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remove typo, fine tuning of the stack alignment
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2699e22032
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387c3beb3f
1 changed files with 3 additions and 2 deletions
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@ -68,7 +68,7 @@ size_t* get_current_stack(void)
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if (curr_task->status == TASK_IDLE)
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stptr += KERNEL_STACK_SIZE - 0x10;
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else
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stptr = (stptr + DEFAULT_STACK_SIZE - 1) & ~0x1F;
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stptr = (stptr + DEFAULT_STACK_SIZE - sizeof(size_t)) & ~0x1F;
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set_per_core(kernel_stack, stptr);
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tss_set_rsp0(stptr);
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@ -96,7 +96,8 @@ int create_default_frame(task_t* task, entry_point_t ep, void* arg, uint32_t cor
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* and not for HW-task-switching is setting up a stack and not a TSS.
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* This is the stack which will be activated and popped off for iret later.
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*/
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stack = (size_t*) (((size_t) task->stack + DEFAULT_STACK_SIZE - 1) & ~0x1F); // => stack is 16byte aligned
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stack = (size_t*) (((size_t) task->stack + DEFAULT_STACK_SIZE - sizeof(size_t)) & ~0x1F); // => stack is 32byte aligned
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stack += sizeof(size_t);
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/* Only marker for debugging purposes, ... */
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*stack-- = 0xDEADBEEF;
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