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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-28 22:30:48 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-28 22:30:48 +0000
commit88738c09ab04fb10dc63204cb02f8992a43d1de0 (patch)
treed9fa68f5c139136489ddacff86f1b49583f82385 /bswap.h
parentf94f7181950b9d028a919274f4787076242690b5 (diff)
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e1000: fix unaligned access
(Tristan Gingold) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4121 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'bswap.h')
-rw-r--r--bswap.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/bswap.h b/bswap.h
index 970c1bb..523d805 100644
--- a/bswap.h
+++ b/bswap.h
@@ -132,6 +132,7 @@ CPU_CONVERT(le, 64, uint64_t)
#define cpu_to_le32wu(p, v) cpu_to_le32w(p, v)
#define le16_to_cpupu(p) le16_to_cpup(p)
#define le32_to_cpupu(p) le32_to_cpup(p)
+#define be32_to_cpupu(p) be32_to_cpup(p)
#define cpu_to_be16wu(p, v) cpu_to_be16w(p, v)
#define cpu_to_be32wu(p, v) cpu_to_be32w(p, v)
@@ -168,6 +169,12 @@ static inline uint32_t le32_to_cpupu(const uint32_t *p)
return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24);
}
+static inline uint32_t be32_to_cpupu(const uint32_t *p)
+{
+ const uint8_t *p1 = (const uint8_t *)p;
+ return p1[3] | (p1[2] << 8) | (p1[1] << 16) | (p1[0] << 24);
+}
+
static inline void cpu_to_be16wu(uint16_t *p, uint16_t v)
{
uint8_t *p1 = (uint8_t *)p;