debug: Move things around, but addresses now conflict with ROM.

[riscv-isa-sim.git] / riscv / debug_module.h

diff --git a/riscv/debug_module.h b/riscv/debug_module.h
index 934463f9795cfec2487fedc08fe9176ca65715df..8daf03b58caa9b783da3a45382db5e74944cbbaa 100644 (file)
--- a/riscv/debug_module.h
+++ b/riscv/debug_module.h
@@ -10,53 +10,62 @@ class sim_t;
 
 typedef struct {
   bool haltreq;
-  bool reset;
-  bool dmactive;
-  enum {
-    HARTSTATUS_HALTED,
-    HARTSTATUS_RUNNING,
-    HARTSTATUS_UNAVAILABLE,
-    HARTSTATUS_NOTEXIST
-  } hartstatus;
+  bool resumereq;
   unsigned hartsel;
+  bool hartreset;
+  bool dmactive;
+  bool ndmreset;
+} dmcontrol_t;
+
+typedef struct {
+  bool allnonexistant;
+  bool anynonexistant;
+  bool allunavail;
+  bool anyunavail;
+  bool allrunning;
+  bool anyrunning;
+  bool allhalted;
+  bool anyhalted;
+  bool allresumeack;
+  bool anyresumeack;
   bool authenticated;
   bool authbusy;
-  enum {
-    AUTHTYPE_NOAUTH,
-    AUTHTYPE_PASSWORD,
-    AUTHTYPE_CHALLENGE
-  } authtype;
-  unsigned version;
-} dmcontrol_t;
+  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_t;
+
+typedef struct {
+  bool busy;
+  unsigned datacount;
+  unsigned progsize;
+  cmderr_t cmderr;
+} abstractcs_t;
+
+typedef struct {
+  unsigned autoexecprogbuf;
+  unsigned autoexecdata;
+} abstractauto_t;
 
 class debug_module_t : public abstract_device_t
 {
   public:
     debug_module_t(sim_t *sim);
 
+    void add_device(bus_t *bus);
+
     bool load(reg_t addr, size_t len, uint8_t* bytes);
     bool store(reg_t addr, size_t len, const uint8_t* bytes);
 
-    void set_interrupt(uint32_t hartid) {
-      interrupt.insert(hartid);
-    }
-    void clear_interrupt(uint32_t hartid) {
-      interrupt.erase(hartid);
-    }
-    bool get_interrupt(uint32_t hartid) const {
-      return interrupt.find(hartid) != interrupt.end();
-    }
-
-    void set_halt_notification(uint32_t hartid) {
-      halt_notification.insert(hartid);
-    }
-    void clear_halt_notification(uint32_t hartid) {
-      halt_notification.erase(hartid);
-    }
-    bool get_halt_notification(uint32_t hartid) const {
-      return halt_notification.find(hartid) != halt_notification.end();
-    }
-
     // Debug Module Interface that the debugger (in our case through JTAG DTM)
     // uses to access the DM.
     // Return true for success, false for failure.
@@ -64,27 +73,36 @@ class debug_module_t : public abstract_device_t
     bool dmi_write(unsigned address, uint32_t value);
 
   private:
+    static const unsigned progsize = 8;
+
     sim_t *sim;
-    // Track which interrupts from module to debugger are set.
-    std::set<uint32_t> interrupt;
-    // Track which halt notifications from debugger to module are set.
-    std::set<uint32_t> halt_notification;
-    uint8_t debug_rom_entry[1024 * 4];
+
+    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 program_buffer[progsize * 4];
+    uint8_t dmdata[DEBUG_DATA_SIZE];
+    
+    bool halted[1024];
+    bool resumeack[1024];
+
+    // 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;
 
     void write32(uint8_t *rom, unsigned int index, uint32_t value);
     uint32_t read32(uint8_t *rom, unsigned int index);
 
-    static const unsigned datacount = 8;
-    static const unsigned progsize = 8;
-
     dmcontrol_t dmcontrol;
-    uint32_t abstractcs;
-    uint32_t data[datacount];
-    uint32_t ibuf[progsize];
+    dmstatus_t dmstatus;
+    abstractcs_t abstractcs;
+    abstractauto_t abstractauto;
+    uint32_t command;
 
     processor_t *current_proc() const;
     void reset();
-    bool perform_abstract_command(uint32_t command);
+    bool perform_abstract_command();
 };
 
 #endif