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mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_CR/vector_functions.S@577:15494b56c2f3, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 08:15:11 2015 +0100
Revision:
577:15494b56c2f3
Parent:
targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_CR/vector_functions.s@20:4263a77256ae 
Synchronized with git revision 7766e75dd858812cd79aedb3080349715f55dd56



Full URL: https://github.com/mbedmicro/mbed/commit/7766e75dd858812cd79aedb3080349715f55dd56/



GCC asm updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 20:4263a77256ae 1 /* .include "vector_defns.h" */
bogdanm 20:4263a77256ae 2
bogdanm 13:0645d8841f51 3
bogdanm 20:4263a77256ae 4
bogdanm 20:4263a77256ae 5 .section .privileged_code, "ax"
bogdanm 20:4263a77256ae 6 .arm
bogdanm 13:0645d8841f51 7
bogdanm 13:0645d8841f51 8
bogdanm 20:4263a77256ae 9 .weak __mbed_fiq
bogdanm 20:4263a77256ae 10 .weak __mbed_undef
bogdanm 20:4263a77256ae 11 .weak __mbed_prefetch_abort
bogdanm 20:4263a77256ae 12 .weak __mbed_data_abort
bogdanm 20:4263a77256ae 13 .weak __mbed_irq
bogdanm 20:4263a77256ae 14 .weak __mbed_swi
bogdanm 20:4263a77256ae 15 .weak __mbed_dcc_irq
bogdanm 20:4263a77256ae 16 .weak __mbed_reset
bogdanm 20:4263a77256ae 17 .global __mbed_init_realmonitor
bogdanm 20:4263a77256ae 18 /* .global __mbed_init */
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22
bogdanm 13:0645d8841f51 23 __mbed_fiq:
bogdanm 13:0645d8841f51 24 B __mbed_fiq
bogdanm 13:0645d8841f51 25 __mbed_undef:
bogdanm 13:0645d8841f51 26 LDR PC, =0x7fffffa0
bogdanm 13:0645d8841f51 27 __mbed_prefetch_abort:
bogdanm 13:0645d8841f51 28 LDR PC, =0x7fffffb0
bogdanm 13:0645d8841f51 29 __mbed_data_abort:
bogdanm 13:0645d8841f51 30 LDR PC, =0x7fffffc0
bogdanm 13:0645d8841f51 31 __mbed_irq:
bogdanm 13:0645d8841f51 32 MSR CPSR_c, #0x1F|0x80|0x40
bogdanm 20:4263a77256ae 33
bogdanm 13:0645d8841f51 34 STMDB sp!, {r0-r3,r12,lr}
bogdanm 20:4263a77256ae 35
bogdanm 13:0645d8841f51 36 MOV r0, #0xFFFFFF00
bogdanm 13:0645d8841f51 37 LDR r0, [r0]
bogdanm 20:4263a77256ae 38
bogdanm 13:0645d8841f51 39 MOV lr, pc
bogdanm 13:0645d8841f51 40 BX r0
bogdanm 20:4263a77256ae 41
bogdanm 13:0645d8841f51 42 MOV r0, #0xFFFFFF00
bogdanm 20:4263a77256ae 43 STR r0, [r0]
bogdanm 20:4263a77256ae 44
bogdanm 13:0645d8841f51 45 LDMFD sp!,{r0-r3,r12,lr}
bogdanm 20:4263a77256ae 46
bogdanm 13:0645d8841f51 47 MSR CPSR_c, #0x12|0x80|0x40
bogdanm 20:4263a77256ae 48
bogdanm 13:0645d8841f51 49 SUBS pc, lr, #4
bogdanm 13:0645d8841f51 50 __mbed_swi:
bogdanm 13:0645d8841f51 51 STMFD sp!, {a4, r4, ip, lr}
bogdanm 20:4263a77256ae 52
bogdanm 13:0645d8841f51 53 LDR r4, =0x40000040
bogdanm 20:4263a77256ae 54
bogdanm 13:0645d8841f51 55 LDR a4, =0x00940000
bogdanm 13:0645d8841f51 56 LDR PC, =0x7ffff820
bogdanm 13:0645d8841f51 57 __mbed_dcc_irq:
bogdanm 13:0645d8841f51 58 LDMFD sp!,{r0-r3,r12,lr}
bogdanm 20:4263a77256ae 59
bogdanm 13:0645d8841f51 60 MSR CPSR_c, #0x12|0x80|0x40
bogdanm 20:4263a77256ae 61
bogdanm 20:4263a77256ae 62 SUB lr, lr, #4
bogdanm 20:4263a77256ae 63 STMFD sp!, {ip,lr}
bogdanm 20:4263a77256ae 64
bogdanm 13:0645d8841f51 65 LDR LR, =0xfffff000
bogdanm 13:0645d8841f51 66 STR LR, [LR, #0xf00]
bogdanm 20:4263a77256ae 67
bogdanm 13:0645d8841f51 68 LDR PC, =0x7fffffe0
bogdanm 20:4263a77256ae 69 /*
bogdanm 20:4263a77256ae 70 __mbed_reset is called after reset
bogdanm 20:4263a77256ae 71 we setup the stacks and realmonitor, then call Reset_Handler like on M3
bogdanm 20:4263a77256ae 72 */
bogdanm 13:0645d8841f51 73
bogdanm 20:4263a77256ae 74 .section .text, "ax"
bogdanm 20:4263a77256ae 75 .arm
bogdanm 20:4263a77256ae 76 .global Reset_handler
bogdanm 20:4263a77256ae 77 Reset_Handler:
bogdanm 20:4263a77256ae 78 .extern __libc_init_array
bogdanm 20:4263a77256ae 79 .extern SystemInit
bogdanm 20:4263a77256ae 80 .extern __wrap_main
bogdanm 20:4263a77256ae 81 LDR R0, =SystemInit
bogdanm 20:4263a77256ae 82 MOV LR, PC
bogdanm 20:4263a77256ae 83 BX R0
bogdanm 13:0645d8841f51 84
bogdanm 20:4263a77256ae 85 LDR R0, =__libc_init_array
bogdanm 20:4263a77256ae 86 MOV LR, PC
bogdanm 20:4263a77256ae 87 BX R0
bogdanm 13:0645d8841f51 88
bogdanm 20:4263a77256ae 89 LDR R0, =__wrap_main
bogdanm 20:4263a77256ae 90 BX R0
bogdanm 13:0645d8841f51 91
bogdanm 20:4263a77256ae 92 __mbed_reset:
bogdanm 20:4263a77256ae 93 LDR R0, =( __SRAM_segment_end__ )
bogdanm 20:4263a77256ae 94
bogdanm 13:0645d8841f51 95 MSR CPSR_c, #0x1B|0x80|0x40
bogdanm 13:0645d8841f51 96 MOV SP, R0
bogdanm 13:0645d8841f51 97 SUB R0, R0, #0x00000040
bogdanm 20:4263a77256ae 98
bogdanm 13:0645d8841f51 99 MSR CPSR_c, #0x17|0x80|0x40
bogdanm 13:0645d8841f51 100 MOV SP, R0
bogdanm 13:0645d8841f51 101 SUB R0, R0, #0x00000040
bogdanm 20:4263a77256ae 102
bogdanm 13:0645d8841f51 103 MSR CPSR_c, #0x11|0x80|0x40
bogdanm 13:0645d8841f51 104 MOV SP, R0
bogdanm 13:0645d8841f51 105 SUB R0, R0, #0x00000000
bogdanm 20:4263a77256ae 106
bogdanm 13:0645d8841f51 107 MSR CPSR_c, #0x12|0x80|0x40
bogdanm 13:0645d8841f51 108 MOV SP, R0
bogdanm 13:0645d8841f51 109 SUB R0, R0, #0x00000040
bogdanm 20:4263a77256ae 110
bogdanm 13:0645d8841f51 111 MSR CPSR_c, #0x13|0x80|0x40
bogdanm 13:0645d8841f51 112 MOV SP, R0
bogdanm 13:0645d8841f51 113 SUB R0, R0, #0x00000040
bogdanm 20:4263a77256ae 114
bogdanm 13:0645d8841f51 115 MSR CPSR_c, #0x10
bogdanm 13:0645d8841f51 116 MOV SP, R0
bogdanm 20:4263a77256ae 117
bogdanm 20:4263a77256ae 118 /* Relocate .data section (Copy from ROM to RAM) */
bogdanm 20:4263a77256ae 119 LDR R1, =__text_end__ /* _etext */
bogdanm 20:4263a77256ae 120 LDR R2, =__data_start__ /* _data */
bogdanm 20:4263a77256ae 121 LDR R3, =__data_end__ /* _edata */
bogdanm 20:4263a77256ae 122 CMP R2, R3
bogdanm 20:4263a77256ae 123 BEQ DataIsEmpty
bogdanm 20:4263a77256ae 124 LoopRel: CMP R2, R3
bogdanm 20:4263a77256ae 125 LDRLO R0, [R1], #4
bogdanm 20:4263a77256ae 126 STRLO R0, [R2], #4
bogdanm 20:4263a77256ae 127 BLO LoopRel
bogdanm 20:4263a77256ae 128 DataIsEmpty:
bogdanm 13:0645d8841f51 129
bogdanm 20:4263a77256ae 130 /* Clear .bss section (Zero init) */
bogdanm 20:4263a77256ae 131 MOV R0, #0
bogdanm 20:4263a77256ae 132 LDR R1, =__bss_start__
bogdanm 20:4263a77256ae 133 LDR R2, =__bss_end__
bogdanm 20:4263a77256ae 134 CMP R1,R2
bogdanm 20:4263a77256ae 135 BEQ BSSIsEmpty
bogdanm 20:4263a77256ae 136 LoopZI: CMP R1, R2
bogdanm 20:4263a77256ae 137 STRLO R0, [R1], #4
bogdanm 20:4263a77256ae 138 BLO LoopZI
bogdanm 20:4263a77256ae 139 BSSIsEmpty:
bogdanm 20:4263a77256ae 140
bogdanm 20:4263a77256ae 141
bogdanm 20:4263a77256ae 142 /* Init realmonitor */
bogdanm 13:0645d8841f51 143 LDR R0, =__mbed_init_realmonitor
bogdanm 13:0645d8841f51 144 MOV LR, PC
bogdanm 13:0645d8841f51 145 BX R0
bogdanm 20:4263a77256ae 146
bogdanm 20:4263a77256ae 147 /* Go to Reset_Handler */
bogdanm 20:4263a77256ae 148 LDR R0, =Reset_Handler
bogdanm 13:0645d8841f51 149 BX R0