1 /*---------------------------------------------------------------------------* 2 Project: OS 3 File: OSException.h 4 5 Copyright 2011 Nintendo. 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 *---------------------------------------------------------------------------*/ 14 15 #ifndef __OSEXCEPTION_H__ 16 #define __OSEXCEPTION_H__ 17 18 #define OS_EXCEPTION_SYSTEM_RESET 0 19 #define OS_EXCEPTION_MACHINE_CHECK 1 20 #define OS_EXCEPTION_DSI 2 21 #define OS_EXCEPTION_ISI 3 22 #define OS_EXCEPTION_EXTERNAL_INTERRUPT 4 23 #define OS_EXCEPTION_ALIGNMENT 5 24 #define OS_EXCEPTION_PROGRAM 6 25 #define OS_EXCEPTION_FLOATING_POINT 7 26 #define OS_EXCEPTION_DECREMENTER 8 27 #define OS_EXCEPTION_SYSTEM_CALL 9 28 #define OS_EXCEPTION_TRACE 10 29 #define OS_EXCEPTION_PERFORMANCE_MONITOR 11 30 #define OS_EXCEPTION_BREAKPOINT 12 31 #define OS_EXCEPTION_SYSTEM_INTERRUPT 13 32 #define OS_EXCEPTION_ICI 14 33 #define OS_EXCEPTION_MAX (OS_EXCEPTION_ICI + 1) 34 35 #ifndef _ASSEMBLER 36 #include <types.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define OS_EXCEPTION_MODE_SYSTEM 0 43 #define OS_EXCEPTION_MODE_THREAD 1 44 #define OS_EXCEPTION_MODE_GLOBAL 2 45 #define OS_EXCEPTION_MODE_THREAD_ALL_CORES 3 46 #define OS_EXCEPTION_MODE_GLOBAL_ALL_CORES 4 47 48 FORWARD_DECLARE_STRUCT_TYPE(OSContext) 49 50 typedef u8 OSExceptionMode; 51 typedef u8 OSExceptionType; 52 typedef BOOL (*OSExceptionCallback)(OSContext* interruptedContext); 53 OSExceptionCallback OSSetExceptionCallback(OSExceptionType exceptionType, 54 OSExceptionCallback callback); 55 OSExceptionCallback OSSetExceptionCallbackEx(OSExceptionMode exceptionMode, 56 OSExceptionType exceptionType, 57 OSExceptionCallback newCallback); 58 59 /* DABR and IABR registers are set per-process */ 60 void OSSetDABR(BOOL allCores, void* address, BOOL matchReads, BOOL matchWrites); 61 void OSSetIABR(BOOL allCores, void* address); 62 63 /*---------------------------------------------------------------------------* 64 FPSCR bits 65 *---------------------------------------------------------------------------*/ 66 #ifndef FPSCR_FX 67 #define FPSCR_FX 0x80000000 // Exception summary 68 #define FPSCR_FEX 0x40000000 // Enabled exception summary 69 #define FPSCR_VX 0x20000000 // Invalid operation 70 #define FPSCR_OX 0x10000000 // Overflow exception 71 #define FPSCR_UX 0x08000000 // Underflow exception 72 #define FPSCR_ZX 0x04000000 // Zero divide exception 73 #define FPSCR_XX 0x02000000 // Inexact exception 74 #define FPSCR_VXSNAN 0x01000000 // SNaN 75 #define FPSCR_VXISI 0x00800000 // Infinity - Infinity 76 #define FPSCR_VXIDI 0x00400000 // Infinity / Infinity 77 #define FPSCR_VXZDZ 0x00200000 // 0 / 0 78 #define FPSCR_VXIMZ 0x00100000 // Infinity * 0 79 #define FPSCR_VXVC 0x00080000 // Invalid compare 80 #define FPSCR_FR 0x00040000 // Fraction rounded 81 #define FPSCR_FI 0x00020000 // Fraction inexact 82 #define FPSCR_VXSOFT 0x00000400 // Software request 83 #define FPSCR_VXSQRT 0x00000200 // Invalid square root 84 #define FPSCR_VXCVI 0x00000100 // Invalid integer convert 85 #define FPSCR_VE 0x00000080 // Invalid operation exception enable 86 #define FPSCR_OE 0x00000040 // Overflow exception enable 87 #define FPSCR_UE 0x00000020 // Underflow exception enable 88 #define FPSCR_ZE 0x00000010 // Zero divide exception enable 89 #define FPSCR_XE 0x00000008 // Inexact exception enable 90 #define FPSCR_NI 0x00000004 // Non-IEEE mode 91 #endif // FPSCR_FX 92 93 #define FPSCR_ALL_ENABLE (FPSCR_VE | FPSCR_OE | FPSCR_UE | FPSCR_ZE | FPSCR_XE) 94 95 #define FPSCR_ALL_STATUS (FPSCR_FX | FPSCR_FEX | FPSCR_VX | FPSCR_OX | FPSCR_UX | FPSCR_ZX | FPSCR_XX | \ 96 FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | FPSCR_VXZDZ | FPSCR_VXIMZ | FPSCR_VXVC | \ 97 FPSCR_FI | FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI) 98 99 FORWARD_DECLARE_STRUCT_TYPE(OSThread) 100 BOOL OSEnableThreadFPUException(OSThread *thread, u32 fpu_ex_mask); 101 u32 OSEnableAllThreadFPUException(u32 fpu_ex_mask); 102 BOOL OSDisableThreadFPUException(OSThread *thread); 103 u32 OSDisableAllThreadFPUException(void); 104 void OSDisableContextFPUException(OSContext *context); 105 106 #ifdef __cplusplus 107 } 108 #endif 109 110 #endif // _ASSEMBLER 111 #endif // __OSEXCEPTION_H__ 112 113