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73fdbba59c
This was a workaround to be able to build on case-insensitive file systems where it might get confused about <string.h> vs <String.h>. Let's just not support building that way, so String.h can have an objectively nicer name. :^)
32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
#pragma once
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <Kernel/Devices/BlockDevice.h>
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#include <Kernel/VM/PhysicalAddress.h>
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class MBVGADevice final : public BlockDevice {
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AK_MAKE_ETERNAL
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public:
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static MBVGADevice& the();
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MBVGADevice(PhysicalAddress addr, int pitch, int width, int height);
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virtual int ioctl(FileDescription&, unsigned request, unsigned arg) override;
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virtual KResultOr<Region*> mmap(Process&, FileDescription&, VirtualAddress preferred_vaddr, size_t offset, size_t, int prot) override;
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private:
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virtual const char* class_name() const override { return "MBVGA"; }
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virtual bool can_read(FileDescription&) const override;
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virtual bool can_write(FileDescription&) const override;
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virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const u8*, ssize_t) override;
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size_t framebuffer_size_in_bytes() const { return m_framebuffer_pitch * m_framebuffer_height; }
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PhysicalAddress m_framebuffer_address;
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int m_framebuffer_pitch { 0 };
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int m_framebuffer_width { 0 };
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int m_framebuffer_height { 0 };
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};
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