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Diffstat (limited to 'target/microblaze/translate.c')
-rw-r--r--target/microblaze/translate.c58
1 files changed, 46 insertions, 12 deletions
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 582f5a1577..2c87d671ae 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -1560,33 +1560,68 @@ static void dec_null(DisasContext *dc)
}
/* Insns connected to FSL or AXI stream attached devices. */
-static void dec_stream(DisasContext *dc)
+static bool do_get(DisasContext *dc, int rd, int rb, int imm, int ctrl)
{
TCGv_i32 t_id, t_ctrl;
- int ctrl;
if (trap_userspace(dc, true)) {
- return;
+ return true;
}
t_id = tcg_temp_new_i32();
- if (dc->type_b) {
- tcg_gen_movi_i32(t_id, dc->imm & 0xf);
- ctrl = dc->imm >> 10;
+ if (rb) {
+ tcg_gen_andi_i32(t_id, cpu_R[rb], 0xf);
} else {
- tcg_gen_andi_i32(t_id, cpu_R[dc->rb], 0xf);
- ctrl = dc->imm >> 5;
+ tcg_gen_movi_i32(t_id, imm);
}
t_ctrl = tcg_const_i32(ctrl);
+ gen_helper_get(reg_for_write(dc, rd), t_id, t_ctrl);
+ tcg_temp_free_i32(t_id);
+ tcg_temp_free_i32(t_ctrl);
+ return true;
+}
+
+static bool trans_get(DisasContext *dc, arg_get *arg)
+{
+ return do_get(dc, arg->rd, 0, arg->imm, arg->ctrl);
+}
+
+static bool trans_getd(DisasContext *dc, arg_getd *arg)
+{
+ return do_get(dc, arg->rd, arg->rb, 0, arg->ctrl);
+}
+
+static bool do_put(DisasContext *dc, int ra, int rb, int imm, int ctrl)
+{
+ TCGv_i32 t_id, t_ctrl;
+
+ if (trap_userspace(dc, true)) {
+ return true;
+ }
- if (dc->rd == 0) {
- gen_helper_put(t_id, t_ctrl, cpu_R[dc->ra]);
+ t_id = tcg_temp_new_i32();
+ if (rb) {
+ tcg_gen_andi_i32(t_id, cpu_R[rb], 0xf);
} else {
- gen_helper_get(cpu_R[dc->rd], t_id, t_ctrl);
+ tcg_gen_movi_i32(t_id, imm);
}
+
+ t_ctrl = tcg_const_i32(ctrl);
+ gen_helper_put(t_id, t_ctrl, reg_for_read(dc, ra));
tcg_temp_free_i32(t_id);
tcg_temp_free_i32(t_ctrl);
+ return true;
+}
+
+static bool trans_put(DisasContext *dc, arg_put *arg)
+{
+ return do_put(dc, arg->ra, 0, arg->imm, arg->ctrl);
+}
+
+static bool trans_putd(DisasContext *dc, arg_putd *arg)
+{
+ return do_put(dc, arg->ra, arg->rb, 0, arg->ctrl);
}
static struct decoder_info {
@@ -1596,7 +1631,6 @@ static struct decoder_info {
};
void (*dec)(DisasContext *dc);
} decinfo[] = {
- {DEC_STREAM, dec_stream},
{{0, 0}, dec_null}
};