1 // See LICENSE for license details.
2 #ifndef _RISCV_DEBUG_MODULE_H
3 #define _RISCV_DEBUG_MODULE_H
43 CMDERR_HALTRESUME
= 4,
55 unsigned autoexecprogbuf
;
56 unsigned autoexecdata
;
59 class debug_module_t
: public abstract_device_t
62 debug_module_t(sim_t
*sim
);
64 void add_device(bus_t
*bus
);
66 bool load(reg_t addr
, size_t len
, uint8_t* bytes
);
67 bool store(reg_t addr
, size_t len
, const uint8_t* bytes
);
69 // Debug Module Interface that the debugger (in our case through JTAG DTM)
70 // uses to access the DM.
71 // Return true for success, false for failure.
72 bool dmi_read(unsigned address
, uint32_t *value
);
73 bool dmi_write(unsigned address
, uint32_t value
);
76 static const unsigned datasize
= 2;
77 static const unsigned progsize
= 16;
78 static const unsigned debug_data_start
= 0x380;
79 static const unsigned debug_progbuf_start
= debug_data_start
- progsize
*4;
81 static const unsigned debug_abstract_size
= 2;
82 static const unsigned debug_abstract_start
= debug_progbuf_start
- debug_abstract_size
*4;
86 uint8_t debug_rom_whereto
[4];
87 uint8_t debug_abstract
[debug_abstract_size
* 4];
88 uint8_t program_buffer
[progsize
* 4];
89 uint8_t dmdata
[datasize
* 4];
93 uint8_t debug_rom_flags
[1024];
95 void write32(uint8_t *rom
, unsigned int index
, uint32_t value
);
96 uint32_t read32(uint8_t *rom
, unsigned int index
);
98 dmcontrol_t dmcontrol
;
100 abstractcs_t abstractcs
;
101 abstractauto_t abstractauto
;
104 processor_t
*current_proc() const;
106 bool perform_abstract_command();