1 files changed, 19 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_write.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_write.c
new file mode 100644
index 000000000..bfcf0cb2b
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_write.c
@@ -0,0 +1,19 @@
+#include <metal/tty.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+
+/* Write to a file.  */
+ssize_t
+_write(int file, const void *ptr, size_t len)
+{
+  if (file != STDOUT_FILENO) {
+    errno = ENOSYS;
+    return -1;
+  }
+
+  const char *bptr = ptr;
+  for (size_t i = 0; i < len; ++i)
+    metal_tty_putc(bptr[i]);
+  return 0;
+}