diff options
| author | Yuxin Zhou <[email protected]> | 2021-07-28 07:24:02 +0000 |
|---|---|---|
| committer | Yuxin Zhou <[email protected]> | 2021-07-28 07:24:02 +0000 |
| commit | d0dab582506f132690b35b36ffea129ad51110b0 (patch) | |
| tree | 13add80dd314dc38efc1830f3d1f36b5a2596e98 /ports_module/cortex_m23/gnu | |
| parent | 244365fc6a937c754cfc6bb8e6895dc6f37bac0e (diff) | |
Release 6.1.8v6.1.8_rel
Diffstat (limited to 'ports_module/cortex_m23/gnu')
17 files changed, 142 insertions, 141 deletions
diff --git a/ports_module/cortex_m23/gnu/inc/tx_secure_interface.h b/ports_module/cortex_m23/gnu/inc/tx_secure_interface.h index 976f32be..26a608a6 100644 --- a/ports_module/cortex_m23/gnu/inc/tx_secure_interface.h +++ b/ports_module/cortex_m23/gnu/inc/tx_secure_interface.h @@ -42,7 +42,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_restore.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_restore.S index 14d772fb..084635a3 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_restore.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_restore.S @@ -20,7 +20,9 @@ /**************************************************************************/ /**************************************************************************/ - +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) + .global _tx_execution_isr_exit +#endif /**************************************************************************/ /* */ /* FUNCTION RELEASE */ @@ -45,11 +47,11 @@ /* */ /* CALLS */ /* */ -/* None */ +/* [_tx_execution_isr_exit] Execution profiling ISR exit */ /* */ /* CALLED BY */ /* */ -/* None */ +/* ISRs Interrupt Service Routines */ /* */ /* RELEASE HISTORY */ /* */ @@ -68,7 +70,14 @@ .thumb_func .type _tx_thread_context_restore, function _tx_thread_context_restore: - /* Return to interrupt processing. */ + +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) + /* Call the ISR exit function to indicate an ISR is complete. */ + PUSH {r0, lr} // Save return address + BL _tx_execution_isr_exit // Call the ISR exit function + POP {r0, lr} // Recover return address +#endif + BX lr // } .end diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_save.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_save.S index 25050678..cf58aabd 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_save.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_context_save.S @@ -20,7 +20,9 @@ /**************************************************************************/ /**************************************************************************/ - +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) + .global _tx_execution_isr_enter +#endif /**************************************************************************/ /* */ /* FUNCTION RELEASE */ @@ -45,11 +47,11 @@ /* */ /* CALLS */ /* */ -/* None */ +/* [_tx_execution_isr_enter] Execution profiling ISR enter */ /* */ /* CALLED BY */ /* */ -/* None */ +/* ISRs */ /* */ /* RELEASE HISTORY */ /* */ @@ -68,7 +70,14 @@ .thumb_func .type _tx_thread_context_save, function _tx_thread_context_save: - /* Return to interrupt processing. */ + +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) + /* Call the ISR enter function to indicate an ISR is starting. */ + PUSH {r0, lr} // Save return address + BL _tx_execution_isr_enter // Call the ISR enter function + POP {r0, lr} // Recover return address +#endif + BX lr // } .end diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_control.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_control.S index 4f05f3ff..b80112b3 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_control.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_control.S @@ -68,11 +68,9 @@ .thumb_func .type _tx_thread_interrupt_control, function _tx_thread_interrupt_control: - - /* Pickup current interrupt lockout posture. */ - MRS r1, PRIMASK - MSR PRIMASK, r0 - MOV r0, r1 - BX lr + MRS r1, PRIMASK // Pickup current interrupt lockout + MSR PRIMASK, r0 // Apply the new interrupt lockout + MOV r0, r1 // Transfer old to return register + BX lr // Return to caller // } .end diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_disable.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_disable.S index 3a1fc9f6..2ee36199 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_disable.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_disable.S @@ -38,11 +38,11 @@ /* */ /* INPUT */ /* */ -/* old_posture Old interrupt lockout posture */ +/* None */ /* */ /* OUTPUT */ /* */ -/* None */ +/* old_posture Old interrupt lockout posture */ /* */ /* CALLS */ /* */ @@ -59,7 +59,7 @@ /* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ -// UINT _tx_thread_interrupt_disable(UINT new_posture) +// UINT _tx_thread_interrupt_disable(VOID) // { .section .text .balign 4 diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_restore.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_restore.S index 696c227b..3812e0d3 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_restore.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_interrupt_restore.S @@ -38,11 +38,11 @@ /* */ /* INPUT */ /* */ -/* None */ +/* previous_posture Previous interrupt posture */ /* */ /* OUTPUT */ /* */ -/* previous_posture Previous interrupt posture */ +/* None */ /* */ /* CALLS */ /* */ @@ -59,7 +59,7 @@ /* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ -// VOID _tx_thread_interrupt_restore(UINT new_posture) +// VOID _tx_thread_interrupt_restore(UINT previous_posture) // { .section .text .balign 4 diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_schedule.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_schedule.S index 98caf079..c60919ff 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_schedule.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_schedule.S @@ -71,29 +71,24 @@ .thumb_func .type _tx_thread_schedule, function _tx_thread_schedule: - /* This function should only ever be called on Cortex-M from the first schedule request. Subsequent scheduling occurs from the PendSV handling routine below. */ /* Clear the preempt-disable flag to enable rescheduling after initialization on Cortex-M targets. */ - MOVW r0, #0 // Build value for TX_FALSE LDR r2, =_tx_thread_preempt_disable // Build address of preempt disable flag STR r0, [r2, #0] // Clear preempt disable flag /* Enable memory fault registers. */ - LDR r0, =0xE000ED24 // Build SHCSR address LDR r1, =0x70000 // Enable Usage, Bus, and MemManage faults STR r1, [r0] // /* Enable interrupts */ - CPSIE i /* Enter the scheduler for the first time. */ - LDR r0, =0x10000000 // Load PENDSVSET bit LDR r1, =0xE000ED04 // Load ICSR address STR r0, [r1] // Set PENDSVBIT in ICSR @@ -221,19 +216,18 @@ BusFault_Handler: PendSV_Handler: __tx_ts_handler: -#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) /* Call the thread exit function to indicate the thread is no longer executing. */ CPSID i // Disable interrupts PUSH {r0, lr} // Save LR (and r0 just for alignment) BL _tx_execution_thread_exit // Call the thread exit function POP {r0, r1} // Recover LR - MOV lr, r1 + MOV lr, r1 // CPSIE i // Enable interrupts #endif - + LDR r0, =_tx_thread_current_ptr // Build current thread pointer address LDR r2, =_tx_thread_execute_ptr // Build execute thread pointer address - MOVW r3, #0 // Build NULL value LDR r1, [r0] // Pickup current thread pointer @@ -246,18 +240,18 @@ __tx_ts_handler: STR r3, [r0] // Set _tx_thread_current_ptr to NULL MRS r3, PSP // Pickup PSP pointer (thread's stack pointer) SUBS r3, r3, #16 // Allocate stack space - STM r3!, {r4-r7} // Save its remaining registers (M3 Instruction: STMDB r12!, {r4-r11}) - MOV r4, r8 // - MOV r5, r9 // - MOV r6, r10 // - MOV r7, r11 // + STM r3!, {r4-r7} // Save r4-r7 (M4 Instruction: STMDB r12!, {r4-r11}) + MOV r4, r8 // Copy r8-r11 to multisave registers + MOV r5, r9 + MOV r6, r10 + MOV r7, r11 SUBS r3, r3, #32 // Allocate stack space - STM r3!, {r4-r7} // + STM r3!, {r4-r7} // Save r8-r11 SUBS r3, r3, #20 // Allocate stack space - MOV r5, lr // - STR r5, [r3] // Save LR on the stack + MOV r5, lr // Copy lr to saveable register + STR r5, [r3] // Save lr on the stack STR r3, [r1, #8] // Save the thread stack pointer - + #if (!defined(TX_SINGLE_MODE_SECURE) && !defined(TX_SINGLE_MODE_NON_SECURE)) // Save secure context LDR r5, =0xC4 // Secure stack index offset @@ -339,7 +333,7 @@ __tx_ts_restore: STR r5, [r4] // Setup global time-slice -#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY +#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE)) /* Call the thread entry function to indicate the thread is executing. */ PUSH {r0, r1} // Save r0 and r1 BL _tx_execution_thread_enter // Call the thread execution enter function @@ -418,7 +412,6 @@ skip_mpu_setup: BX lr // Return to thread! - /* SVC Handler. */ .section .text .balign 4 @@ -432,10 +425,10 @@ SVC_Handler: MOVS r1, #0x04 TST r1, r0 // Determine return stack from EXC_RETURN bit 2 BEQ _tx_load_msp - MRS r0, PSP // Get PSP + MRS r0, PSP // Get PSP if return stack is PSP B _tx_get_svc _tx_load_msp: - MRS r0, MSP // Get MSP + MRS r0, MSP // Get MSP if return stack is MSP _tx_get_svc: LDR r1, [r0,#24] // Load saved PC from stack LDR r3, =-2 @@ -556,14 +549,14 @@ _tx_exit_continue: MRS r3, PSP // Pickup kernel stack pointer /* Copy kernel hardware stack to module thread stack. */ - LDM r3!,{r1-r2} // Get r0, r1 from kernel stack - STM r0!,{r1-r2} // Insert r0, r1 into thread stack - LDM r3!,{r1-r2} // Get r2, r3 from kernel stack - STM r0!,{r1-r2} // Insert r2, r3 into thread stack - LDM r3!,{r1-r2} // Get r12, lr from kernel stack - STM r0!,{r1-r2} // Insert r12, lr into thread stack - LDM r3!,{r1-r2} // Get pc, xpsr from kernel stack - STM r0!,{r1-r2} // Insert pc, xpsr into thread stack + LDM r3!, {r1-r2} // Get r0, r1 from kernel stack + STM r0!, {r1-r2} // Insert r0, r1 into thread stack + LDM r3!, {r1-r2} // Get r2, r3 from kernel stack + STM r0!, {r1-r2} // Insert r2, r3 into thread stack + LDM r3!, {r1-r2} // Get r12, lr from kernel stack + STM r0!, {r1-r2} // Insert r12, lr into thread stack + LDM r3!, {r1-r2} // Get pc, xpsr from kernel stack + STM r0!, {r1-r2} // Insert pc, xpsr into thread stack SUBS r0, r0, #32 // Subtract 32 to get back to top of stack MSR PSP, r0 // Set thread stack pointer @@ -607,7 +600,7 @@ _tx_free_continue: STR r0, [r1] // Store function return value MOV lr, r2 BX lr -#endif // End of ifndef TX_SINGLE_MODE_SECURE, TX_SINGLE_MODE_NON_SECURE +#endif // End of ifndef TX_SINGLE_MODE_SECURE, TX_SINGLE_MODE_NON_SECURE diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack.c b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack.c index 72bc05f8..8f22bb90 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack.c +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack.c @@ -61,8 +61,8 @@ typedef struct TX_THREAD_SECURE_STACK_INFO_STRUCT /* */ /* FUNCTION RELEASE */ /* */ -/* _tx_thread_secure_stack_initialize Cortex-M23/GNU */ -/* 6.1.3 */ +/* _tx_thread_secure_mode_stack_initialize Cortex-M23/GNU */ +/* 6.1.8 */ /* AUTHOR */ /* */ /* Scott Larson, Microsoft Corporation */ @@ -77,7 +77,7 @@ typedef struct TX_THREAD_SECURE_STACK_INFO_STRUCT /* */ /* OUTPUT */ /* */ -/* None */ +/* status */ /* */ /* CALLS */ /* */ @@ -94,27 +94,40 @@ typedef struct TX_THREAD_SECURE_STACK_INFO_STRUCT /* 09-30-2020 Scott Larson Initial Version 6.1 */ /* 10-16-2020 Scott Larson Modified comment(s), */ /* resulting in version 6.1.1 */ -/* 12-31-2020 Scott Larson Modified comment(s), and */ -/* fixed M23 GCC build, */ -/* resulting in version 6.1.3 */ +/* 08-02-2021 Scott Larson Modified comment(s), changed */ +/* name, execute in handler */ +/* mode, disable optimization, */ +/* resulting in version 6.1.8 */ /* */ /**************************************************************************/ -__attribute__((cmse_nonsecure_entry)) -void _tx_thread_secure_stack_initialize(void) +__attribute__((cmse_nonsecure_entry, optimize(0))) +UINT _tx_thread_secure_mode_stack_initialize(void) { - ULONG control; - - /* Set secure mode to use PSP. */ - asm volatile("MRS %0, CONTROL" : "=r" (control)); /* Get CONTROL register. */ - control |= 2; /* Use PSP. */ - asm volatile("MSR CONTROL, %0" :: "r" (control)); /* Set CONTROL register. */ - - /* Set process stack pointer and stack limit to 0 to throw exception when a thread - without a secure stack calls a secure function that tries to use secure stack. */ - asm volatile("MSR PSPLIM, %0" :: "r" (0)); - asm volatile("MSR PSP, %0" :: "r" (0)); - - return; +UINT status; +ULONG control; +ULONG ipsr; + + /* Make sure function is called from interrupt (threads should not call). */ + asm volatile("MRS %0, IPSR" : "=r" (ipsr)); /* Get IPSR register. */ + if (ipsr == 0) + { + status = TX_CALLER_ERROR; + } + else + { + /* Set secure mode to use PSP. */ + asm volatile("MRS %0, CONTROL" : "=r" (control)); /* Get CONTROL register. */ + control |= 2; /* Use PSP. */ + asm volatile("MSR CONTROL, %0" :: "r" (control)); /* Set CONTROL register. */ + + /* Set process stack pointer and stack limit to 0 to throw exception when a thread + without a secure stack calls a secure function that tries to use secure stack. */ + asm volatile("MSR PSPLIM, %0" :: "r" (0)); + asm volatile("MSR PSP, %0" :: "r" (0)); + + status = TX_SUCCESS; + } + return status; } diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_allocate.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_allocate.S index 1dfbc482..90427e36 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_allocate.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_allocate.S @@ -57,7 +57,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ // UINT _tx_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size) @@ -80,7 +80,6 @@ _tx_alloc_return: BEQ _alloc_return_interrupt_enabled CPSID i // Otherwise, disable interrupts #else - // Executing in single mode - this function is not needed. MOVS r0, #0xFF // Feature not enabled #endif _alloc_return_interrupt_enabled: diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_free.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_free.S index cfe400fa..da5026d5 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_free.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_secure_stack_free.S @@ -55,7 +55,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ // UINT _tx_thread_secure_stack_free(TX_THREAD *thread_ptr) @@ -78,7 +78,6 @@ _tx_free_return: BEQ _free_return_interrupt_enabled CPSID i // Otherwise, disable interrupts #else - // Executing in single mode - this function is not needed. MOVS r0, #0xFF // Feature not enabled #endif _free_return_interrupt_enabled: diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_build.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_build.S index 704c5dfd..bd9fe738 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_build.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_build.S @@ -58,7 +58,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ // VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID)) diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_handler.c b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_handler.c index ef98240c..8e3cff23 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_handler.c +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_handler.c @@ -70,7 +70,7 @@ VOID (*_tx_thread_application_stack_error_handler)(TX_THREAD *thread_ptr); /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ VOID _tx_thread_stack_error_handler(TX_THREAD *thread_ptr) diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_notify.c b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_notify.c index ffd78d08..75ad1f32 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_notify.c +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_stack_error_notify.c @@ -68,7 +68,7 @@ extern VOID (*_tx_thread_application_stack_error_handler)(TX_THREAD *thread_ptr) /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ UINT _tx_thread_stack_error_notify(VOID (*stack_error_handler)(TX_THREAD *thread_ptr)) diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_system_return.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_system_return.S index 7aa911b0..cf3536d5 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_system_return.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_thread_system_return.S @@ -71,7 +71,7 @@ .thumb_func .type _tx_thread_system_return, function _tx_thread_system_return: - /* Return to real scheduler via PendSV. Note that this routine is often + /* Return to real scheduler via PendSV. Note that this routine is often replaced with in-line assembly in tx_port.h to improved performance. */ LDR r0, =0x10000000 // Load PENDSVSET bit diff --git a/ports_module/cortex_m23/gnu/module_manager/src/tx_timer_interrupt.S b/ports_module/cortex_m23/gnu/module_manager/src/tx_timer_interrupt.S index 0e2ea836..7b42d195 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/tx_timer_interrupt.S +++ b/ports_module/cortex_m23/gnu/module_manager/src/tx_timer_interrupt.S @@ -36,8 +36,7 @@ /* This function processes the hardware timer interrupt. This */ /* processing includes incrementing the system clock and checking for */ /* time slice and/or timer expiration. If either is found, the */ -/* interrupt context save/restore functions are called along with the */ -/* expiration functions. */ +/* expiration functions are called. */ /* */ /* INPUT */ /* */ @@ -63,8 +62,8 @@ /* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ -/* VOID _tx_timer_interrupt(VOID) -{ */ +// VOID _tx_timer_interrupt(VOID) +// { .section .text .balign 4 .syntax unified @@ -80,8 +79,7 @@ _tx_timer_interrupt: /* Increment the system clock. */ // _tx_timer_system_clock++; - MOVW r1, #:lower16:_tx_timer_system_clock // Pickup address of system clock - MOVT r1, #:upper16:_tx_timer_system_clock + LDR r1, =_tx_timer_system_clock // Pickup address of system clock LDR r0, [r1, #0] // Pickup system clock ADDS r0, r0, #1 // Increment system clock STR r0, [r1, #0] // Store new system clock @@ -90,28 +88,27 @@ _tx_timer_interrupt: // if (_tx_timer_time_slice) // { - MOVW r3, #:lower16:_tx_timer_time_slice // Pickup address of time-slice - MOVT r3, #:upper16:_tx_timer_time_slice + LDR r3, =_tx_timer_time_slice // Pickup address of time-slice LDR r2, [r3, #0] // Pickup time-slice - CBZ r2, __tx_timer_no_time_slice // Is it non-active? + CBZ r2, __tx_timer_no_time_slice // Is it non-active? // Yes, skip time-slice processing - /* Decrement the time_slice. */ - // _tx_timer_time_slice--; + /* Decrement the time_slice. */ + // _tx_timer_time_slice--; SUBS r2, r2, #1 // Decrement the time-slice STR r2, [r3, #0] // Store new time-slice value - /* Check for expiration. */ - // if (__tx_timer_time_slice == 0) + /* Check for expiration. */ + // if (__tx_timer_time_slice == 0) CBNZ r2, __tx_timer_no_time_slice // Has it expired? + // No, skip expiration processing - /* Set the time-slice expired flag. */ - // _tx_timer_expired_time_slice = TX_TRUE; + /* Set the time-slice expired flag. */ + // _tx_timer_expired_time_slice = TX_TRUE; - MOVW r3, #:lower16:_tx_timer_expired_time_slice // Pickup address of expired flag - MOVT r3, #:upper16:_tx_timer_expired_time_slice + LDR r3, =_tx_timer_expired_time_slice // Pickup address of expired flag MOVW r0, #1 // Build expired value STR r0, [r3, #0] // Set time-slice expiration flag @@ -123,18 +120,16 @@ __tx_timer_no_time_slice: // if (*_tx_timer_current_ptr) // { - MOVW r1, #:lower16:_tx_timer_current_ptr // Pickup current timer pointer address - MOVT r1, #:upper16:_tx_timer_current_ptr + LDR r1, =_tx_timer_current_ptr // Pickup current timer pointer address LDR r0, [r1, #0] // Pickup current timer LDR r2, [r0, #0] // Pickup timer list entry CBZ r2, __tx_timer_no_timer // Is there anything in the list? // No, just increment the timer - /* Set expiration flag. */ - // _tx_timer_expired = TX_TRUE; + /* Set expiration flag. */ + // _tx_timer_expired = TX_TRUE; - MOVW r3, #:lower16:_tx_timer_expired // Pickup expiration flag address - MOVT r3, #:upper16:_tx_timer_expired + LDR r3, =_tx_timer_expired // Pickup expiration flag address MOVW r2, #1 // Build expired value STR r2, [r3, #0] // Set expired flag B __tx_timer_done // Finished timer processing @@ -144,25 +139,23 @@ __tx_timer_no_time_slice: // { __tx_timer_no_timer: - /* No timer expired, increment the timer pointer. */ - // _tx_timer_current_ptr++; + /* No timer expired, increment the timer pointer. */ + // _tx_timer_current_ptr++; ADDS r0, r0, #4 // Move to next timer - /* Check for wrap-around. */ - // if (_tx_timer_current_ptr == _tx_timer_list_end) + /* Check for wrap-around. */ + // if (_tx_timer_current_ptr == _tx_timer_list_end) - MOVW r3, #:lower16:_tx_timer_list_end // Pickup addr of timer list end - MOVT r3, #:upper16:_tx_timer_list_end + LDR r3, =_tx_timer_list_end // Pickup addr of timer list end LDR r2, [r3, #0] // Pickup list end CMP r0, r2 // Are we at list end? BNE __tx_timer_skip_wrap // No, skip wrap-around logic - /* Wrap to beginning of list. */ - // _tx_timer_current_ptr = _tx_timer_list_start; + /* Wrap to beginning of list. */ + // _tx_timer_current_ptr = _tx_timer_list_start; - MOVW r3, #:lower16:_tx_timer_list_start // Pickup addr of timer list start - MOVT r3, #:upper16:_tx_timer_list_start + LDR r3, =_tx_timer_list_start // Pickup addr of timer list start LDR r0, [r3, #0] // Set current pointer to list start __tx_timer_skip_wrap: @@ -172,18 +165,15 @@ __tx_timer_skip_wrap: __tx_timer_done: - /* See if anything has expired. */ // if ((_tx_timer_expired_time_slice) || (_tx_timer_expired)) // { - MOVW r3, #:lower16:_tx_timer_expired_time_slice // Pickup addr of expired flag - MOVT r3, #:upper16:_tx_timer_expired_time_slice + LDR r3, =_tx_timer_expired_time_slice // Pickup addr of expired flag LDR r2, [r3, #0] // Pickup time-slice expired flag CBNZ r2, __tx_something_expired // Did a time-slice expire? // If non-zero, time-slice expired - MOVW r1, #:lower16:_tx_timer_expired // Pickup addr of other expired flag - MOVT r1, #:upper16:_tx_timer_expired + LDR r1, =_tx_timer_expired // Pickup addr of other expired flag LDR r0, [r1, #0] // Pickup timer expired flag CBZ r0, __tx_timer_nothing_expired // Did a timer expire? // No, nothing expired @@ -197,14 +187,13 @@ __tx_something_expired: // if (_tx_timer_expired) // { - MOVW r1, #:lower16:_tx_timer_expired // Pickup addr of expired flag - MOVT r1, #:upper16:_tx_timer_expired + LDR r1, =_tx_timer_expired // Pickup addr of expired flag LDR r0, [r1, #0] // Pickup timer expired flag CBZ r0, __tx_timer_dont_activate // Check for timer expiration // If not set, skip timer activation - /* Process timer expiration. */ - // _tx_timer_expiration_process(); + /* Process timer expiration. */ + // _tx_timer_expiration_process(); BL _tx_timer_expiration_process // Call the timer expiration handling routine @@ -215,28 +204,21 @@ __tx_timer_dont_activate: // if (_tx_timer_expired_time_slice) // { - MOVW r3, #:lower16:_tx_timer_expired_time_slice // Pickup addr of time-slice expired - MOVT r3, #:upper16:_tx_timer_expired_time_slice + LDR r3, =_tx_timer_expired_time_slice // Pickup addr of time-slice expired LDR r2, [r3, #0] // Pickup the actual flag CBZ r2, __tx_timer_not_ts_expiration // See if the flag is set // No, skip time-slice processing - /* Time slice interrupted thread. */ - // _tx_thread_time_slice(); + /* Time slice interrupted thread. */ + // _tx_thread_time_slice(); BL _tx_thread_time_slice // Call time-slice processing - MOVW r0, #:lower16:_tx_thread_preempt_disable // Build address of preempt disable flag - MOVT r0, #:upper16:_tx_thread_preempt_disable - + LDR r0, =_tx_thread_preempt_disable // Build address of preempt disable flag LDR r1, [r0] // Is the preempt disable flag set? CBNZ r1, __tx_timer_skip_time_slice // Yes, skip the PendSV logic - MOVW r0, #:lower16:_tx_thread_current_ptr // Build current thread pointer address - MOVT r0, #:upper16:_tx_thread_current_ptr - + LDR r0, =_tx_thread_current_ptr // Build current thread pointer address LDR r1, [r0] // Pickup the current thread pointer - MOVW r2, #:lower16:_tx_thread_execute_ptr // Build execute thread pointer address - MOVT r2, #:upper16:_tx_thread_execute_ptr - + LDR r2, =_tx_thread_execute_ptr // Build execute thread pointer address LDR r3, [r2] // Pickup the execute thread pointer LDR r0, =0xE000ED04 // Build address of control register LDR r2, =0x10000000 // Build value for PendSV bit @@ -248,8 +230,8 @@ __tx_timer_skip_time_slice: __tx_timer_not_ts_expiration: - POP {r0, r1} // Recover lr register (r0 is just there for - MOV lr, r1 // the 8-byte stack alignment + POP {r0, r1} // Recover lr register (r0 is just there for + MOV lr, r1 // the 8-byte stack alignment // } @@ -257,6 +239,5 @@ __tx_timer_nothing_expired: DSB // Complete all memory access BX lr // Return to caller - // } .end diff --git a/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_allocate.c b/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_allocate.c index 35482b6c..9e985efa 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_allocate.c +++ b/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_allocate.c @@ -68,7 +68,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ UINT _txe_thread_secure_stack_allocate(TX_THREAD *thread_ptr, ULONG stack_size) diff --git a/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_free.c b/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_free.c index 950e8ec0..c3ef9577 100644 --- a/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_free.c +++ b/ports_module/cortex_m23/gnu/module_manager/src/txe_thread_secure_stack_free.c @@ -66,7 +66,7 @@ /* */ /* DATE NAME DESCRIPTION */ /* */ -/* 09-30-2020 Scott Larson Initial Version 6.1 */ +/* 09-30-2020 Scott Larson Initial Version 6.1 */ /* */ /**************************************************************************/ UINT _txe_thread_secure_stack_free(TX_THREAD *thread_ptr) |