59 lines
5.8 KiB
ReStructuredText
59 lines
5.8 KiB
ReStructuredText
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********************************
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Debugger Storage Overview on ARM
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********************************
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Overview of the storage setup on ARM Thumb for the debugger.
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To interact with this storage dump you can either dump the storage location and parse the entries or use the *utils/debugger/debugger_archs/armT_processor_state.py* processor state, which is also passed as an argument in **GA_arm_thumb_debugger**.
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.. note:: All addresses below asume ``STORAGE_LOCATION`` + **Address**
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+---------+-----------------+--------------------------------------------------------------------------------+
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| Address | Function | Comment |
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+=========+=================+================================================================================+
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| 0x0 | R0 | Stores Register R0 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x4 | R1 | Stores Register R1 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x8 | R2 | Stores Register R2 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0xc | R3 | Stores Register R3 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x10 | R4 | Stores Register R4 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x14 | R5 | Stores Register R5 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x18 | R6 | Stores Register R6 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x1c | R7 | Stores Register R7 |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x20 | R8 | Stores Register R8 (Indirect Function Call Target ``IFC``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x24 | R9 | Stores Register R9 (Platform Register ``P``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x28 | R10 | Stores Register R10 (Thread Pointer ``TP``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x2c | R11 | Stores Register R11 (Frame Pointer ``FP``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x30 | R12 | Stores Register R12 (Intra-Procedure-call-scratched-Register ``IP``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x34 | R13 | Stores Register R13 (Stack Pointer ``SP``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x38 | R14 | Stores Register R14 (Link Register ``LR``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x3c | R15 | Stores Register R15 (Program Counter ``PC``) |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| | | |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7d8 | DBG_MMU_DISABLE | **DISABLED** ``DEBUGGER`` Disable the MMU on entry and enable the MMU on leave |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7ec | DBG_JUMP_TO | ``DEBUGGER`` Address to jump to instead of the debugger |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7f0 | DBG_CONT_EXEC | ``DEBUGGER`` Do not jump in debugger but into |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7f4 | TEMP X0 | ``DEBUGGER`` Temporary storage for X0 value |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7f8 | Store X0 | ``DEBUGGER`` Stores exception id for the ``SMC`` call |
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+---------+-----------------+--------------------------------------------------------------------------------+
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| 0x7fc | JUMP_ADDR | ``DEBUGGER`` Memory location that instructs the debugger where to jump to |
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+---------+-----------------+--------------------------------------------------------------------------------+
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