RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 03:57:43 +00:00
Code Issues Activity Actions

Kernel: Support multiport for VirtIOConsole

Browse source 
This involves refactoring VirtIOConsole into VirtIOConsole and
VirtIOConsolePort. VirtIOConsole is the VirtIODevice, it owns multiple
VirtIOConsolePorts as well as two control queues. Each
VirtIOConsolePort is a CharacterDevice.
This commit is contained in:
x-yl 2021-06-23 15:19:24 +04:00 • committed by Ali Mohammad Pur
parent 1492bb2fd6
commit 1fe08759e3
6 changed files with 419 additions and 126 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Kernel/VM/RingBuffer.h
View file

@ -8,6 +8,7 @@
#include <AK/String.h>
#include <Kernel/PhysicalAddress.h>
#include <Kernel/UserOrKernelBuffer.h>
namespace Kernel {
@ -25,6 +26,8 @@ public:
SpinLock<u8>& lock() { return m_lock; }
size_t used_bytes() const { return m_num_used_bytes; }
PhysicalAddress start_of_region() const { return m_region->physical_page(0)->paddr(); }
VirtualAddress vaddr() const { return m_region->vaddr(); }
size_t bytes_till_end() const { return (m_capacity_in_bytes - ((m_start_of_used + m_num_used_bytes) % m_capacity_in_bytes)) % m_capacity_in_bytes; };
private:
OwnPtr<Region> m_region;