Messages in this thread Patch in this message | | | From | Joe Damato <> | Subject | [PATCH 1/2] x86: Add getter/setter static inlines for x86 descriptors | Date | Sun, 29 Mar 2009 14:21:41 -0700 |
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Static inline getters/setters have been provided to encourage consumers not to touch the internals of 32bit x86 descriptors directly.
Signed-off-by: Joe Damato <ice799@gmail.com> --- arch/x86/include/asm/desc.h | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index dc27705..c62cf93 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -44,6 +44,26 @@ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) return per_cpu(gdt_page, cpu).gdt; } +static inline void desc_set_lo(struct desc_struct *d, unsigned int lo) +{ + d->a = lo; +} + +static inline void desc_set_hi(struct desc_struct *d, unsigned int hi) +{ + d->b = hi; +} + +static inline unsigned int desc_get_lo(const struct desc_struct *d) +{ + return d->a; +} + +static inline unsigned int desc_get_hi(const struct desc_struct *d) +{ + return d->b; +} + #ifdef CONFIG_X86_64 static inline void pack_gate(gate_desc *gate, unsigned type, unsigned long func, -- 1.6.2
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