TermiNexus
93a4f5bdcb
Drop startup/input/frame tracing from the desktop shell and window server, including the one-shot diagnostic counters.
54 lines
1.5 KiB
Plaintext
54 lines
1.5 KiB
Plaintext
import vpsdk.devfs as devfs
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import vpsdk.desk as desk
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import vpsdk.process as process
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from stdint import *
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import desk_server
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@__attribute__(section(".text.startup"), aligned(16))
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export def _start() -> int:
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# 1) 打开 framebuffer 设备，问几何，再映射成线性地址
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fb_fd: int = devfs.fb_open()
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if fb_fd < 0:
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process.exit(1)
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return 0
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# fb_get_info returns the geometry through an out parameter and a status code.
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info: devfs.FbInfo
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_fb_ret: int = devfs.fb_get_info(fb_fd, &info)
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if _fb_ret != 0:
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process.exit(1)
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return 0
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if info.pitch == 0 or info.size == 0:
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process.exit(1)
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return 0
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fb_va: uint64 = devfs.fb_map(fb_fd, info.size)
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if fb_va == 0:
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process.exit(1)
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return 0
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fb: uint32* = uint32*(fb_va)
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# Input devices are reachable once they can be opened.
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kfd: int = devfs.kbd_open()
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mfd: int = devfs.mouse_open()
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# Attach and format the /dev/desk shared area used by the window server.
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desk_fd: int = desk.desk_open()
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if desk_fd < 0:
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process.exit(1)
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return 0
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shm: uint64 = desk.desk_map(desk_fd)
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if shm == 0:
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process.exit(1)
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return 0
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desk.desk_format(shm, info.width, info.height, info.pitch)
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# Enter the window server loop: request ring, input and composition.
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srv: desk_server.DeskServer = desk_server.DeskServer()
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srv.init(fb, int(info.width), int(info.height), int(info.pitch), info.format, shm, kfd, mfd, fb_fd)
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srv.serve()
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return 0
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