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@ -19,7 +19,6 @@ macro_rules! impl_inode {
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fn move_(&self, _old_name: &str, _target: &Arc<INode>, _new_name: &str) -> Result<()> { Err(FsError::NotDir) }
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fn find(&self, _name: &str) -> Result<Arc<INode>> { Err(FsError::NotDir) }
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fn get_entry(&self, _id: usize) -> Result<String> { Err(FsError::NotDir) }
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fn io_control(&self, cmd: u32, data: usize) -> Result<()> { Err(FsError::NotSupported) }
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fn fs(&self) -> Arc<FileSystem> { unimplemented!() }
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fn as_any_ref(&self) -> &Any { self }
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};
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@ -62,5 +61,102 @@ impl INode for Vga {
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gid: 0,
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})
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}
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fn io_control(&self, cmd: u32, data: usize) -> Result<()> {
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info!("cmd {:#x} , data {:#x} vga not support ioctl !", cmd, data);
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match cmd {
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FBIOGET_FSCREENINFO => {
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let fb_fix_info = unsafe{ &mut *(data as *mut fb_fix_screeninfo) };
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fb_fix_info.line_length = 100;
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Ok(())
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},
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FBIOGET_VSCREENINFO => {
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let fb_var_info = unsafe{ &mut *(data as *mut fb_var_screeninfo) };
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if let Some(fb) = FRAME_BUFFER.lock().as_ref() {
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fb.fill_var_screeninfo(fb_var_info);
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}
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Ok(())
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},
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_ => {
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warn!("use never support ioctl !");
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Err(FsError::NotSupported)
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}
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}
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//let fb_fix_info = unsafe{ &mut *(data as *mut fb_fix_screeninfo) };
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//Ok(())
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}
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impl_inode!();
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}
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const FBIOGET_FSCREENINFO : u32 = 0x4602;
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const FBIOGET_VSCREENINFO : u32 = 0x4600;
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#[repr(C)]
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struct fb_fix_screeninfo {
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pub id : [u8;16], /* identification string eg "TT Builtin" */
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pub smem_start : u64, /* Start of frame buffer mem */
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/* (physical address) */
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pub smem_len : u32, /* Length of frame buffer mem */
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pub _type : u32, /* see FB_TYPE_* */
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pub type_aux : u32, /* Interleave for interleaved Planes */
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pub visual : u32, /* see FB_VISUAL_* */
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pub xpanstep : u16, /* zero if no hardware panning */
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pub ypanstep : u16, /* zero if no hardware panning */
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pub ywrapstep : u16, /* zero if no hardware ywrap */
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pub line_length : u32, /* length of a line in bytes */
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pub mmio_start : u64, /* Start of Memory Mapped I/O */
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/* (physical address) */
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pub mmio_len : u32, /* Length of Memory Mapped I/O */
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pub accel : u32, /* Indicate to driver which */
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/* specific chip/card we have */
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pub capabilities : u16, /* see FB_CAP_* */
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pub reserved : [u16;2], /* Reserved for future compatibility */
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}
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#[repr(C)]
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pub struct fb_var_screeninfo {
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pub xres : u32, /* visible resolution */
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pub yres : u32,
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pub xres_virtual : u32, /* virtual resolution */
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pub yres_virtual : u32,
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pub xoffset : u32, /* offset from virtual to visible */
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pub yoffset : u32, /* resolution */
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pub bits_per_pixel : u32, /* guess what */
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pub grayscale : u32, /* 0 = color, 1 = grayscale, */
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/* >1 = FOURCC */
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pub red : fb_bitfield , /* bitfield in fb mem if true color, */
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pub green : fb_bitfield , /* else only length is significant */
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pub blue : fb_bitfield ,
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pub transp : fb_bitfield , /* transparency */
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pub nonstd : u32, /* != 0 Non standard pixel format */
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pub activate : u32, /* see FB_ACTIVATE_* */
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pub height : u32, /* height of picture in mm */
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pub width : u32, /* width of picture in mm */
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pub accel_flags : u32, /* (OBSOLETE) see fb_info.flags */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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pub pixclock : u32, /* pixel clock in ps (pico seconds) */
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pub left_margin : u32, /* time from sync to picture */
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pub right_margin : u32, /* time from picture to sync */
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pub upper_margin : u32, /* time from sync to picture */
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pub lower_margin : u32,
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pub hsync_len : u32, /* length of horizontal sync */
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pub vsync_len : u32, /* length of vertical sync */
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pub sync : u32, /* see FB_SYNC_* */
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pub vmode : u32, /* see FB_VMODE_* */
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pub rotate : u32, /* angle we rotate counter clockwise */
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pub colorspace : u32, /* colorspace for FOURCC-based modes */
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pub reserved : [u32;4], /* Reserved for future compatibility */
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}
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#[repr(C)]
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pub struct fb_bitfield {
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pub offset : u32, /* beginning of bitfield */
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pub length : u32, /* length of bitfield */
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pub msb_right : u32, /* != 0 : Most significant bit is */
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/* right */
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}
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PanQL
6 years ago