#include <stdarg.h>
#include <serial.h>
-static char *bf;
-static char zs;
+/*
+ * This code in here may execute before the DRAM is initialised, so
+ * we should make sure that it doesn't touch BSS, which some boards
+ * put in DRAM.
+ */
+static char *bf __attribute__ ((section(".data")));
+static char zs __attribute__ ((section(".data")));
/* Current position in sprintf() output string */
-static char *outstr;
+static char *outstr __attribute__ ((section(".data")));
static void out(char c)
{
return 0;
}
+int vprintf(const char *fmt, va_list va)
+{
+ return _vprintf(fmt, va, putc);
+}
+
int printf(const char *fmt, ...)
{
va_list va;
*outstr++ = ch;
}
+int sprintf(char *buf, const char *fmt, ...)
+{
+ va_list va;
+ int ret;
+
+ va_start(va, fmt);
+ outstr = buf;
+ ret = _vprintf(fmt, va, putc_outstr);
+ va_end(va);
+ *outstr = '\0';
+
+ return ret;
+}
+
/* Note that size is ignored */
int snprintf(char *buf, size_t size, const char *fmt, ...)
{
return ret;
}
+
+void __assert_fail(const char *assertion, const char *file, unsigned line,
+ const char *function)
+{
+ /* This will not return */
+ printf("%s:%u: %s: Assertion `%s' failed.", file, line, function,
+ assertion);
+ hang();
+}