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Kernel: Remove i686 support

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Liav A 2022-10-04 03:05:54 +03:00 • committed by Andreas Kling
parent 32270dcd20
commit 5ff318cf3a
75 changed files with 142 additions and 895 deletions
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21
Kernel/Syscalls/execve.cpp
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@ -149,16 +149,7 @@ static ErrorOr<FlatPtr> make_userspace_context_for_main_thread([[maybe_unused]]
// NOTE: The stack needs to be 16-byte aligned.
new_sp -= new_sp % 16;
#if ARCH(I386)
// GCC assumes that the return address has been pushed to the stack when it enters the function,
// so we need to reserve an extra pointer's worth of bytes below this to make GCC's stack alignment
// calculations work
new_sp -= sizeof(void*);
push_on_new_stack(envp);
push_on_new_stack(argv);
push_on_new_stack(argv_entries.size());
#elif ARCH(X86_64)
#if ARCH(X86_64)
regs.rdi = argv_entries.size();
regs.rsi = argv;
regs.rdx = envp;
@ -686,18 +677,8 @@ ErrorOr<void> Process::do_exec(NonnullLockRefPtr<OpenFileDescription> main_progr
auto& regs = new_main_thread->m_regs;
regs.cs = GDT_SELECTOR_CODE3 | 3;
#if ARCH(I386)
regs.ds = GDT_SELECTOR_DATA3 | 3;
regs.es = GDT_SELECTOR_DATA3 | 3;
regs.ss = GDT_SELECTOR_DATA3 | 3;
regs.fs = GDT_SELECTOR_DATA3 | 3;
regs.gs = GDT_SELECTOR_TLS | 3;
regs.eip = load_result.entry_eip;
regs.esp = new_userspace_sp;
#else
regs.rip = load_result.entry_eip;
regs.rsp = new_userspace_sp;
#endif
regs.cr3 = address_space().with([](auto& space) { return space->page_directory().cr3(); });
{