[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/arch/arm/stackusage b/src/bsp/lk/arch/arm/stackusage
new file mode 100755
index 0000000..51afdf3
--- /dev/null
+++ b/src/bsp/lk/arch/arm/stackusage
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+
+import sys
+import re
+
+hexrule = re.compile("([0-9a-fA-F]+)")
+hex2byterule = re.compile("([0-9a-fA-F]{4})")
+hexcolonrule = re.compile("([0-9a-fA-F]+)\:")
+symbolrule = re.compile("<([\._a-zA-Z]+[\._0-9a-zA-Z]*)>:")
+insrule = re.compile("([a-zA-Z][\.a-zA-Z]*)")
+
+currsymbol = ""
+curraddress = 0
+count = 0
+
+for line in sys.stdin:
+ t = line.split()
+
+ if len(t) == 0:
+ continue
+
+ try:
+
+ # match the address
+ match = hexcolonrule.match(t[0])
+ if match:
+ #print "%s %s" % (match, match.group(1))
+ curraddress = int(match.group(1), 16)
+ #print "curraddress 0x%x" % curraddress
+
+ # see if this is a symbol declaration
+ match = symbolrule.match(t[1])
+ if match:
+ # print the previous count
+ if count > 0:
+ print "%d %s" % (count, currsymbol)
+ count = 0
+
+ #print "%s %s" % (match, match.group(1))
+ currsymbol = str(match.group(1))
+ #print "current symbol is now '%s'" % currsymbol
+ continue
+
+ # see if it's a one or two byte opcode
+ iindex = 2
+ match = hex2byterule.match(t[1])
+ if not match:
+ continue
+ match = hex2byterule.match(t[2])
+ if match:
+ #print "match %s, %s" % (match, match.group(0))
+ iindex = 3
+
+ #print "instruction starts at index %d: '%s'" % (iindex, t[iindex])
+
+ # match the instruction string
+ insmatch = insrule.match(t[iindex])
+ if not insmatch:
+ continue
+ ins = insmatch.group(1)
+ #print "instruction '%s'" % ins
+
+ # look for a few special instructions
+ if ins == "push":
+ c = (len(t) - 1 - iindex) * 4
+ #print "%d bytes pushed" % c
+ count += c
+
+ # look for a few special instructions
+ if ins == "stmdb":
+ c = (len(t) - 2 - iindex) * 4
+ #print "%d bytes stmed" % c
+ count += c
+
+ if ins == "sub":
+ reg = t[iindex+1]
+ if reg == "sp,":
+ conststr = t[iindex+2]
+ c = int(conststr[1:])
+ #print "subtracting from sp, val %d" % c
+ count += c
+
+ except IndexError:
+ continue
+ except Exception as e:
+ print "Exception %s" % e
+ continue
+
+# print the last count
+if count > 0:
+ print "%d %s" % (count, currsymbol)
+