mirror of
https://github.com/Fennix-Project/Kernel.git
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70 lines
1.7 KiB
C++
70 lines
1.7 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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#include <syscalls.hpp>
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#include <memory.hpp>
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#include <utsname.h>
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#include <lock.hpp>
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#include <exec.hpp>
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#include <errno.h>
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#include <debug.h>
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#include "../../syscalls.h"
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#include "../../kernel.h"
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using Tasking::PCB;
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using namespace Memory;
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/* https://pubs.opengroup.org/onlinepubs/9699919799/functions/uname.html */
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int sys_uname(SysFrm *, struct utsname *buf)
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{
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assert(sizeof(struct utsname) < PAGE_SIZE);
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Tasking::PCB *pcb = thisProcess;
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Memory::Virtual vmm(pcb->PageTable);
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if (!vmm.Check(buf, Memory::US))
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{
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warn("Invalid address %#lx", buf);
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return -EFAULT;
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}
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auto pBuf = pcb->PageTable->Get(buf);
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struct utsname uname =
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{
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/* TODO: This shouldn't be hardcoded */
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.sysname = KERNEL_NAME,
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.nodename = "fennix",
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.release = KERNEL_VERSION,
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.version = KERNEL_VERSION,
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#if defined(a64)
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.machine = "x86_64",
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#elif defined(a32)
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.machine = "i386",
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#elif defined(aa64)
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.machine = "arm64",
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#elif defined(aa32)
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.machine = "arm",
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#endif
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};
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memcpy(pBuf, &uname, sizeof(struct utsname));
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return 0;
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}
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