mirror of
https://github.com/Fennix-Project/Drivers.git
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77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
/*
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This file is part of Fennix Drivers.
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Fennix Drivers 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 Drivers 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 Drivers. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <regs.h>
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#include <base.h>
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#include <io.h>
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bool IsATAPresent()
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{
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outb(0x1F0 + 2, 0);
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outb(0x1F0 + 3, 0);
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outb(0x1F0 + 4, 0);
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outb(0x1F0 + 5, 0);
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outb(0x1F0 + 7, 0xEC);
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if (inb(0x1F0 + 7) == 0 || inb(0x1F0 + 1) != 0)
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return false;
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return true;
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}
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void MasterInterruptHandler(TrapFrame *)
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{
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}
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void SlaveInterruptHandler(TrapFrame *)
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{
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}
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int DriverEntry()
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{
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RegisterInterruptHandler(14, MasterInterruptHandler);
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RegisterInterruptHandler(15, SlaveInterruptHandler);
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return 0;
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}
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int DriverFinal()
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{
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UnregisterInterruptHandler(14, MasterInterruptHandler);
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UnregisterInterruptHandler(15, SlaveInterruptHandler);
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return 0;
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}
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int DriverPanic()
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{
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return 0;
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}
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int DriverProbe()
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{
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if (!IsATAPresent())
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return -ENODEV;
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return 0;
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}
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DriverInfo("ata",
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"Advanced Technology Attachment Driver",
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"EnderIce2",
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0, 0, 1,
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"GPLv3");
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