From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Cc: Aurelien Jarno <aurelien@aurel32.net>
Subject: [Qemu-devel] [PATCH 1/2] bswap.h: add cpu_to_be64wu()
Date: Sat, 1 Jan 2011 21:50:33 +0100 [thread overview]
Message-ID: <1293915034-26391-1-git-send-email-aurelien@aurel32.net> (raw)
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
bswap.h | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/bswap.h b/bswap.h
index 20caae6..82a7951 100644
--- a/bswap.h
+++ b/bswap.h
@@ -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
@@ -201,6 +202,20 @@ 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 HOST_WORDS_BIGENDIAN
--
1.7.2.3
next reply other threads:[~2011-01-01 20:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-01 20:50 Aurelien Jarno [this message]
2011-01-01 20:50 ` [Qemu-devel] [PATCH 2/2] qcow2: fix unaligned access Aurelien Jarno
2011-01-10 9:07 ` Kevin Wolf
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