2019-03-25 23:10:06 +01:00
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
|
// GNU GPL OS/K //
|
|
|
|
|
// //
|
|
|
|
|
// Desc: Interrupt related functions //
|
|
|
|
|
// //
|
|
|
|
|
// //
|
|
|
|
|
// Copyright © 2018-2019 The OS/K Team //
|
|
|
|
|
// //
|
|
|
|
|
// This file is part of OS/K. //
|
|
|
|
|
// //
|
|
|
|
|
// OS/K 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 //
|
|
|
|
|
// any later version. //
|
|
|
|
|
// //
|
|
|
|
|
// OS/K 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 OS/K. If not, see <https://www.gnu.org/licenses/>. //
|
|
|
|
|
//----------------------------------------------------------------------------//
|
2019-04-09 17:16:13 +02:00
|
|
|
#include <kernel/base.h>
|
2019-03-25 23:10:06 +01:00
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// Registers the new idt in the idtr register.
|
|
|
|
|
//
|
|
|
|
|
static inline void lidt(void* idtAddr, ushort size)
|
|
|
|
|
{
|
2019-03-26 17:50:03 +01:00
|
|
|
// The IDTR register structure that will be sent
|
2019-03-25 23:10:06 +01:00
|
|
|
struct {
|
|
|
|
|
ushort length;
|
|
|
|
|
void* base;
|
|
|
|
|
} __attribute__((packed)) IDTR = { size, idtAddr };
|
|
|
|
|
|
|
|
|
|
asm volatile( "lidt %0" : : "m"(IDTR) );
|
|
|
|
|
}
|
