1 /*---------------------------------------------------------------------------*
2   Project:  Horizon
3   File:     dbg_Default.cpp
4 
5   Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain
8   proprietary information of Nintendo of America Inc. and/or Nintendo
9   Company Ltd., and are protected by Federal copyright law. They may
10   not be disclosed to third parties or copied or duplicated in any form,
11   in whole or in part, without the prior written consent of Nintendo.
12 
13   $Rev: 48011 $
14  *---------------------------------------------------------------------------*/
15 
16 #include <nn/Result.h>
17 #include <nn/math.h>
18 #include <nn/dbg.h>
19 #include <nn/dbg/dbg_Default.h>
20 #include <nn/init.h>
21 
22 using namespace nn::dbg;
23 
24 
25 namespace nn { namespace dbg {
26 
27     namespace
28     {
29         template <typename T>
Replace(T & var,T v)30         inline T Replace(T& var, T v)
31         {
32             T old = var;
33             var = v;
34             return old;
35         }
36 
37         void HandleBreak(nn::dbg::BreakReason reason, nn::Result* pResult,
38                     const char* filename, int lineno, const char* fmt, std::va_list args) NN_IS_UNUSED_FUNC;
HandleBreak(nn::dbg::BreakReason reason,nn::Result * pResult,const char * filename,int lineno,const char * fmt,std::va_list args)39         void HandleBreak(nn::dbg::BreakReason reason, nn::Result* pResult,
40                     const char* filename, int lineno, const char* fmt, std::va_list args)
41         {
42             ExceptionScreen::PrepareDisplaybuffer();
43 
44             // Wait one frame
45             os::Thread::Sleep(fnd::TimeSpan::FromMilliSeconds(20));
46 
47             DirectPrint* pdp = ExceptionScreen::GetDirectPrint();
48 
49             math::VEC2 pos(0, 0);
50 
51             pdp->SetFillSpace(true);
52 
53             switch(reason)
54             {
55             case BREAK_REASON_PANIC:    pdp->Printf(pos, "Panic!"); break;
56             case BREAK_REASON_ASSERT:   pdp->Printf(pos, "Assertion failed"); break;
57             case BREAK_REASON_USER:     pdp->Printf(pos, "User Break"); break;
58             default:                    pdp->Printf(pos, "unknown break reason %d", reason); break;
59             }
60             pos.x += DirectPrint::FONT_WIDTH;
61             pos.y += DirectPrint::FONT_HEIGHT;
62 
63             if( pResult != NULL )
64             {
65                 pdp->Printf(pos, "%-13s 0x%08X", "Result:", pResult->GetPrintableBits());
66                 pos.y += DirectPrint::FONT_HEIGHT;
67             }
68             if( filename != NULL )
69             {
70                 pdp->Printf(pos, true, true, "%-13s %s(%d)", "File(Line):", filename, lineno);
71                 pos.y += DirectPrint::FONT_HEIGHT;
72             }
73             if( fmt != NULL )
74             {
75                 pdp->Printf(pos, "Message:");
76                 pos.x += DirectPrint::FONT_WIDTH * 2;
77                 pos.y += DirectPrint::FONT_HEIGHT;
78 
79                 pdp->Printf(pos, "----");
80                 pos.y += DirectPrint::FONT_HEIGHT;
81 
82                 const f32 prevX = Replace(pos.x, 0.f);
83                 pdp->VPrintf(pos, fmt, args);
84                 pos.x = prevX;
85                 pos.y = pdp->GetLastCursorPos().y + DirectPrint::FONT_HEIGHT;
86 
87                 pdp->Printf(pos, "----");
88                 pos.y += DirectPrint::FONT_HEIGHT;
89             }
90 
91             pos.x = 0;
92             pdp->Printf(pos, "stop.");
93             pdp->Flush();
94         }
95     }
96 
SetDefaultExceptionHandler()97     void SetDefaultExceptionHandler()
98     {
99 #if NN_PLATFORM_HAS_MMU
100     #if ! defined(NN_HARDWARE_CTR_LEGACY)
101         nn::dbg::ExceptionScreen::Create(init::GetAllocator());
102     #endif
103 #endif  // if NN_PLATFORM_HAS_MMU
104     }
105 
SetDefaultBreakHandler()106     void SetDefaultBreakHandler()
107     {
108 #if NN_PLATFORM_HAS_MMU
109     #if ! defined(NN_HARDWARE_CTR_LEGACY)
110         nn::dbg::SetBreakHandler(&HandleBreak);
111     #endif
112 #endif  // if NN_PLATFORM_HAS_MMU
113     }
114 
115 }}
116