42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2021, Sahan Fernando <sahan.h.fernando@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Graphics/Console/ContiguousFramebufferConsole.h>
|
|
#include <Kernel/TTY/ConsoleManagement.h>
|
|
|
|
namespace Kernel::Graphics {
|
|
|
|
NonnullRefPtr<ContiguousFramebufferConsole> ContiguousFramebufferConsole::initialize(PhysicalAddress framebuffer_address, size_t width, size_t height, size_t pitch)
|
|
{
|
|
return adopt_ref(*new ContiguousFramebufferConsole(framebuffer_address, width, height, pitch));
|
|
}
|
|
|
|
ContiguousFramebufferConsole::ContiguousFramebufferConsole(PhysicalAddress framebuffer_address, size_t width, size_t height, size_t pitch)
|
|
: GenericFramebufferConsole(width, height, pitch)
|
|
, m_framebuffer_address(framebuffer_address)
|
|
{
|
|
set_resolution(width, height, pitch);
|
|
}
|
|
|
|
void ContiguousFramebufferConsole::set_resolution(size_t width, size_t height, size_t pitch)
|
|
{
|
|
m_width = width;
|
|
m_height = height;
|
|
m_pitch = pitch;
|
|
|
|
size_t size = Memory::page_round_up(pitch * height).release_value_but_fixme_should_propagate_errors();
|
|
dbgln("Framebuffer Console: taking {} bytes", size);
|
|
auto region_or_error = MM.allocate_kernel_region(m_framebuffer_address, size, "Framebuffer Console", Memory::Region::Access::ReadWrite, Memory::Region::Cacheable::Yes);
|
|
VERIFY(!region_or_error.is_error());
|
|
m_framebuffer_region = region_or_error.release_value();
|
|
|
|
// Just to start cleanly, we clean the entire framebuffer
|
|
memset(m_framebuffer_region->vaddr().as_ptr(), 0, pitch * height);
|
|
|
|
ConsoleManagement::the().resolution_was_changed();
|
|
}
|
|
|
|
}
|