2 * (c) 2008-2009 Alexander Warg <warg@os.inf.tu-dresden.de>
3 * economic rights: Technische Universität Dresden (Germany)
5 * This file is part of TUD:OS and distributed under the terms of the
6 * GNU General Public License 2.
7 * Please see the COPYING-GPL-2 file for details.
9 #include <l4/util/mb_info.h>
10 #include <l4/sys/consts.h>
12 #include <l4/re/dataspace>
13 #include <l4/re/video/goos>
15 #include <l4/sigma0/sigma0.h>
17 #include <l4/cxx/iostream>
18 #include <l4/cxx/l4iostream>
20 #include "dataspace_static.h"
22 #include "name_space.h"
23 #include "page_alloc.h"
27 #include <l4/re/util/video/goos_svr>
28 #include <l4/sys/cxx/ipc_epiface>
30 using L4Re::Dataspace;
33 public L4Re::Util::Video::Goos_svr,
34 public L4::Epiface_t<Vesa_fb, L4Re::Video::Goos, Moe::Server_object>
37 l4util_mb_vbe_ctrl_t *vbe;
38 l4util_mb_vbe_mode_t *vbi;
39 unsigned long base_offset;
40 unsigned long map_size;
43 Vesa_fb(l4util_mb_info_t *mbi);
48 init_vesa_fb(l4util_mb_info_t *mbi)
50 static Vesa_fb video(mbi);
54 Vesa_fb::Vesa_fb(l4util_mb_info_t *mbi)
56 if (!(mbi->flags & L4UTIL_MB_VIDEO_INFO))
58 vbe = (l4util_mb_vbe_ctrl_t*)(unsigned long)mbi->vbe_ctrl_info;
59 vbi = (l4util_mb_vbe_mode_t*)(unsigned long)mbi->vbe_mode_info;
63 base_offset = vbi->phys_base & (L4_SUPERPAGESIZE - 1);
64 unsigned long paddr = vbi->phys_base & ~(L4_SUPERPAGESIZE - 1);
65 unsigned long fb_size = 64 * 1024 * vbe->total_memory;
66 map_size = (fb_size + base_offset + L4_SUPERPAGESIZE - 1)
67 & ~(L4_SUPERPAGESIZE - 1);
70 = l4_round_size(Moe::Pages::max_addr, L4_SUPERPAGESHIFT);
71 if (vaddr >= Moe::Virt_limit::end - map_size - L4_SUPERPAGESIZE)
72 vaddr = (unsigned long)Single_page_alloc_base::_alloc(map_size);
75 L4::cerr << "Failed to get memory for VESA video memory\n";
79 switch (l4sigma0_map_iomem(Sigma0_cap, paddr, vaddr, map_size, 1))
82 L4::cerr << "IPC error mapping video memory\n";
85 L4::cerr << "No fpage received\n";
91 Moe::Dataspace_static *fb = new Moe::Dataspace_static((void*)vaddr, map_size, Moe::Dataspace_static::Writable | L4Re::Dataspace::Map_bufferable);
93 _screen_info.width = vbi->x_resolution;
94 _screen_info.height = vbi->y_resolution;
95 _screen_info.flags = L4Re::Video::Goos::F_auto_refresh;
96 _screen_info.pixel_info = L4Re::Video::Pixel_info(vbi);
98 _view_info.buffer_offset = base_offset;
99 _view_info.bytes_per_line = vbi->bytes_per_scanline;
103 _fb_ds = L4::cap_cast<L4Re::Dataspace>(object_pool.cap_alloc()->alloc(fb));
105 object_pool.cap_alloc()->alloc(this);
106 root_name_space()->register_obj("vesa", 0, this);
108 L4::cout << " VESAFB: " << obj_cap() << _fb_ds
109 << " @" << (void*)(unsigned long)vbi->phys_base
110 << " (size=" << L4::hex << 64*1024*vbe->total_memory << ")\n" << L4::dec;