add cvikernel

commit 9f1f57a19c3c281a931dfc71b318494487193d56
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Mon May 13 13:58:23 2024 +0800

    [feat] cvikernel opensource for cv18xx soc.

    - 79b6a7, set lookup_interp_table layer_id.

cvikernel/src/bm_kernel.c

@@ -0,0 +1,67 @@
+#include "kernel_internal.h"
+
+shape_t shape_t4(int n, int c, int h, int w)
+{
+  shape_t s;
+  s.n = n;
+  s.c = c;
+  s.h = h;
+  s.w = w;
+  s.dim = 4;
+  return s;
+}
+
+shape_t shape_t3(int c, int h, int w)
+{
+  shape_t s;
+  s.n = 1;
+  s.c = c;
+  s.h = h;
+  s.w = w;
+  s.dim = 3;
+  return s;
+}
+
+shape_t shape_t2(int row, int col)
+{
+  shape_t s;
+  s.n = 1;
+  s.c = 1;
+  s.h = row;
+  s.w = col;
+  s.dim = 2;
+  return s;
+}
+
+shape_t shape_t1(int len)
+{
+  int row = 1, col = len;
+  while (col >= 65536) {
+    ASSERT(col % 2 == 0);
+    col /= 2;
+    row *= 2;
+  }
+  shape_t s = {
+    .dim = 2,
+    .n = 1,
+    .c = 1,
+    .h = row,
+    .w = col,
+  };
+  return s;
+}
+
+uint8_t shape_equal(shape_t s1, shape_t s2)
+{
+  return (s1.dim == s2.dim) &&
+      (s1.n == s2.n) &&
+      (s1.c == s2.c) &&
+      (s1.h == s2.h) &&
+      (s1.w == s2.w);
+}
+
+void tl_reshape(tensor_lmem *tlp, shape_t shape)
+{
+  ASSERT(tlp);
+  tlp->shape = shape;
+}