From 46aa848ffb008ac7da4b3760a38eb7e9a2075308 Mon Sep 17 00:00:00 2001 From: Bastian Koppelmann Date: Mon, 1 Sep 2014 12:59:53 +0100 Subject: [PATCH] target-tricore: Add instructions of SSR opcode format Add instructions of SSR opcode format. Signed-off-by: Bastian Koppelmann Reviewed-by: Richard Henderson Message-id: 1409572800-4116-9-git-send-email-kbastian@mail.uni-paderborn.de Signed-off-by: Peter Maydell --- target-tricore/translate.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 717a42d..d8e23fc 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -471,6 +471,45 @@ 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; @@ -518,6 +557,17 @@ 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; } } -- 2.7.4