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Changed SMP code and CPU sets a new stack

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This commit is contained in:
Alex 2022-10-20 05:04:45 +03:00
parent fa92676d9f
commit 747c08708b
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 17 additions and 1 deletions
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18
Core/Interrupts/IntManager.cpp
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@ -2,6 +2,7 @@
#include <syscalls.hpp>
#include <hashmap.hpp>
#include <smp.hpp>
#include <io.h>
#if defined(__amd64__)
@ -41,6 +42,21 @@ namespace Interrupts
#if defined(__amd64__)
GlobalDescriptorTable::Init(Core);
InterruptDescriptorTable::Init(Core);
CPUData *CoreData = GetCPU(Core);
CoreData->Checksum = CPU_DATA_CHECKSUM;
CPU::x64::wrmsr(CPU::x64::MSR_GS_BASE, (uint64_t)CoreData);
CPU::x64::wrmsr(CPU::x64::MSR_SHADOW_GS_BASE, (uint64_t)CoreData);
CoreData->ID = Core;
CoreData->IsActive = true;
CoreData->SystemCallStack = (uint8_t *)((uint64_t)KernelAllocator.RequestPages(TO_PAGES(STACK_SIZE)) + STACK_SIZE);
CoreData->Stack = (uint64_t)KernelAllocator.RequestPages(TO_PAGES(STACK_SIZE)) + STACK_SIZE;
if (CoreData->Checksum != CPU_DATA_CHECKSUM)
{
KPrint("CPU %d data it's corrupted!", Core);
CPU::Stop();
}
debug("Stack for core %d is %#lx (Address: %#lx)", Core, CoreData->Stack, CoreData->Stack - STACK_SIZE);
asmv("movq %0, %%rsp" ::"r"(CoreData->Stack));
InitializeSystemCalls();
#elif defined(__i386__)
warn("i386 is not supported yet");
@ -91,7 +107,7 @@ namespace Interrupts
{
#if defined(__amd64__)
CPU::x64::TrapFrame *Frame = (CPU::x64::TrapFrame *)Data;
int Core = CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE);
int Core = GetCurrentCPU()->ID;
Handler *handler = (Handler *)RegisteredEvents->Get(Frame->InterruptNumber);
if (handler != (Handler *)0xdeadbeef)