refactor[osal]: Refactor C++ osal file to C

1. Refactor osal cpp files to c. 2. Update osal license to Apache-2.0 OR MIT. 3. Remove windows support. Signed-off-by: Herman Chen <herman.chen@rock-chips.com> Change-Id: Ic5545d861676880f7a6247515404d585cd4fcef5
2025-10-07 10:00:55 +08:00 · 2025-09-02 17:23:33 +08:00
parent 6666925dab
commit ca061993ef
78 changed files with 177 additions and 2665 deletions
--- a/osal/mpp_common.c
+++ b/osal/mpp_common.c
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: Apache-2.0 OR MIT */
+/*
+ * Copyright (c) 2015 Rockchip Electronics Co., Ltd.
+ */
+
+#include "mpp_common.h"
+
+static const RK_U8 log2_tab[256] = {
+    0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
+};
+
+RK_S32 mpp_log2(RK_U32 v)
+{
+    RK_S32 n = 0;
+
+    if (v & 0xffff0000) {
+        v >>= 16;
+        n += 16;
+    }
+    if (v & 0xff00) {
+        v >>= 8;
+        n += 8;
+    }
+    n += log2_tab[v];
+
+    return n;
+}
+
+RK_S32 mpp_log2_16bit(RK_U32 v)
+{
+    RK_S32 n = 0;
+
+    if (v & 0xff00) {
+        v >>= 8;
+        n += 8;
+    }
+    n += log2_tab[v];
+
+    return n;
+}
+
+RK_S32 axb_div_c(RK_S32 a, RK_S32 b, RK_S32 c)
+{
+    RK_U32 left = 32;
+    RK_U32 right = 0;
+    RK_U32 shift;
+    RK_S32 sign = 1;
+    RK_S32 tmp;
+
+    if (a == 0 || b == 0)
+        return 0;
+    else if ((a * b / b) == a && c != 0)
+        return (a * b / c);
+
+    if (a < 0) {
+        sign = -1;
+        a = -a;
+    }
+    if (b < 0) {
+        sign *= -1;
+        b = -b;
+    }
+    if (c < 0) {
+        sign *= -1;
+        c = -c;
+    }
+
+    if (c == 0)
+        return 0x7FFFFFFF * sign;
+
+    if (b > a) {
+        tmp = b;
+        b = a;
+        a = tmp;
+    }
+
+    for (--left; (((RK_U32)a << left) >> left) != (RK_U32)a; --left)
+        ;
+
+    left--;
+
+    while (((RK_U32)b >> right) > (RK_U32)c)
+        right++;
+
+    if (right > left) {
+        return 0x7FFFFFFF * sign;
+    } else {
+        shift = left - right;
+        return (RK_S32)((((RK_U32)a << shift) /
+                         (RK_U32)c * (RK_U32)b) >> shift) * sign;
+    }
+}
+
+RK_U32 mpp_align_16(RK_U32 val)
+{
+    return MPP_ALIGN(val, 16);
+}
+
+RK_U32 mpp_align_64(RK_U32 val)
+{
+    return MPP_ALIGN(val, 64);
+}
+
+RK_U32 mpp_align_128(RK_U32 val)
+{
+    return MPP_ALIGN(val, 128);
+}
+
+RK_U32 mpp_align_256_odd(RK_U32 val)
+{
+    return MPP_ALIGN(val, 256) | 256;
+}
+
+RK_U32 mpp_align_128_odd_plus_64(RK_U32 val)
+{
+    val = MPP_ALIGN(val, 64);
+    if (((val - 64) % 256 == 128))
+        return val;
+    else
+        return ((MPP_ALIGN(val, 128) | 128) + 64);
+}