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Kernel: Make BochsVGADevice a BlockDevice and support mmapping it.

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Currently you can only mmap the entire framebuffer.
Using this when starting up the WindowServer gets us yet another step
closer towards it moving into userspace. :^)
This commit is contained in:
Andreas Kling 2019-02-16 09:57:42 +01:00
parent 2dc7c5a7b0
commit 799177feda
15 changed files with 155 additions and 26 deletions
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3
Kernel/Device.h
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@ -35,6 +35,9 @@ public:
uid_t uid() const { return m_uid; }
uid_t gid() const { return m_gid; }
virtual bool is_block_device() const { return false; }
virtual bool is_character_device() const { return false; }
protected:
Device(unsigned major, unsigned minor) : m_major(major), m_minor(minor) { }
void set_uid(uid_t uid) { m_uid = uid; }