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Diffstat (limited to 'Z88DK/Z180/portmacro.h')
| -rw-r--r-- | Z88DK/Z180/portmacro.h | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/Z88DK/Z180/portmacro.h b/Z88DK/Z180/portmacro.h new file mode 100644 index 0000000..f8f2f02 --- /dev/null +++ b/Z88DK/Z180/portmacro.h @@ -0,0 +1,431 @@ +/* + * FreeRTOS Kernel V10.4.3 + * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * https://www.FreeRTOS.org + * https://github.com/FreeRTOS + * + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*----------------------------------------------------------- + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the + * given Z80 (Z180, Z80N) hardware and SCCZ80 or SDCC compiler. + * + * These settings should not be altered. + *----------------------------------------------------------- + */ + +/* Type definitions. */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT int + +typedef uint16_t StackType_t; +typedef int8_t BaseType_t; +typedef uint8_t UBaseType_t; + +#if configUSE_16_BIT_TICKS == 1 + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL +#endif +/*-----------------------------------------------------------*/ + +/* General purpose stringify macros. */ + +#define string(a) __string(a) +#define __string(a) #a +/*-----------------------------------------------------------*/ + +/* Critical section management using sccz80 compiler. */ + +#ifdef __SCCZ80 + +#define portENTER_CRITICAL() \ + do{ \ + asm( \ + "ld a,i \n" \ + "di \n" \ + "push af \n" \ + ); \ + }while(0) + +#define portEXIT_CRITICAL() \ + do{ \ + asm( \ + "pop af \n" \ + "; di ; unneeded \n" \ + "jp PO,ASMPC+4 \n" \ + "ei \n" \ + ); \ + }while(0) + +#define portDISABLE_INTERRUPTS() \ + do{ \ + asm( \ + "di \n" \ + ); \ + }while(0) + +#define portENABLE_INTERRUPTS() \ + do{ \ + asm( \ + "ei \n" \ + ); \ + }while(0) + +#define portNOP() \ + do{ \ + asm( \ + "nop \n" \ + ); \ + }while(0) + +/* + * Macros to save all the registers, and save the stack pointer into the TCB. + */ + +#define portSAVE_CONTEXT() \ + do{ \ + asm( \ + "push af \n" \ + "ld a,i \n" \ + "di \n" \ + "push af ; iff1:iff2\n" \ + "push bc \n" \ + "push de \n" \ + "push hl \n" \ + "exx \n" \ + "ex af,af \n" \ + "push af \n" \ + "push bc \n" \ + "push de \n" \ + "push hl \n" \ + "push ix \n" \ + "push iy \n" \ + "ld hl,0 \n" \ + "add hl,sp \n" \ + "ld de,(_pxCurrentTCB) \n"\ + "ex de,hl \n" \ + "ld (hl),e \n" \ + "inc hl \n" \ + "ld (hl),d \n" \ + ); \ + }while(0) + +#define portRESTORE_CONTEXT() \ + do{ \ + asm( \ + "ld hl,(_pxCurrentTCB) \n" \ + "ld e,(hl) \n" \ + "inc hl \n" \ + "ld d,(hl) \n" \ + "ex de,hl \n" \ + "ld sp,hl \n" \ + "pop iy \n" \ + "pop ix \n" \ + "pop hl \n" \ + "pop de \n" \ + "pop bc \n" \ + "pop af \n" \ + "ex af,af \n" \ + "exx \n" \ + "pop hl \n" \ + "pop de \n" \ + "pop bc \n" \ + "pop af ; iff1:iff2\n" \ + "; di ; unneeded \n" \ + "jp PO,ASMPC+4 \n" \ + "ei \n" \ + "pop af \n" \ + "ret \n" \ + ); \ + }while(0) + +#define portSAVE_CONTEXT_IN_ISR() \ + do{ \ + asm( \ + "PHASE "string(configISR_ORG)" \n" \ + "._timer_isr_start \n" \ + "push af \n" \ + "ld a,0x7F \n" \ + "inc a ; set PE \n" \ + "push af ; iff1:iff2\n" \ + "push bc \n" \ + "push de \n" \ + "push hl \n" \ + "exx \n" \ + "ex af,af \n" \ + "push af \n" \ + "push bc \n" \ + "push de \n" \ + "push hl \n" \ + "push ix \n" \ + "push iy \n" \ + "ld hl,0 \n" \ + "add hl,sp \n" \ + "ld de,(_pxCurrentTCB) \n" \ + "ex de,hl \n" \ + "ld (hl),e \n" \ + "inc hl \n" \ + "ld (hl),d \n" \ + ); \ + }while(0) + +#define portRESTORE_CONTEXT_IN_ISR()\ + do{ \ + asm( \ + "ld hl,(_pxCurrentTCB) \n" \ + "ld e,(hl) \n" \ + "inc hl \n" \ + "ld d,(hl) \n" \ + "ex de,hl \n" \ + "ld sp,hl \n" \ + "pop iy \n" \ + "pop ix \n" \ + "pop hl \n" \ + "pop de \n" \ + "pop bc \n" \ + "pop af \n" \ + "ex af,af \n" \ + "exx \n" \ + "pop hl \n" \ + "pop de \n" \ + "pop bc \n" \ + "pop af ; iff1:iff2\n" \ + "; di ; unneeded \n" \ + "jp PO,ASMPC+4 \n" \ + "ei \n" \ + "pop af \n" \ + "reti \n" \ + "._timer_isr_end \n" \ + "DEPHASE \n" \ + ); \ + }while(0) + +#endif +/*-----------------------------------------------------------*/ + +/* Critical section management using sdcc compiler. */ + +#ifdef __SDCC + +#define portENTER_CRITICAL() \ + do{ \ + __asm \ + ld a,i \ + di \ + push af \ + __endasm; \ + }while(0) + +#define portEXIT_CRITICAL() \ + do{ \ + __asm \ + pop af \ + ; di ; unneeded \ + jp PO,ASMPC+4 \ + ei \ + __endasm; \ + }while(0) + +#define portDISABLE_INTERRUPTS() \ + do{ \ + __asm \ + di \ + __endasm; \ + }while(0) + +#define portENABLE_INTERRUPTS() \ + do{ \ + __asm \ + ei \ + __endasm; \ + }while(0) + +#define portNOP() \ + do{ \ + __asm \ + nop \ + __endasm; \ + }while(0) + +/* + * Macros to save all the registers, and save the stack pointer into the TCB. + */ + +#define portSAVE_CONTEXT() \ + do{ \ + __asm \ + push af \ + ld a,i \ + di \ + push af ; iff1:iff2 \ + push bc \ + push de \ + push hl \ + exx \ + ex af,af \ + push af \ + push bc \ + push de \ + push hl \ + push ix \ + push iy \ + ld hl,0 \ + add hl,sp \ + ld de,(_pxCurrentTCB) \ + ex de,hl \ + ld (hl),e \ + inc hl \ + ld (hl),d \ + __endasm; \ + }while(0) + +#define portRESTORE_CONTEXT() \ + do{ \ + __asm \ + ld hl,(_pxCurrentTCB) \ + ld e,(hl) \ + inc hl \ + ld d,(hl) \ + ex de,hl \ + ld sp,hl \ + pop iy \ + pop ix \ + pop hl \ + pop de \ + pop bc \ + pop af \ + ex af,af \ + exx \ + pop hl \ + pop de \ + pop bc \ + pop af ; iff1:iff2 \ + ; di ; unneeded \ + jp PO,ASMPC+4 \ + ei \ + pop af \ + ret \ + __endasm; \ + }while(0) + +#define portSAVE_CONTEXT_IN_ISR() \ + do{ \ + __asm \ + PHASE configISR_ORG \ + _timer_isr_start: \ + push af \ + ld a,0x7F \ + inc a ; set PE \ + push af ; iff1:iff2 \ + push bc \ + push de \ + push hl \ + exx \ + ex af,af \ + push af \ + push bc \ + push de \ + push hl \ + push ix \ + push iy \ + ld hl,0 \ + add hl,sp \ + ld de,(_pxCurrentTCB) \ + ex de,hl \ + ld (hl),e \ + inc hl \ + ld (hl),d \ + __endasm; \ + }while(0) + +#define portRESTORE_CONTEXT_IN_ISR()\ + do{ \ + __asm \ + ld hl,(_pxCurrentTCB) \ + ld e,(hl) \ + inc hl \ + ld d,(hl) \ + ex de,hl \ + ld sp,hl \ + pop iy \ + pop ix \ + pop hl \ + pop de \ + pop bc \ + pop af \ + ex af,af \ + exx \ + pop hl \ + pop de \ + pop bc \ + pop af ; iff1:iff2 \ + ; di ; unneeded \ + jp PO,ASMPC+4 \ + ei \ + pop af \ + reti \ + _timer_isr_end: \ + DEPHASE \ + __endasm; \ + }while(0) + +#endif +/*-----------------------------------------------------------*/ + +/* Architecture specifics. */ + +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 1 +/*-----------------------------------------------------------*/ + +/* Kernel utilities. */ +extern void vPortYield( void ); +#define portYIELD() vPortYield() + +extern void vPortYieldFromISR( void ); +#define portYIELD_FROM_ISR() vPortYieldFromISR() +/*-----------------------------------------------------------*/ + +/* Task function macros as described on the FreeRTOS.org WEB site. */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ |