diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/tools/ncb.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/tools/ncb.c')
-rw-r--r-- | qemu/roms/u-boot/tools/ncb.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/ncb.c b/qemu/roms/u-boot/tools/ncb.c new file mode 100644 index 000000000..ec8d8a743 --- /dev/null +++ b/qemu/roms/u-boot/tools/ncb.c @@ -0,0 +1,38 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/socket.h> +#include <netinet/in.h> + +int main (int argc, char *argv[]) +{ + int s, len, o, port = 6666; + char buf[512]; + struct sockaddr_in addr; + socklen_t addr_len = sizeof addr; + + if (argc > 1) + port = atoi (argv[1]); + + s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); + + o = 1; + len = 4; + setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len); + + addr.sin_family = AF_INET; + addr.sin_port = htons (port); + addr.sin_addr.s_addr = INADDR_ANY; /* receive broadcasts */ + + bind (s, (struct sockaddr *) &addr, sizeof addr); + + for (;;) { + len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len); + if (len < 0) + break; + if (write (1, buf, len) != len) + fprintf(stderr, "WARNING: serial characters dropped\n"); + } + + return 0; +} |