diff options
Diffstat (limited to 'src/kernel/io/io.c')
-rw-r--r-- | src/kernel/io/io.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/kernel/io/io.c b/src/kernel/io/io.c index ad63c88..2d9d009 100644 --- a/src/kernel/io/io.c +++ b/src/kernel/io/io.c @@ -22,6 +22,20 @@ u32 inl(u16 port) return value; } +u32 cpu_flags() +{ + u32 flags; + asm volatile("pushf\n" + "pop %0\n" + : "=rm"(flags)::"memory"); + return flags; +} + +int interrupts_enabled() +{ + return (cpu_flags() & 0x200) == 0x200; +} + void cli() { asm volatile("cli"); |