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Kernel: Replace CriticalScope with SpinLock in SerialTTY

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Bananymous
2024-02-29 13:06:36 +02:00
parent 90878a7c2b
commit 51e38b7614
2 changed files with 4 additions and 2 deletions
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1
kernel/include/kernel/Terminal/Serial.h
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@@ -62,6 +62,7 @@ namespace Kernel
BAN::String m_name; BAN::String m_name;
Serial m_serial; Serial m_serial;
BAN::CircularQueue<uint8_t, 128> m_input; BAN::CircularQueue<uint8_t, 128> m_input;
SpinLock m_input_lock;
public: public:
virtual dev_t rdev() const override { return m_rdev; } virtual dev_t rdev() const override { return m_rdev; }

5
kernel/kernel/Terminal/Serial.cpp
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@@ -1,5 +1,4 @@
#include <BAN/Array.h> #include <BAN/Array.h>
#include <kernel/CriticalScope.h>
#include <kernel/Device/DeviceNumbers.h> #include <kernel/Device/DeviceNumbers.h>
#include <kernel/FS/DevFS/FileSystem.h> #include <kernel/FS/DevFS/FileSystem.h>
#include <kernel/IDT.h> #include <kernel/IDT.h>
@@ -219,6 +218,8 @@ namespace Kernel
void SerialTTY::handle_irq() void SerialTTY::handle_irq()
{ {
uint8_t ch = IO::inb(m_serial.port()); uint8_t ch = IO::inb(m_serial.port());
SpinLockGuard _(m_input_lock);
if (m_input.full()) if (m_input.full())
{ {
dwarnln("Serial buffer full"); dwarnln("Serial buffer full");
@@ -235,7 +236,7 @@ namespace Kernel
uint8_t buffer[128]; uint8_t buffer[128];
{ {
CriticalScope _; SpinLockGuard _(m_input_lock);
if (m_input.empty()) if (m_input.empty())
return; return;
uint8_t* ptr = buffer; uint8_t* ptr = buffer;