59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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x86.h
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CPU stuff for the x86 platform.
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*******************************************************************************/
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#ifndef SORTIX_X86_H
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#define SORTIX_X86_H
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#include "../x86-family/x86-family.h"
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namespace Sortix
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{
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namespace X86
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{
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struct InterruptRegisters
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{
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uint32_t signal_pending, kerrno, cr2;
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uint32_t ds; // Data segment selector
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uint32_t edi, esi, ebp, esp, ebx, edx, ecx, eax; // Pushed by pusha.
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uint32_t int_no, err_code; // Interrupt number and error code (if applicable)
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uint32_t eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
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public:
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void LogRegisters() const;
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bool InUserspace() const { return (cs & 0x3) != 0; }
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};
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}
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const uint64_t KCS = 0x08;
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const uint64_t KDS = 0x10;
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const uint64_t KRPL = 0x0;
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const uint64_t UCS = 0x18;
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const uint64_t UDS = 0x20;
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const uint64_t URPL = 0x3;
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}
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#endif
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