mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2012, 2015.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
|
version.
|
|
|
|
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
kernelinfo.cpp
|
|
Lets user-space query information about the kernel.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <brand.h>
|
|
#include <errno.h>
|
|
|
|
#include <sortix/kernel/copy.h>
|
|
#include <sortix/kernel/kernel.h>
|
|
#include <sortix/kernel/syscall.h>
|
|
|
|
#ifndef VERSIONSTR
|
|
#define VERSIONSTR "unknown"
|
|
#endif
|
|
|
|
namespace Sortix {
|
|
|
|
static const char* KernelInfo(const char* req)
|
|
{
|
|
if ( strcmp(req, "name") == 0 ) { return BRAND_KERNEL_NAME; }
|
|
if ( strcmp(req, "version") == 0 ) { return VERSIONSTR; }
|
|
if ( strcmp(req, "builddate") == 0 ) { return __DATE__; }
|
|
if ( strcmp(req, "buildtime") == 0 ) { return __TIME__; }
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
if ( strcmp(req, "firmware") == 0 ) { return "bios"; }
|
|
#else
|
|
#warning "Name your system firmware here"
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
ssize_t sys_kernelinfo(const char* req, char* resp, size_t resplen)
|
|
{
|
|
const char* str = KernelInfo(req);
|
|
if ( !str )
|
|
return errno = EINVAL, -1;
|
|
size_t stringlen = strlen(str);
|
|
if ( resplen < stringlen + 1 )
|
|
return errno = ERANGE, (ssize_t) stringlen;
|
|
if ( !CopyToUser(resp, str, sizeof(char) * (stringlen + 1)) )
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
} // namespace Sortix
|