Merge pull request #145 from riscv/rbb_win

Fix Windows build

.travis.yml

@@ -4,11 +4,16 @@ dist: trusty
 matrix:
     include:
         - os: linux
-          env: BUILD=x86_64-linux-gnu
+          env:
+              - BUILD=x86_64-linux-gnu
+              - EXECUTABLE=openocd
           compiler: gcc
 
         - os: linux
-          env: BUILD=i686-linux-gnu CFLAGS=-m32
+          env:
+              - BUILD=i686-linux-gnu
+              - CFLAGS=-m32
+              - EXECUTABLE=openocd
           addons:
               apt:
                   packages:
@@ -16,17 +21,33 @@ matrix:
           compiler: gcc
 
         - os: linux
-          env: BUILD=x86_64-linux-gnu
+          env:
+              - BUILD=x86_64-linux-gnu
+              - EXECUTABLE=openocd
           compiler: clang
 
         - os: linux
-          env: BUILD=i686-linux-gnu CFLAGS=-m32
+          env:
+              - BUILD=i686-linux-gnu 
+              - CFLAGS=-m32
+              - EXECUTABLE=openocd
           compiler: clang
           addons:
               apt:
                   packages:
                       - gcc-multilib
 
+        - os: linux
+          env: 
+              - BUILD=i686-w64-mingw
+              - CONFIGURE_ARGS="--build=i686-unknown-linux-gnu --host=i686-w64-mingw32"
+              - EXECUTABLE=openocd.exe
+          compiler: i686-w64-mingw32-gcc
+          addons:
+              apt:
+                  packages:
+                      - binutils-mingw-w64-i686 gcc-mingw-w64-i686 g++-mingw-w64-i686
+
 script:
-    - ./bootstrap && ./configure --enable-remote-bitbang --enable-jtag_vpi && make
+    - ./bootstrap && ./configure --enable-remote-bitbang --enable-jtag_vpi $CONFIGURE_ARGS && make
-    - file src/openocd
+    - file src/$EXECUTABLE

src/helper/replacements.h

@@ -199,6 +199,17 @@ static inline int close_socket(int sock)
 #endif
 }
 
+static inline void socket_block(int fd)
+{
+#ifdef _WIN32
+	unsigned long nonblock = 0;
+	ioctlsocket(fd, FIONBIO, &nonblock);
+#else
+	int oldopts = fcntl(fd, F_GETFL, 0);
+	fcntl(fd, F_SETFL, oldopts & ~O_NONBLOCK);
+#endif
+}
+
 static inline void socket_nonblock(int fd)
 {
 #ifdef _WIN32

src/jtag/drivers/remote_bitbang.c

@@ -59,7 +59,7 @@ static int remote_bitbang_buf_full(void)
 /* Read any incoming data, placing it into the buffer. */
 static void remote_bitbang_fill_buf(void)
 {
-	fcntl(remote_bitbang_fd, F_SETFL, O_NONBLOCK);
+	socket_nonblock(remote_bitbang_fd);
 	while (!remote_bitbang_buf_full()) {
 		unsigned contiguous_available_space;
 		if (remote_bitbang_end >= remote_bitbang_start) {
@@ -148,7 +148,7 @@ static int remote_bitbang_rread(void)
 	}
 
 	/* Enable blocking access. */
-	fcntl(remote_bitbang_fd, F_SETFL, 0);
+	socket_block(remote_bitbang_fd);
 	char c;
 	ssize_t count = read(remote_bitbang_fd, &c, 1);
 	if (count == 1) {