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TODO

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Alex 2022-11-15 01:50:11 +02:00
parent 3542dfca8b
commit 5dd496a73f
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 1 additions and 0 deletions
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Architecture/amd64/SystemCalls.cpp
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@ -79,6 +79,7 @@ extern "C" __attribute__((naked, used, no_stack_protector)) void SystemCallHandl
void InitializeSystemCalls()
{
wrmsr(MSR_EFER, rdmsr(MSR_EFER) | 1);
// TODO: THIS IS NOT WORKING! USER CODE AND USER DATA SHOULD BE CS:0x23 AND SS:0x1B
wrmsr(MSR_STAR, ((uint64_t)(GDT_KERNEL_CODE) << 32) | ((uint64_t)(GDT_KERNEL_DATA | 3) << 48));
wrmsr(MSR_LSTAR, (uint64_t)SystemCallHandlerStub);
wrmsr(MSR_SYSCALL_MASK, (uint64_t)(1 << 9));