Refactor pack_descriptor to use fields in the struct instead of bitmasks
Signed-off-by: Joe Damato <ice799@xxxxxxxxx>
---
include/asm-x86/desc.h | 18 +++++++++++++-----
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 6b4f3e6..ac9aad5 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -151,11 +151,19 @@ static inline void pack_descriptor(struct desc_struct *desc, unsigned long base,
unsigned long limit, unsigned char type,
unsigned char flags)
{
- desc->a = ((base & 0xffff) << 16) | (limit & 0xffff);
- desc->b = (base & 0xff000000) | ((base & 0xff0000) >> 16) |
- (limit & 0x000f0000) | ((type & 0xff) << 8) |
- ((flags & 0xf) << 20);
- desc->p = 1;
+ desc->limit0 = limit & 0xffff;
+ desc->base0 = base & 0xffff;
+ desc->base1 = (base >> 16) & 0xff;
+ desc->base2 = (base >> 24) & 0xff;
+ desc->type = type;
+ desc->s = 0;
+ desc->dpl = 0;
+ desc->p = 1;
+ desc->limit = (limit >> 16) & 0xf;
+ desc->avl = flags & 0x1;
+ desc->l = (flags & 0x2) >> 1;
+ desc->d = (flags & 0x4) >> 2;
+ desc->g = (flags & 0x8) >> 3;
}
--
1.5.4.3
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