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-rw-r--r--tools/Makefile12
-rw-r--r--tools/inca-swap-bytes.c38
2 files changed, 50 insertions, 0 deletions
diff --git a/tools/Makefile b/tools/Makefile
index 41bcc59..35c60b6 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -25,6 +25,11 @@ BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SF
OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o
+ifeq ($(ARCH),mips)
+BINS += inca-swap-bytes$(SFX)
+OBJS += inca-swap-bytes.o
+endif
+
LOGO_H = $(TOPDIR)/include/bmp_logo.h
ifeq ($(LOGO_BMP),)
@@ -133,6 +138,10 @@ bmp_logo$(SFX): bmp_logo.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
+inca-swap-bytes$(SFX): inca-swap-bytes.o
+ $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
+ $(STRIP) $@
+
envcrc.o: envcrc.c
$(CC) -g $(CFLAGS) -c $<
@@ -145,6 +154,9 @@ mkimage.o: mkimage.c
gen_eth_addr.o: gen_eth_addr.c
$(CC) -g $(CFLAGS) -c $<
+inca-swap-bytes.o: inca-swap-bytes.c
+ $(CC) -g $(CFLAGS) -c $<
+
subdirs:
@for dir in $(TOOLSUBDIRS) ; do \
$(MAKE) \
diff --git a/tools/inca-swap-bytes.c b/tools/inca-swap-bytes.c
new file mode 100644
index 0000000..3a6d82d
--- /dev/null
+++ b/tools/inca-swap-bytes.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef BUFSIZ
+# define BUFSIZ 4096
+#endif
+
+#undef BUFSIZ
+# define BUFSIZ 64
+int main (void)
+{
+ short ibuff[BUFSIZ], obuff[BUFSIZ];
+ int rc, i, len;
+
+ while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) {
+ memset (obuff, 0, sizeof (obuff));
+ for (i = 0; i < (rc + 1) / 2; i++) {
+ obuff[i] = ibuff[i ^ 1];
+ }
+
+ len = (rc + 1) & ~1;
+
+ if (write (1, obuff, len) != len) {
+ perror ("read error");
+ return (EXIT_FAILURE);
+ }
+
+ memset (ibuff, 0, sizeof (ibuff));
+ }
+
+ if (rc < 0) {
+ perror ("read error");
+ return (EXIT_FAILURE);
+ }
+ return (EXIT_SUCCESS);
+}