[Openocd-development] BUG - arm920t - thumb single step fails

[Duane E. <op...@du...>]

using SVN head, this morning - arm920t - thumb single step fails to work.

However, arm920t - arm single step works.

and arm920t - thumb - break points work.

Sorry - no fix attached.

Level 3 log follows:

-Duane.

Debug:   39 112875 gdb_server.c:1954 gdb_input_inner(): received packet: 's'
Debug:   40 112875 gdb_server.c:1268 gdb_step_continue_packet(): -
Debug:   41 112875 gdb_server.c:1288 gdb_step_continue_packet(): step
Debug:   42 112875 arm7_9_common.c:1265 arm7_9_restore_context(): -
Debug:   43 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining User mode
Debug:   44 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r0
Debug:   45 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r1
Debug:   46 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r2
Debug:   47 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   48 112890 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 0 of mode User with value 0x00000000
Debug:   49 112890 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 1 of mode User with value 0x00000000
Debug:   50 112890 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 2 of mode User with value 0x00000000
Debug:   51 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining FIQ mode
Debug:   52 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   53 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining IRQ mode
Debug:   54 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   55 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Supervisor mode
Debug:   56 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   57 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Abort mode
Debug:   58 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   59 112890 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Undefined mode
Debug:   60 112890 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   61 112890 arm7_9_common.c:1386 arm7_9_restore_context(): 
writing PC with value 0x2000013e
Debug:   62 112890 embeddedice.c:403 embeddedice_write_reg(): 0: 0x0000000d
Debug:   63 112890 arm9tdmi.c:753 arm9tdmi_branch_resume_thumb(): -
Debug:   64 112890 target.c:810 target_call_event_callbacks(): target 
event 6 (resumed)
Debug:   65 112890 target.c:3062 target_handle_event(): event: 6 resumed 
- no action
Debug:   66 112890 target.c:3062 target_handle_event(): event: 6 resumed 
- no action
Debug:   67 112890 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   68 112890 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   69 112890 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   70 112906 arm7_9_common.c:1067 arm7_9_debug_entry(): target 
entered debug from Thumb state
Debug:   71 112906 arm7_9_common.c:1071 arm7_9_debug_entry(): r0_thumb: 
0x00000000, pc_thumb: 0x20000144
Debug:   72 112906 arm7_9_common.c:1107 arm7_9_debug_entry(): target 
entered debug state in System mode
Debug:   73 112906 arm7_9_common.c:1111 arm7_9_debug_entry(): thumb 
state, applying fixups
Debug:   74 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r0: 0x00000000
Debug:   75 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r1: 0x00000000
Debug:   76 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r2: 0x00000000
Debug:   77 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r3: 0x00000000
Debug:   78 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r4: 0x00000076
Debug:   79 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r5: 0x00000000
Debug:   80 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r6: 0x00000003
Debug:   81 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r7: 0x200046bc
Debug:   82 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r8: 0x21eddfdc
Debug:   83 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r9: 0x21f16d00
Debug:   84 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r10: 
0x21f16e30
Debug:   85 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r11: 
0x20004a18
Debug:   86 112906 arm7_9_common.c:1138 arm7_9_debug_entry(): r12: 
0x20000135
Debug:   87 112937 arm7_9_common.c:1138 arm7_9_debug_entry(): r13: 
0x200046bc
Debug:   88 112953 arm7_9_common.c:1138 arm7_9_debug_entry(): r14: 
0x2000010c
Debug:   89 112953 arm7_9_common.c:1138 arm7_9_debug_entry(): r15: 
0x2000013e
Debug:   90 112953 arm7_9_common.c:1144 arm7_9_debug_entry(): entered 
debug state at PC 0x2000013e
Debug:   91 112953 arm920t.c:449 arm920t_post_debug_entry(): 
cp15_control_reg: c0000078
Debug:   92 112969 arm920t.c:471 arm920t_post_debug_entry(): D FSR: 
0x000000fa, D FAR: 0xc0000000, I FSR: 0x000000ef, I FAR: 0x00000000
Debug:   93 112969 target.c:810 target_call_event_callbacks(): target 
event 4 (early-halted)
Debug:   94 112969 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   95 112969 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   96 112984 target.c:810 target_call_event_callbacks(): target 
event 5 (halted)
Debug:   97 112984 target.c:3062 target_handle_event(): event: 5 halted 
- no action
User:    98 112984 target.c:1051 target_arch_state(): target state: halted
User:    99 112984 arm920t.c:575 arm920t_arch_state(): target halted in 
Thumb state due to single-step, current mode: System
cpsr: 0x600000ff pc: 0x2000013e
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Debug:   100 112984 target.c:3062 target_handle_event(): event: 5 halted 
- no action
Debug:   101 112984 arm7_9_common.c:1654 arm7_9_step(): target stepped
Debug:   102 112984 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'g'
Debug:   103 112984 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm2000013e,4'
Debug:   104 112984 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x2000013e, len: 0x00000004
Debug:   105 112984 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x2000013e
Debug:   106 112984 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x2000013e, size: 0x00000001, count: 0x00000002
Debug:   107 112984 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x20000140, size: 0x00000001, count: 0x00000002
Debug:   108 113015 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046c0,4'
Debug:   109 113015 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046c0, len: 0x00000004
Debug:   110 113015 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046c0
Debug:   111 113015 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046c0, size: 0x00000004, count: 0x00000001
Debug:   112 113031 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046bc,4'
Debug:   113 113031 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046bc, len: 0x00000004
Debug:   114 113031 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046bc
Debug:   115 113031 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046bc, size: 0x00000004, count: 0x00000001
Debug:   116 211203 gdb_server.c:1954 gdb_input_inner(): received 
packet: 's'
Debug:   117 211203 gdb_server.c:1268 gdb_step_continue_packet(): -
Debug:   118 211203 gdb_server.c:1288 gdb_step_continue_packet(): step
Debug:   119 211203 arm7_9_common.c:1265 arm7_9_restore_context(): -
Debug:   120 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining User mode
Debug:   121 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r0
Debug:   122 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r1
Debug:   123 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r2
Debug:   124 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   125 211219 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 0 of mode User with value 0x00000000
Debug:   126 211219 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 1 of mode User with value 0x00000000
Debug:   127 211219 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 2 of mode User with value 0x00000000
Debug:   128 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining FIQ mode
Debug:   129 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   130 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining IRQ mode
Debug:   131 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   132 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Supervisor mode
Debug:   133 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   134 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Abort mode
Debug:   135 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   136 211219 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Undefined mode
Debug:   137 211219 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   138 211219 arm7_9_common.c:1386 arm7_9_restore_context(): 
writing PC with value 0x2000013e
Debug:   139 211219 embeddedice.c:403 embeddedice_write_reg(): 0: 0x0000000d
Debug:   140 211219 arm9tdmi.c:753 arm9tdmi_branch_resume_thumb(): -
Debug:   141 211219 target.c:810 target_call_event_callbacks(): target 
event 6 (resumed)
Debug:   142 211219 target.c:3062 target_handle_event(): event: 6 
resumed - no action
Debug:   143 211219 target.c:3062 target_handle_event(): event: 6 
resumed - no action
Debug:   144 211219 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   145 211219 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   146 211219 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   147 211219 arm7_9_common.c:1067 arm7_9_debug_entry(): target 
entered debug from Thumb state
Debug:   148 211234 arm7_9_common.c:1071 arm7_9_debug_entry(): r0_thumb: 
0x00000000, pc_thumb: 0x20000144
Debug:   149 211234 arm7_9_common.c:1107 arm7_9_debug_entry(): target 
entered debug state in System mode
Debug:   150 211234 arm7_9_common.c:1111 arm7_9_debug_entry(): thumb 
state, applying fixups
Debug:   151 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r0: 
0x00000000
Debug:   152 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r1: 
0x00000000
Debug:   153 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r2: 
0x00000000
Debug:   154 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r3: 
0x00000000
Debug:   155 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r4: 
0x00000076
Debug:   156 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r5: 
0x00000000
Debug:   157 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r6: 
0x00000003
Debug:   158 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r7: 
0x200046bc
Debug:   159 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r8: 
0x21eddfdc
Debug:   160 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r9: 
0x21f16d00
Debug:   161 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r10: 
0x21f16e30
Debug:   162 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r11: 
0x20004a18
Debug:   163 211234 arm7_9_common.c:1138 arm7_9_debug_entry(): r12: 
0x20000135
Debug:   164 211281 arm7_9_common.c:1138 arm7_9_debug_entry(): r13: 
0x200046bc
Debug:   165 211281 arm7_9_common.c:1138 arm7_9_debug_entry(): r14: 
0x2000010c
Debug:   166 211281 arm7_9_common.c:1138 arm7_9_debug_entry(): r15: 
0x2000013e
Debug:   167 211281 arm7_9_common.c:1144 arm7_9_debug_entry(): entered 
debug state at PC 0x2000013e
Debug:   168 211281 arm920t.c:449 arm920t_post_debug_entry(): 
cp15_control_reg: c0000078
Debug:   169 211312 arm920t.c:471 arm920t_post_debug_entry(): D FSR: 
0x000000fa, D FAR: 0xc0000000, I FSR: 0x000000ef, I FAR: 0x00000000
Debug:   170 211312 target.c:810 target_call_event_callbacks(): target 
event 4 (early-halted)
Debug:   171 211312 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   172 211312 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   173 211312 target.c:810 target_call_event_callbacks(): target 
event 5 (halted)
Debug:   174 211312 target.c:3062 target_handle_event(): event: 5 halted 
- no action
User:    175 211312 target.c:1051 target_arch_state(): target state: halted
User:    176 211312 arm920t.c:575 arm920t_arch_state(): target halted in 
Thumb state due to single-step, current mode: System
cpsr: 0x600000ff pc: 0x2000013e
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Debug:   177 211312 target.c:3062 target_handle_event(): event: 5 halted 
- no action
Debug:   178 211312 arm7_9_common.c:1654 arm7_9_step(): target stepped
Debug:   179 211312 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'g'
Debug:   180 211312 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm2000013e,4'
Debug:   181 211312 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x2000013e, len: 0x00000004
Debug:   182 211312 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x2000013e
Debug:   183 211312 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x2000013e, size: 0x00000001, count: 0x00000002
Debug:   184 211312 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x20000140, size: 0x00000001, count: 0x00000002
Debug:   185 211531 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046c0,4'
Debug:   186 211531 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046c0, len: 0x00000004
Debug:   187 211531 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046c0
Debug:   188 211531 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046c0, size: 0x00000004, count: 0x00000001
Debug:   189 211547 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046bc,4'
Debug:   190 211547 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046bc, len: 0x00000004
Debug:   191 211547 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046bc
Debug:   192 211547 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046bc, size: 0x00000004, count: 0x00000001
Debug:   193 213172 gdb_server.c:1954 gdb_input_inner(): received 
packet: 's'
Debug:   194 213172 gdb_server.c:1268 gdb_step_continue_packet(): -
Debug:   195 213172 gdb_server.c:1288 gdb_step_continue_packet(): step
Debug:   196 213172 arm7_9_common.c:1265 arm7_9_restore_context(): -
Debug:   197 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining User mode
Debug:   198 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r0
Debug:   199 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r1
Debug:   200 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: r2
Debug:   201 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   202 213187 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 0 of mode User with value 0x00000000
Debug:   203 213187 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 1 of mode User with value 0x00000000
Debug:   204 213187 arm7_9_common.c:1346 arm7_9_restore_context(): 
writing register 2 of mode User with value 0x00000000
Debug:   205 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining FIQ mode
Debug:   206 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   207 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining IRQ mode
Debug:   208 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   209 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Supervisor mode
Debug:   210 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   211 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Abort mode
Debug:   212 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   213 213187 arm7_9_common.c:1284 arm7_9_restore_context(): 
examining Undefined mode
Debug:   214 213187 arm7_9_common.c:1298 arm7_9_restore_context(): 
examining dirty reg: pc
Debug:   215 213187 arm7_9_common.c:1386 arm7_9_restore_context(): 
writing PC with value 0x2000013e
Debug:   216 213187 embeddedice.c:403 embeddedice_write_reg(): 0: 0x0000000d
Debug:   217 213187 arm9tdmi.c:753 arm9tdmi_branch_resume_thumb(): -
Debug:   218 213187 target.c:810 target_call_event_callbacks(): target 
event 6 (resumed)
Debug:   219 213187 target.c:3062 target_handle_event(): event: 6 
resumed - no action
Debug:   220 213187 target.c:3062 target_handle_event(): event: 6 
resumed - no action
Debug:   221 213187 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   222 213187 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   223 213187 embeddedice.c:403 embeddedice_write_reg(): 0: 0x00000005
Debug:   224 213203 arm7_9_common.c:1067 arm7_9_debug_entry(): target 
entered debug from Thumb state
Debug:   225 213203 arm7_9_common.c:1071 arm7_9_debug_entry(): r0_thumb: 
0x00000000, pc_thumb: 0x20000144
Debug:   226 213203 arm7_9_common.c:1107 arm7_9_debug_entry(): target 
entered debug state in System mode
Debug:   227 213203 arm7_9_common.c:1111 arm7_9_debug_entry(): thumb 
state, applying fixups
Debug:   228 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r0: 
0x00000000
Debug:   229 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r1: 
0x00000000
Debug:   230 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r2: 
0x00000000
Debug:   231 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r3: 
0x00000000
Debug:   232 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r4: 
0x00000076
Debug:   233 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r5: 
0x00000000
Debug:   234 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r6: 
0x00000003
Debug:   235 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r7: 
0x200046bc
Debug:   236 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r8: 
0x21eddfdc
Debug:   237 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r9: 
0x21f16d00
Debug:   238 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r10: 
0x21f16e30
Debug:   239 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r11: 
0x20004a18
Debug:   240 213203 arm7_9_common.c:1138 arm7_9_debug_entry(): r12: 
0x20000135
Debug:   241 213250 arm7_9_common.c:1138 arm7_9_debug_entry(): r13: 
0x200046bc
Debug:   242 213250 arm7_9_common.c:1138 arm7_9_debug_entry(): r14: 
0x2000010c
Debug:   243 213250 arm7_9_common.c:1138 arm7_9_debug_entry(): r15: 
0x2000013e
Debug:   244 213250 arm7_9_common.c:1144 arm7_9_debug_entry(): entered 
debug state at PC 0x2000013e
Debug:   245 213250 arm920t.c:449 arm920t_post_debug_entry(): 
cp15_control_reg: c0000078
Debug:   246 213281 arm920t.c:471 arm920t_post_debug_entry(): D FSR: 
0x000000fa, D FAR: 0xc0000000, I FSR: 0x000000ef, I FAR: 0x00000000
Debug:   247 213281 target.c:810 target_call_event_callbacks(): target 
event 4 (early-halted)
Debug:   248 213281 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   249 213281 target.c:3062 target_handle_event(): event: 4 
early-halted - no action
Debug:   250 213281 target.c:810 target_call_event_callbacks(): target 
event 5 (halted)
Debug:   251 213281 target.c:3062 target_handle_event(): event: 5 halted 
- no action
User:    252 213281 target.c:1051 target_arch_state(): target state: halted
User:    253 213281 arm920t.c:575 arm920t_arch_state(): target halted in 
Thumb state due to single-step, current mode: System
cpsr: 0x600000ff pc: 0x2000013e
MMU: disabled, D-Cache: disabled, I-Cache: disabled
Debug:   254 213281 target.c:3062 target_handle_event(): event: 5 halted 
- no action
Debug:   255 213281 arm7_9_common.c:1654 arm7_9_step(): target stepped
Debug:   256 213281 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'g'
Debug:   257 213281 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm2000013e,4'
Debug:   258 213281 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x2000013e, len: 0x00000004
Debug:   259 213281 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x2000013e
Debug:   260 213281 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x2000013e, size: 0x00000001, count: 0x00000002
Debug:   261 213281 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x20000140, size: 0x00000001, count: 0x00000002
Debug:   262 213390 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046c0,4'
Debug:   263 213390 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046c0, len: 0x00000004
Debug:   264 213390 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046c0
Debug:   265 213390 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046c0, size: 0x00000004, count: 0x00000001
Debug:   266 213422 gdb_server.c:1954 gdb_input_inner(): received 
packet: 'm200046bc,4'
Debug:   267 213422 gdb_server.c:1109 gdb_read_memory_packet(): addr: 
0x200046bc, len: 0x00000004
Debug:   268 213422 target.c:1143 target_read_buffer(): reading buffer 
of 4 byte at 0x200046bc
Debug:   269 213422 arm7_9_common.c:1805 arm7_9_read_memory(): address: 
0x200046bc, size: 0x00000004, count: 0x00000001