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Kernel: Add support for setting up a x86_64 GDT once in C++ land

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This commit is contained in:
Gunnar Beutner 2021-06-25 14:34:04 +02:00 • committed by Andreas Kling
parent 29d9666e02
commit f630299d49
5 changed files with 55 additions and 11 deletions
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2
Kernel/Arch/x86/ASM_wrapper.h
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@ -30,6 +30,7 @@ ALWAYS_INLINE FlatPtr cpu_flags()
return flags;
}
#if ARCH(I386)
ALWAYS_INLINE void set_fs(u16 segment)
{
asm volatile(
@ -59,6 +60,7 @@ ALWAYS_INLINE u16 get_gs()
: "=a"(gs));
return gs;
}
#endif
ALWAYS_INLINE u32 read_fs_u32(u32 offset)
{