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authorJia Liu <proljc@gmail.com>2012-10-24 22:17:11 +0800
committerAurelien Jarno <aurelien@aurel32.net>2012-10-31 21:37:20 +0100
commitb53371ed5d4b6a678bf524d381f80746739b7fc0 (patch)
tree81bc13e01a44ca7a307c8b21fa5f4b209aea3461 /target-mips/translate.c
parent266905602401e4aa849372bc50a71b2987157727 (diff)
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target-mips: Add ASE DSP accumulator instructions
Add MIPS ASE DSP Accumulator and DSPControl Access instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 69ef90a..fea4113 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -353,6 +353,11 @@ enum {
#if defined(TARGET_MIPS64)
OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3,
#endif
+ /* MIPS DSP Accumulator and DSPControl Access Sub-class */
+ OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3,
+#if defined(TARGET_MIPS64)
+ OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3,
+#endif
};
/* BSHFL opcodes */
@@ -564,6 +569,30 @@ enum {
OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP,
};
+#define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
+enum {
+ /* MIPS DSP Accumulator and DSPControl Access Sub-class */
+ OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP,
+ OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP,
+ OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP,
+ OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP,
+ OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP,
+ OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP,
+ OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP,
+};
+
+
+
#if defined(TARGET_MIPS64)
#define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
@@ -676,6 +705,32 @@ enum {
#endif
#if defined(TARGET_MIPS64)
+#define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
+enum {
+ /* MIPS DSP Accumulator and DSPControl Access Sub-class */
+ OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP,
+ OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP,
+ OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP,
+};
+
#define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* DSP Bit/Manipulation Sub-class */
@@ -14077,6 +14132,236 @@ static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
MIPS_DEBUG("%s", opn);
}
+static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
+ int ret, int v1, int v2, int check_ret)
+
+{
+ const char *opn = "mipsdsp accumulator";
+ TCGv t0;
+ TCGv t1;
+ TCGv v1_t;
+ TCGv v2_t;
+ int16_t imm;
+
+ if ((ret == 0) && (check_ret == 1)) {
+ /* Treat as NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ t0 = tcg_temp_new();
+ t1 = tcg_temp_new();
+ v1_t = tcg_temp_new();
+ v2_t = tcg_temp_new();
+
+ gen_load_gpr(v1_t, v1);
+ gen_load_gpr(v2_t, v2);
+
+ switch (op1) {
+ case OPC_EXTR_W_DSP:
+ check_dsp(ctx);
+ switch (op2) {
+ case OPC_EXTR_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extr_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTR_R_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTR_RS_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTR_S_H:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTRV_S_H:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_EXTRV_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_EXTRV_R_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_EXTRV_RS_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_EXTP:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extp(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTPV:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extp(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_EXTPDP:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_extpdp(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_EXTPDPV:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_SHILO:
+ imm = (ctx->opcode >> 20) & 0x3F;
+ tcg_gen_movi_tl(t0, ret);
+ tcg_gen_movi_tl(t1, imm);
+ gen_helper_shilo(t0, t1, cpu_env);
+ break;
+ case OPC_SHILOV:
+ tcg_gen_movi_tl(t0, ret);
+ gen_helper_shilo(t0, v1_t, cpu_env);
+ break;
+ case OPC_MTHLIP:
+ tcg_gen_movi_tl(t0, ret);
+ gen_helper_mthlip(t0, v1_t, cpu_env);
+ break;
+ case OPC_WRDSP:
+ imm = (ctx->opcode >> 11) & 0x3FF;
+ tcg_gen_movi_tl(t0, imm);
+ gen_helper_wrdsp(v1_t, t0, cpu_env);
+ break;
+ case OPC_RDDSP:
+ imm = (ctx->opcode >> 16) & 0x03FF;
+ tcg_gen_movi_tl(t0, imm);
+ gen_helper_rddsp(cpu_gpr[ret], t0, cpu_env);
+ break;
+ }
+ break;
+#ifdef TARGET_MIPS64
+ case OPC_DEXTR_W_DSP:
+ check_dsp(ctx);
+ switch (op2) {
+ case OPC_DMTHLIP:
+ tcg_gen_movi_tl(t0, ret);
+ gen_helper_dmthlip(v1_t, t0, cpu_env);
+ break;
+ case OPC_DSHILO:
+ {
+ int shift = (ctx->opcode >> 19) & 0x7F;
+ int ac = (ctx->opcode >> 11) & 0x03;
+ tcg_gen_movi_tl(t0, shift);
+ tcg_gen_movi_tl(t1, ac);
+ gen_helper_dshilo(t0, t1, cpu_env);
+ break;
+ }
+ case OPC_DSHILOV:
+ {
+ int ac = (ctx->opcode >> 11) & 0x03;
+ tcg_gen_movi_tl(t0, ac);
+ gen_helper_dshilo(v1_t, t0, cpu_env);
+ break;
+ }
+ case OPC_DEXTP:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+
+ gen_helper_dextp(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTPV:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextp(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTPDP:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextpdp(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTPDPV:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTR_L:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_l(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_R_L:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_RS_L:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_R_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_RS_W:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTR_S_H:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTRV_S_H:
+ tcg_gen_movi_tl(t0, v2);
+ tcg_gen_movi_tl(t1, v1);
+ gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env);
+ break;
+ case OPC_DEXTRV_L:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTRV_R_L:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTRV_RS_L:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTRV_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTRV_R_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ case OPC_DEXTRV_RS_W:
+ tcg_gen_movi_tl(t0, v2);
+ gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env);
+ break;
+ }
+ break;
+#endif
+ }
+
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(v1_t);
+ tcg_temp_free(v2_t);
+
+ (void)opn; /* avoid a compiler warning */
+ MIPS_DEBUG("%s", opn);
+}
+
/* End MIPSDSP functions. */
static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
@@ -14665,6 +14950,38 @@ static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
op2 = MASK_APPEND(ctx->opcode);
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
break;
+ case OPC_EXTR_W_DSP:
+ op2 = MASK_EXTR_W(ctx->opcode);
+ switch (op2) {
+ case OPC_EXTR_W:
+ case OPC_EXTR_R_W:
+ case OPC_EXTR_RS_W:
+ case OPC_EXTR_S_H:
+ case OPC_EXTRV_S_H:
+ case OPC_EXTRV_W:
+ case OPC_EXTRV_R_W:
+ case OPC_EXTRV_RS_W:
+ case OPC_EXTP:
+ case OPC_EXTPV:
+ case OPC_EXTPDP:
+ case OPC_EXTPDPV:
+ gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
+ break;
+ case OPC_RDDSP:
+ gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
+ break;
+ case OPC_SHILO:
+ case OPC_SHILOV:
+ case OPC_MTHLIP:
+ case OPC_WRDSP:
+ gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("MASK EXTR.W");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM ... OPC_DEXT:
case OPC_DINSM ... OPC_DINS:
@@ -14809,6 +15126,40 @@ static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
op2 = MASK_DAPPEND(ctx->opcode);
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
break;
+ case OPC_DEXTR_W_DSP:
+ op2 = MASK_DEXTR_W(ctx->opcode);
+ switch (op2) {
+ case OPC_DEXTP:
+ case OPC_DEXTPDP:
+ case OPC_DEXTPDPV:
+ case OPC_DEXTPV:
+ case OPC_DEXTR_L:
+ case OPC_DEXTR_R_L:
+ case OPC_DEXTR_RS_L:
+ case OPC_DEXTR_W:
+ case OPC_DEXTR_R_W:
+ case OPC_DEXTR_RS_W:
+ case OPC_DEXTR_S_H:
+ case OPC_DEXTRV_L:
+ case OPC_DEXTRV_R_L:
+ case OPC_DEXTRV_RS_L:
+ case OPC_DEXTRV_S_H:
+ case OPC_DEXTRV_W:
+ case OPC_DEXTRV_R_W:
+ case OPC_DEXTRV_RS_W:
+ gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
+ break;
+ case OPC_DMTHLIP:
+ case OPC_DSHILO:
+ case OPC_DSHILOV:
+ gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("MASK EXTR.W");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
case OPC_DPAQ_W_QH_DSP:
op2 = MASK_DPAQ_W_QH(ctx->opcode);
switch (op2) {