1 files changed, 39 insertions, 0 deletions
diff --git a/firmware/usrp2/bin/bin_to_ram_macro_init.py b/firmware/usrp2/bin/bin_to_ram_macro_init.py
new file mode 100755
index 000000000..bf8abb19a
--- /dev/null
+++ b/firmware/usrp2/bin/bin_to_ram_macro_init.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+import struct
+import sys
+
+BOOTRAM_SIZE = 16384
+
+def do_8_words(ofile, which_ram, row, words):
+    ofile.write("defparam bootram.RAM%d.INIT_%02X=256'h" % (which_ram, row))
+    ofile.write("%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x;\n" % (
+        words[7], words[6], words[5], words[4], words[3], words[2], words[1], words[0]))
+
+def bin_to_ram_macro_init(bin_input_file, ram_init_output_file):
+    ifile = open(bin_input_file, 'rb')
+    ofile = open(ram_init_output_file, 'w')
+    idata = ifile.read()
+    idata_words = len(idata) / 4
+    fmt = ">%dI"%idata_words
+    words = struct.unpack(fmt, idata[:idata_words*4])
+
+    # pad to a multiple of 8 words
+    r = len(words) % 8
+    if r != 0:
+        words += (8 - r) * (0,)
+
+    if len(words) > (BOOTRAM_SIZE / 4):
+        sys.stderr.write("bin_to_macro_init: error: input file %s is > %dKiB\n" % (bin_input_file,BOOTRAM_SIZE))
+        sys.exit(1)
+
+    for q in range(0, BOOTRAM_SIZE/4, 512):
+        for i in range(q, min(q+512, len(words)), 8):
+            do_8_words(ofile, int(q / 512), (i/8) % 64, words[i:i+8])
+
+if __name__ == '__main__':
+    if len(sys.argv) != 3:
+        sys.stderr.write("usage: bin_to_ram_macro_init bin_input_file ram_init_output_file\n")
+        sys.exit(1)
+    
+    bin_to_ram_macro_init(sys.argv[1], sys.argv[2])