1 files changed, 89 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/cruft/buf_ram_test.c b/firmware/microblaze/apps/cruft/buf_ram_test.c
new file mode 100644
index 000000000..1aca2aec5
--- /dev/null
+++ b/firmware/microblaze/apps/cruft/buf_ram_test.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "u2_init.h"
+#include "memory_map.h"
+#include <stdbool.h>
+#include "nonstdio.h"
+#include "hal_io.h"
+#include "mdelay.h"
+
+
+static void
+write_bufs(void)
+{
+  int	i, n;
+  int	counter = 0;
+
+  for (n = 0; n < NBUFFERS; n++){
+    volatile int *p = buffer_ram(n);
+    for (i = 0; i < BP_NLINES; i++)
+      p[i] = counter++;
+  }
+}
+
+// return number of errors detected
+static int
+check_bufs(void)
+{
+  int	i, n;
+  int	counter = 0;
+  int	nerrors = 0;
+
+  for (n = 0; n < NBUFFERS; n++){
+    volatile int *p = buffer_ram(n);
+    for (i = 0; i < BP_NLINES; i++, counter++){
+      int rd = p[i];
+      if (rd != counter){
+	putchar('b');
+	putchar(n + '0');
+	putchar('[');
+	puthex16(i);
+	putstr("] exp: ");
+	puthex32(counter);
+	putstr(" got: ");
+	puthex32_nl(rd);
+	nerrors++;
+      }
+    }
+  }
+  return nerrors;
+}
+
+
+int
+main(void)
+{
+  u2_init();
+
+  output_regs->leds = 0;
+
+  write_bufs();
+  int nerrors = check_bufs();
+
+  if (nerrors == 0){
+    output_regs->leds = 0x3;		// leds on  -> PASS
+    putstr("PASS\n");
+  }
+  else {
+    output_regs->leds = 0x0;		// leds off -> FAIL
+    putstr("FAIL\n");
+  }
+
+  hal_finish();
+  return 0;
+}