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author | Anton Blanchard <anton@samba.org> | 2005-09-06 14:55:35 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-09-06 16:09:21 +1000 |
commit | dca859329cee9b4cf02c8b7cb805b49973292ed2 (patch) | |
tree | 45148a86ec8ad469c4ff81ca7be0a58fde416149 /include/asm-ppc64/oprofile_impl.h | |
parent | 1a410d883023da70806a0190c4bde104545cb9c6 (diff) | |
download | blackbird-op-linux-dca859329cee9b4cf02c8b7cb805b49973292ed2.tar.gz blackbird-op-linux-dca859329cee9b4cf02c8b7cb805b49973292ed2.zip |
[PATCH] ppc64: Move oprofile_impl.h into include/asm-ppc64
Move oprofile_impl.h into include/asm-ppc64 in preparation for moving
oprofile_model into cpu feature struct.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc64/oprofile_impl.h')
-rw-r--r-- | include/asm-ppc64/oprofile_impl.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/asm-ppc64/oprofile_impl.h b/include/asm-ppc64/oprofile_impl.h new file mode 100644 index 000000000000..b04f1dfb1421 --- /dev/null +++ b/include/asm-ppc64/oprofile_impl.h @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM + * + * Based on alpha version. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef OP_IMPL_H +#define OP_IMPL_H 1 + +#define OP_MAX_COUNTER 8 + +/* Per-counter configuration as set via oprofilefs. */ +struct op_counter_config { + unsigned long valid; + unsigned long enabled; + unsigned long event; + unsigned long count; + unsigned long kernel; + /* We dont support per counter user/kernel selection */ + unsigned long user; + unsigned long unit_mask; +}; + +/* System-wide configuration as set via oprofilefs. */ +struct op_system_config { + unsigned long mmcr0; + unsigned long mmcr1; + unsigned long mmcra; + unsigned long enable_kernel; + unsigned long enable_user; + unsigned long backtrace_spinlocks; +}; + +/* Per-arch configuration */ +struct op_ppc64_model { + void (*reg_setup) (struct op_counter_config *, + struct op_system_config *, + int num_counters); + void (*cpu_setup) (void *); + void (*start) (struct op_counter_config *); + void (*stop) (void); + void (*handle_interrupt) (struct pt_regs *, + struct op_counter_config *); + int num_counters; +}; + +extern struct op_ppc64_model op_model_rs64; +extern struct op_ppc64_model op_model_power4; + +static inline unsigned int ctr_read(unsigned int i) +{ + switch(i) { + case 0: + return mfspr(SPRN_PMC1); + case 1: + return mfspr(SPRN_PMC2); + case 2: + return mfspr(SPRN_PMC3); + case 3: + return mfspr(SPRN_PMC4); + case 4: + return mfspr(SPRN_PMC5); + case 5: + return mfspr(SPRN_PMC6); + case 6: + return mfspr(SPRN_PMC7); + case 7: + return mfspr(SPRN_PMC8); + default: + return 0; + } +} + +static inline void ctr_write(unsigned int i, unsigned int val) +{ + switch(i) { + case 0: + mtspr(SPRN_PMC1, val); + break; + case 1: + mtspr(SPRN_PMC2, val); + break; + case 2: + mtspr(SPRN_PMC3, val); + break; + case 3: + mtspr(SPRN_PMC4, val); + break; + case 4: + mtspr(SPRN_PMC5, val); + break; + case 5: + mtspr(SPRN_PMC6, val); + break; + case 6: + mtspr(SPRN_PMC7, val); + break; + case 7: + mtspr(SPRN_PMC8, val); + break; + default: + break; + } +} + +#endif |