typedef struct {
bool haltreq;
bool resumereq;
- bool reset;
- bool dmactive;
- enum {
- HARTSTATUS_HALTED,
- HARTSTATUS_RUNNING,
- HARTSTATUS_UNAVAILABLE,
- HARTSTATUS_NOTEXIST
- } hartstatus;
unsigned hartsel;
- bool authenticated;
- bool authbusy;
- enum {
- AUTHTYPE_NOAUTH,
- AUTHTYPE_PASSWORD,
- AUTHTYPE_CHALLENGE
- } authtype;
- unsigned version;
+ bool hartreset;
+ bool dmactive;
+ bool ndmreset;
} dmcontrol_t;
typedef struct {
- bool autoexec7;
- bool autoexec6;
- bool autoexec5;
- bool autoexec4;
- bool autoexec3;
- bool autoexec2;
- bool autoexec1;
- bool autoexec0;
- enum {
+ bool allnonexistant;
+ bool anynonexistant;
+ bool allunavail;
+ bool anyunavail;
+ bool allrunning;
+ bool anyrunning;
+ bool allhalted;
+ bool anyhalted;
+ bool allresumeack;
+ bool anyresumeack;
+ bool authenticated;
+ bool authbusy;
+ bool cfgstrvalid;
+ unsigned versionhi;
+ unsigned versionlo;
+} dmstatus_t;
+
+typedef enum cmderr {
CMDERR_NONE = 0,
CMDERR_BUSY = 1,
CMDERR_NOTSUP = 2,
CMDERR_EXCEPTION = 3,
CMDERR_HALTRESUME = 4,
- CMDERR_OTHER = 7
- } cmderr;
+ CMDERR_OTHER = 7
+} cmderr_t;
+
+typedef struct {
bool busy;
unsigned datacount;
+ unsigned progsize;
+ cmderr_t cmderr;
} abstractcs_t;
-class debug_module_data_t : public abstract_device_t
-{
- public:
- debug_module_data_t();
-
- bool load(reg_t addr, size_t len, uint8_t* bytes);
- bool store(reg_t addr, size_t len, const uint8_t* bytes);
-
- uint32_t read32(reg_t addr) const;
- void write32(reg_t addr, uint32_t value);
-
- uint8_t data[DEBUG_EXCHANGE_SIZE];
-};
+typedef struct {
+ unsigned autoexecprogbuf;
+ unsigned autoexecdata;
+} abstractauto_t;
class debug_module_t : public abstract_device_t
{
bool dmi_write(unsigned address, uint32_t value);
private:
- static const unsigned progsize = 8;
-
+ static const unsigned datasize = 2;
+ static const unsigned progsize = 16;
+ static const unsigned debug_data_start = 0x380;
+ static const unsigned debug_progbuf_start = debug_data_start - progsize*4;
+
+ static const unsigned debug_abstract_size = 2;
+ static const unsigned debug_abstract_start = debug_progbuf_start - debug_abstract_size*4;
+
sim_t *sim;
- uint8_t debug_rom_entry[DEBUG_ROM_ENTRY_SIZE];
- uint8_t debug_rom_code[DEBUG_ROM_CODE_SIZE];
- uint8_t debug_rom_exception[DEBUG_ROM_EXCEPTION_SIZE];
+ uint8_t debug_rom_whereto[4];
+ uint8_t debug_abstract[debug_abstract_size * 4];
uint8_t program_buffer[progsize * 4];
+ uint8_t dmdata[datasize * 4];
+
bool halted[1024];
- debug_module_data_t dmdata;
- // Instruction that will be placed at the current hart's ROM entry address
- // after the current action has completed.
- uint32_t next_action;
- bool action_executed;
+ bool resumeack[1024];
+ uint8_t debug_rom_flags[1024];
void write32(uint8_t *rom, unsigned int index, uint32_t value);
uint32_t read32(uint8_t *rom, unsigned int index);
dmcontrol_t dmcontrol;
+ dmstatus_t dmstatus;
abstractcs_t abstractcs;
+ abstractauto_t abstractauto;
uint32_t command;
processor_t *current_proc() const;