| 1 | /*
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| 2 | * Copyright (c) 2003-2004 Romain Dolbeau <[email protected]>
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| 3 | *
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| 4 | * This library is free software; you can redistribute it and/or
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| 5 | * modify it under the terms of the GNU Lesser General Public
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| 6 | * License as published by the Free Software Foundation; either
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| 7 | * version 2 of the License, or (at your option) any later version.
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| 8 | *
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| 9 | * This library is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | * Lesser General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU Lesser General Public
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| 15 | * License along with this library; if not, write to the Free Software
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 17 | */
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| 18 |
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| 19 | #ifndef _DSPUTIL_PPC_
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| 20 | #define _DSPUTIL_PPC_
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| 21 |
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| 22 | #ifdef CONFIG_DARWIN
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| 23 | /* The Apple assembler shipped w/ gcc-3.3 knows about DCBZL, previous assemblers don't
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| 24 | We assume here that the Darwin GCC is from Apple.... */
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| 25 | #if (__GNUC__ * 100 + __GNUC_MINOR__ < 303)
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| 26 | #define NO_DCBZL
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| 27 | #endif
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| 28 | #else /* CONFIG_DARWIN */
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| 29 | /* I don't think any non-Apple assembler knows about DCBZL */
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| 30 | #define NO_DCBZL
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| 31 | #endif /* CONFIG_DARWIN */
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| 32 |
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| 33 | #ifdef POWERPC_PERFORMANCE_REPORT
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| 34 | void powerpc_display_perf_report(void);
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| 35 | /* the 604* have 2, the G3* have 4, the G4s have 6,
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| 36 | and the G5 are completely different (they MUST use
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| 37 | POWERPC_MODE_64BITS, and let's hope all future 64 bis PPC
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| 38 | will use the same PMCs... */
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| 39 | #define POWERPC_NUM_PMC_ENABLED 6
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| 40 | /* if you add to the enum below, also add to the perfname array
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| 41 | in dsputil_ppc.c */
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| 42 | enum powerpc_perf_index {
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| 43 | altivec_fft_num = 0,
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| 44 | altivec_gmc1_num,
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| 45 | altivec_dct_unquantize_h263_num,
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| 46 | altivec_fdct,
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| 47 | altivec_idct_add_num,
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| 48 | altivec_idct_put_num,
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| 49 | altivec_put_pixels16_num,
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| 50 | altivec_avg_pixels16_num,
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| 51 | altivec_avg_pixels8_num,
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| 52 | altivec_put_pixels8_xy2_num,
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| 53 | altivec_put_no_rnd_pixels8_xy2_num,
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| 54 | altivec_put_pixels16_xy2_num,
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| 55 | altivec_put_no_rnd_pixels16_xy2_num,
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| 56 | altivec_hadamard8_diff8x8_num,
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| 57 | altivec_hadamard8_diff16_num,
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| 58 | altivec_avg_pixels8_xy2_num,
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| 59 | powerpc_clear_blocks_dcbz32,
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| 60 | powerpc_clear_blocks_dcbz128,
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| 61 | altivec_put_h264_chroma_mc8_num,
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| 62 | altivec_avg_h264_chroma_mc8_num,
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| 63 | altivec_put_h264_qpel16_h_lowpass_num,
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| 64 | altivec_avg_h264_qpel16_h_lowpass_num,
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| 65 | altivec_put_h264_qpel16_v_lowpass_num,
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| 66 | altivec_avg_h264_qpel16_v_lowpass_num,
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| 67 | altivec_put_h264_qpel16_hv_lowpass_num,
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| 68 | altivec_avg_h264_qpel16_hv_lowpass_num,
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| 69 | powerpc_perf_total
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| 70 | };
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| 71 | enum powerpc_data_index {
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| 72 | powerpc_data_min = 0,
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| 73 | powerpc_data_max,
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| 74 | powerpc_data_sum,
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| 75 | powerpc_data_num,
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| 76 | powerpc_data_total
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| 77 | };
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| 78 | extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
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| 79 |
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| 80 | #ifndef POWERPC_MODE_64BITS
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| 81 | #define POWERP_PMC_DATATYPE unsigned long
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| 82 | #define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 937" : "=r" (a))
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| 83 | #define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 938" : "=r" (a))
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| 84 | #if (POWERPC_NUM_PMC_ENABLED > 2)
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| 85 | #define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 941" : "=r" (a))
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| 86 | #define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 942" : "=r" (a))
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| 87 | #else
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| 88 | #define POWERPC_GET_PMC3(a) do {} while (0)
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| 89 | #define POWERPC_GET_PMC4(a) do {} while (0)
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| 90 | #endif
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| 91 | #if (POWERPC_NUM_PMC_ENABLED > 4)
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| 92 | #define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 929" : "=r" (a))
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| 93 | #define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 930" : "=r" (a))
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| 94 | #else
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| 95 | #define POWERPC_GET_PMC5(a) do {} while (0)
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| 96 | #define POWERPC_GET_PMC6(a) do {} while (0)
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| 97 | #endif
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| 98 | #else /* POWERPC_MODE_64BITS */
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| 99 | #define POWERP_PMC_DATATYPE unsigned long long
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| 100 | #define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 771" : "=r" (a))
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| 101 | #define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 772" : "=r" (a))
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| 102 | #if (POWERPC_NUM_PMC_ENABLED > 2)
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| 103 | #define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 773" : "=r" (a))
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| 104 | #define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 774" : "=r" (a))
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| 105 | #else
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| 106 | #define POWERPC_GET_PMC3(a) do {} while (0)
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| 107 | #define POWERPC_GET_PMC4(a) do {} while (0)
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| 108 | #endif
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| 109 | #if (POWERPC_NUM_PMC_ENABLED > 4)
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| 110 | #define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 775" : "=r" (a))
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| 111 | #define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 776" : "=r" (a))
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| 112 | #else
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| 113 | #define POWERPC_GET_PMC5(a) do {} while (0)
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| 114 | #define POWERPC_GET_PMC6(a) do {} while (0)
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| 115 | #endif
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| 116 | #endif /* POWERPC_MODE_64BITS */
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| 117 | #define POWERPC_PERF_DECLARE(a, cond) \
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| 118 | POWERP_PMC_DATATYPE \
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| 119 | pmc_start[POWERPC_NUM_PMC_ENABLED], \
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| 120 | pmc_stop[POWERPC_NUM_PMC_ENABLED], \
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| 121 | pmc_loop_index;
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| 122 | #define POWERPC_PERF_START_COUNT(a, cond) do { \
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| 123 | POWERPC_GET_PMC6(pmc_start[5]); \
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| 124 | POWERPC_GET_PMC5(pmc_start[4]); \
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| 125 | POWERPC_GET_PMC4(pmc_start[3]); \
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| 126 | POWERPC_GET_PMC3(pmc_start[2]); \
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| 127 | POWERPC_GET_PMC2(pmc_start[1]); \
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| 128 | POWERPC_GET_PMC1(pmc_start[0]); \
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| 129 | } while (0)
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| 130 | #define POWERPC_PERF_STOP_COUNT(a, cond) do { \
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| 131 | POWERPC_GET_PMC1(pmc_stop[0]); \
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| 132 | POWERPC_GET_PMC2(pmc_stop[1]); \
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| 133 | POWERPC_GET_PMC3(pmc_stop[2]); \
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| 134 | POWERPC_GET_PMC4(pmc_stop[3]); \
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| 135 | POWERPC_GET_PMC5(pmc_stop[4]); \
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| 136 | POWERPC_GET_PMC6(pmc_stop[5]); \
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| 137 | if (cond) \
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| 138 | { \
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| 139 | for(pmc_loop_index = 0; \
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| 140 | pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \
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| 141 | pmc_loop_index++) \
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| 142 | { \
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| 143 | if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) \
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| 144 | { \
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| 145 | POWERP_PMC_DATATYPE diff = \
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| 146 | pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index]; \
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| 147 | if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \
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| 148 | perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \
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| 149 | if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \
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| 150 | perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \
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| 151 | perfdata[pmc_loop_index][a][powerpc_data_sum] += diff; \
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| 152 | perfdata[pmc_loop_index][a][powerpc_data_num] ++; \
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| 153 | } \
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| 154 | } \
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| 155 | } \
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| 156 | } while (0)
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| 157 | #else /* POWERPC_PERFORMANCE_REPORT */
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| 158 | // those are needed to avoid empty statements.
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| 159 | #define POWERPC_PERF_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused))
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| 160 | #define POWERPC_PERF_START_COUNT(a, cond) do {} while (0)
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| 161 | #define POWERPC_PERF_STOP_COUNT(a, cond) do {} while (0)
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| 162 | #endif /* POWERPC_PERFORMANCE_REPORT */
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| 163 |
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| 164 | #endif /* _DSPUTIL_PPC_ */
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