Add instructions of SSR opcode format.
Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de>
---
v1 -> v2:
- Remove AND in ST_B and ST_H instructions.
- Load/Store instructions now use new TCGMemOp.
- Move SSR instructions to one decode function.
target-tricore/translate.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 20ff6d7..4206a8a 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -330,6 +330,45 @@ static void decode_srr_opc(DisasContext *ctx, int op1)
}
}
+static void decode_ssr_opc(DisasContext *ctx, int op1)
+{
+ int r1, r2;
+
+ r1 = MASK_OP_SSR_S1(ctx->opcode);
+ r2 = MASK_OP_SSR_S2(ctx->opcode);
+
+ switch (op1) {
+ case OPC1_16_SSR_ST_A:
+ tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUL);
+ break;
+ case OPC1_16_SSR_ST_A_POSTINC:
+ tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUL);
+ tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
+ break;
+ case OPC1_16_SSR_ST_B:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
+ break;
+ case OPC1_16_SSR_ST_B_POSTINC:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
+ tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 1);
+ break;
+ case OPC1_16_SSR_ST_H:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUW);
+ break;
+ case OPC1_16_SSR_ST_H_POSTINC:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUW);
+ tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 2);
+ break;
+ case OPC1_16_SSR_ST_W:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUL);
+ break;
+ case OPC1_16_SSR_ST_W_POSTINC:
+ tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
MO_LEUL);
+ tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
+ break;
+ }
+}
+
static void decode_16Bit_opc(CPUTRICOREState *env, DisasContext *ctx)
{
int op1;
@@ -378,6 +417,17 @@ static void decode_16Bit_opc(CPUTRICOREState *env,
DisasContext *ctx)
case OPC1_16_SRR_XOR:
decode_srr_opc(ctx, op1);
break;
+/* SSR-format */
+ case OPC1_16_SSR_ST_A:
+ case OPC1_16_SSR_ST_A_POSTINC:
+ case OPC1_16_SSR_ST_B:
+ case OPC1_16_SSR_ST_B_POSTINC:
+ case OPC1_16_SSR_ST_H:
+ case OPC1_16_SSR_ST_H_POSTINC:
+ case OPC1_16_SSR_ST_W:
+ case OPC1_16_SSR_ST_W_POSTINC:
+ decode_ssr_opc(ctx, op1);
+ break;
}
}
--
2.0.1
