diff options
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPCore.cpp')
| -rw-r--r-- | Source/Core/DSPCore/Src/DSPCore.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Source/Core/DSPCore/Src/DSPCore.cpp b/Source/Core/DSPCore/Src/DSPCore.cpp index 2b0e43ae81..8824916db9 100644 --- a/Source/Core/DSPCore/Src/DSPCore.cpp +++ b/Source/Core/DSPCore/Src/DSPCore.cpp @@ -24,7 +24,9 @@ ====================================================================*/
#include "Common.h"
+#include "Thread.h"
#include "DSPCore.h"
+#include "DSPHost.h"
#include "DSPAnalyzer.h"
#include "MemoryUtil.h"
@@ -33,6 +35,8 @@ SDSP g_dsp;
BreakPoints dsp_breakpoints;
+DSPCoreState core_state = DSPCORE_RUNNING;
+Common::Event step_event;
static bool LoadRom(const char *fname, int size_in_words, u16 *rom)
{
@@ -118,11 +122,13 @@ bool DSPCore_Init(const char *irom_filename, const char *coef_filename) WriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);
DSPAnalyzer::Analyze();
+ step_event.Init();
return true;
}
void DSPCore_Shutdown()
{
+ step_event.Shutdown();
FreeMemoryPages(g_dsp.irom, DSP_IROM_BYTE_SIZE);
FreeMemoryPages(g_dsp.iram, DSP_IRAM_BYTE_SIZE);
FreeMemoryPages(g_dsp.dram, DSP_DRAM_BYTE_SIZE);
@@ -184,3 +190,57 @@ void DSPCore_CheckExceptions() }
}
}
+
+// Delegate to JIT (when it is written) or interpreter as appropriate.
+// Handle state changes and stepping.
+int DSPCore_RunCycles(int cycles)
+{
+ while (cycles > 0) {
+ reswitch:
+ switch (core_state)
+ {
+ case DSPCORE_RUNNING:
+#if 0 // Set to 1 to enable stepping
+ // Enable breakpoints
+ cycles = DSPInterpreter::RunCyclesDebug(cycles);
+#else
+ //1: enter a fast runloop
+ cycles = DSPInterpreter::RunCycles(cycles);
+#endif
+ break;
+
+ case DSPCORE_STEPPING:
+ step_event.Wait();
+ if (core_state != DSPCORE_STEPPING)
+ goto reswitch;
+
+ DSPInterpreter::Step();
+ cycles--;
+
+ DSPHost_UpdateDebugger();
+ break;
+ }
+ }
+ return cycles;
+}
+
+void DSPCore_SetState(DSPCoreState new_state)
+{
+ core_state = new_state;
+ // kick the event, in case we are waiting
+ if (new_state == DSPCORE_RUNNING)
+ step_event.Set();
+ // Sleep(10);
+ DSPHost_UpdateDebugger();
+}
+
+DSPCoreState DSPCore_GetState()
+{
+ return core_state;
+}
+
+void DSPCore_Step()
+{
+ if (core_state == DSPCORE_STEPPING)
+ step_event.Set();
+}
|