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Diffstat (limited to 'include/bsp/swi.h')
| -rw-r--r-- | include/bsp/swi.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/include/bsp/swi.h b/include/bsp/swi.h new file mode 100644 index 0000000000..e9eb434a58 --- /dev/null +++ b/include/bsp/swi.h @@ -0,0 +1,110 @@ +/** + * @file + * + * @ingroup arm_gdbarmsim + * + * @brief Software interrupt definitions. + */ + +/** + * @defgroup gdbarmsim_swi SWI Definitions + * + * @ingroup arm_gdbarmsim + * + * @brief Software interrupt definitions. + */ + +/* + * Copied from libgloss 1 Oct 2009. + * Minor modifications to work with RTEMS. + */ + +/* SWI numbers for RDP (Demon) monitor. */ +#define SWI_WriteC 0x0 +#define SWI_Write0 0x2 +#define SWI_ReadC 0x4 +#define SWI_CLI 0x5 +#define SWI_GetEnv 0x10 +#define SWI_Exit 0x11 +#define SWI_EnterOS 0x16 + +#define SWI_GetErrno 0x60 +#define SWI_Clock 0x61 +#define SWI_Time 0x63 +#define SWI_Remove 0x64 +#define SWI_Rename 0x65 +#define SWI_Open 0x66 + +#define SWI_Close 0x68 +#define SWI_Write 0x69 +#define SWI_Read 0x6a +#define SWI_Seek 0x6b +#define SWI_Flen 0x6c + +#define SWI_IsTTY 0x6e +#define SWI_TmpNam 0x6f +#define SWI_InstallHandler 0x70 +#define SWI_GenerateError 0x71 + + +/* Now the SWI numbers and reason codes for RDI (Angel) monitors. */ +#define AngelSWI_ARM 0x123456 +#ifdef __thumb__ +#define AngelSWI 0xAB +#else +#define AngelSWI AngelSWI_ARM +#endif +/* For Thumb-2 code use the BKPT instruction instead of SWI. */ +#ifdef __thumb2__ +#define AngelSWIInsn "bkpt" +#define AngelSWIAsm bkpt +#else +#define AngelSWIInsn "swi" +#define AngelSWIAsm swi +#endif + +/* The reason codes: */ +#define AngelSWI_Reason_Open 0x01 +#define AngelSWI_Reason_Close 0x02 +#define AngelSWI_Reason_WriteC 0x03 +#define AngelSWI_Reason_Write0 0x04 +#define AngelSWI_Reason_Write 0x05 +#define AngelSWI_Reason_Read 0x06 +#define AngelSWI_Reason_ReadC 0x07 +#define AngelSWI_Reason_IsTTY 0x09 +#define AngelSWI_Reason_Seek 0x0A +#define AngelSWI_Reason_FLen 0x0C +#define AngelSWI_Reason_TmpNam 0x0D +#define AngelSWI_Reason_Remove 0x0E +#define AngelSWI_Reason_Rename 0x0F +#define AngelSWI_Reason_Clock 0x10 +#define AngelSWI_Reason_Time 0x11 +#define AngelSWI_Reason_System 0x12 +#define AngelSWI_Reason_Errno 0x13 +#define AngelSWI_Reason_GetCmdLine 0x15 +#define AngelSWI_Reason_HeapInfo 0x16 +#define AngelSWI_Reason_EnterSVC 0x17 +#define AngelSWI_Reason_ReportException 0x18 +#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) +#define ADP_Stopped_RunTimeError ((2 << 16) + 35) + +#if defined(ARM_RDI_MONITOR) && !defined(__ASSEMBLER__) + +static inline int +do_AngelSWI (int reason, void * arg) +{ + int value; + __asm__ volatile ("mov r0, %1; mov r1, %2; " AngelSWIInsn " %a3; mov %0, r0" + : "=r" (value) /* Outputs */ + : "r" (reason), "r" (arg), "i" (AngelSWI) /* Inputs */ + : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" + /* Clobbers r0 and r1, and lr if in supervisor mode */); + /* Accordingly to page 13-77 of ARM DUI 0040D other registers + can also be clobbered. Some memory positions may also be + changed by a system call, so they should not be kept in + registers. Note: we are assuming the manual is right and + Angel is respecting the APCS. */ + return value; +} + +#endif |