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/*
* 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;
dbgln("Framebuffer Console: taking {} bytes", page_round_up(pitch * height));
m_framebuffer_region = MM.allocate_kernel_region(m_framebuffer_address, page_round_up(pitch * height), "Framebuffer Console", Region::Access::Read | Region::Access::Write, Region::Cacheable::Yes);
VERIFY(m_framebuffer_region);
// Just to start cleanly, we clean the entire framebuffer
memset(m_framebuffer_region->vaddr().as_ptr(), 0, pitch * height);
ConsoleManagement::the().resolution_was_changed();
}
}
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