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gbarom.py
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from binaryninja import *
import struct
import os
import re
class GBAView(BinaryView):
name = "GBA"
long_name = "GBA Rom"
def __init__(self, data):
BinaryView.__init__(self, parent_view=data, file_metadata=data.file)
self.size = len(data.read(0, 0x1000000))
self.platform = Architecture["armv7"].standalone_platform
@classmethod
def is_valid_for_data(self, data):
hdr = data.read(0, 0xc0)
if len(hdr) < 0xc0:
return False
magic_byte = hdr[0xb2]
if magic_byte != 0x96:
return False
return True
def init(self):
try:
# Adding segments
rwx_mask = SegmentFlag.SegmentReadable | SegmentFlag.SegmentWritable | SegmentFlag.SegmentExecutable
self.add_auto_segment(0x2000000, 0x40000, 0, 0, rwx_mask) # WRAM
self.add_auto_segment(0x3000000, 0x08000, 0, 0, rwx_mask) # IRAM
self.add_auto_segment(0x4000000, 0x003FF, 0, 0, SegmentFlag.SegmentReadable | SegmentFlag.SegmentWritable) # IO
self.add_auto_segment(0x6000000, 0x18000, 0, 0, rwx_mask) # VRAM
self.add_auto_segment(0x7000000, 0x00400, 0, 0, SegmentFlag.SegmentReadable | SegmentFlag.SegmentWritable) # OBJ Attributes
self.add_auto_segment(0x8000000, 0x1000000, 0, self.size, SegmentFlag.SegmentReadable | SegmentFlag.SegmentExecutable)
# IO Registers
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000000, "DISPCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000004, "DISPSTAT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000006, "VCOUNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000008, "BG0CNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400000A, "BG1CNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400000C, "BG2CNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400000E, "BG3CNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000010, "BG0HOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000012, "BG0VOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000014, "BG1HOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000016, "BG1VOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000018, "BG2HOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400001A, "BG2VOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400001C, "BG3HOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400001E, "BG3VOFS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000020, "BG2PA"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000022, "BG2PB"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000024, "BG2PC"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000026, "BG2PD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000028, "BG2X"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400002C, "BG2Y"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000030, "BG3PA"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000032, "BG3PB"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000034, "BG3PC"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000036, "BG3PD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000038, "BG3X"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400003C, "BG3Y"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000040, "WIN0H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000042, "WIN1H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000044, "WIN0V"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000046, "WIN1V"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000048, "WININ"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400004A, "WINOUT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400004C, "MOSAIC"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000050, "BLDCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000052, "BLDALPHA"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000054, "BLDY"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000060, "SOUND1CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000062, "SOUND1CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000064, "SOUND1CNT_X"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000068, "SOUND2CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400006C, "SOUND2CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000070, "SOUND3CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000072, "SOUND3CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000074, "SOUND3CNT_X"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000078, "SOUND4CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400007C, "SOUND4CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000080, "SOUNDCNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000082, "SOUNDCNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000084, "SOUNDCNT_X"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000088, "SOUNDBIAS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000090, "2x10h"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000A0, "FIFO_A"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000A4, "FIFO_B"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000B0, "DMA0SAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000B4, "DMA0DAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000B8, "DMA0CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000BA, "DMA0CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000BC, "DMA1SAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000C0, "DMA1DAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000C4, "DMA1CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000C6, "DMA1CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000C8, "DMA2SAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000CC, "DMA2DAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000D0, "DMA2CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000D2, "DMA2CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000D4, "DMA3SAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000D8, "DMA3DAD"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000DC, "DMA3CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x40000DE, "DMA3CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000100, "TM0CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000102, "TM0CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000104, "TM1CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000106, "TM1CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000108, "TM2CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400010A, "TM2CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400010C, "TM3CNT_L"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400010E, "TM3CNT_H"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000120, "SIODATA32"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000120, "SIOMULTI0"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000122, "SIOMULTI1"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000124, "SIOMULTI2"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000126, "SIOMULTI3"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000128, "SIOCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400012A, "SIOMLT_SEND"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400012A, "SIODATA8"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000130, "KEYINPUT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000132, "KEYCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000134, "RCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000140, "JOYCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000150, "JOY_RECV"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000154, "JOY_TRANS"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000158, "JOYSTAT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000200, "IE"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000202, "IF"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000204, "WAITCNT"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000208, "IME"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000300, "POSTFLG"))
self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000301, "HALTCNT"))
# Entry point
self.add_entry_point(0x8000000)
return True
except:
log_error(traceback.format_exc())
return False
# Analysis part
coverage_mapping = None
coverage_set = None
def getvals(path):
lines = open(path, "r").readlines()
lst = []
for line in lines:
line = line.strip()
if len(line) >= 10:
addr, cnt = line.split(" ")
lst.append((int(addr, 16), int(cnt)))
resmap = {}
resset = set()
for addr, cnt in lst:
resmap[addr] = cnt
resset.add(addr)
return resset, resmap
def load_cov(bv):
global coverage_mapping
global coverage_set
path = get_open_filename_input("Select microcov bb dump")
if not path or not os.path.exists(path):
show_message_box("Error", "Could not open cov file", icon=MessageBoxIcon.ErrorIcon)
return
values, valuemap = getvals(path)
if coverage_mapping and coverage_set:
res = show_message_box("Warning", "Coverage data is already present, do you wish to overwrite it ?", MessageBoxButtonSet.YesNoButtonSet)
if not res:
return
microcov_clean(bv)
coverage_mapping = valuemap
coverage_set = values
highlight_rgb = (0x42, 0xf4, 0x4b)
highlightval = highlight.HighlightColor(red=highlight_rgb[0],
green=highlight_rgb[1],
blue=highlight_rgb[2])
def get_markdown_entry(fn):
addr = "[0x{:08x}](binaryninja://?expr=0x{:08x})".format(fn.start, fn.start)
name = "[{}](binaryninja://?expr={})".format(fn.name, fn.name)
return "{} - {}\n".format(addr, name)
def microcov_fnlist(bv):
load_cov(bv)
if not coverage_mapping:
return
validbbs = set()
results = {}
for v in coverage_set:
fnlist = bv.get_functions_containing(v)
bblist = bv.get_basic_blocks_at(v)
if fnlist:
fn = fnlist[0]
if bblist:
curbb = bblist[0]
curbb.set_user_highlight(highlightval)
# Check to see if we did not land in the middle of a block as a
# result of a return through bx <reg>
if v == curbb.start:
validbbs.add(v)
fn.set_comment_at(v, "Hitcount = {}".format(coverage_mapping[v]))
if fn.start not in results:
results[fn.start] = fn, 1
else:
fn, cnt = results[fn.start]
results[fn.start] = fn, cnt+1
# Function hit report
report = "| **Address** | **BB Count** | **Function name** |\n"
report += "|:-----:|:-----:|:-----:|\n"
for start in results:
fn, bbcount = results[start]
addr = "0x{:08x}".format(fn.start)
bbcount = "{} / {}".format(bbcount, len(fn.basic_blocks))
name = "[{}](binaryninja://?expr={})".format(fn.name, fn.name)
report += "| {} | {} | {} |\n".format(addr, bbcount, name)
bv.show_markdown_report("Function coverage", report)
# Block hit report
report = "| **Address** | **Hitcount** |\n"
report += "|:-----:|:-----:|\n"
entrylist = []
for addr in validbbs:
entrylist.append((addr, coverage_mapping[addr]))
entrylist = sorted(entrylist, key=lambda a: a[1])
for entry in entrylist:
addr = "[0x{:08x}](binaryninja://?expr=0x{:08x})".format(entry[0], entry[0])
report += "| {} | {} |\n".format(addr, entry[1])
bv.show_markdown_report("BB Hits", report)
def microcov_clean(bv):
global coverage_set
global coverage_mapping
if coverage_mapping and coverage_set:
for v in coverage_set:
bbs = bv.get_basic_blocks_at(v)
if bbs:
print("cleaning")
block = bbs[0]
fn = block.function
fn.set_comment_at(block.start, "")
block.set_user_highlight(HighlightStandardColor.NoHighlightColor)
coverage_mapping = None
coverage_set = None
def microcov_search(bv):
global coverage_set
global coverage_mapping
if not coverage_set:
show_message_box("Error", "Please load a code coverage file", icon=MessageBoxIcon.ErrorIcon)
return
exp = get_text_line_input("Regex", "Instruction search")
result = []
if len(exp) == 0:
return
m = re.compile(exp)
for bbaddr in coverage_set:
blocks = bv.get_basic_blocks_at(bbaddr)
if blocks:
block = blocks[0]
for e in block.get_disassembly_text():
if m.match(str(e)):
result.append((e.address, str(e), coverage_mapping[bbaddr]))
result = sorted(result, key=lambda a: a[2])
report = "| **Address** | ** Hitcount ** | **Instruction** |\n"
report += "|:------------:|:--------|\n"
for addr, ins, hitcount in result:
addr = "[0x{:08x}](binaryninja://?expr=0x{:08x})".format(addr, addr)
report += "| {} | {} | {} |\n".format(addr, hitcount, ins)
bv.show_markdown_report("Search results", report)