fix framebufffer/ textmode and clean userspace a little bit more

1 files changed, 9 insertions, 0 deletions

diff --git a/userspace/test_sysfs.c b/userspace/test_sysfs.c
new file mode 100644
index 0000000..9f91632
--- /dev/null
+++ b/userspace/test_sysfs.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+int main()
+{
+    FILE *f=fopen("/sys/mem","w");
+    uint32_t data=0xaabbccdd;
+    fwrite(&data,4,1,f);
+//    fclose(f); // not automatically by newlib?
+//    fflush(f);
+}