Microcode disassembler skeleton.

src/xenia/gpu/graphics_driver.h

@@ -58,7 +58,7 @@ public:
       XE_GPU_SHADER_TYPE type,
       uint32_t address,
       uint32_t start,
-      uint32_t size_dwords) = 0;
+      uint32_t length) = 0;
   virtual void DrawIndexed(
       XE_GPU_PRIMITIVE_TYPE prim_type,
       uint32_t index_count) = 0;

src/xenia/gpu/nop/nop_graphics_driver.cc

@@ -10,11 +10,13 @@
 #include <xenia/gpu/nop/nop_graphics_driver.h>
 
 #include <xenia/gpu/gpu-private.h>
+#include <xenia/gpu/ucode/ucode_disassembler.h>
 
 
 using namespace xe;
 using namespace xe::gpu;
 using namespace xe::gpu::nop;
+using namespace xe::gpu::ucode;
 
 
 NopGraphicsDriver::NopGraphicsDriver(xe_memory_ref memory) :
@@ -44,9 +46,20 @@ void NopGraphicsDriver::SetShader(
     XE_GPU_SHADER_TYPE type,
     uint32_t address,
     uint32_t start,
-    uint32_t size_dwords) {
+    uint32_t length) {
   XELOGGPU("NOP: set shader %d at %0.8X (%db)",
-           type, address, size_dwords * 4);
+           type, address, length);
+
+  uint8_t* p = xe_memory_addr(memory_, address);
+  uint32_t dw0 = XEGETUINT32BE(p + 0);
+
+  uint32_t* dws = (uint32_t*)xe_malloc(length);
+  for (int n = 0; n < length; n += 4) {
+    dws[n / 4] = XEGETUINT32BE(p + n);
+  }
+
+  UcodeDisassembler disasm;
+  //
 }
 
 void NopGraphicsDriver::DrawIndexed(

src/xenia/gpu/nop/nop_graphics_driver.h

@@ -34,7 +34,7 @@ public:
       XE_GPU_SHADER_TYPE type,
       uint32_t address,
       uint32_t start,
-      uint32_t size_dwords);
+      uint32_t length);
   virtual void DrawIndexed(
       XE_GPU_PRIMITIVE_TYPE prim_type,
       uint32_t index_count);

src/xenia/gpu/ring_buffer_worker.cc

@@ -300,7 +300,7 @@ void RingBufferWorker::ExecuteSegment(uint32_t ptr, uint32_t length) {
                 (XE_GPU_SHADER_TYPE)type,
                 TRANSLATE_ADDR(addr),
                 start,
-                size);
+                size * 4);
           }
           break;
         case PM4_IM_LOAD_IMMEDIATE:
@@ -317,7 +317,7 @@ void RingBufferWorker::ExecuteSegment(uint32_t ptr, uint32_t length) {
                 (XE_GPU_SHADER_TYPE)type,
                 ptr + n * 4 + 3 * 4,
                 start,
-                size);
+                size * 4);
           }
           break;
 

src/xenia/gpu/sources.gypi

@@ -15,6 +15,7 @@
 
   'includes': [
     'nop/sources.gypi',
+    'ucode/sources.gypi',
     'xenos/sources.gypi',
   ],
 

src/xenia/gpu/ucode/sources.gypi

@@ -0,0 +1,11 @@
+# Copyright 2013 Ben Vanik. All Rights Reserved.
+{
+  'sources': [
+    'ucode.cc',
+    'ucode.h',
+    'ucode_disassembler.cc',
+    'ucode_disassembler.h',
+    'ucode_ops.cc',
+    'ucode_ops.h',
+  ],
+}

src/xenia/gpu/ucode/ucode.cc

@@ -0,0 +1,15 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/gpu/ucode/ucode.h>
+
+
+using namespace xe;
+using namespace xe::gpu;
+using namespace xe::gpu::ucode;

src/xenia/gpu/ucode/ucode.h

@@ -0,0 +1,28 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_UCODE_UCODE_H_
+#define XENIA_GPU_UCODE_UCODE_H_
+
+#include <xenia/core.h>
+
+
+namespace xe {
+namespace gpu {
+namespace ucode {
+
+
+
+
+}  // namespace ucode
+}  // namespace gpu
+}  // namespace xe
+
+
+#endif  // XENIA_GPU_UCODE_UCODE_H_

src/xenia/gpu/ucode/ucode_disassembler.cc

@@ -0,0 +1,22 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/gpu/ucode/ucode_disassembler.h>
+
+
+using namespace xe;
+using namespace xe::gpu;
+using namespace xe::gpu::ucode;
+
+
+UcodeDisassembler::UcodeDisassembler() {
+}
+
+UcodeDisassembler::~UcodeDisassembler() {
+}

src/xenia/gpu/ucode/ucode_disassembler.h

@@ -0,0 +1,37 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_UCODE_UCODE_DISASSEMBLER_H_
+#define XENIA_GPU_UCODE_UCODE_DISASSEMBLER_H_
+
+#include <xenia/core.h>
+
+#include <xenia/gpu/ucode/ucode.h>
+
+
+namespace xe {
+namespace gpu {
+namespace ucode {
+
+
+class UcodeDisassembler {
+public:
+  UcodeDisassembler();
+  ~UcodeDisassembler();
+
+private:
+};
+
+
+}  // namespace ucode
+}  // namespace gpu
+}  // namespace xe
+
+
+#endif  // XENIA_GPU_UCODE_UCODE_DISASSEMBLER_H_

src/xenia/gpu/ucode/ucode_ops.h

@@ -0,0 +1,77 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_UCODE_UCODE_OPS_H_
+#define XENIA_GPU_UCODE_UCODE_OPS_H_
+
+#include <xenia/core.h>
+
+#include <xenia/gpu/ucode/ucode.h>
+
+
+namespace xe {
+namespace gpu {
+namespace ucode {
+
+
+// This code comes from libxemit by GliGli.
+
+
+typedef enum {
+  XEMR_NONE           = -1,
+  XEMR_TEMP           = 0,
+  XEMR_CONST          = 1,
+  XEMR_COLOR_OUT      = 2,
+  XEMR_TEX_FETCH      = 3,
+} ucode_reg_type_t;
+
+
+typedef enum {
+  XEMO_NONE           = -1,
+  XEMO_SEQUENCER      = 0,
+  XEMO_ALU_VECTOR     = 1,
+  XEMO_ALU_VECTOR_SAT = 2,
+  XEMO_ALU_SCALAR     = 3,
+  XEMO_ALU_SCALAR_SAT = 4,
+  XEMO_FETCHES        = 5,
+} ucode_op_type_t;
+
+
+typedef struct {
+  int8_t            start;
+  int8_t            end;
+} ucode_mask_t;
+
+
+typedef struct {
+  ucode_reg_type_t  reg_type;
+  ucode_mask_t      reg_mask[2]; // there can be 2 reg masks
+  uint8_t           swizzle_count;
+  ucode_mask_t      swizzle_mask[2]; // there can be 2 swizzle masks
+} ucode_reg_t;
+
+
+typedef struct {
+  const char*       name;
+  ucode_op_type_t   op_type;
+  uint8_t           base_bin[12];
+  ucode_mask_t      out_mask;
+  ucode_reg_t       regs[4];
+} ucode_op_t;
+
+
+extern const ucode_op_t ucode_ops[];
+
+
+}  // namespace ucode
+}  // namespace gpu
+}  // namespace xe
+
+
+#endif  // XENIA_GPU_UCODE_UCODE_OPS_H_