]> git.proxmox.com Git - qemu.git/blobdiff - bswap.h
user: Restore debug usage message for '-d ?' in user mode emulation
[qemu.git] / bswap.h
diff --git a/bswap.h b/bswap.h
index 864bbebf9be73f5d5935ed60d15c25fc3d577494..82a79517db971137f72d6c160b5721af131e6721 100644 (file)
--- a/bswap.h
+++ b/bswap.h
@@ -11,7 +11,7 @@
 #include <machine/bswap.h>
 #else
 
-#ifdef HAVE_BYTESWAP_H
+#ifdef CONFIG_BYTESWAP_H
 #include <byteswap.h>
 #else
 
@@ -47,7 +47,7 @@
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
 })
 
-#endif /* !HAVE_BYTESWAP_H */
+#endif /* !CONFIG_BYTESWAP_H */
 
 static inline uint16_t bswap16(uint16_t x)
 {
@@ -81,7 +81,7 @@ static inline void bswap64s(uint64_t *s)
     *s = bswap64(*s);
 }
 
-#if defined(WORDS_BIGENDIAN)
+#if defined(HOST_WORDS_BIGENDIAN)
 #define be_bswap(v, size) (v)
 #define le_bswap(v, size) bswap ## size(v)
 #define be_bswaps(v, size)
@@ -144,6 +144,7 @@ CPU_CONVERT(le, 64, uint64_t)
 
 #define cpu_to_be16wu(p, v) cpu_to_be16w(p, v)
 #define cpu_to_be32wu(p, v) cpu_to_be32w(p, v)
+#define cpu_to_be64wu(p, v) cpu_to_be64w(p, v)
 
 #else
 
@@ -201,12 +202,28 @@ static inline void cpu_to_be32wu(uint32_t *p, uint32_t v)
     p1[3] = v & 0xff;
 }
 
+static inline void cpu_to_be64wu(uint64_t *p, uint64_t v)
+{
+    uint8_t *p1 = (uint8_t *)p;
+
+    p1[0] = v >> 56;
+    p1[1] = v >> 48;
+    p1[2] = v >> 40;
+    p1[3] = v >> 32;
+    p1[4] = v >> 24;
+    p1[5] = v >> 16;
+    p1[6] = v >> 8;
+    p1[7] = v & 0xff;
+}
+
 #endif
 
-#ifdef WORDS_BIGENDIAN
+#ifdef HOST_WORDS_BIGENDIAN
 #define cpu_to_32wu cpu_to_be32wu
+#define leul_to_cpu(v) glue(glue(le,HOST_LONG_BITS),_to_cpu)(v)
 #else
 #define cpu_to_32wu cpu_to_le32wu
+#define leul_to_cpu(v) (v)
 #endif
 
 #undef le_bswap
@@ -214,4 +231,10 @@ static inline void cpu_to_be32wu(uint32_t *p, uint32_t v)
 #undef le_bswaps
 #undef be_bswaps
 
+/* len must be one of 1, 2, 4 */
+static inline uint32_t qemu_bswap_len(uint32_t value, int len)
+{
+    return bswap32(value) >> (32 - 8 * len);
+}
+
 #endif /* BSWAP_H */