Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / include / asm / utils.h

diff --git a/qemu/roms/u-boot/arch/arm/include/asm/utils.h b/qemu/roms/u-boot/arch/arm/include/asm/utils.h
new file mode 100644 (file)
index 0000000..1b3f1a0
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/include/asm/utils.h
@@ -0,0 +1,40 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ * Aneesh V <aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+static inline s32 log_2_n_round_up(u32 n)
+{
+       s32 log2n = -1;
+       u32 temp = n;
+
+       while (temp) {
+               log2n++;
+               temp >>= 1;
+       }
+
+       if (n & (n - 1))
+               return log2n + 1; /* not power of 2 - round up */
+       else
+               return log2n; /* power of 2 */
+}
+
+static inline s32 log_2_n_round_down(u32 n)
+{
+       s32 log2n = -1;
+       u32 temp = n;
+
+       while (temp) {
+               log2n++;
+               temp >>= 1;
+       }
+
+       return log2n;
+}
+
+#endif