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-rw-r--r--driver_fw/base.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/driver_fw/base.c b/driver_fw/base.c
new file mode 100644
index 0000000..75befcb
--- /dev/null
+++ b/driver_fw/base.c
@@ -0,0 +1,28 @@
+
+#include <unistd.h>
+
+int __errno = 0;
+void *_impure_ptr = NULL;
+
+void __sinit(void) {
+}
+
+void *memset(void *s, int c, size_t n) {
+ char *end = (char *)s + n;
+ for (char *p = (char *)s; p < end; p++)
+ *p = (char)c;
+ return s;
+}
+
+size_t strlen(const char *s) {
+ const char *start = s;
+ while (*s++);
+ return s - start - 1;
+}
+
+char *strcpy(char *dst, const char *src) {
+ char *p = dst;
+ while (*src)
+ *p++ = *src++;
+ return dst;
+}