From 099a7fbbc35a71f98553fa39899f2d17c555242f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matteo=20Gm=C3=BCr?= Date: Fri, 2 May 2025 14:49:06 +0000 Subject: Finish implementing 8-byte GDT entries and syscall arg loads. --- arch/x86_64/src/kernel/cpu/tr.cpp | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'arch/x86_64/src/kernel/cpu/tr.cpp') diff --git a/arch/x86_64/src/kernel/cpu/tr.cpp b/arch/x86_64/src/kernel/cpu/tr.cpp index e281189..a435540 100644 --- a/arch/x86_64/src/kernel/cpu/tr.cpp +++ b/arch/x86_64/src/kernel/cpu/tr.cpp @@ -11,12 +11,6 @@ namespace teachos::arch::kernel::cpu auto load_task_register(uint16_t gdt_offset) -> void { - // asm volatile("ltr %[input]" : /* no output from call */ : [input] "R"(gdt_offset)); - // https://www.scs.stanford.edu/05au-cs240c/lab/i386/s07_03.htm - asm volatile("mov %[input], %%ax\n" - "ltr %%ax\n" - : /* no output from call */ - : [input] "r"(gdt_offset) - : "ax"); + asm volatile("ltr %[input]" : /* no output from call */ : [input] "m"(gdt_offset)); } } // namespace teachos::arch::kernel::cpu -- cgit v1.2.3