Exception are now fully supported, working on keyboard and rtc
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Interrupt related functions //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K 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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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <kernel/base.h>
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#include <kernel/cpu.h>
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#include <kernel/iomisc.h>
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void CpuEnableRtc(void)
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{
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ulong flags = KePauseIRQs();
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// Setting up the register control
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IoWriteByteOnPort(0x70, 0x8A); //selects status reg A and DISABLE NMI
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IoWriteByteOnPort(0x71, 0x20);
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//Enabling the IRQ 8
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IoWriteByteOnPort(0x70, 0x8B);
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char read = IoReadByteFromPort(0x71); // Because read causes reset
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IoWriteByteOnPort(0x70, 0x8B);
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IoWriteByteOnPort(0x71, read | 0x40);
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KeRestoreIRQs(flags);
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}
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;=----------------------------------------------------------------------------=;
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; GNU GPL OS/K ;
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; ;
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; Desc: Basic Read Only Keyboard Driver ;
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; (x86_64 architecture only) ;
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; ;
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; ;
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; Copyright © 2018-2019 The OS/K Team ;
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; ;
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; This file is part of OS/K. ;
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; ;
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; OS/K is free software: you can redistribute it and/or modify ;
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; it under the terms of the GNU General Public License as published by ;
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; the Free Software Foundation, either version 3 of the License, or ;
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; (at your option) any later version. ;
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; ;
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; OS/K 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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; ;
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; You should have received a copy of the GNU General Public License ;
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; along with OS/K. If not, see <https://www.gnu.org/licenses/>. ;
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;=----------------------------------------------------------------------------=;
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global KeybIsr
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extern KeybHandler
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%macro pushAll 0
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push rax
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push rcx
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push rdx
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push rbx
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push rbp
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push rsi
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push rdi
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%endmacro
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%macro popAll 0
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pop rdi
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pop rsi
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pop rbp
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pop rbx
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pop rdx
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pop rcx
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pop rax
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%endmacro
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;;
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;; Keyboard handler
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;;
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KeybIsr:
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cli
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pushAll
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xor rax, rax
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mov ax, ds
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push rax
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call KeybHandler
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pop rax
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mov ds, ax
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popAll
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sti
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iretq
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@ -0,0 +1,26 @@
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Basic Read Only Keyboard Driver //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K 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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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <kernel/cpu.h>
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#include <kernel/iomisc.h>
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