ldtrsh.xml */
| 16180 | |
| 16181 | /* ldtrsh.xml */ |
| 16182 | int LDTRSH(context *ctx, Instruction *instr) |
| 16183 | { |
| 16184 | int rc = DECODE_STATUS_UNMATCHED; |
| 16185 | /* class iclass_base_plus_offset */ |
| 16186 | /* size=01|111|V=0|00|opc=1x|0|imm9=xxxxxxxxx|10|Rn=xxxxx|Rt=xxxxx */ |
| 16187 | if((INSWORD & 0xFFA00C00)==0x78800800) { |
| 16188 | decode_fields32(ENC_LDTRSH_32_LDST_UNPRIV, ctx, instr); |
| 16189 | ctx->wback = FALSE; |
| 16190 | ctx->postindex = FALSE; |
| 16191 | ctx->scale = UINT(ctx->size); |
| 16192 | ctx->offset = SignExtend(ctx->imm9,9); |
| 16193 | if(ctx->opc==3) OK(ENC_LDTRSH_32_LDST_UNPRIV); |
| 16194 | if(ctx->opc==2) OK(ENC_LDTRSH_64_LDST_UNPRIV); |
| 16195 | } |
| 16196 | /* post-decode pcode */ |
| 16197 | ctx->n = UINT(ctx->Rn); |
| 16198 | ctx->t = UINT(ctx->Rt); |
| 16199 | ctx->unpriv_at_el1 = ctx->pstate_el==EL1 && !(EL2Enabled() && HaveNVExt() && CONCAT(ctx->HCR_EL2_NV,ctx->HCR_EL2_NV1,1)==3); |
| 16200 | ctx->unpriv_at_el2 = ctx->pstate_el==EL2 && HaveVirtHostExt() && CONCAT(ctx->HCR_EL2_E2H,ctx->HCR_EL2_TGE,1)==3; |
| 16201 | ctx->user_access_override = HaveUAOExt() && ctx->pstate_uao==1; |
| 16202 | if(!ctx->user_access_override && (ctx->unpriv_at_el1 || ctx->unpriv_at_el2)) { |
| 16203 | ctx->acctype = ctx->AccType_UNPRIV; |
| 16204 | } |
| 16205 | else { |
| 16206 | ctx->acctype = ctx->AccType_NORMAL; |
| 16207 | } |
| 16208 | if(SLICE(ctx->opc,1,1)==0) { |
| 16209 | if(SLICE(ctx->opc,0,0)==1) { |
| 16210 | ctx->memop = MemOp_LOAD; |
| 16211 | }; |
| 16212 | if(ctx->size==3) { |
| 16213 | ctx->regsize = 0x40; |
| 16214 | }; |
| 16215 | ctx->signed_ = FALSE; |
| 16216 | } |
| 16217 | else { |
| 16218 | if(ctx->size==3) { |
| 16219 | UNDEFINED; |
| 16220 | } |
| 16221 | else { |
| 16222 | ctx->memop = MemOp_LOAD; |
| 16223 | if(ctx->size==2 && SLICE(ctx->opc,0,0)==1) { |
| 16224 | UNDEFINED; |
| 16225 | } |
| 16226 | if(SLICE(ctx->opc,0,0)==1) { |
| 16227 | ctx->regsize = 0x20; |
| 16228 | }; |
| 16229 | ctx->signed_ = TRUE; |
| 16230 | } |
| 16231 | } |
| 16232 | ctx->datasize = (8) << (ctx->scale); |
| 16233 | ctx->tag_checked = ctx->memop!=MemOp_PREFETCH && (ctx->wback || ctx->n!=0x1f); |
| 16234 | ctx->wb_unknown = FALSE; |
| 16235 | ctx->rt_unknown = FALSE; |
| 16236 | if(ctx->memop==MemOp_LOAD && ctx->wback && ctx->n==ctx->t && ctx->n!=0x1f) { |
| 16237 | // assignment from ConstrainUnpredictable() |
| 16238 | // assert |
| 16239 | // switch on constraint |
no test coverage detected