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kernel/idt: Fix ExceptionHandlerStub setting fs & gs to 0

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
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EnderIce2 2024-12-25 04:49:01 +02:00
parent b471645743
commit 95a8d6fb6f
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1 changed files with 18 additions and 10 deletions
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28
Kernel/arch/amd64/cpu/idt.cpp
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@ -139,10 +139,14 @@ namespace InterruptDescriptorTable
"pushq %r14\n"
"pushq %r15\n"
"movq %ds, %rax\n pushq %rax\n"
"movq %es, %rax\n pushq %rax\n"
"movq %fs, %rax\n pushq %rax\n"
"movq %gs, %rax\n pushq %rax\n"
// "movq %ds, %rax\n pushq %rax\n"
// "movq %es, %rax\n pushq %rax\n"
// "movq %fs, %rax\n pushq %rax\n"
// "movq %gs, %rax\n pushq %rax\n"
"pushq %rax\n"
"pushq %rax\n"
"pushq %rax\n"
"pushq %rax\n"
"movq %dr7, %rax\n pushq %rax\n"
"movq %dr6, %rax\n pushq %rax\n"
@ -173,10 +177,14 @@ namespace InterruptDescriptorTable
"popq %rax\n movq %rax, %dr6\n"
"popq %rax\n movq %rax, %dr7\n"
"popq %rax\n movq %rax, %gs\n"
"popq %rax\n movq %rax, %fs\n"
"popq %rax\n movq %rax, %es\n"
"popq %rax\n movq %rax, %ds\n"
"popq %rax\n"
"popq %rax\n"
"popq %rax\n"
"popq %rax\n"
// "popq %rax\n movq %rax, %gs\n"
// "popq %rax\n movq %rax, %fs\n"
// "popq %rax\n movq %rax, %es\n"
// "popq %rax\n movq %rax, %ds\n"
"popq %r15\n"
"popq %r14\n"
@ -273,13 +281,13 @@ namespace InterruptDescriptorTable
/* TODO: Add advanced check so we won't update the cr3 when not needed */
"movq %cr3, %rax\n pushq %rax\n" /* Push opt */
"pushq %rax\n" /* Push ppt */
"pushq %rax\n" /* Push ppt */
"movq %rsp, %rdi\n"
"call SchedulerInterruptHandler\n"
"popq %rax\n movq %rax, %cr3\n" /* Restore to ppt */
"popq %rax\n" /* Pop opt */
"popq %rax\n" /* Pop opt */
"popq %r15\n"
"popq %r14\n"