PeerStreamer

/*

 * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifndef _DSPUTIL_PPC_

#define _DSPUTIL_PPC_

#ifdef CONFIG_DARWIN

/* The Apple assembler shipped w/ gcc-3.3 knows about DCBZL, previous assemblers don't

   We assume here that the Darwin GCC is from Apple.... */

#if (__GNUC__ * 100 + __GNUC_MINOR__ < 303)

#define NO_DCBZL

#endif

#else /* CONFIG_DARWIN */

/* I don't think any non-Apple assembler knows about DCBZL */

#define NO_DCBZL

#endif /* CONFIG_DARWIN */

#ifdef POWERPC_PERFORMANCE_REPORT

void powerpc_display_perf_report(void);

/* the 604* have 2, the G3* have 4, the G4s have 6,

   and the G5 are completely different (they MUST use

   POWERPC_MODE_64BITS, and let's hope all future 64 bis PPC

   will use the same PMCs... */

#define POWERPC_NUM_PMC_ENABLED 6

/* if you add to the enum below, also add to the perfname array

   in dsputil_ppc.c */

enum powerpc_perf_index {

  altivec_fft_num = 0,

  altivec_gmc1_num,

  altivec_dct_unquantize_h263_num,

  altivec_fdct,

  altivec_idct_add_num,

  altivec_idct_put_num,

  altivec_put_pixels16_num,

  altivec_avg_pixels16_num,

  altivec_avg_pixels8_num,

  altivec_put_pixels8_xy2_num,

  altivec_put_no_rnd_pixels8_xy2_num,

  altivec_put_pixels16_xy2_num,

  altivec_put_no_rnd_pixels16_xy2_num,

  altivec_hadamard8_diff8x8_num,

  altivec_hadamard8_diff16_num,

  altivec_avg_pixels8_xy2_num,

  powerpc_clear_blocks_dcbz32,

  powerpc_clear_blocks_dcbz128,

  altivec_put_h264_chroma_mc8_num,

  altivec_avg_h264_chroma_mc8_num,

  altivec_put_h264_qpel16_h_lowpass_num,

  altivec_avg_h264_qpel16_h_lowpass_num,

  altivec_put_h264_qpel16_v_lowpass_num,

  altivec_avg_h264_qpel16_v_lowpass_num,

  altivec_put_h264_qpel16_hv_lowpass_num,

  altivec_avg_h264_qpel16_hv_lowpass_num,

  powerpc_perf_total

};

enum powerpc_data_index {

  powerpc_data_min = 0,

  powerpc_data_max,

  powerpc_data_sum,

  powerpc_data_num,

  powerpc_data_total

};

extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];

#ifndef POWERPC_MODE_64BITS

#define POWERP_PMC_DATATYPE unsigned long

#define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 937" : "=r" (a))

#define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 938" : "=r" (a))

#if (POWERPC_NUM_PMC_ENABLED > 2)

#define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 941" : "=r" (a))

#define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 942" : "=r" (a))

#else

#define POWERPC_GET_PMC3(a) do {} while (0)

#define POWERPC_GET_PMC4(a) do {} while (0)

#endif

#if (POWERPC_NUM_PMC_ENABLED > 4)

#define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 929" : "=r" (a))

#define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 930" : "=r" (a))

#else

#define POWERPC_GET_PMC5(a) do {} while (0)

#define POWERPC_GET_PMC6(a) do {} while (0)

#endif

#else /* POWERPC_MODE_64BITS */

#define POWERP_PMC_DATATYPE unsigned long long

#define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 771" : "=r" (a))

#define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 772" : "=r" (a))

#if (POWERPC_NUM_PMC_ENABLED > 2)

#define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 773" : "=r" (a))

#define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 774" : "=r" (a))

#else

#define POWERPC_GET_PMC3(a) do {} while (0)

#define POWERPC_GET_PMC4(a) do {} while (0)

#endif

#if (POWERPC_NUM_PMC_ENABLED > 4)

#define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 775" : "=r" (a))

#define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 776" : "=r" (a))

#else

#define POWERPC_GET_PMC5(a) do {} while (0)

#define POWERPC_GET_PMC6(a) do {} while (0)

#endif

#endif /* POWERPC_MODE_64BITS */

#define POWERPC_PERF_DECLARE(a, cond)   \

  POWERP_PMC_DATATYPE                   \

    pmc_start[POWERPC_NUM_PMC_ENABLED], \

    pmc_stop[POWERPC_NUM_PMC_ENABLED],  \

    pmc_loop_index;

#define POWERPC_PERF_START_COUNT(a, cond) do { \

  POWERPC_GET_PMC6(pmc_start[5]); \

  POWERPC_GET_PMC5(pmc_start[4]); \

  POWERPC_GET_PMC4(pmc_start[3]); \

  POWERPC_GET_PMC3(pmc_start[2]); \

  POWERPC_GET_PMC2(pmc_start[1]); \

  POWERPC_GET_PMC1(pmc_start[0]); \

  } while (0)

#define POWERPC_PERF_STOP_COUNT(a, cond) do { \

  POWERPC_GET_PMC1(pmc_stop[0]); \

  POWERPC_GET_PMC2(pmc_stop[1]); \

  POWERPC_GET_PMC3(pmc_stop[2]); \

  POWERPC_GET_PMC4(pmc_stop[3]); \

  POWERPC_GET_PMC5(pmc_stop[4]); \

  POWERPC_GET_PMC6(pmc_stop[5]); \

  if (cond)                       \

  {                               \

    for(pmc_loop_index = 0;       \

        pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \

        pmc_loop_index++)         \

    {                             \

      if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index])  \

        {                                                         \

        POWERP_PMC_DATATYPE diff =                                \

          pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index];   \

        if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \

          perfdata[pmc_loop_index][a][powerpc_data_min] = diff;   \

        if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \

          perfdata[pmc_loop_index][a][powerpc_data_max] = diff;   \

        perfdata[pmc_loop_index][a][powerpc_data_sum] += diff;    \

        perfdata[pmc_loop_index][a][powerpc_data_num] ++;         \

      }                           \

    }                             \

  }                               \

} while (0)

#else /* POWERPC_PERFORMANCE_REPORT */

// those are needed to avoid empty statements.

#define POWERPC_PERF_DECLARE(a, cond)        int altivec_placeholder __attribute__ ((unused))

#define POWERPC_PERF_START_COUNT(a, cond)    do {} while (0)

#define POWERPC_PERF_STOP_COUNT(a, cond)     do {} while (0)

#endif /* POWERPC_PERFORMANCE_REPORT */

#endif /*  _DSPUTIL_PPC_ */