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Diff: LPC2368/vector_defns.h
- Revision:
- 40:976df7c37ad5
- Child:
- 44:24d45a770a51
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LPC2368/vector_defns.h Tue Jun 12 18:23:44 2012 +0100 @@ -0,0 +1,75 @@ +/* mbed Microcontroller Library - Vectors + * Copyright (c) 2006-2009 ARM Limited. All rights reserved. + */ + +#ifndef MBED_VECTOR_DEFNS_H +#define MBED_VECTOR_DEFNS_H + +// Assember Macros +#ifdef __ARMCC_VERSION +#define EXPORT(x) EXPORT x +#define WEAK_EXPORT(x) EXPORT x [WEAK] +#define IMPORT(x) IMPORT x +#define LABEL(x) x +#else +#define EXPORT(x) .global x +#define WEAK_EXPORT(x) .weak x +#define IMPORT(x) .global x +#define LABEL(x) x: +#endif + +// RealMonitor +// Requires RAM (0x40000040-0x4000011F) to be allocated by the linker + +// RealMonitor entry points +#define rm_init_entry 0x7fffff91 +#define rm_undef_handler 0x7fffffa0 +#define rm_prefetchabort_handler 0x7fffffb0 +#define rm_dataabort_handler 0x7fffffc0 +#define rm_irqhandler2 0x7fffffe0 +//#define rm_RunningToStopped 0x7ffff808 // ARM - MBED64 +#define rm_RunningToStopped 0x7ffff820 // ARM - PHAT40 + +// Unofficial RealMonitor entry points and variables +#define RM_MSG_SWI 0x00940000 +#define StateP 0x40000040 + +// VIC register addresses +#define VIC_Base 0xfffff000 +#define VICAddress_Offset 0xf00 +#define VICVectAddr2_Offset 0x108 +#define VICVectAddr3_Offset 0x10c +#define VICIntEnClr_Offset 0x014 +#define VICIntEnClr (*(volatile unsigned long *)(VIC_Base + 0x014)) +#define VICVectAddr2 (*(volatile unsigned long *)(VIC_Base + 0x108)) +#define VICVectAddr3 (*(volatile unsigned long *)(VIC_Base + 0x10C)) + +// ARM Mode bits and Interrupt flags in PSRs +#define Mode_USR 0x10 +#define Mode_FIQ 0x11 +#define Mode_IRQ 0x12 +#define Mode_SVC 0x13 +#define Mode_ABT 0x17 +#define Mode_UND 0x1B +#define Mode_SYS 0x1F +#define I_Bit 0x80 // when I bit is set, IRQ is disabled +#define F_Bit 0x40 // when F bit is set, FIQ is disabled + +// MCU RAM +#define LPC2368_RAM_ADDRESS 0x40000000 // RAM Base +#define LPC2368_RAM_SIZE 0x8000 // 32KB + +// ISR Stack Allocation +#define UND_stack_size 0x00000040 +#define SVC_stack_size 0x00000040 +#define ABT_stack_size 0x00000040 +#define FIQ_stack_size 0x00000000 +#define IRQ_stack_size 0x00000040 + +#define ISR_stack_size (UND_stack_size + SVC_stack_size + ABT_stack_size + FIQ_stack_size + IRQ_stack_size) + +// Full Descending Stack, so top-most stack points to just above the top of RAM +#define LPC2368_STACK_TOP (LPC2368_RAM_ADDRESS + LPC2368_RAM_SIZE) +#define USR_STACK_TOP (LPC2368_STACK_TOP - ISR_stack_size) + +#endif