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create copys of appcode in thread constructor

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This commit is contained in:
Eggert Jung
2026-02-28 18:01:15 +01:00
parent 1acc652446
commit 4976ea91be
9 changed files with 265 additions and 180 deletions
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2
kernel/thread/idlethread.h
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@@ -19,7 +19,7 @@
*/
class IdleThread : public Thread {
public:
explicit IdleThread() : Thread(true, 0) {}
explicit IdleThread() : Thread(true, 0, 0, 0) {}
/*! \brief Wait for a thread to become ready and sleep in the meantime.
*

6
kernel/thread/thread.cc
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@@ -38,14 +38,14 @@ void Thread::map_app(void* code_paddr, uint16_t code_page_num, void* stack_vaddr
memset(paging_tree, 0, 4096);
create_basic_page_table(paging_tree, &identity_table);
// insert app code pages at 0x4000000
// app code pages at 0x4000000
for(uintptr_t i=0; i<(code_page_num*4096); i+=4096){
setMapping(0x4000000+i, (void*)((uintptr_t)code_paddr+i), paging_tree);
copy_page(paging_tree->l4, (uintptr_t)code_paddr+i, (void*)(0x4000000+i));
}
for(uintptr_t i=0; i<(stack_page_num*4096); i+=4096){
uintptr_t user_stackframe_p = ((uintptr_t)PageFrameAllocator::alloc(false));
setMapping((uintptr_t)(stack_vaddr)+i, (void*)((uintptr_t)user_stackframe_p), paging_tree);
setMapping((uintptr_t)(stack_vaddr)+i, (void*)((uintptr_t)user_stackframe_p), paging_tree->l4);
}
}