include/ppsi-wrappers.h: provide some missing bits

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

include/ppsi-wrappers.h: provide some missing bits
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
e63500c8 · Alessandro Rubini · c1eee4db · e63500c8 · e63500c8
Commit e63500c8 authored Feb 19, 2013 by Alessandro Rubini
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Makefile Makefile +1 -0

ppsi-wrappers.h include/ppsi-wrappers.h +22 -0

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--- a/Makefile
+++ b/Makefile
@@ -68,6 +68,7 @@ obj-$(CONFIG_PTP_NOPOSIX) += wrc_ptp.o \

 cflags-$(CONFIG_PPSI) += \
 	-ffreestanding \
+	-include include/ppsi-wrappers.h \
 	-Iinclude \
 	-I$(PPSI)/include \
 	-I$(PPSI)/arch-spec/include \

--- a/include/ppsi-wrappers.h
+++ b/include/ppsi-wrappers.h
+/*
+ * This includes stuff that is needed to link ppsi into wrpc-sw
+ *
+ * It is included by the command line (-include) like ptp-noposix's
+ * ptpd-wrappers.h is. It is a subset of that file, with only needed stuff
+ */
+#include <sys/types.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifndef __IEEE_BIG_ENDIAN
+#error "Not big endian, or unknown endianness"
+#endif
+
+static inline uint16_t ntohs(uint16_t x) {return x;}
+
+static inline int usleep(useconds_t useconds)
+{
+	while(useconds--)
+		asm volatile("nop");
+	return 0;
+}