ldtr.xml */
| 15910 | |
| 15911 | /* ldtr.xml */ |
| 15912 | int LDTR(context *ctx, Instruction *instr) |
| 15913 | { |
| 15914 | int rc = DECODE_STATUS_UNMATCHED; |
| 15915 | /* class iclass_base_plus_offset */ |
| 15916 | /* size=1x|111|V=0|00|opc=01|0|imm9=xxxxxxxxx|10|Rn=xxxxx|Rt=xxxxx */ |
| 15917 | if((INSWORD & 0xBFE00C00)==0xB8400800) { |
| 15918 | decode_fields32(ENC_LDTR_32_LDST_UNPRIV, ctx, instr); |
| 15919 | ctx->wback = FALSE; |
| 15920 | ctx->postindex = FALSE; |
| 15921 | ctx->scale = UINT(ctx->size); |
| 15922 | ctx->offset = SignExtend(ctx->imm9,9); |
| 15923 | if(ctx->size==2) OK(ENC_LDTR_32_LDST_UNPRIV); |
| 15924 | if(ctx->size==3) OK(ENC_LDTR_64_LDST_UNPRIV); |
| 15925 | } |
| 15926 | /* post-decode pcode */ |
| 15927 | ctx->n = UINT(ctx->Rn); |
| 15928 | ctx->t = UINT(ctx->Rt); |
| 15929 | ctx->unpriv_at_el1 = ctx->pstate_el==EL1 && !(EL2Enabled() && HaveNVExt() && CONCAT(ctx->HCR_EL2_NV,ctx->HCR_EL2_NV1,1)==3); |
| 15930 | ctx->unpriv_at_el2 = ctx->pstate_el==EL2 && HaveVirtHostExt() && CONCAT(ctx->HCR_EL2_E2H,ctx->HCR_EL2_TGE,1)==3; |
| 15931 | ctx->user_access_override = HaveUAOExt() && ctx->pstate_uao==1; |
| 15932 | if(!ctx->user_access_override && (ctx->unpriv_at_el1 || ctx->unpriv_at_el2)) { |
| 15933 | ctx->acctype = ctx->AccType_UNPRIV; |
| 15934 | } |
| 15935 | else { |
| 15936 | ctx->acctype = ctx->AccType_NORMAL; |
| 15937 | } |
| 15938 | if(SLICE(ctx->opc,1,1)==0) { |
| 15939 | if(SLICE(ctx->opc,0,0)==1) { |
| 15940 | ctx->memop = MemOp_LOAD; |
| 15941 | }; |
| 15942 | if(ctx->size==3) { |
| 15943 | ctx->regsize = 0x40; |
| 15944 | }; |
| 15945 | ctx->signed_ = FALSE; |
| 15946 | } |
| 15947 | else { |
| 15948 | if(ctx->size==3) { |
| 15949 | UNDEFINED; |
| 15950 | } |
| 15951 | else { |
| 15952 | ctx->memop = MemOp_LOAD; |
| 15953 | if(ctx->size==2 && SLICE(ctx->opc,0,0)==1) { |
| 15954 | UNDEFINED; |
| 15955 | } |
| 15956 | if(SLICE(ctx->opc,0,0)==1) { |
| 15957 | ctx->regsize = 0x20; |
| 15958 | }; |
| 15959 | ctx->signed_ = TRUE; |
| 15960 | } |
| 15961 | } |
| 15962 | ctx->datasize = (8) << (ctx->scale); |
| 15963 | ctx->tag_checked = ctx->memop!=MemOp_PREFETCH && (ctx->wback || ctx->n!=0x1f); |
| 15964 | ctx->wb_unknown = FALSE; |
| 15965 | ctx->rt_unknown = FALSE; |
| 15966 | if(ctx->memop==MemOp_LOAD && ctx->wback && ctx->n==ctx->t && ctx->n!=0x1f) { |
| 15967 | // assignment from ConstrainUnpredictable() |
| 15968 | // assert |
| 15969 | // switch on constraint |
no test coverage detected