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std_lib/vmm_atomic_gen.sv unexpanded source
00001: // 00002: // ------------------------------------------------------------- 00003: // Copyright 2004-2008 Synopsys, Inc. 00004: // All Rights Reserved Worldwide 00005: // 00006: // Licensed under the Apache License, Version 2.0 (the 00007: // "License"); you may not use this file except in 00008: // compliance with the License. You may obtain a copy of 00009: // the License at 00010: // 00011: // http://www.apache.org/licenses/LICENSE-2.0 00012: // 00013: // Unless required by applicable law or agreed to in 00014: // writing, software distributed under the License is 00015: // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 00016: // CONDITIONS OF ANY KIND, either express or implied. See 00017: // the License for the specific language governing 00018: // permissions and limitations under the License. 00019: // ------------------------------------------------------------- 00020: // 00021: 00022: 00023: `define vmm_atomic_gen_(class) class``_atomic_gen : 00024: `define vmm_atomic_gen_callbacks_(class) class``_atomic_gen_callbacks : 00025: 00026: 00027: `define vmm_atomic_gen(class_name, text) \ 00028: `vmm_atomic_gen_using(class_name, class_name``_channel, text) : 00029: 00030: `define vmm_atomic_gen_using(class_name, channel_name, text) \ 00031: \ 00032: typedef class `vmm_atomic_gen_(class_name); \ 00033: class `vmm_atomic_gen_callbacks_(class_name) extends vmm_xactor_callbacks; \ 00034: virtual task post_inst_gen(`vmm_atomic_gen_(class_name) gen, \ 00035: class_name obj, \ 00036: ref bit drop); \ 00037: endtask \ 00038: endclass \ 00039: \ 00040: \ 00041: class `vmm_atomic_gen_(class_name) extends `VMM_XACTOR; \ 00042: \ 00043: int unsigned stop_after_n_insts; \ 00044: \ 00045: typedef enum int {GENERATED, \ 00046: DONE} symbols_e; \ 00047: \ 00048: \ 00049: class_name randomized_obj; \ 00050: \ 00051: channel_name out_chan; \ 00052: \ 00053: local int scenario_count; \ 00054: local int obj_count; \ 00055: \ 00056: function new(string inst, \ 00057: int stream_id = -1, \ 00058: channel_name out_chan = null `VMM_XACTOR_NEW_ARGS); \ 00059: super.new({text, " Atomic Generator"}, inst, stream_id `VMM_XACTOR_NEW_CALL); \ 00060: \ 00061: if (out_chan == null) begin \ 00062: out_chan = new({text, " Atomic Generator output channel"}, \ 00063: inst); \ 00064: end \ 00065: this.out_chan = out_chan; \ 00066: this.log.is_above(this.out_chan.log); \ 00067: \ 00068: this.scenario_count = 0; \ 00069: this.obj_count = 0; \ 00070: this.stop_after_n_insts = 0; \ 00071: \ 00072: this.notify.configure(GENERATED, vmm_notify::ONE_SHOT); \ 00073: this.notify.configure(DONE, vmm_notify::ON_OFF); \ 00074: \ 00075: this.randomized_obj = new; \ 00076: endfunction: new \ 00077: \ 00078: virtual task inject(class_name obj, \ 00079: ref bit dropped); \ 00080: dropped = 0; \ 00081: \ 00082: `vmm_callback(`vmm_atomic_gen_callbacks_(class_name), \ 00083: post_inst_gen(this, obj, dropped)); \ 00084: \ 00085: if (!dropped) begin \ 00086: this.obj_count++; \ 00087: this.notify.indicate(GENERATED, obj); \ 00088: this.out_chan.put(obj); \ 00089: end \ 00090: endtask: inject \ 00091: \ 00092: virtual function void reset_xactor(reset_e rst_typ = SOFT_RST); \ 00093: super.reset_xactor(rst_typ); \ 00094: \ 00095: this.out_chan.flush(); \ 00096: this.scenario_count = 0; \ 00097: this.obj_count = 0; \ 00098: \ 00099: if (rst_typ >= FIRM_RST) begin \ 00100: this.notify.reset( , vmm_notify::HARD); \ 00101: end \ 00102: \ 00103: if (rst_typ >= HARD_RST) begin \ 00104: this.stop_after_n_insts = 0; \ 00105: this.randomized_obj = new; \ 00106: end \ 00107: endfunction: reset_xactor \ 00108: \ 00109: virtual protected task main(); \ 00110: bit dropped; \ 00111: \ 00112: fork \ 00113: super.main(); \ 00114: join_none \ 00115: \ 00116: while (this.stop_after_n_insts <= 0 || \ 00117: this.obj_count < this.stop_after_n_insts) begin \ 00118: \ 00119: this.wait_if_stopped(); \ 00120: \ 00121: this.randomized_obj.stream_id = this.stream_id; \ 00122: this.randomized_obj.scenario_id = this.scenario_count; \ 00123: this.randomized_obj.data_id = this.obj_count; \ 00124: \ 00125: if (!this.randomized_obj.randomize()) begin \ 00126: `vmm_fatal(this.log, "Cannot randomize atomic instance"); \ 00127: continue; \ 00128: end \ 00129: \ 00130: begin \ 00131: class_name obj; \ 00132: \ 00133: $cast(obj, this.randomized_obj.copy()); \ 00134: this.inject(obj, dropped); \ 00135: end \ 00136: end \ 00137: \ 00138: this.notify.indicate(DONE); \ 00139: this.notify.indicate(XACTOR_STOPPED); \ 00140: this.notify.indicate(XACTOR_IDLE); \ 00141: this.notify.reset(XACTOR_BUSY); \ 00142: this.scenario_count++; \ 00143: endtask: main \ 00144: \ 00145: endclass :