Differential D28114 Diff 82264 stand/efi/loader/framebuffer.c

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stand/efi/loader/framebuffer.c

Show First 20 Lines • Show All 458 Lines • ▼ Show 20 Lines	efifb_from_uga(struct efi_fb efifb, EFI_UGA_DRAW_PROTOCOL uga)
* We finalized on the stride, so recalculate the size of the		* We finalized on the stride, so recalculate the size of the
* frame buffer.		* frame buffer.
*/		*/
efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4;		efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4;
return (0);		return (0);
}		}

int		int
efi_find_framebuffer(struct efi_fb *efifb)		efi_find_framebuffer(teken_gfx_t *gfx_state)
{		{
		struct efi_fb efifb;
EFI_GRAPHICS_OUTPUT *gop;		EFI_GRAPHICS_OUTPUT *gop;
EFI_UGA_DRAW_PROTOCOL *uga;		EFI_UGA_DRAW_PROTOCOL *uga;
EFI_STATUS status;		EFI_STATUS status;
		int rv;

status = BS->LocateProtocol(&gop_guid, NULL, (VOID **)&gop);		gfx_state->tg_fb_type = FB_TEXT;
if (status == EFI_SUCCESS)
return (efifb_from_gop(efifb, gop->Mode, gop->Mode->Info));

		status = BS->LocateProtocol(&gop_guid, NULL, (VOID **)&gop);
		if (status == EFI_SUCCESS) {
		gfx_state->tg_fb_type = FB_GOP;
		gfx_state->tg_private = gop;
		} else {
status = BS->LocateProtocol(&uga_guid, NULL, (VOID **)&uga);		status = BS->LocateProtocol(&uga_guid, NULL, (VOID **)&uga);
if (status == EFI_SUCCESS)		if (status == EFI_SUCCESS) {
return (efifb_from_uga(efifb, uga));		gfx_state->tg_fb_type = FB_UGA;
		gfx_state->tg_private = uga;
		} else {
		return (1);
		}
		}

		switch (gfx_state->tg_fb_type) {
		case FB_GOP:
		rv = efifb_from_gop(&efifb, gop->Mode, gop->Mode->Info);
		break;

		case FB_UGA:
		rv = efifb_from_uga(&efifb, uga);
		break;

		default:
return (1);		return (1);
		}

		gfx_state->tg_fb.fb_addr = efifb.fb_addr;
		gfx_state->tg_fb.fb_size = efifb.fb_size;
		gfx_state->tg_fb.fb_height = efifb.fb_height;
		gfx_state->tg_fb.fb_width = efifb.fb_width;
		gfx_state->tg_fb.fb_stride = efifb.fb_stride;
		gfx_state->tg_fb.fb_mask_red = efifb.fb_mask_red;
		gfx_state->tg_fb.fb_mask_green = efifb.fb_mask_green;
		gfx_state->tg_fb.fb_mask_blue = efifb.fb_mask_blue;
		gfx_state->tg_fb.fb_mask_reserved = efifb.fb_mask_reserved;

		gfx_state->tg_fb.fb_bpp = fls(efifb.fb_mask_red \| efifb.fb_mask_green \|
		efifb.fb_mask_blue \| efifb.fb_mask_reserved);

		return (0);
}		}

static void		static void
print_efifb(int mode, struct efi_fb *efifb, int verbose)		print_efifb(int mode, struct efi_fb *efifb, int verbose)
{		{
u_int depth;		u_int depth;

if (mode >= 0)		if (mode >= 0)
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