QEMU display

Display driver for the QEMU framebuffer display peripheral. More...

Data Structures
struct	pbl_display_qemu
	QEMU display. More...

Macros
#define	PBL_DISPLAY_QEMU_DEFINE(sym, _name, _base, _fb, _width, _height, _format)
	Define a QEMU display.

Detailed Description

Display driver for the QEMU framebuffer display peripheral.

Rows are copied to the peripheral's framebuffer and shown at once; updates complete before pbl_display_update() returns. The image is not rotated.

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Data Structure Documentation

pbl_display_qemu

struct pbl_display_qemu

QEMU display.

Data Fields
uintptr_t	base	Register base address.
struct pbl_display	disp	Display.
uintptr_t	fb	Framebuffer base address.

Macro Definition Documentation

PBL_DISPLAY_QEMU_DEFINE

#define PBL_DISPLAY_QEMU_DEFINE	(		sym,
			_name,
			_base,
			_fb,
			_width,
			_height,
			_format
	)

Value:

  PBL_DISPLAY_STATE_DEFINE(sym);                                                                   \
  const struct pbl_display_qemu sym = {                                                            \
    .disp = PBL_DISPLAY_INIT(sym, _name, &pbl_display_qemu_ops, nullptr, _width, _height, _format, \
                             false),                                                               \
    .base = (_base),                                                                               \
    .fb = (_fb),                                                                                   \
  };                                                                                               \
  PBL_DEVICE_REGISTER(sym, &sym.disp.dev)

Define a QEMU display.

Parameters

sym	Symbol of the display.
_name	Name.
_base	Register base address.
_fb	Framebuffer base address.
_width	Width, in pixels.
_height	Height, in pixels.
_format	Framebuffer format.