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microblaze: Catch illegal insns and privilege violations.

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Raise illegal instruction exceptions when executing instructions that
require units not available on the particulare microblaze configuration.

Also trap priviliege violations made by userspace.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2009-09-03 11:12:30 +02:00
parent cedb936bfc
commit 1567a00568
2 changed files with 111 additions and 1 deletions
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1
target-microblaze/microblaze-decode.h
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@ -41,6 +41,7 @@
#define DEC_BARREL {B8(00010001), B8(00110111)}
#define DEC_MUL {B8(00010000), B8(00110111)}
#define DEC_DIV {B8(00010010), B8(00110111)}
#define DEC_FPU {B8(00111111), B8(00010110)}
#define DEC_LD {B8(00110000), B8(00110100)}
#define DEC_ST {B8(00110100), B8(00110100)}