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authorHung-Te Lin <hungte@chromium.org>2013-03-13 18:08:29 +0800
committerRonald G. Minnich <rminnich@gmail.com>2013-03-13 17:37:09 +0100
commite112b746e0559a4a31bfe0eccbf0cabef89630c8 (patch)
treee174bc64ecf8c92b2d20ec99091c18b66f238eac /payloads/libpayload/include/endian.h
parenta0996a9c7c445b891ce9e87ba63b16f2fe271582 (diff)
downloadcoreboot-e112b746e0559a4a31bfe0eccbf0cabef89630c8.tar.xz
libpayloads: Provide BSD/glibc style endian functions.
The functions in endian.h (betoh{l,w,ll} and others) were named differently from the well-known BSD/glibc style endian functions (ex, betoh{16,32,64}). We should provide the BSD/glibc style functions to prevent confusion. Change-Id: Ia3bee481ba7989ac25b79ddb89bc6819d52fd8c3 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: http://review.coreboot.org/2705 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'payloads/libpayload/include/endian.h')
-rw-r--r--payloads/libpayload/include/endian.h69
1 files changed, 42 insertions, 27 deletions
diff --git a/payloads/libpayload/include/endian.h b/payloads/libpayload/include/endian.h
index cd805e0f4e..941dd1012f 100644
--- a/payloads/libpayload/include/endian.h
+++ b/payloads/libpayload/include/endian.h
@@ -32,26 +32,27 @@
#define swap_bytes64(in) (((uint64_t)swap_bytes32((uint32_t)(in)) << 32) | \
((uint64_t)swap_bytes32((uint32_t)((in) >> 32))))
+/* Endian functions from glibc 2.9 / BSD "endian.h" */
#if defined CONFIG_BIG_ENDIAN
-#define htobew(in) (in)
-#define htobel(in) (in)
-#define htobell(in) (in)
+#define htobe16(in) (in)
+#define htobe32(in) (in)
+#define htobe64(in) (in)
-#define htolew(in) swap_bytes16(in)
-#define htolel(in) swap_bytes32(in)
-#define htolell(in) swap_bytes64(in)
+#define htole16(in) swap_bytes16(in)
+#define htole32(in) swap_bytes32(in)
+#define htole64(in) swap_bytes64(in)
#elif defined CONFIG_LITTLE_ENDIAN
-#define htobew(in) swap_bytes16(in)
-#define htobel(in) swap_bytes32(in)
-#define htobell(in) swap_bytes64(in)
+#define htobe16(in) swap_bytes16(in)
+#define htobe32(in) swap_bytes32(in)
+#define htobe64(in) swap_bytes64(in)
-#define htolew(in) (in)
-#define htolel(in) (in)
-#define htolell(in) (in)
+#define htole16(in) (in)
+#define htole32(in) (in)
+#define htole64(in) (in)
#else
@@ -59,20 +60,34 @@
#endif
-#define betohw(in) htobew(in)
-#define betohl(in) htobel(in)
-#define betohll(in) htobell(in)
-
-#define letohw(in) htolew(in)
-#define letohl(in) htolel(in)
-#define letohll(in) htolell(in)
-
-#define htonw(in) htobew(in)
-#define htonl(in) htobel(in)
-#define htonll(in) htobell(in)
-
-#define ntohw(in) htonw(in)
-#define ntohl(in) htonl(in)
-#define ntohll(in) htonll(in)
+#define be16toh(in) htobe16(in)
+#define be32toh(in) htobe32(in)
+#define be64toh(in) htobe64(in)
+
+#define le16toh(in) htole16(in)
+#define le32toh(in) htole32(in)
+#define le64toh(in) htole64(in)
+
+#define htonw(in) htobe16(in)
+#define htonl(in) htobe32(in)
+#define htonll(in) htobe64(in)
+
+#define ntohw(in) be16toh(in)
+#define ntohl(in) be32toh(in)
+#define ntohll(in) be64toh(in)
+
+/* Deprecated names (not in glibc / BSD) */
+#define htobew(in) htobe16(in)
+#define htobel(in) htobe32(in)
+#define htobell(in) htobe64(in)
+#define htolew(in) htole16(in)
+#define htolel(in) htole32(in)
+#define htolell(in) htole64(in)
+#define betohw(in) be16toh(in)
+#define betohl(in) be32toh(in)
+#define betohll(in) be64toh(in)
+#define letohw(in) le16toh(in)
+#define letohl(in) le32toh(in)
+#define letohll(in) le64toh(in)
#endif