pc-tty: add PS/2 mouse support and kbd/mouse vdevs #512
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Adds PS/2 mouse support. Because PS/2 keyboard and mouse share the same I/O port, this required some heavy refactoring of ttypc_kbd driver. It also adds /dev/kbd and /dev/mouse virtual devices, which can be used for input event capturing by applications, for instance by an X server, as part of RTOS-864. Mouse support and virtual devices are opt-in and can be enabled via board_config.h. JIRA: RTOS-896
Mouse events outputed on /mouse/dev are now always aligned in accordance to PS/2 protocol spec. Additionally, configurations steps must be skipped on real hardware, as they seem to be done by the real BIOS already (enabling mouse, enabling IRQ12 interrupt etc.) and redoing them may lead to blocking the controller. JIRA: RTOS-896
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JIRA: RTOS-896, RTOS-864
Description
Adds PS/2 mouse support. Because PS/2 keyboard and mouse share the same I/O port, this required some heavy refactoring of ttypc_kbd driver. It also adds
/dev/kbdand/dev/mousevirtual devices, which can be used for input event capturing by applications, for instance by an X server, as part of RTOS-864.Mouse support and virtual devices are opt-in and can be enabled via
board_config.h.Motivation and Context
Types of changes
How Has This Been Tested?
Checklist:
Special treatment
_projects/ia32-generic-qemu: add pc-tty mouse/vdevs config options phoenix-rtos-project#1135