diff options
Diffstat (limited to 'Kernel/Process.cpp')
| -rw-r--r-- | Kernel/Process.cpp | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp index 40ae38c30e..1e179a58fe 100644 --- a/Kernel/Process.cpp +++ b/Kernel/Process.cpp @@ -1917,79 +1917,6 @@ clock_t Process::sys$times(tms* times) return 0; } -struct vbe_info_structure { - char signature[4]; // must be "VESA" to indicate valid VBE support - word version; // VBE version; high byte is major version, low byte is minor version - dword oem; // segment:offset pointer to OEM - dword capabilities; // bitfield that describes card capabilities - dword video_modes; // segment:offset pointer to list of supported video modes - word video_memory; // amount of video memory in 64KB blocks - word software_rev; // software revision - dword vendor; // segment:offset to card vendor string - dword product_name; // segment:offset to card model name - dword product_rev; // segment:offset pointer to product revision - char reserved[222]; // reserved for future expansion - char oem_data[256]; // OEM BIOSes store their strings in this area -} __attribute__ ((packed)); - -struct vbe_mode_info_structure { - word attributes; // deprecated, only bit 7 should be of interest to you, and it indicates the mode supports a linear frame buffer. - byte window_a; // deprecated - byte window_b; // deprecated - word granularity; // deprecated; used while calculating bank numbers - word window_size; - word segment_a; - word segment_b; - dword win_func_ptr; // deprecated; used to switch banks from protected mode without returning to real mode - word pitch; // number of bytes per horizontal line - word width; // width in pixels - word height; // height in pixels - byte w_char; // unused... - byte y_char; // ... - byte planes; - byte bpp; // bits per pixel in this mode - byte banks; // deprecated; total number of banks in this mode - byte memory_model; - byte bank_size; // deprecated; size of a bank, almost always 64 KB but may be 16 KB... - byte image_pages; - byte reserved0; - - byte red_mask; - byte red_position; - byte green_mask; - byte green_position; - byte blue_mask; - byte blue_position; - byte reserved_mask; - byte reserved_position; - byte direct_color_attributes; - - dword framebuffer; // physical address of the linear frame buffer; write here to draw to the screen - dword off_screen_mem_off; - word off_screen_mem_size; // size of memory in the framebuffer but not being displayed on the screen - byte reserved1[206]; -} __attribute__ ((packed)); - -DisplayInfo Process::get_display_info() -{ - DisplayInfo info; - //auto* vinfo = reinterpret_cast<vbe_info_structure*>(0xc000); - auto* vmode = reinterpret_cast<vbe_mode_info_structure*>(0x2000); - dbgprintf("VESA framebuffer, %ux%u, %u bpp @ P%x\n", vmode->width, vmode->height, vmode->bpp, vmode->framebuffer); - dbgprintf("Returning display info in %s<%u>\n", name().characters(), pid()); - info.width = vmode->width; - info.height = vmode->height; - info.bpp = vmode->bpp; - info.pitch = vmode->pitch; - size_t framebuffer_size = info.pitch * info.height; - if (!m_display_framebuffer_region) { - auto framebuffer_vmo = VMObject::create_framebuffer_wrapper(PhysicalAddress(vmode->framebuffer), framebuffer_size); - m_display_framebuffer_region = allocate_region_with_vmo(LinearAddress(0xe0000000), framebuffer_size, move(framebuffer_vmo), 0, "framebuffer", true, true); - } - info.framebuffer = m_display_framebuffer_region->laddr().as_ptr(); - return info; -} - int Process::sys$select(const Syscall::SC_select_params* params) { if (!validate_read_typed(params)) |