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Migrated RL78/IAR port to EWRL78v3+ (#461)
Co-authored-by: Cobus van Eeden <35851496+cobusve@users.noreply.github.com>
This commit is contained in:
Felipe Torrezan
GitHub
parent
840214dc29
commit
4539e1c574
5 changed files with 299 additions and 371 deletions
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@ -29,6 +29,8 @@
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __IAR_SYSTEMS_ICC__
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -44,11 +46,11 @@ extern "C" {
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*/
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#if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__
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#warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.
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#warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.
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#endif
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#if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__
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#warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.
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#warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.
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#endif
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/* Type definitions. */
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@ -67,70 +69,70 @@ typedef unsigned short UBaseType_t;
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#if __DATA_MODEL__ == __DATA_MODEL_FAR__
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#define portPOINTER_SIZE_TYPE uint32_t
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#define portPOINTER_SIZE_TYPE uint32_t
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#else
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#define portPOINTER_SIZE_TYPE uint16_t
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#define portPOINTER_SIZE_TYPE uint16_t
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#endif
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#if ( configUSE_16_BIT_TICKS == 1 )
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typedef unsigned int TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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typedef unsigned int TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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#else
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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#endif
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/*-----------------------------------------------------------*/
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/* Interrupt control macros. */
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#define portDISABLE_INTERRUPTS() __asm ( "DI" )
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#define portENABLE_INTERRUPTS() __asm ( "EI" )
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#define portDISABLE_INTERRUPTS() __asm ( "DI" )
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#define portENABLE_INTERRUPTS() __asm ( "EI" )
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/*-----------------------------------------------------------*/
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/* Critical section control macros. */
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#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
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#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
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#define portENTER_CRITICAL() \
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{ \
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extern volatile uint16_t usCriticalNesting; \
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\
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portDISABLE_INTERRUPTS(); \
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\
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/* Now interrupts are disabled ulCriticalNesting can be accessed */ \
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/* directly. Increment ulCriticalNesting to keep a count of how many */ \
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/* times portENTER_CRITICAL() has been called. */ \
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usCriticalNesting++; \
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#define portENTER_CRITICAL() \
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{ \
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extern volatile uint16_t usCriticalNesting; \
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\
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portDISABLE_INTERRUPTS(); \
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\
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/* Now interrupts are disabled ulCriticalNesting can be accessed */ \
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/* directly. Increment ulCriticalNesting to keep a count of how many */ \
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/* times portENTER_CRITICAL() has been called. */ \
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usCriticalNesting++; \
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}
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#define portEXIT_CRITICAL() \
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{ \
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extern volatile uint16_t usCriticalNesting; \
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\
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if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
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{ \
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/* Decrement the nesting count as we are leaving a critical section. */ \
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usCriticalNesting--; \
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\
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/* If the nesting level has reached zero then interrupts should be */ \
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/* re-enabled. */ \
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if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
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{ \
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portENABLE_INTERRUPTS(); \
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} \
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} \
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#define portEXIT_CRITICAL() \
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{ \
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extern volatile uint16_t usCriticalNesting; \
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\
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if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
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{ \
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/* Decrement the nesting count when leaving a critical section. */ \
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usCriticalNesting--; \
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\
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/* If the nesting level has reached zero then interrupts should be */ \
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/* re-enabled. */ \
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if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
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{ \
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portENABLE_INTERRUPTS(); \
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} \
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} \
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}
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/*-----------------------------------------------------------*/
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/* Task utilities. */
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#define portYIELD() __asm( "BRK" )
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#define portNOP() __asm( "NOP" )
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#define portYIELD() __asm( "BRK" )
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#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) do { if( xHigherPriorityTaskWoken ) vTaskSwitchContext(); } while( 0 )
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#define portNOP() __asm( "NOP" )
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/*-----------------------------------------------------------*/
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/* Hardwware specifics. */
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#define portBYTE_ALIGNMENT 2
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 2
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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@ -139,7 +141,88 @@ extern volatile uint16_t usCriticalNesting; \
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __IAR_SYSTEMS_ICC__ */
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;//-----------------------------------------------------------------------------
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;// The macros below are processed for asm sources which include portmacro.h.
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;//-----------------------------------------------------------------------------
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#ifdef __IAR_SYSTEMS_ASM__
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;/* Functions and variables used by this file. */
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;//-----------------------------------------------------------------------------
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EXTERN _pxCurrentTCB
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EXTERN _usCriticalNesting
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;/* Macro used to declutter calls, depends on the selected code model. */
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;//-----------------------------------------------------------------------------
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#if __CODE_MODEL__ == __CODE_MODEL_FAR__
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#define RCALL(X) CALL F:X
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#else
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#define RCALL(X) CALL X
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#endif
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#endif /* PORTMACRO_H */
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;/*-----------------------------------------------------------------------------
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; * portSAVE_CONTEXT MACRO
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; * Saves the context of the general purpose registers, CS and ES (only in __far
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; * memory mode) registers the _usCriticalNesting value and the Stack Pointer
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; * of the active Task onto the task stack.
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; *---------------------------------------------------------------------------*/
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portSAVE_CONTEXT MACRO
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PUSH AX ; // Save AX Register to stack.
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PUSH HL
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#if __CODE_MODEL__ == __CODE_MODEL_FAR__
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MOV A, CS ; // Save CS register.
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XCH A, X
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MOV A, ES ; // Save ES register.
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PUSH AX
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#else
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MOV A, CS ; // Save CS register.
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PUSH AX
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#endif
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PUSH DE ; // Save the remaining general purpose registers.
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PUSH BC
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MOVW AX, _usCriticalNesting ; // Save the _usCriticalNesting value.
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PUSH AX
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MOVW AX, _pxCurrentTCB ; // Save the Task stack pointer.
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MOVW HL, AX
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MOVW AX, SP
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MOVW [HL], AX
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ENDM
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;//-----------------------------------------------------------------------------
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;/*-----------------------------------------------------------------------------
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; * portRESTORE_CONTEXT MACRO
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; * Restores the task Stack Pointer then use this to restore _usCriticalNesting,
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; * general purpose registers and the CS and ES (only in __far memory mode)
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; * of the selected task from the task stack.
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; *---------------------------------------------------------------------------*/
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portRESTORE_CONTEXT MACRO
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MOVW AX, _pxCurrentTCB ; // Restore the Task stack pointer.
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MOVW HL, AX
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MOVW AX, [HL]
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MOVW SP, AX
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POP AX ; // Restore _usCriticalNesting value.
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MOVW _usCriticalNesting, AX
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POP BC ; // Restore the necessary general purpose registers.
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POP DE
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#if __CODE_MODEL__ == __CODE_MODEL_FAR__
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POP AX ; // Restore the ES register.
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MOV ES, A
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XCH A, X ; // Restore the CS register.
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MOV CS, A
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#else
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POP AX
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MOV CS, A ; // Restore CS register.
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#endif
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POP HL ; // Restore general purpose register HL.
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POP AX ; // Restore AX.
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ENDM
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;//-----------------------------------------------------------------------------
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#endif /* __IAR_SYSTEMS_ASM__ */
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#endif /* PORTMACRO_H */
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