1 /* mbed Microcontroller Library - Vectors
2 * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
5 #ifndef MBED_VECTOR_DEFNS_H
6 #define MBED_VECTOR_DEFNS_H
10 #define EXPORT(x) EXPORT x
11 #define WEAK_EXPORT(x) EXPORT x [WEAK]
12 #define IMPORT(x) IMPORT x
15 #define EXPORT(x) .global x
16 #define WEAK_EXPORT(x) .weak x
17 #define IMPORT(x) .global x
22 // Requires RAM (0x40000040-0x4000011F) to be allocated by the linker
24 // RealMonitor entry points
25 #define rm_init_entry 0x7fffff91
26 #define rm_undef_handler 0x7fffffa0
27 #define rm_prefetchabort_handler 0x7fffffb0
28 #define rm_dataabort_handler 0x7fffffc0
29 #define rm_irqhandler2 0x7fffffe0
30 //#define rm_RunningToStopped 0x7ffff808 // ARM - MBED64
31 #define rm_RunningToStopped 0x7ffff820 // ARM - PHAT40
33 // Unofficial RealMonitor entry points and variables
34 #define RM_MSG_SWI 0x00940000
35 #define StateP 0x40000040
37 // VIC register addresses
38 #define VIC_Base 0xfffff000
39 #define VICAddress_Offset 0xf00
40 #define VICVectAddr0_Offset 0x100
41 #define VICVectAddr2_Offset 0x108
42 #define VICVectAddr3_Offset 0x10c
43 #define VICVectAddr31_Offset 0x17c
44 #define VICIntEnClr_Offset 0x014
45 #define VICIntEnClr (*(volatile unsigned long *)(VIC_Base + 0x014))
46 #define VICVectAddr2 (*(volatile unsigned long *)(VIC_Base + 0x108))
47 #define VICVectAddr3 (*(volatile unsigned long *)(VIC_Base + 0x10C))
49 // ARM Mode bits and Interrupt flags in PSRs
57 #define I_Bit 0x80 // when I bit is set, IRQ is disabled
58 #define F_Bit 0x40 // when F bit is set, FIQ is disabled
61 #define LPC2368_RAM_ADDRESS 0x40000000 // RAM Base
62 #define LPC2368_RAM_SIZE 0x8000 // 32KB
64 // ISR Stack Allocation
65 #define UND_stack_size 0x00000040
66 #define SVC_stack_size 0x00000040
67 #define ABT_stack_size 0x00000040
68 #define FIQ_stack_size 0x00000000
69 #define IRQ_stack_size 0x00000040
71 #define ISR_stack_size (UND_stack_size + SVC_stack_size + ABT_stack_size + FIQ_stack_size + IRQ_stack_size)
73 // Full Descending Stack, so top-most stack points to just above the top of RAM
74 #define LPC2368_STACK_TOP (LPC2368_RAM_ADDRESS + LPC2368_RAM_SIZE)
75 #define USR_STACK_TOP (LPC2368_STACK_TOP - ISR_stack_size)