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-rw-r--r--Kernel/Arch/i386/CPU.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/Kernel/Arch/i386/CPU.h b/Kernel/Arch/i386/CPU.h
index 5fa9057bb1..27d7d132f4 100644
--- a/Kernel/Arch/i386/CPU.h
+++ b/Kernel/Arch/i386/CPU.h
@@ -289,6 +289,21 @@ private:
u32 m_flags;
};
+inline bool cli_and_save_interrupt_flag()
+{
+ u32 flags = cpu_flags();
+ cli();
+ return flags & 0x200;
+}
+
+inline void restore_interrupt_flag(bool flag)
+{
+ if (flag)
+ sti();
+ else
+ cli();
+}
+
class InterruptDisabler {
public:
InterruptDisabler()