diff options
Diffstat (limited to 'kernel/task/mcu/atmega2560/include')
| -rw-r--r-- | kernel/task/mcu/atmega2560/include/mcu/task/context.h | 117 | ||||
| -rw-r--r-- | kernel/task/mcu/atmega2560/include/mcu/task/task.h | 11 |
2 files changed, 0 insertions, 128 deletions
diff --git a/kernel/task/mcu/atmega2560/include/mcu/task/context.h b/kernel/task/mcu/atmega2560/include/mcu/task/context.h deleted file mode 100644 index 0de1fb4..0000000 --- a/kernel/task/mcu/atmega2560/include/mcu/task/context.h +++ /dev/null @@ -1,117 +0,0 @@ -#ifndef MCU_CONTEXT_H -#define MCU_CONTEXT_H - -#include <avr/interrupt.h> -#define ret() asm volatile ( "ret" ) - -/* - * The macros save_context(), restore_context() as well as the code contained in - * init_stack is adapted from the FreeRTOS kernel (http://www.freertos.org/). - * Here by copyright, credits attributed to wherever they belong. - */ - -/** - * Save context to memory location specified by first two chars of - * a symbol named 'current' (this is why 'sp' has to be the first element of - * of task control blocks). After executing this macro, the stack pointer will - * be set to the address contained in 'kstack'. - */ -#define context_save() \ - asm volatile ( \ - "push r0 \n\t" \ - "in r0, __SREG__ \n\t" \ - "cli \n\t" \ - "push r0 \n\t" \ - "push r1 \n\t" \ - "clr r1 \n\t" \ - "push r2 \n\t" \ - "push r3 \n\t" \ - "push r4 \n\t" \ - "push r5 \n\t" \ - "push r6 \n\t" \ - "push r7 \n\t" \ - "push r8 \n\t" \ - "push r9 \n\t" \ - "push r10 \n\t" \ - "push r11 \n\t" \ - "push r12 \n\t" \ - "push r13 \n\t" \ - "push r14 \n\t" \ - "push r15 \n\t" \ - "push r16 \n\t" \ - "push r17 \n\t" \ - "push r18 \n\t" \ - "push r19 \n\t" \ - "push r20 \n\t" \ - "push r21 \n\t" \ - "push r22 \n\t" \ - "push r23 \n\t" \ - "push r24 \n\t" \ - "push r25 \n\t" \ - "push r26 \n\t" \ - "push r27 \n\t" \ - "push r28 \n\t" \ - "push r29 \n\t" \ - "push r30 \n\t" \ - "push r31 \n\t" \ - "lds r26, current \n\t" \ - "lds r27, current +1 \n\t" \ - "in r0, __SP_L__ \n\t" \ - "st x+, r0 \n\t" \ - "in r0, __SP_H__ \n\t" \ - "st x+, r0 \n\t" \ - ) - - -/** - * Restore context to memory location specified by first two chars of - * a symbol named 'current'. - */ -#define context_restore() \ - asm volatile ( \ - "lds r26, current \n\t" \ - "lds r27, current + 1 \n\t" \ - "ld r28, x+ \n\t" \ - "out __SP_L__, r28 \n\t" \ - "ld r29, x+ \n\t" \ - "out __SP_H__, r29 \n\t" \ - "pop r31 \n\t" \ - "pop r30 \n\t" \ - "pop r29 \n\t" \ - "pop r28 \n\t" \ - "pop r27 \n\t" \ - "pop r26 \n\t" \ - "pop r25 \n\t" \ - "pop r24 \n\t" \ - "pop r23 \n\t" \ - "pop r22 \n\t" \ - "pop r21 \n\t" \ - "pop r20 \n\t" \ - "pop r19 \n\t" \ - "pop r18 \n\t" \ - "pop r17 \n\t" \ - "pop r16 \n\t" \ - "pop r15 \n\t" \ - "pop r14 \n\t" \ - "pop r13 \n\t" \ - "pop r12 \n\t" \ - "pop r11 \n\t" \ - "pop r10 \n\t" \ - "pop r9 \n\t" \ - "pop r8 \n\t" \ - "pop r7 \n\t" \ - "pop r6 \n\t" \ - "pop r5 \n\t" \ - "pop r4 \n\t" \ - "pop r3 \n\t" \ - "pop r2 \n\t" \ - "pop r1 \n\t" \ - "pop r0 \n\t" \ - "out __SREG__, r0 \n\t" \ - "pop r0 \n\t" \ - ) - -/** Initialize the given memory addresses to contain a valid, initial stackframe. */ -char* stack_init(const char* const mem_low, const char* const mem_high, void (*entry)(char), char args); - -#endif diff --git a/kernel/task/mcu/atmega2560/include/mcu/task/task.h b/kernel/task/mcu/atmega2560/include/mcu/task/task.h deleted file mode 100644 index d9823af..0000000 --- a/kernel/task/mcu/atmega2560/include/mcu/task/task.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef MCU_TASK_H -#define MACU_TASK_H - - -/** Default stack size, you may use this definition for declaring tasks. */ -#define DEFAULT_STACK_SIZE 256 - -/** Stack size to be allocated for the idle task. */ -#define IDLE_STACK_SIZE 64 - -#endif
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