mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-04 20:06:51 +00:00
a140ec037a
Apparently many Lua based homebrew call this on startup and hang if it fails, but often otherwise don't use sceUsb.
254 lines
8.1 KiB
C++
254 lines
8.1 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program 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, version 2.0 or later versions.
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// This program 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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "Common/Serialize/Serializer.h"
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#include "Common/Serialize/SerializeFuncs.h"
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#include "Core/CoreTiming.h"
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#include "Core/HLE/HLE.h"
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#include "Core/HLE/FunctionWrappers.h"
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#include "Core/HLE/KernelWaitHelpers.h"
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#include "Core/HLE/sceKernelThread.h"
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#include "Core/HLE/sceUsb.h"
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#include "Core/MIPS/MIPS.h"
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#include "Core/Reporting.h"
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static constexpr uint32_t ERROR_USB_WAIT_TIMEOUT = 0x80243008;
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// TODO: Map by driver name
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static bool usbStarted = false;
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// TODO: Check actual status
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static bool usbConnected = true;
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// TODO: Activation by product id
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static bool usbActivated = false;
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static int usbWaitTimer = -1;
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static std::vector<SceUID> waitingThreads;
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enum UsbStatus {
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USB_STATUS_STOPPED = 0x001,
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USB_STATUS_STARTED = 0x002,
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USB_STATUS_DISCONNECTED = 0x010,
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USB_STATUS_CONNECTED = 0x020,
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USB_STATUS_DEACTIVATED = 0x100,
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USB_STATUS_ACTIVATED = 0x200,
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};
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static int UsbCurrentState() {
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int state = 0;
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if (usbStarted) {
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state = USB_STATUS_STARTED
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| (usbConnected ? USB_STATUS_CONNECTED : USB_STATUS_DISCONNECTED)
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| (usbActivated ? USB_STATUS_ACTIVATED : USB_STATUS_DEACTIVATED);
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}
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return state;
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}
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static bool UsbMatchState(int state, u32 mode) {
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int match = state & UsbCurrentState();
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if (mode == 0) {
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return match == state;
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}
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return match != 0;
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}
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static void UsbSetTimeout(PSPPointer<int> timeout) {
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if (!timeout.IsValid() || usbWaitTimer == -1)
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return;
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// This should call __UsbWaitTimeout() later, unless we cancel it.
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CoreTiming::ScheduleEvent(usToCycles(*timeout), usbWaitTimer, __KernelGetCurThread());
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}
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static void UsbWaitExecTimeout(u64 userdata, int cycleslate) {
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u32 error;
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SceUID threadID = (SceUID)userdata;
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PSPPointer<int> timeout = PSPPointer<int>::Create(__KernelGetWaitTimeoutPtr(threadID, error));
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if (timeout.IsValid())
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*timeout = 0;
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HLEKernel::RemoveWaitingThread(waitingThreads, threadID);
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__KernelResumeThreadFromWait(threadID, ERROR_USB_WAIT_TIMEOUT);
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__KernelReSchedule("wait timed out");
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}
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static void UsbUpdateState() {
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u32 error;
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bool wokeThreads = false;
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for (size_t i = 0; i < waitingThreads.size(); ++i) {
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SceUID threadID = waitingThreads[i];
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int state = __KernelGetWaitID(threadID, WAITTYPE_USB, error);
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if (error != 0)
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continue;
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u32 mode = __KernelGetWaitValue(threadID, error);
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if (UsbMatchState(state, mode)) {
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waitingThreads.erase(waitingThreads.begin() + i);
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--i;
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PSPPointer<int> timeout = PSPPointer<int>::Create(__KernelGetWaitTimeoutPtr(threadID, error));
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if (timeout.IsValid() && usbWaitTimer != -1) {
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// Remove any event for this thread.
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s64 cyclesLeft = CoreTiming::UnscheduleEvent(usbWaitTimer, threadID);
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*timeout = (int)cyclesToUs(cyclesLeft);
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}
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__KernelResumeThreadFromWait(threadID, UsbCurrentState());
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}
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}
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if (wokeThreads)
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hleReSchedule("usb state change");
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}
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void __UsbInit() {
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usbStarted = false;
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usbConnected = true;
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usbActivated = false;
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waitingThreads.clear();
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usbWaitTimer = CoreTiming::RegisterEvent("UsbWaitTimeout", UsbWaitExecTimeout);
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}
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void __UsbDoState(PointerWrap &p) {
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auto s = p.Section("sceUsb", 1, 3);
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if (!s)
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return;
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if (s >= 2) {
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Do(p, usbStarted);
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Do(p, usbConnected);
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} else {
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usbStarted = false;
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usbConnected = true;
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}
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Do(p, usbActivated);
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if (s >= 3) {
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Do(p, waitingThreads);
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Do(p, usbWaitTimer);
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} else {
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waitingThreads.clear();
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usbWaitTimer = -1;
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}
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CoreTiming::RestoreRegisterEvent(usbWaitTimer, "UsbWaitTimeout", UsbWaitExecTimeout);
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}
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static int sceUsbStart(const char* driverName, u32 argsSize, u32 argsPtr) {
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INFO_LOG(HLE, "sceUsbStart(%s, %i, %08x)", driverName, argsSize, argsPtr);
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usbStarted = true;
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UsbUpdateState();
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return 0;
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}
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static int sceUsbStop(const char* driverName, u32 argsSize, u32 argsPtr) {
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INFO_LOG(HLE, "sceUsbStop(%s, %i, %08x)", driverName, argsSize, argsPtr);
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usbStarted = false;
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UsbUpdateState();
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return 0;
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}
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static int sceUsbGetState() {
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int state = 0;
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if (!usbStarted) {
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state = 0x80243007;
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} else {
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state = UsbCurrentState();
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}
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DEBUG_LOG(HLE, "sceUsbGetState: 0x%x", state);
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return state;
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}
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static int sceUsbActivate(u32 pid) {
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INFO_LOG(HLE, "sceUsbActivate(%i)", pid);
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usbActivated = true;
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UsbUpdateState();
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return 0;
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}
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static int sceUsbDeactivate(u32 pid) {
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INFO_LOG(HLE, "sceUsbDeactivate(%i)", pid);
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usbActivated = false;
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UsbUpdateState();
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return 0;
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}
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static int sceUsbWaitState(int state, u32 waitMode, u32 timeoutPtr) {
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hleEatCycles(10000);
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if (waitMode >= 2)
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return hleLogError(HLE, SCE_KERNEL_ERROR_ILLEGAL_MODE, "invalid mode");
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if (state == 0)
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return hleLogError(HLE, SCE_KERNEL_ERROR_EVF_ILPAT, "bad state");
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if (UsbMatchState(state, waitMode)) {
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return hleLogSuccessX(HLE, UsbCurrentState());
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}
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// We'll have to wait as long as it takes. Cleanup first, just in case.
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HLEKernel::RemoveWaitingThread(waitingThreads, __KernelGetCurThread());
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waitingThreads.push_back(__KernelGetCurThread());
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UsbSetTimeout(PSPPointer<int>::Create(timeoutPtr));
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__KernelWaitCurThread(WAITTYPE_USB, state, waitMode, timeoutPtr, false, "usb state waited");
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return hleLogSuccessI(HLE, 0, "waiting");
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}
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static int sceUsbWaitStateCB(int state, u32 waitMode, u32 timeoutPtr) {
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ERROR_LOG_REPORT(HLE, "UNIMPL sceUsbWaitStateCB(%i, %i, %08x)", state, waitMode, timeoutPtr);
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return 0;
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}
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static int sceUsbstorBootSetCapacity(u32 capacity) {
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return hleReportError(HLE, 0, "unimplemented");
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}
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const HLEFunction sceUsb[] =
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{
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{0XAE5DE6AF, &WrapI_CUU<sceUsbStart>, "sceUsbStart", 'i', "sxx"},
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{0XC2464FA0, &WrapI_CUU<sceUsbStop>, "sceUsbStop", 'i', "sxx"},
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{0XC21645A4, &WrapI_V<sceUsbGetState>, "sceUsbGetState", 'i', "" },
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{0X4E537366, nullptr, "sceUsbGetDrvList", '?', "" },
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{0X112CC951, nullptr, "sceUsbGetDrvState", '?', "" },
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{0X586DB82C, &WrapI_U<sceUsbActivate>, "sceUsbActivate", 'i', "x" },
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{0XC572A9C8, &WrapI_U<sceUsbDeactivate>, "sceUsbDeactivate", 'i', "x" },
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{0X5BE0E002, &WrapI_IUU<sceUsbWaitState>, "sceUsbWaitState", 'x', "xip"},
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{0X616F2B61, &WrapI_IUU<sceUsbWaitStateCB>, "sceUsbWaitStateCB", 'x', "xip"},
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{0X1C360735, nullptr, "sceUsbWaitCancel", '?', "" },
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};
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const HLEFunction sceUsbstor[] =
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{
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{0X60066CFE, nullptr, "sceUsbstorGetStatus", '?', "" },
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};
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const HLEFunction sceUsbstorBoot[] =
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{
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{0XE58818A8, &WrapI_U<sceUsbstorBootSetCapacity>,"sceUsbstorBootSetCapacity", 'i', "x" },
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{0X594BBF95, nullptr, "sceUsbstorBootSetLoadAddr", '?', "" },
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{0X6D865ECD, nullptr, "sceUsbstorBootGetDataSize", '?', "" },
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{0XA1119F0D, nullptr, "sceUsbstorBootSetStatus", '?', "" },
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{0X1F080078, nullptr, "sceUsbstorBootRegisterNotify", '?', "" },
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{0XA55C9E16, nullptr, "sceUsbstorBootUnregisterNotify", '?', "" },
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};
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void Register_sceUsb()
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{
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RegisterModule("sceUsbstor", ARRAY_SIZE(sceUsbstor), sceUsbstor);
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RegisterModule("sceUsbstorBoot", ARRAY_SIZE(sceUsbstorBoot), sceUsbstorBoot);
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RegisterModule("sceUsb", ARRAY_SIZE(sceUsb), sceUsb);
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}
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