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LPC2368 [GCC_ARM, GCC_CR]: 

1. Added: GCC_CR toolchain ID for LPC2368. (targets.py)
2. Modified: Startup codes for GCC_ARM and GCC_CR toolchain.
3. Verified: "ticker" and "basic" test program works well, so far.
pull/50/head
dinau 2013-08-31 13:33:34 +09:00
parent e23be8a1b3
commit 7bcdf0b980
8 changed files with 192 additions and 251 deletions
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3
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_ARM/LPC2368.ld
View File

@ -48,7 +48,7 @@ SECTIONS
.text : {
__privileged_code_start__ = . ;
KEEP( *( .vectors ) )
*( .privileged_code )
KEEP( *( .privileged_code ) )
__privileged_code_end__ = .;
@ -142,6 +142,7 @@ SECTIONS
/* Heap starts here and grows up in memory */
. = ALIGN( 8 ) ;
__heap_start__ = . ;
end = . ;
.stab 0 (NOLOAD) : { *(.stab) }
.stabstr 0 (NOLOAD) : { *(.stabstr) }

211
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_ARM/vector_functions.s
View File

@ -1,180 +1,149 @@
# 1 "vector_functions.s"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "vector_functions.s"
;
;
;
/* .include "vector_defns.h" */
# 1 "vector_defns.h" 1
# 6 "vector_functions.s" 2
.section .plivileged_code, "ax"
.arm
.weak __mbed_fiq
.weak __mbed_undef
.weak __mbed_prefetch_abort
.weak __mbed_data_abort
.weak __mbed_irq
.weak __mbed_swi
.weak __mbed_dcc_irq
.weak __mbed_reset
.global __mbed_init_realmonitor
/* .global __mbed_init */
.section VECFUNCS, "ax"
.arm
.weak __mbed_fiq
.weak __mbed_undef
.weak __mbed_prefetch_abort
.weak __mbed_data_abort
.weak __mbed_irq
.weak __mbed_swi
.weak __mbed_dcc_irq
.weak __mbed_reset
.global __mbed_init_realmonitor
.global __mbed_init
;
;
__mbed_fiq:
B __mbed_fiq
;
;
__mbed_undef:
LDR PC, =0x7fffffa0
;
;
__mbed_prefetch_abort:
LDR PC, =0x7fffffb0
;
;
__mbed_data_abort:
LDR PC, =0x7fffffc0
;
;
;
;
;
;
;
;
;
__mbed_irq:
;
MSR CPSR_c, #0x1F|0x80|0x40
;
STMDB sp!, {r0-r3,r12,lr}
;
MOV r0, #0xFFFFFF00
LDR r0, [r0]
;
MOV lr, pc
BX r0
;
MOV r0, #0xFFFFFF00
STR r0, [r0] ;
;
STR r0, [r0]
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12|0x80|0x40
;
SUBS pc, lr, #4
;
;
;
;
__mbed_swi:
;
;
STMFD sp!, {a4, r4, ip, lr}
;
LDR r4, =0x40000040
;
;
LDR a4, =0x00940000
LDR PC, =0x7ffff820
;
;
;
;
__mbed_dcc_irq:
;
;
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12|0x80|0x40
;
;
SUB lr, lr, #4 ;
STMFD sp!, {ip,lr} ;
;
SUB lr, lr, #4
STMFD sp!, {ip,lr}
LDR LR, =0xfffff000
STR LR, [LR, #0xf00]
;
;
;
;
LDR PC, =0x7fffffe0
/*
__mbed_reset is called after reset
we setup the stacks and realmonitor, then call Reset_Handler like on M3
*/
.section .text, "ax"
.arm
.global Reset_handler
Reset_Handler:
.extern __libc_init_array
.extern SystemInit
.extern __wrap_main
LDR R0, =SystemInit
MOV LR, PC
BX R0
LDR R0, =__libc_init_array
MOV LR, PC
BX R0
LDR R0, =__wrap_main
BX R0
;
;
__mbed_reset:
;
LDR R0, =(0x40000000 + 0x8000)
;
LDR R0, =( __SRAM_segment_end__ )
MSR CPSR_c, #0x1B|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x17|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x11|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000000
;
MSR CPSR_c, #0x12|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x13|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x10
MOV SP, R0
/* Relocate .data section (Copy from ROM to RAM) */
LDR R1, =__text_end__ /* _etext */
LDR R2, =__data_start__ /* _data */
LDR R3, =__data_end__ /* _edata */
CMP R2, R3
BEQ DataIsEmpty
LoopRel: CMP R2, R3
LDRLO R0, [R1], #4
STRLO R0, [R2], #4
BLO LoopRel
DataIsEmpty:
;
/* Clear .bss section (Zero init) */
MOV R0, #0
LDR R1, =__bss_start__
LDR R2, =__bss_end__
CMP R1,R2
BEQ BSSIsEmpty
LoopZI: CMP R1, R2
STRLO R0, [R1], #4
BLO LoopZI
BSSIsEmpty:
/* Init realmonitor */
LDR R0, =__mbed_init_realmonitor
MOV LR, PC
BX R0
;
LDR R0, =__mbed_init
/* Go to Reset_Handler */
LDR R0, =Reset_Handler
BX R0

4
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_ARM/vector_table.s
View File

@ -18,7 +18,7 @@
.section VECTOR_TABLE, "ax"
.section .vectors, "ax"
.arm
@ -34,7 +34,7 @@
;
__main:
_start:
LDR PC, =__mbed_reset
LDR PC, =__mbed_undef
LDR PC, =__mbed_swi

6
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_CR/LPC2368.ld
View File

@ -2,7 +2,7 @@ OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(vectors)
GROUP(-lsupc++ -lm -lc -lgcc)
GROUP( libgcc.a libc.a libm.a libcr_newlib_nohost.a crti.o crtn.o crtbegin.o crtend.o )
/* Memory Definitions: */
MEMORY
@ -50,7 +50,7 @@ SECTIONS
.text : {
__privileged_code_start__ = . ;
KEEP( *( .vectors ) )
*( .privileged_code )
KEEP( *( .privileged_code ) )
__privileged_code_end__ = .;
@ -144,6 +144,8 @@ SECTIONS
/* Heap starts here and grows up in memory */
. = ALIGN( 8 ) ;
__heap_start__ = . ;
_pvHeapStart = . ;
end = . ;
.stab 0 (NOLOAD) : { *(.stab) }
.stabstr 0 (NOLOAD) : { *(.stabstr) }

211
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_CR/vector_functions.s
View File

@ -1,180 +1,149 @@
# 1 "vector_functions.s"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "vector_functions.s"
;
;
;
/* .include "vector_defns.h" */
# 1 "vector_defns.h" 1
# 6 "vector_functions.s" 2
.section .plivileged_code, "ax"
.arm
.weak __mbed_fiq
.weak __mbed_undef
.weak __mbed_prefetch_abort
.weak __mbed_data_abort
.weak __mbed_irq
.weak __mbed_swi
.weak __mbed_dcc_irq
.weak __mbed_reset
.global __mbed_init_realmonitor
/* .global __mbed_init */
.section VECFUNCS, "ax"
.arm
.weak __mbed_fiq
.weak __mbed_undef
.weak __mbed_prefetch_abort
.weak __mbed_data_abort
.weak __mbed_irq
.weak __mbed_swi
.weak __mbed_dcc_irq
.weak __mbed_reset
.global __mbed_init_realmonitor
.global __mbed_init
;
;
__mbed_fiq:
B __mbed_fiq
;
;
__mbed_undef:
LDR PC, =0x7fffffa0
;
;
__mbed_prefetch_abort:
LDR PC, =0x7fffffb0
;
;
__mbed_data_abort:
LDR PC, =0x7fffffc0
;
;
;
;
;
;
;
;
;
__mbed_irq:
;
MSR CPSR_c, #0x1F|0x80|0x40
;
STMDB sp!, {r0-r3,r12,lr}
;
MOV r0, #0xFFFFFF00
LDR r0, [r0]
;
MOV lr, pc
BX r0
;
MOV r0, #0xFFFFFF00
STR r0, [r0] ;
;
STR r0, [r0]
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12|0x80|0x40
;
SUBS pc, lr, #4
;
;
;
;
__mbed_swi:
;
;
STMFD sp!, {a4, r4, ip, lr}
;
LDR r4, =0x40000040
;
;
LDR a4, =0x00940000
LDR PC, =0x7ffff820
;
;
;
;
__mbed_dcc_irq:
;
;
LDMFD sp!,{r0-r3,r12,lr}
;
MSR CPSR_c, #0x12|0x80|0x40
;
;
SUB lr, lr, #4 ;
STMFD sp!, {ip,lr} ;
;
SUB lr, lr, #4
STMFD sp!, {ip,lr}
LDR LR, =0xfffff000
STR LR, [LR, #0xf00]
;
;
;
;
LDR PC, =0x7fffffe0
/*
__mbed_reset is called after reset
we setup the stacks and realmonitor, then call Reset_Handler like on M3
*/
.section .text, "ax"
.arm
.global Reset_handler
Reset_Handler:
.extern __libc_init_array
.extern SystemInit
.extern __wrap_main
LDR R0, =SystemInit
MOV LR, PC
BX R0
LDR R0, =__libc_init_array
MOV LR, PC
BX R0
LDR R0, =__wrap_main
BX R0
;
;
__mbed_reset:
;
LDR R0, =(0x40000000 + 0x8000)
;
LDR R0, =( __SRAM_segment_end__ )
MSR CPSR_c, #0x1B|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x17|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x11|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000000
;
MSR CPSR_c, #0x12|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x13|0x80|0x40
MOV SP, R0
SUB R0, R0, #0x00000040
;
MSR CPSR_c, #0x10
MOV SP, R0
/* Relocate .data section (Copy from ROM to RAM) */
LDR R1, =__text_end__ /* _etext */
LDR R2, =__data_start__ /* _data */
LDR R3, =__data_end__ /* _edata */
CMP R2, R3
BEQ DataIsEmpty
LoopRel: CMP R2, R3
LDRLO R0, [R1], #4
STRLO R0, [R2], #4
BLO LoopRel
DataIsEmpty:
;
/* Clear .bss section (Zero init) */
MOV R0, #0
LDR R1, =__bss_start__
LDR R2, =__bss_end__
CMP R1,R2
BEQ BSSIsEmpty
LoopZI: CMP R1, R2
STRLO R0, [R1], #4
BLO LoopZI
BSSIsEmpty:
/* Init realmonitor */
LDR R0, =__mbed_init_realmonitor
MOV LR, PC
BX R0
;
LDR R0, =__mbed_init
/* Go to Reset_Handler */
LDR R0, =Reset_Handler
BX R0

4
libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC23XX/TOOLCHAIN_GCC_CR/vector_table.s
View File

@ -18,7 +18,7 @@
.section VECTOR_TABLE, "ax"
.section .vectors, "ax"
.arm
@ -34,7 +34,7 @@
;
__main:
_start:
LDR PC, =__mbed_reset
LDR PC, =__mbed_undef
LDR PC, =__mbed_swi

2
libraries/tests/mbed/ticker/main.cpp
View File

@ -13,7 +13,7 @@ void flip_1() {
Ticker flipper_2;
#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC4088) || defined(TARGET_LPC1114)
#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC4088) || defined(TARGET_LPC1114) || defined(TARGET_LPC2368)
# define LED_NAME LED2
#elif defined(TARGET_KL05Z)
# define LED_NAME LED2

2
workspace_tools/targets.py
View File

@ -59,7 +59,7 @@ class LPC2368(Target):
self.extra_labels = ['NXP', 'LPC23XX']
self.supported_toolchains = ["ARM"]
self.supported_toolchains = ["ARM","GCC_ARM","GCC_CR"]
class LPC1768(Target):