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authorGunnar Beutner <gbeutner@serenityos.org>2021-07-03 00:25:44 +0200
committerAndreas Kling <kling@serenityos.org>2021-07-04 01:07:28 +0200
commitc51b49a8cb8901eb36860718495cccf2d5f05eea (patch)
treea69b64f3d852f57901ac5962b2bb45c46e89dc32 /Kernel/Arch
parent04a912f68fa6e0fa529e480e74d12e287a62c850 (diff)
downloadserenity-c51b49a8cb8901eb36860718495cccf2d5f05eea.zip
Kernel: Implement TLS support for x86_64
Diffstat (limited to 'Kernel/Arch')
-rw-r--r--Kernel/Arch/x86/common/Processor.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/Kernel/Arch/x86/common/Processor.cpp b/Kernel/Arch/x86/common/Processor.cpp
index 90a2b3af3b..263cb6803b 100644
--- a/Kernel/Arch/x86/common/Processor.cpp
+++ b/Kernel/Arch/x86/common/Processor.cpp
@@ -1214,6 +1214,9 @@ extern "C" void enter_thread_context(Thread* from_thread, Thread* to_thread)
auto& tls_descriptor = processor.get_gdt_entry(GDT_SELECTOR_TLS);
tls_descriptor.set_base(to_thread->thread_specific_data());
tls_descriptor.set_limit(to_thread->thread_specific_region_size());
+#else
+ MSR fs_base_msr(MSR_FS_BASE);
+ fs_base_msr.set(to_thread->thread_specific_data().get());
#endif
if (from_regs.cr3 != to_regs.cr3)