usb.patch, with conflicts and some warnings fixed

[pintos-anon] / src / lib / endian.h

diff --git a/src/lib/endian.h b/src/lib/endian.h
new file mode 100644 (file)
index 0000000..7e5fc32
--- /dev/null
+++ b/src/lib/endian.h
@@ -0,0 +1,19 @@
+#ifndef __LIB_ENDIAN_H
+#define __LIB_ENDIAN_H
+
+
+#define endian_swap32(x)       ((((x) & 0xff000000) >> 24) | \
+                                  (((x) & 0x00ff0000) >> 8)  | \
+                                  (((x) & 0x0000ff00) << 8)  | \
+                                  (((x) & 0x000000ff) << 24))
+#define endian_swap16(x)        ((((x) & 0xff00)>> 8) | (((x) & 0x00ff) << 8))
+#define endian_swap24(x)       (((x) >> 16) & 0xff) | (((x) & 0xff) << 16) | ((x) & 0xff00)
+
+#define be32_to_machine(x)     endian_swap32(x)
+#define be16_to_machine(x)     endian_swap16(x)
+#define be24_to_machine(x)     endian_swap24(x)
+#define machine_to_be32(x)     endian_swap32(x)
+#define machine_to_be16(x)     endian_swap16(x)
+#define machine_to_be24(x)     endian_swap24(x)
+
+#endif