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Diffstat (limited to 'Kernel/Arch/i386/CPU.h')
| -rw-r--r-- | Kernel/Arch/i386/CPU.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Kernel/Arch/i386/CPU.h b/Kernel/Arch/i386/CPU.h index 39168b3be7..c5883caa51 100644 --- a/Kernel/Arch/i386/CPU.h +++ b/Kernel/Arch/i386/CPU.h @@ -44,6 +44,12 @@ class PageDirectory; class PageTableEntry; static constexpr u32 safe_eflags_mask = 0xdff; +static constexpr u32 iopl_mask = 3u << 12; + +inline u32 get_iopl_from_eflags(u32 eflags) +{ + return (eflags & iopl_mask) >> 12; +} struct [[gnu::packed]] DescriptorTablePointer { |