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Kernel: Fix stack for new threads on x86_64

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Unlike on x86 iretq always pops rsp and ss.
This commit is contained in:
Gunnar Beutner 2021-06-27 17:22:31 +02:00 • committed by Andreas Kling
parent 8eb48039c9
commit 328d44e227
2 changed files with 8 additions and 17 deletions
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3
Kernel/Arch/x86/RegisterState.h
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@ -65,13 +65,14 @@ struct [[gnu::packed]] RegisterState {
#else
FlatPtr rflags;
FlatPtr userspace_rsp;
FlatPtr userspace_ss;
#endif
};
#if ARCH(I386)
# define REGISTER_STATE_SIZE (19 * 4)
#else
# define REGISTER_STATE_SIZE (21 * 8)
# define REGISTER_STATE_SIZE (22 * 8)
#endif
static_assert(REGISTER_STATE_SIZE == sizeof(RegisterState));