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Implement VirtualAllocation class

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This commit is contained in:
EnderIce2
2024-03-27 19:51:15 +02:00
parent d7cc1f5c47
commit 3dc1981820
5 changed files with 220 additions and 8 deletions
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11
tasking/thread.cpp
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@ -516,13 +516,18 @@ namespace Tasking
{
this->Stack = new Memory::StackGuard(true, this->vma);
gsTCB *gsT = (gsTCB *)this->vma->RequestPages(TO_PAGES(sizeof(gsTCB)), false, true);
Memory::VirtualAllocation::AllocatedPages gst = this->ctx->va.RequestPages(TO_PAGES(sizeof(gsTCB)));
this->ctx->va.MapTo(gst, this->Parent->PageTable);
gsTCB *gsT = (gsTCB *)gst.PhysicalAddress;
#ifdef DEBUG
gsT->__stub = 0xFFFFFFFFFFFFFFFF;
#endif
gsT->ScPages = TO_PAGES(STACK_SIZE);
gsT->SyscallStackBase = this->vma->RequestPages(gsT->ScPages, false, true);
Memory::VirtualAllocation::AllocatedPages ssb = this->ctx->va.RequestPages(gsT->ScPages);
this->ctx->va.MapTo(ssb, this->Parent->PageTable);
gsT->SyscallStackBase = ssb.VirtualAddress;
gsT->SyscallStack = (void *)((uintptr_t)gsT->SyscallStackBase + STACK_SIZE - 0x10);
debug("New syscall stack created: %#lx (base: %#lx) with gs base at %#lx",
gsT->SyscallStack, gsT->SyscallStackBase, gsT);
@ -530,7 +535,7 @@ namespace Tasking
gsT->TempStack = 0x0;
gsT->t = this;
#if defined(a64)
this->ShadowGSBase = (uintptr_t)gsT;
this->ShadowGSBase = (uintptr_t)gst.VirtualAddress;
this->GSBase = 0;
this->FSBase = 0;
this->Registers.cs = GDT_USER_CODE;