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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Leon Albrecht <leon2002.la@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <AK/Platform.h>
VALIDATE_IS_X86()
namespace Kernel {
struct [[gnu::packed]] TSS32 {
u16 backlink, __blh;
u32 esp0;
u16 ss0, __ss0h;
u32 esp1;
u16 ss1, __ss1h;
u32 esp2;
u16 ss2, __ss2h;
u32 cr3, eip, eflags;
u32 eax, ecx, edx, ebx, esp, ebp, esi, edi;
u16 es, __esh;
u16 cs, __csh;
u16 ss, __ssh;
u16 ds, __dsh;
u16 fs, __fsh;
u16 gs, __gsh;
u16 ldt, __ldth;
u16 trace, iomapbase;
};
struct [[gnu::packed]] TSS64 {
u32 __1; // Link?
u32 rsp0l;
u32 rsp0h;
u32 rsp1l;
u32 rsp1h;
u32 rsp2l;
u32 rsp2h;
u64 __2; // probably CR3 and EIP?
u32 ist1l;
u32 ist1h;
u32 ist2l;
u32 ist2h;
u32 ist3l;
u32 ist3h;
u32 ist4l;
u32 ist4h;
u32 ist5l;
u32 ist5h;
u32 ist6l;
u32 ist6h;
u32 ist7l;
u32 ist7h;
u64 __3; // GS and LDTR?
u16 __4;
u16 iomapbase;
};
using TSS = TSS64;
}
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