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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