Kenji Arai
Please see my note book http://mbed.org/users/kenjiArai/notebook/freertos-on-mbed-board-with-mbed-cloud-ide--never-/
This is too old.
Below is another FreeRTOS on mbed.
http://developer.mbed.org/users/rgrover1/code/FreeRTOS/
I don't know it works well or not.
I have not evaluated it.
Diff: FreeRTOS/Source/portable/GCC/ARM_CM3/port_asm_mbed.s
- Revision:
- 0:d4960fcea8ff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM3/port_asm_mbed.s Sat Jan 01 11:17:45 2011 +0000
@@ -0,0 +1,606 @@
+;//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+;
+; This is a program for FreeRTOS on LPC1768 mbed IDE
+;
+; C source file: port_asm.c
+; Compiled on: GCC: (Sourcery G++ Lite 2010q1-188) 4.4.1
+; Hand modification by: Kenji Arai / JH1PJL
+; http://www.page.sannet.ne.jp/kenjia/index.html
+;
+; Started on: October 31st, 2010
+; updated on: October 31st, 2010
+;
+;//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+; .syntax unified
+; .cpu cortex-m3
+; .fpu softvfp
+; .eabi_attribute 20, 1
+; .eabi_attribute 21, 1
+; .eabi_attribute 23, 3
+; .eabi_attribute 24, 1
+; .eabi_attribute 25, 1
+; .eabi_attribute 26, 1
+; .eabi_attribute 30, 6
+; .eabi_attribute 18, 4
+
+ EXTERN pxCurrentTCB
+ EXTERN uxCriticalNesting
+ EXTERN vTaskSwitchContext
+ EXTERN vTaskIncrementTick
+ EXTERN prvCopyDataToQueue
+ EXTERN xTaskRemoveFromEventList
+ EXTERN prvCopyDataFromQueue
+ EXTERN prvIdleTask
+ EXTERN xTaskGenericCreate
+ EXTERN xSchedulerRunning
+ EXTERN xTickCount
+ EXTERN vConfigureTimerForRunTimeStats
+ EXTERN xPortStartScheduler
+ EXTERN vPortEndScheduler
+
+ CODE16
+ PRESERVE8
+ AREA Port, CODE, READONLY
+;//////////////////////////////////////////////////////
+; .thumb
+ THUMB
+; .file "port_asm.c"
+; .text
+; .align 2
+ ALIGN 2
+ GLOBAL Reset_Handler
+ THUMB
+Reset_Handler
+ push {r7, lr}
+ pop {r7, pc}
+
+;///////////////////////////////////////////////////////
+ ALIGN 2
+; .global vPortSVCHandler
+ GLOBAL vPortSVCHandler
+; .thumb
+ THUMB
+; .thumb_func
+; .type vPortSVCHandler, %function
+;vPortSVCHandler:
+vPortSVCHandler
+; @ Naked Function: prologue and epilogue provided by programmer.
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+;@ 199 "port_asm.c" 1
+ ldr r3, pxCurrentTCBConst2
+ ldr r1, [r3]
+ ldr r0, [r1]
+ ldmia r0!, {r4-r11}
+ msr psp, r0
+ mov r0, #0
+ msr basepri, r0
+ orr r14, #0xd
+ bx r14
+
+; .align 2
+ ALIGN 2
+;pxCurrentTCBConst2: .word pxCurrentTCB
+pxCurrentTCBConst2 DCD pxCurrentTCB
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+; .size vPortSVCHandler, .-vPortSVCHandler
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global vPortStartFirstTask
+ GLOBAL vPortStartFirstTask
+; .thumb
+ THUMB
+; .thumb_func
+; .type vPortStartFirstTask, %function
+;vPortStartFirstTask:
+vPortStartFirstTask
+; @ Naked Function: prologue and epilogue provided by programmer.
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+;@ 218 "port_asm.c" 1
+ ldr r0, =0xE000ED08
+ ldr r0, [r0]
+ ldr r0, [r0]
+ msr msp, r0
+ svc 0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+; .size vPortStartFirstTask, .-vPortStartFirstTask
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global vPortEnterCritical
+ GLOBAL vPortEnterCritical
+; .thumb
+ THUMB
+; .thumb_func
+; .type vPortEnterCritical, %function
+;vPortEnterCritical:
+vPortEnterCritical
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+; @ link register save eliminated.
+ push {r7}
+ add r7, sp, #0
+;@ 270 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ movw r3, #:lower16:uxCriticalNesting
+ movt r3, #:upper16:uxCriticalNesting
+ ldr r3, [r3, #0]
+ add r2, r3, #1
+ movw r3, #:lower16:uxCriticalNesting
+ movt r3, #:upper16:uxCriticalNesting
+ str r2, [r3, #0]
+ mov sp, r7
+ pop {r7}
+ bx lr
+; .size vPortEnterCritical, .-vPortEnterCritical
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global vPortExitCritical
+ GLOBAL vPortExitCritical
+; .thumb
+ THUMB
+; .thumb_func
+; .type vPortExitCritical, %function
+;vPortExitCritical:
+vPortExitCritical
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+; @ link register save eliminated.
+ push {r7}
+ add r7, sp, #0
+ movw r3, #:lower16:uxCriticalNesting
+ movt r3, #:upper16:uxCriticalNesting
+ ldr r3, [r3, #0]
+ add r2, r3, #-1
+ movw r3, #:lower16:uxCriticalNesting
+ movt r3, #:upper16:uxCriticalNesting
+ str r2, [r3, #0]
+ movw r3, #:lower16:uxCriticalNesting
+ movt r3, #:upper16:uxCriticalNesting
+ ldr r3, [r3, #0]
+ cmp r3, #0
+; bne .L9
+ bne Jmp0
+;@ 280 "port_asm.c" 1
+ mov r0, #0
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+;.L9:
+Jmp0
+ mov sp, r7
+ pop {r7}
+ bx lr
+; .size vPortExitCritical, .-vPortExitCritical
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global xPortPendSVHandler
+ GLOBAL xPortPendSVHandler
+; .thumb
+ THUMB
+; .thumb_func
+; .type xPortPendSVHandler, %function
+;xPortPendSVHandler:
+xPortPendSVHandler
+; @ Naked Function: prologue and epilogue provided by programmer.
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+;@ 289 "port_asm.c" 1
+ mrs r0, psp
+
+ ldr r3, pxCurrentTCBConst
+ ldr r2, [r3]
+
+ stmdb r0!, {r4-r11}
+ str r0, [r2]
+
+ stmdb sp!, {r3, r14}
+ mov r0, #40
+ msr basepri, r0
+; error " port_asm_mbed.s.s.LPC1768.o(Port) contains invalid call from '~PRES8 (The user did not require code to preserve 8-byte aligment of 8-byte data objects)' function to 'REQ8 (Code was permitted to depend on the 8-byte aligment of 8-byte data items)' function vTaskSwitchContext. (EL6238E)
+ bl vTaskSwitchContext
+
+ mov r0, #0
+ msr basepri, r0
+ ldmia sp!, {r3, r14}
+
+ ldr r1, [r3]
+ ldr r0, [r1]
+ ldmia r0!, {r4-r11}
+ msr psp, r0
+ bx r14
+
+; .align 2
+ ALIGN 2
+;pxCurrentTCBConst: .word pxCurrentTCB
+pxCurrentTCBConst DCD pxCurrentTCB
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+; .size xPortPendSVHandler, .-xPortPendSVHandler
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global xPortSysTickHandler
+ GLOBAL xPortSysTickHandler
+; .thumb
+ THUMB
+; .thumb_func
+; .type xPortSysTickHandler, %function
+;xPortSysTickHandler:
+xPortSysTickHandler
+; @ args = 0, pretend = 0, frame = 8
+; @ frame_needed = 1, uses_anonymous_args = 0
+ push {r7, lr}
+ sub sp, sp, #8
+ add r7, sp, #0
+; movw r3, #:lower16:-536810236
+; movt r3, #:upper16:-536810236
+ movw r3, #0xED04
+ movt r3, #0xE000
+; movw r3, #:LDW:(-536810236)
+; movt r3, #:HDW:(-536810236)
+; mov32 r3, -536810236
+; mov r2, #268435456
+ str r2, [r3, #0]
+ mov r3, #0
+ str r3, [r7, #4]
+;@ 329 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ bl vTaskIncrementTick
+;@ 333 "port_asm.c" 1
+ mov r0, #0
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ add r7, r7, #8
+ mov sp, r7
+ pop {r7, pc}
+; .size xPortSysTickHandler, .-xPortSysTickHandler
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global xQueueGenericSendFromISR
+ GLOBAL xQueueGenericSendFromISR
+; .thumb
+ THUMB
+; .thumb_func
+; .type xQueueGenericSendFromISR, %function
+;xQueueGenericSendFromISR:
+xQueueGenericSendFromISR
+; @ args = 0, pretend = 0, frame = 24
+; @ frame_needed = 1, uses_anonymous_args = 0
+ push {r7, lr}
+ sub sp, sp, #24
+ add r7, sp, #0
+ str r0, [r7, #12]
+ str r1, [r7, #8]
+ str r2, [r7, #4]
+ str r3, [r7, #0]
+ mov r3, #0
+ str r3, [r7, #20]
+;@ 399 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ ldr r3, [r7, #12]
+ ldr r2, [r3, #56]
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #60]
+ cmp r2, r3
+; bcs .L15
+ bcs Jmp5
+ ldr r0, [r7, #12]
+ ldr r1, [r7, #8]
+ ldr r2, [r7, #0]
+ bl prvCopyDataToQueue
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #72]
+ cmp r3, #-1
+; bne .L16
+ bne Jmp1
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #36]
+ cmp r3, #0
+; beq .L21
+ beq Jmp2
+ ldr r3, [r7, #12]
+ add r3, r3, #36
+ mov r0, r3
+ bl xTaskRemoveFromEventList
+ mov r3, r0
+ cmp r3, #0
+; beq .L22
+ beq Jmp3
+ ldr r3, [r7, #4]
+ mov r2, #1
+ str r2, [r3, #0]
+; b .L18
+ b Jmp4
+;.L16:
+Jmp1
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #72]
+ add r2, r3, #1
+ ldr r3, [r7, #12]
+ str r2, [r3, #72]
+; b .L18
+ b Jmp4
+;.L21:
+Jmp2
+ nop
+; b .L18
+ b Jmp4
+;.L22:
+Jmp3
+ nop
+;.L18:
+Jmp4
+ mov r3, #1
+ str r3, [r7, #16]
+; b .L19
+ b Jmp6
+;.L15:
+Jmp5
+ mov r3, #0
+ str r3, [r7, #16]
+;.L19:
+Jmp6
+;@ 436 "port_asm.c" 1
+ mov r0, #0
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ ldr r3, [r7, #16]
+ mov r0, r3
+ add r7, r7, #24
+ mov sp, r7
+ pop {r7, pc}
+; .size xQueueGenericSendFromISR, .-xQueueGenericSendFromISR
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global xQueueReceiveFromISR
+ GLOBAL xQueueReceiveFromISR
+; .thumb
+ THUMB
+; .thumb_func
+; .type xQueueReceiveFromISR, %function
+;xQueueReceiveFromISR:
+xQueueReceiveFromISR
+; @ args = 0, pretend = 0, frame = 24
+; @ frame_needed = 1, uses_anonymous_args = 0
+ push {r7, lr}
+ sub sp, sp, #24
+ add r7, sp, #0
+ str r0, [r7, #12]
+ str r1, [r7, #8]
+ str r2, [r7, #4]
+ mov r3, #0
+ str r3, [r7, #20]
+;@ 449 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #56]
+ cmp r3, #0
+; beq .L24
+ beq Jmp11
+ ldr r0, [r7, #12]
+ ldr r1, [r7, #8]
+ bl prvCopyDataFromQueue
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #56]
+ add r2, r3, #-1
+ ldr r3, [r7, #12]
+ str r2, [r3, #56]
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #68]
+ cmp r3, #-1
+; bne .L25
+ bne Jmp7
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #16]
+ cmp r3, #0
+; beq .L30
+ beq Jmp8
+ ldr r3, [r7, #12]
+ add r3, r3, #16
+ mov r0, r3
+ bl xTaskRemoveFromEventList
+ mov r3, r0
+ cmp r3, #0
+; beq .L31
+ beq Jmp9
+ ldr r3, [r7, #4]
+ mov r2, #1
+ str r2, [r3, #0]
+; b .L27
+ b Jmp10
+;.L25:
+Jmp7
+ ldr r3, [r7, #12]
+ ldr r3, [r3, #68]
+ add r2, r3, #1
+ ldr r3, [r7, #12]
+ str r2, [r3, #68]
+; b .L27
+ b Jmp10
+;.L30:
+Jmp8
+ nop
+; b .L27
+ b Jmp10
+;.L31:
+Jmp9
+ nop
+;.L27:
+Jmp10
+ mov r3, #1
+ str r3, [r7, #16]
+; b .L28
+ b Jmp12
+;.L24:
+Jmp11
+ mov r3, #0
+ str r3, [r7, #16]
+;.L28:
+Jmp12
+;@ 489 "port_asm.c" 1
+ mov r0, #0
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ ldr r3, [r7, #16]
+ mov r0, r3
+ add r7, r7, #24
+ mov sp, r7
+ pop {r7, pc}
+; .size xQueueReceiveFromISR, .-xQueueReceiveFromISR
+;///////////////////////////////////////////////////////
+; .section .rodata
+; AREA Text, CODE, READONLY ??????????????????????????????????????????????
+; .align 2
+ ALIGN 2
+;.LC0:
+Txt0
+; .ascii "IDLE\000"
+ DCB "IDLE\000",0
+; .text
+; AREA Port, CODE, READONLY ??????????????????????????????????????????????
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global vTaskStartScheduler
+ GLOBAL vTaskStartScheduler
+; .thumb
+ THUMB
+; .thumb_func
+; .type vTaskStartScheduler, %function
+;vTaskStartScheduler:
+vTaskStartScheduler
+; @ args = 0, pretend = 0, frame = 8
+; @ frame_needed = 1, uses_anonymous_args = 0
+ push {r7, lr}
+ sub sp, sp, #24
+ add r7, sp, #16
+; movw r3, #:lower16:.LC0
+; movt r3, #:upper16:.LC0
+; movw r3, # LDW Txt0
+; movt r3, # HDW Txt0
+ movw r3, #:lower16:Txt0
+ movt r3, #:upper16:Txt0
+ mov r2, #0
+ str r2, [sp, #0]
+ mov r2, #0
+ str r2, [sp, #4]
+ mov r2, #0
+ str r2, [sp, #8]
+ mov r2, #0
+ str r2, [sp, #12]
+ movw r0, #:lower16:prvIdleTask
+ movt r0, #:upper16:prvIdleTask
+ mov r1, r3
+ mov r2, #64
+ mov r3, #0
+ bl xTaskGenericCreate
+ mov r3, r0
+ str r3, [r7, #4]
+ ldr r3, [r7, #4]
+ cmp r3, #1
+; bne .L34
+ bne Jmp13
+;@ 514 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ movw r3, #:lower16:xSchedulerRunning
+ movt r3, #:upper16:xSchedulerRunning
+ mov r2, #1
+ str r2, [r3, #0]
+ movw r3, #:lower16:xTickCount
+ movt r3, #:upper16:xTickCount
+ mov r2, #0
+ str r2, [r3, #0]
+ bl vConfigureTimerForRunTimeStats
+ bl xPortStartScheduler
+;.L34:
+Jmp13
+ add r7, r7, #8
+ mov sp, r7
+ pop {r7, pc}
+; .size vTaskStartScheduler, .-vTaskStartScheduler
+;///////////////////////////////////////////////////////
+; .align 2
+ ALIGN 2
+; .global vTaskEndScheduler
+ GLOBAL vTaskEndScheduler
+; .thumb
+ THUMB
+; .thumb_func
+; .type vTaskEndScheduler, %function
+;vTaskEndScheduler:
+vTaskEndScheduler
+; @ args = 0, pretend = 0, frame = 0
+; @ frame_needed = 1, uses_anonymous_args = 0
+ push {r7, lr}
+ add r7, sp, #0
+;@ 546 "port_asm.c" 1
+ mov r0, #40
+ msr basepri, r0
+
+;@ 0 "" 2
+; .thumb
+ THUMB
+ movw r3, #:lower16:xSchedulerRunning
+ movt r3, #:upper16:xSchedulerRunning
+ mov r2, #0
+ str r2, [r3, #0]
+ bl vPortEndScheduler
+ pop {r7, pc}
+; .size vTaskEndScheduler, .-vTaskEndScheduler
+; .ident "GCC: (Sourcery G++ Lite 2010q1-188) 4.4.1"
+ ALIGN 2
+ nop
+ nop
+ nop
+ END