 << 3) +#define INTENS_C (1 << 31) +#define INTENS_MASK 0x8000000f /* Mask for writable bits */ + +/* + * EVTSEL: Event selection reg + */ +#define EVTSEL_MASK 0x7f /* Mask for writable bits */ + +/* + * SELECT: Counter selection reg + */ +#define SELECT_MASK 0x1f /* Mask for writable bits */ + +/* + * FLAG: counters overflow flag status reg + */ +#define FLAG_P0 (1 << 0) +#define FLAG_P1 (1 << 1) +#define FLAG_P2 (1 << 2) +#define FLAG_P3 (1 << 3) +#define FLAG_C (1 << 31) +#define FLAG_MASK 0x8000000f /* Mask for writable bits */ + + +int armv7_setup_pmu(void); +int armv7_start_pmu(void); +int armv7_stop_pmu(void); +int armv7_request_interrupts(int *, int); +void armv7_release_interrupts(int *, int); + +#endif |