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Kernel: Make some of the assembly code position-independent on x86_64

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Gunnar Beutner 2021-07-23 14:11:28 +02:00 • committed by Andreas Kling
parent 412ce31f7f
commit a6c4a4d2fc
2 changed files with 5 additions and 5 deletions
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4
Kernel/Arch/x86/x86_64/Processor.cpp
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@ -47,7 +47,7 @@ NAKED void do_assume_context(Thread*, u32)
" movq %r12, %rsi \n" // from_thread
" pushq %r12 \n" // to_thread (for thread_context_first_enter)
" pushq %r12 \n" // from_thread (for thread_context_first_enter)
" movabs $thread_context_first_enter, %r12 \n" // should be same as regs.rip
" leaq thread_context_first_enter(%rip), %r12 \n" // should be same as regs.rip
" pushq %r12 \n"
" jmp enter_thread_context \n");
// clang-format on
@ -191,7 +191,7 @@ void Processor::switch_context(Thread*& from_thread, Thread*& to_thread)
"pushq %%r14 \n"
"pushq %%r15 \n"
"movq %%rsp, %[from_rsp] \n"
"movabs $1f, %%rbx \n"
"leaq 1f(%%rip), %%rbx \n"
"movq %%rbx, %[from_rip] \n"
"movq %[to_rsp0], %%rbx \n"
"movl %%ebx, %[tss_rsp0l] \n"