freemyipod r101 - Code Review

Jump to: navigation, search
Repository:freemyipod
Revision:r100‎ | r101 | r102 >
Date:23:55, 11 August 2010
Author:benedikt93
Status:new
Tags:
Comment:
fix libembios.py
Modified paths:
  • /embios/trunk/tools/libembios.py (modified) (history)

Diff [purge]

Index: embios/trunk/tools/libembios.py
@@ -755,264 +755,146 @@
756756 self.__myprint(" done\n, thread ID: 0x%x" % (struct.unpack("<I", response[4:8])), silent)
757757
758758
759 - def getprocinfo(self, offset, size, silent = 0):
 759+ def getprocinfo(self, silent = 0):
760760 """
761761 printout on console window:
762762 <silent> = 0: Process information struct version, Process information table size
763763 <silent> = 1: nothing
764 -
765 - {'regs': [16I], 'cpsr': I, 'state': I, 'namepointer': I, 'cputime_current': I, 'cputime_total': Q, 'startusec': I,
766 - 'queue_next_pointer': I, 'timeout': I, 'blocked_since': I, 'blocked_by_pointer': I, 'stackpointer': I, 'block_type': B, 'thread_type': B, 'priority': B, 'cpuload': B}
767764 """
768 - if (size > self.cin_maxsize - 0x10):
769 - raise Exception ("The data exceeds the maximum amount that can be received with this instruction.")
770765
 766+
771767 self.__myprint("Retrieving process information...", silent)
772768
773 - self.handle.bulkWrite(self.__coutep, struct.pack("<IIII", 15, offset, size, 0))
774 - response = self.__getbulk(self.handle, self.__cinep, size + 0x10)
775 - self.__checkstatus(response)
 769+ offset = 0
 770+ blocklen = size = self.cin_maxsize - 0x10
 771+ procinfo = ""
 772+ structversion = 0
 773+ tablesize = 0
776774
777 - out = []
778 - out[0] = struct.unpack("<I", response[4:8])[0] # Process information struct version
779 - out[1] = struct.unpack("<I", response[8:12])[0] # Process information table size
780 - out[2] = response # raw received data
 775+ # reading loop
 776+ while (offset < size):
 777+ self.handle.bulkWrite(self.__coutep, struct.pack("<IIII", 15, offset, size, 0))
 778+ response = self.__getbulk(self.handle, self.__cinep, size + 0x10)
 779+ self.__checkstatus(response)
 780+
 781+ size = struct.unpack("<I", response[8:12])[0]
 782+
 783+ if size <= offset + blocklen:
 784+ procinfo += response[0x10:0x10 + size]
 785+ structversion = struct.unpack("<I", response[4:])
 786+ tablesize = struct.unpack("<I", response[8:])
 787+ break
 788+ else:
 789+ procinfo += response[0x10:0x10 + blocklen]
 790+
 791+ size -= blocklen
 792+ offset += blocklen
 793+
 794+ blocklen = self.cin_maxsize - 0x10
 795+ if blocklen > size:
 796+ blocklen = size
781797
782 - if (struct.unpack("<I", response[4:8])[0] == 1): # Process information struct version == 1
783 - p = 0x10
784 - process_n = 3 # actually process 0, but there are alread three other elements in out
785 - while True:
786 - # regs ==================================================
787 - keylen = 16
788 - key_offset = 0
789 -
790 - while (offset > 0) and (key_offset < 0x10):
791 - offset -= 0x4
792 - out[process_n]['regs'][key_offset] = None
793 - key_offset += 1
794 -
795 - while (p+(keylen*0x4) - 0x10 > size) and (keylen > 0): keylen -= 1
796 - if (p+(keylen*0x4) - 0x10 > size): break
797 -
798 - while (key_offset < keylen):
799 - out[process_n]['regs'][key_offset] = struct.unpack("<I", response[p + (key_offset * 0x4) :])[0]
800 - key_offset += 1
801 -
802 - p += 16 * 0x4
803 -
804 - # cpsr ==================================================
805 - if (offset > 0):
806 - offset -= 4
807 - out[process_n]['cpsr'] = None
 798+
 799+ out = (structversion, tablesize, procinfotolist(procinfo, structversion))
 800+
 801+ self.__myprint(" done\n\
 802+ Process information struct version: 0x%08x\n\
 803+ Total size of process information table: 0x%08x\n\
 804+ %s\n\n"
 805+ % (out[0], out[1], procinfotostring(out[2], structversion))
 806+ , silent)
 807+
 808+ return out
 809+
 810+ def procinfotolist(self, processinfo, structver):
 811+ if (structver == 1): # Process information struct version == 1
 812+ ptr = 0x10
 813+ process_n = 0
 814+ retval = []
 815+ while ptr < len(processinfo):
 816+ retval.append({})
808817
809 - if (p+0x4 - 0x10 > size): break
810 -
811 - out[process_n]['cpsr'] = struct.unpack("<I", response[p:])[0]
812 -
813 - p += 0x4
814 -
815 - # state =================================================
816 - if (offset > 0):
817 - offset -= 4
818 - out[process_n]['state'] = None
 818+ retval[process_n]['regs'] = struct.unpack("<IIIIIIIIIIIIIIII", processinfo[ptr:])
 819+ ptr += 16 * 0x4
 820+ retval[process_n]['cpsr'] = struct.unpack("<I", processinfo[ptr:])
 821+ ptr += 1 * 0x4
 822+ retval[process_n]['state'] = struct.unpack("<I", processinfo[ptr:])
 823+ ptr += 1 * 0x4
 824+ retval[process_n]['name_ptr'] = struct.unpack("<I", processinfo[ptr:])
 825+ ptr += 1 * 0x4
 826+ retval[process_n]['cputime_current'] = struct.unpack("<I", processinfo[ptr:])
 827+ ptr += 1 * 0x4
 828+ retval[process_n]['cputime_total'] = struct.unpack("<Q", processinfo[ptr:])
 829+ ptr += 1 * 0x8
 830+ retval[process_n]['startusec'] = struct.unpack("<I", processinfo[ptr:])
 831+ ptr += 1 * 0x4
 832+ retval[process_n]['queue_next_ptr'] = struct.unpack("<I", processinfo[ptr:])
 833+ ptr += 1 * 0x4
 834+ retval[process_n]['timeout'] = struct.unpack("<I", processinfo[ptr:])
 835+ ptr += 1 * 0x4
 836+ retval[process_n]['blocked_since'] = struct.unpack("<I", processinfo[ptr:])
 837+ ptr += 1 * 0x4
 838+ retval[process_n]['blocked_by_ptr'] = struct.unpack("<I", processinfo[ptr:])
 839+ ptr += 1 * 0x4
 840+ retval[process_n]['stack_ptr'] = struct.unpack("<I", processinfo[ptr:])
 841+ ptr += 1 * 0x4
 842+ retval[process_n]['err_no'] = struct.unpack("<I", processinfo[ptr:])
 843+ ptr += 1 * 0x4
 844+ retval[process_n]['block_type'] = struct.unpack("<B", processinfo[ptr:])
 845+ ptr += 1 * 0x1
 846+ retval[process_n]['thread_type'] = struct.unpack("<B", processinfo[ptr:])
 847+ ptr += 1 * 0x1
 848+ retval[process_n]['priority'] = struct.unpack("<B", processinfo[ptr:])
 849+ ptr += 1 * 0x1
 850+ retval[process_n]['cpuload'] = struct.unpack("<B", processinfo[ptr:])
 851+ ptr += 1 * 0x1
819852
820 - if (p+0x4 - 0x10 > size): break
821 -
822 - out[process_n]['state'] = struct.unpack("<I", response[p:])[0]
823 -
824 - p += 0x4
825 -
826 - # namepointer ===========================================
827 - if (offset > 0):
828 - offset -= 4
829 - out[process_n]['namepointer'] = None
 853+ process_n += 1
830854
831 - if (p+0x4 - 0x10 > size): break
832 -
833 - out[process_n]['namepointer'] = struct.unpack("<I", response[p:])[0]
834 -
835 - p += 0x4
836 -
837 - # cputime_current =======================================
838 - if (offset > 0):
839 - offset -= 4
840 - out[process_n]['cputime_current'] = None
 855+ return retval
841856
842 - if (p+0x4 - 0x10 > size): break
843 -
844 - out[process_n]['cputime_current'] = struct.unpack("<I", response[p:])[0]
845 -
846 - p += 0x4
847 -
848 - # cputime_total =========================================
849 - if (offset > 0):
850 - offset -= 4
851 - out[process_n]['cputime_total'] = None
852 -
853 - if (p+0x4 - 0x10 > size): break
854 -
855 - out[process_n]['cputime_total'] = struct.unpack("<Q", response[p:])[0]
856 -
857 - p += 0x8
858 -
859 - # startusec =============================================
860 - if (offset > 0):
861 - offset -= 4
862 - out[process_n]['startusec'] = None
863 -
864 - if (p+0x4 - 0x10 > size): break
865 -
866 - out[process_n]['startusec'] = struct.unpack("<I", response[p:])[0]
867 -
868 - p += 0x4
869 -
870 - # queue_next_pointer ====================================
871 - if (offset > 0):
872 - offset -= 4
873 - out[process_n]['queue_next_pointer'] = None
874 -
875 - if (p+0x4 - 0x10 > size): break
876 -
877 - out[process_n]['queue_next_pointer'] = struct.unpack("<I", response[p:])[0]
878 -
879 - p += 0x4
880 -
881 - # timeout ===========================================
882 - if (offset > 0):
883 - offset -= 4
884 - out[process_n]['timeout'] = None
885 -
886 - if (p+0x4 - 0x10 > size): break
887 -
888 - out[process_n]['timeout'] = struct.unpack("<I", response[p:])[0]
889 -
890 - p += 0x4
891 -
892 - # blocked_since =========================================
893 - if (offset > 0):
894 - offset -= 4
895 - out[process_n]['blocked_since'] = None
896 -
897 - if (p+0x4 - 0x10 > size): break
898 -
899 - out[process_n]['blocked_since'] = struct.unpack("<I", response[p:])[0]
900 -
901 - p += 0x4
902 -
903 - # blocked_by_pointer ====================================
904 - if (offset > 0):
905 - offset -= 4
906 - out[process_n]['blocked_by_pointer'] = None
907 -
908 - if (p+0x4 - 0x10 > size): break
909 -
910 - out[process_n]['blocked_by_pointer'] = struct.unpack("<I", response[p:])[0]
911 -
912 - p += 0x4
913 -
914 - # stackpointer ==========================================
915 - if (offset > 0):
916 - offset -= 4
917 - out[process_n]['stackpointer'] = None
918 -
919 - if (p+0x4 - 0x10 > size): break
920 -
921 - out[process_n]['stackpointer'] = struct.unpack("<I", response[p:])[0]
922 -
923 - p += 0x4
924 -
925 - # block_type ============================================
926 - if (offset > 0):
927 - offset -= 1
928 - out[process_n]['block_type'] = None
929 -
930 - if (p+0x1 - 0x10 > size): break
931 -
932 - out[process_n]['block_type'] = struct.unpack("<B", response[p:])[0]
933 -
934 - p += 0x1
935 -
936 - # thread_type ===========================================
937 - if (offset > 0):
938 - offset -= 1
939 - out[process_n]['thread_type'] = None
940 -
941 - if (p+0x1 - 0x10 > size): break
942 -
943 - out[process_n]['thread_type'] = struct.unpack("<B", response[p:])[0]
944 -
945 - p += 0x1
946 -
947 - # priority ==============================================
948 - if (offset > 0):
949 - offset -= 1
950 - out[process_n]['priority'] = None
951 -
952 - if (p+0x1 - 0x10 > size): break
953 -
954 - out[process_n]['priority'] = struct.unpack("<B", response[p:])[0]
955 -
956 - p += 0x1
957 -
958 - # cpuload ===============================================
959 - if (offset > 0):
960 - offset -= 1
961 - out[process_n]['cpuload'] = None
962 -
963 - if (p+0x1 - 0x10 > size): break
964 -
965 - out[process_n]['cpuload'] = struct.unpack("<B", response[p:])[0]
966 -
967 - p += 0x1
968 -
969 - process_n += 1
970 -
971 - procinfoprint = ""
 857+
972858
973 - try:
974 - i = 0
975 - while out[0] == 1 and not silent: # Process information struct version == 1 && !silent
 859+ def procinfotostring(self, procinfolist, structver):
 860+ processinfoprint = ""
 861+ ptr = 0
 862+ while structver == 1 and ptr < len(procinfolist): # Process information struct version == 1
976863 processinfoprint += "--------------------------------------------------------------------------------"
977864 processinfoprint += "R0: 0x%08x, R1: 0x%08x, R2: 0x%08x, R3: 0x%08x,\n\
978865 R4: 0x%08x, R5: 0x%08x, R6: 0x%08x, R7: 0x%08x,\n\
979866 R8: 0x%08x, R9: 0x%08x, R10: 0x%08x, R11: 0x%08x,\n\
980867 R12: 0x%08x, R13: 0x%08x, LR: 0x%08x, PC: 0x%08x\n" \
981 - % (out[i+3]['regs'][0], out[i+3]['regs'][1], out[i+3]['regs'][2], out[i+3]['regs'][3], \
982 - out[i+3]['regs'][4], out[i+3]['regs'][5], out[i+3]['regs'][6], out[i+3]['regs'][7], \
983 - out[i+3]['regs'][8], out[i+3]['regs'][9], out[i+3]['regs'][10], out[i+3]['regs'][11], \
984 - out[i+3]['regs'][12], out[i+3]['regs'][13], out[i+3]['regs'][14], out[i+3]['regs'][15] )
985 - processinfoprint += "cpsr: 0b%032b " % (out[i+3]['cpsr'])
986 - states = ["THREAD_FREE", "THREAD_SUSPENDED", "THREAD_READY", "THREAD_RUNNING", "THREAD_BLOCKED", "THREAD_DEFUNCT", "THREAD_DEFUNCT_ACK"]
987 - processinfoprint += "state: %s " % (states[out[i+3]['state']])
988 - processinfoprint += "nameptr: 0x%08x\n" % (out[i+3]['namepointer'])
989 - processinfoprint += "current cpu time: 0x%08x " % (out[i+3]['cputime_current'])
990 - processinfoprint += "total cpu time: 0x%016x\n" % (out[i+3]['cputime_total'])
991 - processinfoprint += "startusec: 0x%08x " % (out[i+3]['startusec'])
992 - processinfoprint += "queue next ptr: 0x%08x\n" % (out[i+3]['queue_next_pointer'])
993 - processinfoprint += "timeout: 0x%08x\n" % (out[i+3]['timeout'])
994 - processinfoprint += "blocked since: 0x%08x " % (out[i+3]['blocked_since'])
995 - processinfoprint += "blocked by ptr: 0x%08x\n" % (out[i+3]['blocked_by_pointer'])
996 - processinfoprint += "stackptr: 0x%08x " % (out[i+3]['stackpointer'])
997 - blocktype = ["THREAD_NOT_BLOCKED", "THREAD_BLOCK_SLEEP", "THREAD_BLOCK_MUTEX", "THREAD_BLOCK_WAKEUP", "THREAD_DEFUNCT_STKOV", "THREAD_DEFUNCT_PANIC"]
998 - processinfoprint += "block type: %s\n" % (blocktype[out[i+3]['block_type']])
999 - threadtype = ["USER_THREAD", "SYSTEM_THREAD"]
1000 - processinfoprint += "thread type: %s\n" % (threadtype[out[i+3]['thread_type']])
1001 - processinfoprint += "priority: 0x%02x " % (out[i+3]['priority'])
1002 - processinfoprint += "cpu load: 0x%02x\n" % (out[i+3]['cpuload'])
 868+ % (procinfolist[ptr]['regs'][0], procinfolist[ptr]['regs'][1], procinfolist[ptr]['regs'][2], procinfolist[ptr]['regs'][3], \
 869+ procinfolist[ptr]['regs'][4], procinfolist[ptr]['regs'][5], procinfolist[ptr]['regs'][6], procinfolist[ptr]['regs'][7], \
 870+ procinfolist[ptr]['regs'][8], procinfolist[ptr]['regs'][9], procinfolist[ptr]['regs'][10], procinfolist[ptr]['regs'][11], \
 871+ procinfolist[ptr]['regs'][12], procinfolist[ptr]['regs'][13], procinfolist[ptr]['regs'][14], procinfolist[ptr]['regs'][15] )
 872+ processinfoprint += "cpsr: 0b%032b " % (procinfolist[ptr]['cpsr'])
 873+ states = ("THREAD_FREE", "THREAD_SUSPENDED", "THREAD_READY", "THREAD_RUNNING", "THREAD_BLOCKED", "THREAD_DEFUNCT", "THREAD_DEFUNCT_ACK")
 874+ processinfoprint += "state: %s " % (states[procinfolist[ptr]['state']])
 875+ processinfoprint += "nameptr: 0x%08x\n" % (procinfolist[ptr]['name_ptr'])
 876+ processinfoprint += "current cpu time: 0x%08x " % (procinfolist[ptr]['cputime_current'])
 877+ processinfoprint += "total cpu time: 0x%016x\n" % (procinfolist[ptr]['cputime_total'])
 878+ processinfoprint += "startusec: 0x%08x " % (procinfolist[ptr]['startusec'])
 879+ processinfoprint += "queue next ptr: 0x%08x\n" % (procinfolist[ptr]['queue_next_ptr'])
 880+ processinfoprint += "timeout: 0x%08x\n" % (procinfolist[ptr]['timeout'])
 881+ processinfoprint += "blocked since: 0x%08x " % (procinfolist[ptr]['blocked_since'])
 882+ processinfoprint += "blocked by ptr: 0x%08x\n" % (procinfolist[ptr]['blocked_by_ptr'])
 883+ processinfoprint += "err_no: 0x%08x " % (procinfolist[ptr]['err_no'])
 884+ processinfoprint += "nameptr: 0x%08x\n" % (procinfolist[ptr]['namepointer'])
 885+ blocktype = ("THREAD_NOT_BLOCKED", "THREAD_BLOCK_SLEEP", "THREAD_BLOCK_MUTEX", "THREAD_BLOCK_WAKEUP", "THREAD_DEFUNCT_STKOV", "THREAD_DEFUNCT_PANIC")
 886+ processinfoprint += "block type: %s\n" % (blocktype[procinfolist[ptr]['block_type']])
 887+ threadtype = ("USER_THREAD", "SYSTEM_THREAD")
 888+ processinfoprint += "thread type: %s\n" % (threadtype[procinfolist[ptr]['thread_type']])
 889+ processinfoprint += "priority: 0x%02x " % (procinfolist[ptr]['priority'])
 890+ processinfoprint += "cpu load: 0x%02x\n" % (procinfolist[ptr]['cpuload'])
1003891
1004 - i += 1
1005 -
1006 - except IndexError:
 892+ ptr += 1
 893+
1007894 processinfoprint += "--------------------------------------------------------------------------------"
 895+
 896+ return processinfoprint
1008897
1009 - self.__myprint(" done\n\
1010 - Process information struct version: 0x%08x\n\
1011 - Total size of process information table: 0x%08x\n\
1012 - %s"
1013 - % (out[0], out[1], procinfoprint)
1014 - , silent)
1015898
1016 - return out
1017899
1018900
1019901 def execimage(self, offset, silent = 0):