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Kernel: Rewrite whole device structure

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We now have DevFileSystem which is derived from RamFileSystem. All
devices are RamInodes. We don't have separate DeviceManager anymore.
To iterate over devices, you can loop througn every inode in devfs.
This commit is contained in:
Bananymous
2023-07-10 23:17:14 +03:00
parent f88b9ae4f2
commit 9bcfb34524
34 changed files with 334 additions and 408 deletions
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15
kernel/kernel/Terminal/TTY.cpp
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@@ -2,12 +2,14 @@
#include <BAN/ScopeGuard.h>
#include <BAN/UTF8.h>
#include <kernel/Debug.h>
#include <kernel/FS/DevFS/FileSystem.h>
#include <kernel/LockGuard.h>
#include <kernel/Process.h>
#include <kernel/Terminal/TTY.h>
#include <fcntl.h>
#include <string.h>
#include <sys/sysmacros.h>
#define BEL 0x07
#define BS 0x08
@@ -26,7 +28,7 @@ namespace Kernel
static dev_t next_tty_rdev()
{
static dev_t major = DeviceManager::get().get_next_rdev();
static dev_t major = DevFileSystem::get().get_next_rdev();
static dev_t minor = 1;
return makedev(major, minor++);
}
@@ -34,7 +36,8 @@ namespace Kernel
static TTY* s_tty = nullptr;
TTY::TTY(TerminalDriver* driver)
: m_terminal_driver(driver)
: CharacterDevice(0444, 0, 0)
, m_terminal_driver(driver)
{
m_width = m_terminal_driver->width();
m_height = m_terminal_driver->height();
@@ -54,8 +57,12 @@ namespace Kernel
void TTY::initialize_device()
{
m_rdev = next_tty_rdev();
m_name = BAN::String::formatted("tty{}", minor(m_rdev));
DeviceManager::get().add_device(this);
char name[5] { 't', 't', 'y', '1', '\0'};
name[3] += minor(m_rdev);
ASSERT(minor(m_rdev) < 10);
DevFileSystem::get().add_device(name, this);
if (s_input_process)
return;