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authorAurelien Jarno <aurelien@aurel32.net>2013-01-01 18:02:23 +0100
committerAurelien Jarno <aurelien@aurel32.net>2013-01-31 23:29:36 +0100
commitad153f153da08f5e08bc8e433c0070af53e34e0a (patch)
treeed063d1f4b6903aeb2ac7961392fb3e138626331 /target-mips
parentd75c135e6b6255787dfc01ce997862d820ed1d36 (diff)
target-mips: generate a reserved instruction exception on CPU without DSP
On CPU without DSP ASE support, a reserved instruction exception (instead of a DSP ASE sate disabled) should be generated. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/translate.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index aad5ae4b14..99f3492de2 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1394,14 +1394,22 @@ static inline void check_cp1_registers(DisasContext *ctx, int regs)
static inline void check_dsp(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) {
- generate_exception(ctx, EXCP_DSPDIS);
+ if (ctx->insn_flags & ASE_DSP) {
+ generate_exception(ctx, EXCP_DSPDIS);
+ } else {
+ generate_exception(ctx, EXCP_RI);
+ }
}
}
static inline void check_dspr2(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSPR2))) {
- generate_exception(ctx, EXCP_DSPDIS);
+ if (ctx->insn_flags & ASE_DSP) {
+ generate_exception(ctx, EXCP_DSPDIS);
+ } else {
+ generate_exception(ctx, EXCP_RI);
+ }
}
}