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Terminal: Redraw entire line if any of its characters are dirty.

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This means we only have to do one fill_rect() per line and the whole process
ends up being ~10% faster than before.

Also added a read_tsc() syscall to give userspace access to the TSC.
This commit is contained in:
Andreas Kling 2019-01-25 02:09:29 +01:00
parent 11b73c38d8
commit 267a903dd0
9 changed files with 108 additions and 35 deletions
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Kernel/Process.h
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@ -194,6 +194,7 @@ public:
clock_t sys$times(tms*);
int sys$utime(const char* pathname, const struct utimbuf*);
int sys$unlink(const char* pathname);
int sys$read_tsc(dword* lsw, dword* msw);
int gui$create_window(const GUI_WindowParameters*);
int gui$destroy_window(int window_id);