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author | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:23:13 +0100 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:23:17 +0100 |
commit | 2fff65aed2477a503c72629d27e2a330d30c02d1 (patch) | |
tree | 96fd9f2f8151e266c0cf8563a714d7bab8aa7cb0 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm | |
parent | 41fdd2b1f35bcb4224fdb8fee2b959e09d1f5916 (diff) | |
download | stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.gz stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.bz2 stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.xz stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.zip |
o Seemingly working Mutexes.
o Dropping the privileged/unprivileged split for now.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm')
-rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm deleted file mode 100644 index 12dc0d0..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/FLASH/Dual_Boot/HiTOP/STM3210X-XL_BANK2/cstart_thumb2.asm +++ /dev/null @@ -1,148 +0,0 @@ - - -;; NOTE: To allow the use of this file for both ARMv6M and ARMv7M, -;; we will only use 16-bit Thumb intructions. - - .extern _lc_ub_stack ; usr/sys mode stack pointer - .extern _lc_ue_stack ; symbol required by debugger - .extern _lc_ub_table ; ROM to RAM copy table - .extern main - .extern _Exit - .extern exit - .weak exit - .global __get_argcv - .weak __get_argcv - .extern __argcvbuf - .weak __argcvbuf - .extern __init_hardware - .extern __init_vector_table - .extern SystemInit - - .if @defined('__PROF_ENABLE__') - .extern __prof_init - .endif - .if @defined('__POSIX__') - .extern posix_main - .extern _posix_boot_stack_top - .endif - - .global _START - - .section .text.cstart - - .thumb -_START: - ;; anticipate possible ROM/RAM remapping - ;; by loading the 'real' program address - ldr r1,=_Next - bx r1 -_Next: - ;; initialize the stack pointer - ldr r1,=_lc_ub_stack ; TODO: make this part of the vector table - mov sp,r1 - - ;; call a user function which initializes hardware - ;; such as ROM/RAM re-mapping or MMU configuration - bl __init_hardware - - ;ldr r0, =SystemInit - ;bx r0 - bl SystemInit - - ;; copy initialized sections from ROM to RAM - ;; and clear uninitialized data sections in RAM - - ldr r3,=_lc_ub_table - movs r0,#0 -cploop: - ldr r4,[r3,#0] ; load type - ldr r5,[r3,#4] ; dst address - ldr r6,[r3,#8] ; src address - ldr r7,[r3,#12] ; size - - cmp r4,#1 - beq copy - cmp r4,#2 - beq clear - b done - -copy: - subs r7,r7,#1 - ldrb r1,[r6,r7] - strb r1,[r5,r7] - bne copy - - adds r3,r3,#16 - b cploop - -clear: - subs r7,r7,#1 - strb r0,[r5,r7] - bne clear - - adds r3,r3,#16 - b cploop - -done: - ;; initialize or copy the vector table - bl __init_vector_table - - .if @defined('__POSIX__') - - ;; posix stack buffer for system upbringing - ldr r0,=_posix_boot_stack_top - ldr r0, [r0] - mov sp,r0 - - .else - - ;; load r10 with end of USR/SYS stack, which is - ;; needed in case stack overflow checking is on - ;; NOTE: use 16-bit instructions only, for ARMv6M - ldr r0,=_lc_ue_stack - mov r10,r0 - - .endif - - .if @defined('__PROF_ENABLE__') - bl __prof_init - .endif - - .if @defined('__POSIX__') - ;; call posix_main with no arguments - bl posix_main - .else - ;; retrieve argc and argv (default argv[0]==NULL & argc==0) - bl __get_argcv - ldr r1,=__argcvbuf - ;; call main - bl main - .endif - - ;; call exit using the return value from main() - ;; Note. Calling exit will also run all functions - ;; that were supplied through atexit(). - bl exit - -__get_argcv: ; weak definition - movs r0,#0 - bx lr - - .ltorg - .endsec - - .calls '_START','__init_hardware' - .calls '_START','__init_vector_table' - .if @defined('__PROF_ENABLE__') - .calls '_START','__prof_init' - .endif - .if @defined('__POSIX__') - .calls '_START','posix_main' - .else - .calls '_START','__get_argcv' - .calls '_START','main' - .endif - .calls '_START','exit' - .calls '_START','',0 - - .end |