1 /* 2 * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef FFMPEG_DSPUTIL_PPC_H 22 #define FFMPEG_DSPUTIL_PPC_H 23 24 #ifdef CONFIG_POWERPC_PERF 25 void powerpc_display_perf_report(void); 26 /* the 604* have 2, the G3* have 4, the G4s have 6, 27 and the G5 are completely different (they MUST use 28 HAVE_PPC64, and let's hope all future 64 bis PPC 29 will use the same PMCs... */ 30 #define POWERPC_NUM_PMC_ENABLED 6 31 /* if you add to the enum below, also add to the perfname array 32 in dsputil_ppc.c */ 33 enum powerpc_perf_index { 34 altivec_fft_num = 0, 35 altivec_gmc1_num, 36 altivec_dct_unquantize_h263_num, 37 altivec_fdct, 38 altivec_idct_add_num, 39 altivec_idct_put_num, 40 altivec_put_pixels16_num, 41 altivec_avg_pixels16_num, 42 altivec_avg_pixels8_num, 43 altivec_put_pixels8_xy2_num, 44 altivec_put_no_rnd_pixels8_xy2_num, 45 altivec_put_pixels16_xy2_num, 46 altivec_put_no_rnd_pixels16_xy2_num, 47 altivec_hadamard8_diff8x8_num, 48 altivec_hadamard8_diff16_num, 49 altivec_avg_pixels8_xy2_num, 50 powerpc_clear_blocks_dcbz32, 51 powerpc_clear_blocks_dcbz128, 52 altivec_put_h264_chroma_mc8_num, 53 altivec_avg_h264_chroma_mc8_num, 54 altivec_put_h264_qpel16_h_lowpass_num, 55 altivec_avg_h264_qpel16_h_lowpass_num, 56 altivec_put_h264_qpel16_v_lowpass_num, 57 altivec_avg_h264_qpel16_v_lowpass_num, 58 altivec_put_h264_qpel16_hv_lowpass_num, 59 altivec_avg_h264_qpel16_hv_lowpass_num, 60 powerpc_perf_total 61 }; 62 enum powerpc_data_index { 63 powerpc_data_min = 0, 64 powerpc_data_max, 65 powerpc_data_sum, 66 powerpc_data_num, 67 powerpc_data_total 68 }; 69 extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total]; 70 71 #ifndef HAVE_PPC64 72 #define POWERP_PMC_DATATYPE unsigned long 73 #define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 937" : "=r" (a)) 74 #define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 938" : "=r" (a)) 75 #if (POWERPC_NUM_PMC_ENABLED > 2) 76 #define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 941" : "=r" (a)) 77 #define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 942" : "=r" (a)) 78 #else 79 #define POWERPC_GET_PMC3(a) do {} while (0) 80 #define POWERPC_GET_PMC4(a) do {} while (0) 81 #endif 82 #if (POWERPC_NUM_PMC_ENABLED > 4) 83 #define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 929" : "=r" (a)) 84 #define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 930" : "=r" (a)) 85 #else 86 #define POWERPC_GET_PMC5(a) do {} while (0) 87 #define POWERPC_GET_PMC6(a) do {} while (0) 88 #endif 89 #else /* HAVE_PPC64 */ 90 #define POWERP_PMC_DATATYPE unsigned long long 91 #define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 771" : "=r" (a)) 92 #define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 772" : "=r" (a)) 93 #if (POWERPC_NUM_PMC_ENABLED > 2) 94 #define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 773" : "=r" (a)) 95 #define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 774" : "=r" (a)) 96 #else 97 #define POWERPC_GET_PMC3(a) do {} while (0) 98 #define POWERPC_GET_PMC4(a) do {} while (0) 99 #endif 100 #if (POWERPC_NUM_PMC_ENABLED > 4) 101 #define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 775" : "=r" (a)) 102 #define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 776" : "=r" (a)) 103 #else 104 #define POWERPC_GET_PMC5(a) do {} while (0) 105 #define POWERPC_GET_PMC6(a) do {} while (0) 106 #endif 107 #endif /* HAVE_PPC64 */ 108 #define POWERPC_PERF_DECLARE(a, cond) \ 109 POWERP_PMC_DATATYPE \ 110 pmc_start[POWERPC_NUM_PMC_ENABLED], \ 111 pmc_stop[POWERPC_NUM_PMC_ENABLED], \ 112 pmc_loop_index; 113 #define POWERPC_PERF_START_COUNT(a, cond) do { \ 114 POWERPC_GET_PMC6(pmc_start[5]); \ 115 POWERPC_GET_PMC5(pmc_start[4]); \ 116 POWERPC_GET_PMC4(pmc_start[3]); \ 117 POWERPC_GET_PMC3(pmc_start[2]); \ 118 POWERPC_GET_PMC2(pmc_start[1]); \ 119 POWERPC_GET_PMC1(pmc_start[0]); \ 120 } while (0) 121 #define POWERPC_PERF_STOP_COUNT(a, cond) do { \ 122 POWERPC_GET_PMC1(pmc_stop[0]); \ 123 POWERPC_GET_PMC2(pmc_stop[1]); \ 124 POWERPC_GET_PMC3(pmc_stop[2]); \ 125 POWERPC_GET_PMC4(pmc_stop[3]); \ 126 POWERPC_GET_PMC5(pmc_stop[4]); \ 127 POWERPC_GET_PMC6(pmc_stop[5]); \ 128 if (cond) \ 129 { \ 130 for(pmc_loop_index = 0; \ 131 pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \ 132 pmc_loop_index++) \ 133 { \ 134 if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) \ 135 { \ 136 POWERP_PMC_DATATYPE diff = \ 137 pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index]; \ 138 if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \ 139 perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \ 140 if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \ 141 perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \ 142 perfdata[pmc_loop_index][a][powerpc_data_sum] += diff; \ 143 perfdata[pmc_loop_index][a][powerpc_data_num] ++; \ 144 } \ 145 } \ 146 } \ 147 } while (0) 148 #else /* CONFIG_POWERPC_PERF */ 149 // those are needed to avoid empty statements. 150 #define POWERPC_PERF_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused)) 151 #define POWERPC_PERF_START_COUNT(a, cond) do {} while (0) 152 #define POWERPC_PERF_STOP_COUNT(a, cond) do {} while (0) 153 #endif /* CONFIG_POWERPC_PERF */ 154 155 #endif /* FFMPEG_DSPUTIL_PPC_H */ 156