| Message ID | c5218e1f2075107abacf86f226da845ae810361a.1337232850.git.peter.crosthwaite@petalogix.com |
|---|---|
| State | New |
| Headers | show |
On Thu, May 17, 2012 at 03:37:49PM +1000, Peter A. G. Crosthwaite wrote: > Implemented the swapb and swaph byte/halfword reversal instructions added > to microblaze v8.30 > > Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> Applied, thanks Peter > --- > target-microblaze/translate.c | 12 +++++++++++- > 1 files changed, 11 insertions(+), 1 deletions(-) > > diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c > index 742b395..a362938 100644 > --- a/target-microblaze/translate.c > +++ b/target-microblaze/translate.c > @@ -743,7 +743,7 @@ static void dec_bit(DisasContext *dc) > unsigned int op; > int mem_index = cpu_mmu_index(dc->env); > > - op = dc->ir & ((1 << 8) - 1); > + op = dc->ir & ((1 << 9) - 1); > switch (op) { > case 0x21: > /* src. */ > @@ -825,6 +825,16 @@ static void dec_bit(DisasContext *dc) > gen_helper_clz(cpu_R[dc->rd], cpu_R[dc->ra]); > } > break; > + case 0x1e0: > + /* swapb */ > + LOG_DIS("swapb r%d r%d\n", dc->rd, dc->ra); > + tcg_gen_bswap32_i32(cpu_R[dc->rd], cpu_R[dc->ra]); > + break; > + case 0x1e1: > + /*swaph */ > + LOG_DIS("swaph r%d r%d\n", dc->rd, dc->ra); > + tcg_gen_rotri_i32(cpu_R[dc->rd], cpu_R[dc->ra], 16); > + break; > default: > cpu_abort(dc->env, "unknown bit oc=%x op=%x rd=%d ra=%d rb=%d\n", > dc->pc, op, dc->rd, dc->ra, dc->rb); > -- > 1.7.3.2 >
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index 742b395..a362938 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -743,7 +743,7 @@ static void dec_bit(DisasContext *dc) unsigned int op; int mem_index = cpu_mmu_index(dc->env); - op = dc->ir & ((1 << 8) - 1); + op = dc->ir & ((1 << 9) - 1); switch (op) { case 0x21: /* src. */ @@ -825,6 +825,16 @@ static void dec_bit(DisasContext *dc) gen_helper_clz(cpu_R[dc->rd], cpu_R[dc->ra]); } break; + case 0x1e0: + /* swapb */ + LOG_DIS("swapb r%d r%d\n", dc->rd, dc->ra); + tcg_gen_bswap32_i32(cpu_R[dc->rd], cpu_R[dc->ra]); + break; + case 0x1e1: + /*swaph */ + LOG_DIS("swaph r%d r%d\n", dc->rd, dc->ra); + tcg_gen_rotri_i32(cpu_R[dc->rd], cpu_R[dc->ra], 16); + break; default: cpu_abort(dc->env, "unknown bit oc=%x op=%x rd=%d ra=%d rb=%d\n", dc->pc, op, dc->rd, dc->ra, dc->rb);
Implemented the swapb and swaph byte/halfword reversal instructions added to microblaze v8.30 Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> --- target-microblaze/translate.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-)