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https://github.com/RGBCube/serenity
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Kernel+SystemServer: Make KCOVDevice a character device
This device should not be a block device, as in Serenity, block devices represent an interface to either disk partitions or storage devices.
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3 changed files with 5 additions and 6 deletions
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@ -28,7 +28,7 @@ UNMAP_AFTER_INIT NonnullRefPtr<KCOVDevice> KCOVDevice::must_create()
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}
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UNMAP_AFTER_INIT KCOVDevice::KCOVDevice()
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: BlockDevice(30, 0)
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: CharacterDevice(30, 0)
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{
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proc_instance = new HashMap<ProcessID, KCOVInstance*>();
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thread_instance = new HashMap<ThreadID, KCOVInstance*>();
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@ -6,11 +6,11 @@
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#pragma once
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#include <Kernel/Devices/BlockDevice.h>
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#include <Kernel/Devices/CharacterDevice.h>
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#include <Kernel/Devices/KCOVInstance.h>
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namespace Kernel {
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class KCOVDevice final : public BlockDevice {
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class KCOVDevice final : public CharacterDevice {
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friend class DeviceManagement;
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public:
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@ -32,7 +32,6 @@ protected:
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virtual bool can_read(OpenFileDescription const&, u64) const override final { return true; }
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virtual bool can_write(OpenFileDescription const&, u64) const override final { return true; }
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virtual void start_request(AsyncBlockDeviceRequest& request) override final { request.complete(AsyncDeviceRequest::Failure); }
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return EINVAL; }
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override { return EINVAL; }
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virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg) override;
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