From 70747c1123693125bc70b1d4aebbbf95227cccbb Mon Sep 17 00:00:00 2001 From: iorebuild Date: Mon, 14 Jul 2025 20:50:02 +0800 Subject: [PATCH] =?UTF-8?q?threadx=E7=9A=84=E6=96=87=E4=BB=B6=E5=8D=95?= =?UTF-8?q?=E7=8B=AC=E6=94=BE=E5=88=B0=E5=AF=B9=E5=BA=94=E5=B7=A5=E7=A8=8B?= =?UTF-8?q?=E7=9A=84=E7=9B=AE=E5=BD=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../keil/src/tx_initialize_low_level.s | 121 ------------------ 1 file changed, 121 deletions(-) delete mode 100644 ports/cortex_m3/keil/src/tx_initialize_low_level.s diff --git a/ports/cortex_m3/keil/src/tx_initialize_low_level.s b/ports/cortex_m3/keil/src/tx_initialize_low_level.s deleted file mode 100644 index 5f6a008..0000000 --- a/ports/cortex_m3/keil/src/tx_initialize_low_level.s +++ /dev/null @@ -1,121 +0,0 @@ - IMPORT _tx_thread_system_stack_ptr - IMPORT _tx_initialize_unused_memory - IMPORT _tx_timer_interrupt - IMPORT __main - IMPORT __initial_sp - IMPORT __Vectors - -SYSTEM_CLOCK EQU 72000000 -SYSTICK_CYCLES EQU ((SYSTEM_CLOCK / 1000) -1) - - AREA ||.text||, CODE, READONLY - -;VOID _tx_initialize_low_level(VOID) -;{ - EXPORT _tx_initialize_low_level -_tx_initialize_low_level -; -; /* Disable interrupts during ThreadX initialization. */ -; - CPSID i -; -; /* Set base of available memory to end of non-initialised RAM area. */ -; - LDR r0, =_tx_initialize_unused_memory ; Build address of unused memory pointer - LDR r1, =__initial_sp ; Build first free address - ADD r1, r1, #4 ; - STR r1, [r0] ; Setup first unused memory pointer -; -; /* Setup Vector Table Offset Register. */ -; - MOV r0, #0xE000E000 ; Build address of NVIC registers - LDR r1, =__Vectors ; Pickup address of vector table - STR r1, [r0, #0xD08] ; Set vector table address -; -; /* Enable the cycle count register. */ -; -; LDR r0, =0xE0001000 ; Build address of DWT register -; LDR r1, [r0] ; Pickup the current value -; ORR r1, r1, #1 ; Set the CYCCNTENA bit -; STR r1, [r0] ; Enable the cycle count register -; -; /* Set system stack pointer from vector value. */ -; - LDR r0, =_tx_thread_system_stack_ptr ; Build address of system stack pointer - LDR r1, =__Vectors ; Pickup address of vector table - LDR r1, [r1] ; Pickup reset stack pointer - STR r1, [r0] ; Save system stack pointer -; -; /* Configure SysTick for 100Hz clock, or 16384 cycles if no reference. */ -; - MOV r0, #0xE000E000 ; Build address of NVIC registers - LDR r1, =SYSTICK_CYCLES - STR r1, [r0, #0x14] ; Setup SysTick Reload Value - MOV r1, #0x7 ; Build SysTick Control Enable Value - STR r1, [r0, #0x10] ; Setup SysTick Control -; -; /* Configure handler priorities. */ -; - LDR r1, =0x00000000 ; Rsrv, UsgF, BusF, MemM - STR r1, [r0, #0xD18] ; Setup System Handlers 4-7 Priority Registers - - LDR r1, =0xFF000000 ; SVCl, Rsrv, Rsrv, Rsrv - STR r1, [r0, #0xD1C] ; Setup System Handlers 8-11 Priority Registers - ; Note: SVC must be lowest priority, which is 0xFF - - LDR r1, =0x40FF0000 ; SysT, PnSV, Rsrv, DbgM - STR r1, [r0, #0xD20] ; Setup System Handlers 12-15 Priority Registers - ; Note: PnSV must be lowest priority, which is 0xFF -; -; /* Return to caller. */ -; - BX lr -;} -;/* Define shells for each of the unused vectors. */ -; - EXPORT __tx_BadHandler -__tx_BadHandler - B __tx_BadHandler - - - EXPORT __tx_SVCallHandler -__tx_SVCallHandler - B __tx_SVCallHandler - - - EXPORT __tx_IntHandler -__tx_IntHandler -; VOID InterruptHandler (VOID) -; { - PUSH {r0, lr} - -; /* Do interrupt handler work here */ -; /* .... */ - - POP {r0, lr} - BX LR -; } - - EXPORT __tx_SysTickHandler - EXPORT SysTick_Handler -__tx_SysTickHandler -SysTick_Handler -; VOID TimerInterruptHandler (VOID) -; { -; - PUSH {r0, lr} - BL _tx_timer_interrupt - POP {r0, lr} - BX LR -; } - - EXPORT __tx_NMIHandler -__tx_NMIHandler - B __tx_NMIHandler - - EXPORT __tx_DBGHandler -__tx_DBGHandler - B __tx_DBGHandler - ALIGN - LTORG - END