diff options
Diffstat (limited to 'hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/dsp_comm.c')
-rw-r--r-- | hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/dsp_comm.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/dsp_comm.c b/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/dsp_comm.c deleted file mode 100644 index 290ca9dd..00000000 --- a/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/dsp_comm.c +++ /dev/null @@ -1,75 +0,0 @@ -/******************************************************************************* -* Copyright (C) 2018 Cadence Design Systems, Inc. -* -* Permission is hereby granted, free of charge, to any person obtaining -* a copy of this software and associated documentation files (the -* "Software"), to use this Software with Cadence processor cores only and -* not with any other processors and platforms, subject to -* the following conditions: -* -* The above copyright notice and this permission notice shall be included -* in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -******************************************************************************/ - -#include "dsp_comm.h" - -void dsp_memcpy(void *d, void *s, unsigned int size) -{ - unsigned char *dest = (unsigned char*)d; - unsigned char *src = (unsigned char*)s; - - if (s == d) { - return; - } else if (src > dest) { - for (; dest < ((unsigned char*)d + size); dest++) { - *dest = *src; - src++; - } - } else { - src = src + (size - 1); - for (dest = dest + (size - 1); dest >= (unsigned char*)d; dest--) { - *dest = *src; - src--; - } - } -} - - -void dsp_memset(void *d, unsigned char ucData, unsigned int size) -{ - unsigned int i; - unsigned char *dest = (unsigned char*)d; - - for(i = 0; i < size; i++) - *dest++ = ucData; -} -int division(int a, int b) -{ - const int bits_in_word_m1 = (int)(sizeof(int) * 8) - 1; - int s_a = a >> bits_in_word_m1; /* s_a = a < 0 ? -1 : 0 */ - int s_b = b >> bits_in_word_m1; /* s_b = b < 0 ? -1 : 0 */ - a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ - b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ - s_a ^= s_b; /* sign of quotient */ - /* - * On CPUs without unsigned hardware division support, - * this calls __udivsi3 (notice the cast to su_int). - * On CPUs with unsigned hardware division support, - * this uses the unsigned division instruction. - */ - return ((int)a/(int)b ^ s_a) - s_a; /* negate if s_a == -1 */ - -} - - - - |