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Kernel: Move x86 Bochs VBE code to the Arch/x86 directory

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To do this, we make the QEMUDisplayConnector class more standalone so it
does not need to inherit from the BochsDisplayConnector class.
This commit is contained in:
Liav A 2022-09-03 12:30:39 +03:00 • committed by Linus Groh
parent c50a81e93e
commit 8d6da9863f
7 changed files with 86 additions and 13 deletions
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49
Kernel/Graphics/Bochs/QEMUDisplayConnector.cpp
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@ -7,6 +7,7 @@
#include <Kernel/Debug.h>
#include <Kernel/Devices/DeviceManagement.h>
#include <Kernel/Graphics/Bochs/QEMUDisplayConnector.h>
#include <Kernel/Graphics/Console/ContiguousFramebufferConsole.h>
#include <Kernel/Graphics/GraphicsManagement.h>
#include <LibEDID/Definitions.h>
@ -31,8 +32,54 @@ ErrorOr<void> QEMUDisplayConnector::fetch_and_initialize_edid()
return {};
}
ErrorOr<void> QEMUDisplayConnector::create_attached_framebuffer_console()
{
// We assume safe resolution is 1024x768x32
m_framebuffer_console = Graphics::ContiguousFramebufferConsole::initialize(m_framebuffer_address.value(), 1024, 768, 1024 * sizeof(u32));
GraphicsManagement::the().set_console(*m_framebuffer_console);
return {};
}
void QEMUDisplayConnector::enable_console()
{
VERIFY(m_control_lock.is_locked());
VERIFY(m_framebuffer_console);
m_framebuffer_console->enable();
}
void QEMUDisplayConnector::disable_console()
{
VERIFY(m_control_lock.is_locked());
VERIFY(m_framebuffer_console);
m_framebuffer_console->disable();
}
ErrorOr<void> QEMUDisplayConnector::flush_first_surface()
{
return Error::from_errno(ENOTSUP);
}
ErrorOr<void> QEMUDisplayConnector::set_safe_mode_setting()
{
DisplayConnector::ModeSetting safe_mode_set {
.horizontal_stride = 1024 * sizeof(u32),
.pixel_clock_in_khz = 0, // Note: There's no pixel clock in paravirtualized hardware
.horizontal_active = 1024,
.horizontal_front_porch_pixels = 0, // Note: There's no horizontal_front_porch_pixels in paravirtualized hardware
.horizontal_sync_time_pixels = 0, // Note: There's no horizontal_sync_time_pixels in paravirtualized hardware
.horizontal_blank_pixels = 0, // Note: There's no horizontal_blank_pixels in paravirtualized hardware
.vertical_active = 768,
.vertical_front_porch_lines = 0, // Note: There's no vertical_front_porch_lines in paravirtualized hardware
.vertical_sync_time_lines = 0, // Note: There's no vertical_sync_time_lines in paravirtualized hardware
.vertical_blank_lines = 0, // Note: There's no vertical_blank_lines in paravirtualized hardware
.horizontal_offset = 0,
.vertical_offset = 0,
};
return set_mode_setting(safe_mode_set);
}
QEMUDisplayConnector::QEMUDisplayConnector(PhysicalAddress framebuffer_address, size_t framebuffer_resource_size, Memory::TypedMapping<BochsDisplayMMIORegisters volatile> registers_mapping)
: BochsDisplayConnector(framebuffer_address, framebuffer_resource_size)
: DisplayConnector(framebuffer_address, framebuffer_resource_size, false)
, m_registers(move(registers_mapping))
{
}