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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
168 lines
3.2 KiB
C++
168 lines
3.2 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_SYSCALLS_H__
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#define __FENNIX_KERNEL_SYSCALLS_H__
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#include <types.h>
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typedef struct SyscallsFrame
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{
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#if defined(__amd64__)
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uint64_t r15;
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uint64_t r14;
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uint64_t r13;
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uint64_t r12;
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uint64_t r11;
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uint64_t r10;
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uint64_t r9;
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uint64_t r8;
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uint64_t bp;
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uint64_t di;
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uint64_t si;
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uint64_t dx;
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uint64_t cx;
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uint64_t bx;
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uint64_t ax;
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uint64_t ReturnAddress;
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uint64_t CodeSegment;
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uint64_t Flags;
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uint64_t StackPointer;
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uint64_t StackSegment;
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#elif defined(__i386__)
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uint32_t bp;
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uint32_t di;
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uint32_t si;
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uint32_t dx;
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uint32_t cx;
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uint32_t bx;
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uint32_t ax;
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uint32_t ReturnAddress;
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uint32_t CodeSegment;
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uint32_t Flags;
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uint32_t StackPointer;
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uint32_t StackSegment;
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#elif defined(__aarch64__)
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uint64_t ReturnAddress; /* x0 */
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uint64_t x[30];
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uint64_t StackPointer;
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uint64_t ExceptionLinkRegister;
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uint64_t ExceptionSyndromeRegister;
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uint64_t FaultAddressRegister;
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uint64_t SavedProgramStatusRegister;
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#elif defined(__arm__)
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uint32_t ReturnAddress; /* r0 */
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uint32_t x[14];
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uint32_t StackPointer;
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uint32_t ExceptionLinkRegister;
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uint32_t ExceptionSyndromeRegister;
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uint32_t FaultAddressRegister;
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uint32_t SavedProgramStatusRegister;
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#endif
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uintptr_t ReturnValue() const
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{
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#if defined(__amd64__)
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return ax;
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#elif defined(__i386__)
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return ax;
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#elif defined(__aarch64__)
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return x[0];
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#endif
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}
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uintptr_t Arg0() const
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{
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#if defined(__amd64__)
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return di;
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#elif defined(__i386__)
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return di;
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#elif defined(__aarch64__)
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return x[0];
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#endif
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}
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uintptr_t Arg1() const
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{
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#if defined(__amd64__)
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return si;
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#elif defined(__i386__)
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return cx;
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#elif defined(__aarch64__)
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return x[1];
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#endif
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}
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uintptr_t Arg2() const
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{
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#if defined(__amd64__)
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return dx;
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#elif defined(__i386__)
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return dx;
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#elif defined(__aarch64__)
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return x[2];
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#endif
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}
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uintptr_t Arg3() const
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{
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#if defined(__amd64__)
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return r10;
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#elif defined(__i386__)
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return si;
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#elif defined(__aarch64__)
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return x[3];
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#endif
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}
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uintptr_t Arg4() const
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{
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#if defined(__amd64__)
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return r8;
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#elif defined(__i386__)
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return di;
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#elif defined(__aarch64__)
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return x[4];
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#endif
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}
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uintptr_t Arg5() const
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{
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#if defined(__amd64__)
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return r9;
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#elif defined(__i386__)
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return bp;
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#elif defined(__aarch64__)
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return x[5];
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#endif
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}
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} SyscallsFrame;
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#define SysFrm SyscallsFrame
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uintptr_t HandleNativeSyscalls(SyscallsFrame *Frame);
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uintptr_t HandleLinuxSyscalls(SyscallsFrame *Frame);
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/**
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* @brief Initialize syscalls for the current CPU. (Function is available on x32, x64 & aarch64)
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*/
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void InitializeSystemCalls();
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#endif // !__FENNIX_KERNEL_SYSCALLS_H__
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