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Merge remote-tracking branch 'Kernel/master'
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EnderIce2
257
Kernel/core/panic/kbd/xhci.hpp
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257
Kernel/core/panic/kbd/xhci.hpp
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/*
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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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#pragma once
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#include <ints.hpp>
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class CrashXHCIKeyboardDriver : public Interrupts::Handler
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{
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private:
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struct XHCIcap
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{
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uint8_t CAPLENGTH;
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uint8_t __reserved0;
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uint16_t HCIVERSION;
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uint32_t HCSPARAMS1;
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uint32_t HCSPARAMS2;
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uint32_t HCSPARAMS3;
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union
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{
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struct
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{
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uint32_t AC64 : 1;
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uint32_t BNC : 1;
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uint32_t CSZ : 1;
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uint32_t PPC : 1;
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uint32_t PIND : 1;
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uint32_t LHRC : 1;
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uint32_t LTC : 1;
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uint32_t NSS : 1;
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uint32_t PAE : 1;
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uint32_t SPC : 1;
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uint32_t SEC : 1;
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uint32_t CFC : 1;
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uint32_t MaxPSASize : 4;
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uint32_t xHCIExtendedCapacitiesPointer : 16;
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} __packed;
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uint32_t raw;
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} HCCPARAMS1;
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uint32_t DBOFF;
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uint32_t RTSOFF;
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uint32_t HCCPARAMS2;
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} *caps __packed;
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struct XHCIop
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{
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union
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{
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struct
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{
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uint32_t RS : 1;
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uint32_t HCRST : 1;
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uint32_t INTE : 1;
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uint32_t HSEE : 1;
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uint32_t __reserved0 : 3;
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uint32_t LHCRST : 1;
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uint32_t CSS : 1;
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uint32_t CRS : 1;
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uint32_t EWE : 1;
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uint32_t EU3S : 1;
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uint32_t __reserved1 : 1;
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uint32_t CME : 1;
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uint32_t ETE : 1;
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uint32_t TSCEN : 1;
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uint32_t VTIOEN : 1;
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uint32_t __reserved2 : 15;
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} __packed;
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uint32_t raw;
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} USBCMD;
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union
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{
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struct
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{
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uint32_t HCH : 1;
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uint32_t __reserved0 : 1;
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uint32_t HSE : 1;
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uint32_t EINT : 1;
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uint32_t PCB : 1;
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uint32_t __reserved1 : 3;
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uint32_t SSS : 1;
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uint32_t RSS : 1;
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uint32_t SRE : 1;
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uint32_t CNR : 1;
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uint32_t HCE : 1;
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uint32_t __reserved2 : 18;
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} __packed;
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uint32_t raw;
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} USBSTS;
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uint32_t PAGESIZE;
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uint8_t __reserved0[8];
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uint32_t DNCTRL;
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union
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{
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struct
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{
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uint64_t RCS : 1;
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uint64_t CS : 1;
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uint64_t CA : 1;
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uint64_t CRR : 1;
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uint64_t __reserved0 : 2;
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uint64_t CRP : 58;
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} __packed;
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uint64_t raw;
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} CRCR;
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uint8_t __reserved1[16];
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uint64_t DCBAAP;
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uint32_t CONFIG;
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} *ops __packed;
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struct XHCIport
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{
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uint32_t PORTSC;
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uint32_t PORTMSC;
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uint32_t PORTLI;
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uint32_t PORTHLPMC;
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} *port __packed;
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struct XHCIruntime
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{
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uint32_t MFINDEX;
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uint32_t __reserved0[7];
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struct XHCIinterrupter
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{
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union
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{
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struct
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{
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uint32_t IP : 1;
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uint32_t IE : 1;
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uint32_t __reserved0 : 30;
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} __packed;
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uint32_t raw;
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} IMAN;
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union
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{
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struct
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{
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uint32_t IMODI : 16;
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uint32_t IMODC : 16;
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} __packed;
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uint32_t raw;
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} IMOD;
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union
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{
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struct
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{
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uint32_t ERSTSZ : 16;
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uint32_t __reserved0 : 16;
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} __packed;
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uint32_t raw;
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} ERSTSZ;
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uint32_t __reserved;
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union
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{
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struct
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{
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uint64_t __reserved0 : 6;
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uint64_t ERSTBAR : 58;
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} __packed;
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uint64_t raw;
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} ERSTBA;
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union
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{
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struct
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{
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uint64_t DESI : 3;
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uint64_t EHB : 1;
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uint64_t ERDP : 60;
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} __packed;
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uint64_t raw;
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} ERDP;
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} Interrupter[] __packed;
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} *runtime __packed;
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union XHCIdoorbell
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{
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struct
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{
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uint32_t DBTarget : 8;
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uint32_t __reserved : 8;
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uint32_t DBTaskID : 16;
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} __packed;
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uint32_t raw;
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} *doorbell;
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struct HCExtCap
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{
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union
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{
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struct
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{
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uint32_t CapID : 8;
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uint32_t NextCapPtr : 8;
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uint32_t BIOSOwnsHC : 1;
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uint32_t __reserved0 : 7;
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uint32_t OSOwnsHC : 1;
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uint32_t __reserved1 : 7;
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} __packed;
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uint32_t raw;
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} USBLEGSUP;
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union
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{
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struct
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{
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uint32_t unknown : 32;
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} __packed;
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uint32_t raw;
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} USBLEGCTLSTS;
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} __packed;
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struct XHCIprotocol
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{
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uint8_t CAPID;
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uint8_t NextCapPtr;
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uint8_t RevisionMinor;
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uint8_t RevisionMajor;
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uint8_t Name[4];
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uint8_t CompPortOffset;
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uint8_t CompPortCount;
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uint16_t ProtocolDefined : 12;
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uint8_t PSIC : 4;
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uint8_t ProtocolSlotType : 4;
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uint32_t __reserved0 : 28;
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} __packed;
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PCI::PCIDeviceHeader *Header = nullptr;
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uintptr_t ExtendedCaps = 0;
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void *baseAddrArray = nullptr;
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std::vector<XHCIprotocol *> Protocols = {};
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XHCIruntime::XHCIinterrupter *Interrupter = nullptr;
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void OnInterruptReceived(CPU::TrapFrame *Frame);
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bool TakeOwnership();
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public:
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bool Initialize();
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CrashXHCIKeyboardDriver(PCI::PCIDevice dev);
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~CrashXHCIKeyboardDriver() {}
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};
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