90 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
/* SWI numbers for RDP (Demon) monitor.  */
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#define SWI_WriteC                 0x0
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#define SWI_Write0                 0x2
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#define SWI_ReadC                  0x4
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#define SWI_CLI                    0x5
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#define SWI_GetEnv                 0x10
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#define SWI_Exit                   0x11
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#define SWI_EnterOS                0x16
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#define SWI_GetErrno               0x60
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#define SWI_Clock                  0x61
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#define SWI_Time                   0x63
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#define SWI_Remove                 0x64
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#define SWI_Rename                 0x65
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#define SWI_Open                   0x66
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#define SWI_Close                  0x68
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#define SWI_Write                  0x69
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#define SWI_Read                   0x6a
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#define SWI_Seek                   0x6b
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#define SWI_Flen                   0x6c
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#define SWI_IsTTY                  0x6e
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#define SWI_TmpNam                 0x6f
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#define SWI_InstallHandler         0x70
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#define SWI_GenerateError          0x71
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/* Now the SWI numbers and reason codes for RDI (Angel) monitors.  */
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#define AngelSWI_ARM 			0x123456
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#ifdef __thumb__
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#define AngelSWI 			0xAB
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#else
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#define AngelSWI 			AngelSWI_ARM
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#endif
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/* For Thumb-2 code use the BKPT instruction instead of SWI.  */
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#ifdef __thumb2__
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#define AngelSWIInsn			"bkpt"
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#define AngelSWIAsm			bkpt
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#else
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#define AngelSWIInsn			"swi"
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#define AngelSWIAsm			swi
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#endif
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/* The reason codes:  */
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#define AngelSWI_Reason_Open		0x01
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#define AngelSWI_Reason_Close		0x02
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#define AngelSWI_Reason_WriteC		0x03
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#define AngelSWI_Reason_Write0		0x04
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#define AngelSWI_Reason_Write		0x05
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#define AngelSWI_Reason_Read		0x06
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#define AngelSWI_Reason_ReadC		0x07
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#define AngelSWI_Reason_IsTTY		0x09
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#define AngelSWI_Reason_Seek		0x0A
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#define AngelSWI_Reason_FLen		0x0C
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#define AngelSWI_Reason_TmpNam		0x0D
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#define AngelSWI_Reason_Remove		0x0E
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#define AngelSWI_Reason_Rename		0x0F
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#define AngelSWI_Reason_Clock		0x10
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#define AngelSWI_Reason_Time		0x11
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#define AngelSWI_Reason_System		0x12
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#define AngelSWI_Reason_Errno		0x13
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#define AngelSWI_Reason_GetCmdLine 	0x15
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#define AngelSWI_Reason_HeapInfo 	0x16
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#define AngelSWI_Reason_EnterSVC 	0x17
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#define AngelSWI_Reason_ReportException 0x18
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#define ADP_Stopped_ApplicationExit 	((2 << 16) + 38)
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#define ADP_Stopped_RunTimeError 	((2 << 16) + 35)
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#if defined(ARM_RDI_MONITOR) && !defined(__ASSEMBLER__)
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static inline int
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do_AngelSWI (int reason, void * arg)
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{
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  int value;
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  asm volatile ("mov r0, %1; mov r1, %2; " AngelSWIInsn " %a3; mov %0, r0"
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       : "=r" (value) /* Outputs */
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       : "r" (reason), "r" (arg), "i" (AngelSWI) /* Inputs */
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       : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc"
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		/* Clobbers r0 and r1, and lr if in supervisor mode */);
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                /* Accordingly to page 13-77 of ARM DUI 0040D other registers
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                   can also be clobbered.  Some memory positions may also be
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                   changed by a system call, so they should not be kept in
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                   registers. Note: we are assuming the manual is right and
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                   Angel is respecting the APCS.  */
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  return value;
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}
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#endif
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