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Kernel: DeviceManager is now a 'FileSystem' so it can expose devices

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Shell reads keyboard through /dev/input :)
This commit is contained in:
Bananymous
2023-03-29 11:50:46 +03:00
parent cd0d10b64e
commit 62fb233eb1
9 changed files with 135 additions and 25 deletions
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19
kernel/kernel/FS/VirtualFileSystem.cpp
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@@ -1,5 +1,6 @@
#include <BAN/StringView.h>
#include <BAN/Vector.h>
#include <kernel/Device.h>
#include <kernel/FS/Ext2.h>
#include <kernel/FS/VirtualFileSystem.h>
#include <kernel/PCI.h>
@@ -112,15 +113,14 @@ namespace Kernel
if (!root_inode())
derrorln("Could not locate root partition");
TRY(mount(&DeviceManager::get(), "/dev"));
return {};
}
BAN::ErrorOr<void> VirtualFileSystem::mount_test()
{
auto mount = TRY(root_inode()->read_directory_inode("mnt"sv));
if (!mount->ifdir())
return BAN::Error::from_errno(ENOTDIR);
for (auto* controller : m_storage_controllers)
{
for (auto* device : controller->devices())
@@ -130,12 +130,21 @@ namespace Kernel
if (partition.name() == "mount-test"sv)
{
auto ext2fs = TRY(Ext2FS::create(partition));
TRY(m_mount_points.push_back({ mount, ext2fs }));
TRY(mount(ext2fs, "/mnt"sv));
return {};
}
}
}
}
return BAN::Error::from_c_string("Could not find mount-test partition");
}
BAN::ErrorOr<void> VirtualFileSystem::mount(FileSystem* file_system, BAN::StringView path)
{
auto file = TRY(file_from_absolute_path(path));
if (!file.inode->ifdir())
return BAN::Error::from_errno(ENOTDIR);
TRY(m_mount_points.push_back({ file.inode, file_system }));
return {};
}