| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2006-2007, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bprofile_tick_mips.h $ |
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| 11 | * $brcm_Revision: 2 $ |
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| 12 | * $brcm_Date: 1/15/07 10:50a $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Embeddeble profiler library |
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| 17 | * MIPS Data acquisition module |
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| 18 | * |
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| 19 | * Revision History: |
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| 20 | * |
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| 21 | * $brcm_Log: /BSEAV/lib/bprofile/bprofile_tick_mips.h $ |
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| 22 | * |
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| 23 | * 2 1/15/07 10:50a vsilyaev |
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| 24 | * PR 25997: Added 7038 performance counters |
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| 25 | * |
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| 26 | * 1 12/13/06 7:48p vsilyaev |
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| 27 | * PR 25997: Generic MIPS profile sampler |
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| 28 | * |
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| 29 | *******************************************************************************/ |
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| 30 | /* MIPS32 performance sampling routine */ |
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| 31 | |
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| 32 | #include "bperf_counter.h" |
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| 33 | |
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| 34 | #ifndef b_gettick |
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| 35 | BSTD_INLINE unsigned __attribute__((no_instrument_function)) |
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| 36 | b_gettick(void) |
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| 37 | { |
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| 38 | unsigned b_mips_tick; |
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| 39 | __asm__ __volatile__( |
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| 40 | ".set\tmips32\n\t" |
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| 41 | "mfc0\t%0, $9, 0\n\t" |
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| 42 | ".set\tmips0\n\t" |
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| 43 | : "=r" (b_mips_tick)); |
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| 44 | return b_mips_tick; |
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| 45 | } |
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| 46 | #endif |
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| 47 | |
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| 48 | BSTD_INLINE void __attribute__((no_instrument_function)) |
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| 49 | b_sample(bprofile_sample *sample) |
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| 50 | { |
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| 51 | sample->time = b_gettick(); |
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| 52 | |
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| 53 | #if BPROFILE_CFG_PERF_COUNTER |
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| 54 | #if B_PERF_BMIPS3300 |
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| 55 | sample->counters[0] = b_perf_read_one(0); |
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| 56 | #if BPROFILE_CFG_PERF_COUNTER > 1 |
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| 57 | sample->counters[1] = b_perf_read_one(1); |
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| 58 | #endif |
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| 59 | #if BPROFILE_CFG_PERF_COUNTER > 2 |
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| 60 | sample->counters[2] = b_perf_read_one(2); |
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| 61 | #endif |
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| 62 | #if BPROFILE_CFG_PERF_COUNTER > 3 |
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| 63 | sample->counters[3] = b_perf_read_one(3); |
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| 64 | #endif |
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| 65 | #elif B_PERF_MIPSR5K |
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| 66 | sample->counters[0] = b_perf_read_one(1); |
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| 67 | #if BPROFILE_CFG_PERF_COUNTER > 1 |
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| 68 | sample->counters[1] = b_perf_read_one(3); |
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| 69 | #endif |
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| 70 | #if BPROFILE_CFG_PERF_COUNTER > 2 |
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| 71 | #error "Not supported" |
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| 72 | #endif |
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| 73 | #endif /* B_PERF_MIPSR5K */ |
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| 74 | #endif |
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| 75 | return; |
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| 76 | } |
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| 77 | |
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