Open-Source Projects: Issueshttps://forge.ispras.ru/https://forge.ispras.ru/favicon.ico?16490126692023-03-06T15:03:36ZOpen-Source Projects
Redmine MicroTESK - Bug #12223 (New): Конфликт инструкций с разными модификаторами (op, internal op) и с ...https://forge.ispras.ru/issues/122232023-03-06T15:03:36ZAlexander Protsenkoprotsenko@ispras.ru
<p>Пример:<br /><pre>
op ands_bitmask (rd: REG, rn: REG, N: BIT, imms: card(6), immr: card(6))
internal op ands_bitmask_32n (rd: REG_32, rn: REG_32, N: BIT, imms: card(6), immr: card(6))
init = {}
syntax = format("ands %s, %s, %s", rd.syntax, rn.syntax, lsx(sf_53, wmask).syntax)
image = format("%22s%5s%5s", lix(sf_53, N, imms, immr, opc_53).image, rn.image, rd.image)
action = {}
</pre><br />Спецификация собирается, но инструкция ands_bitmask не доступна в шаблонах.</p> MicroTESK - Task #12027 (New): SMT Solvers: CVC4 -> CVC5https://forge.ispras.ru/issues/120272022-11-02T10:34:51ZAlexander Protsenkoprotsenko@ispras.ru
<p>Обновить используемый в инструменте MicroTESK SMT Solvers CVC4 до CVC5.</p> MicroTESK - Bug #11695 (New): error: cannot find symbol (зависимость mode от op)https://forge.ispras.ru/issues/116952022-06-28T10:27:08ZAlexander Protsenkoprotsenko@ispras.ru
<p>Описание ошибки:<br /><pre>
internal op imm4_syntax_i32(imm: imm4)
init = {}
syntax = format("0x%x", sign_extend(i32, imm))
mode BRANCH_IMM4(imm: int(4)) = imm
init = {
jump_imm4 = imm;
}
syntax = format("%s", imm4_syntax_i32(imm).syntax)
image = format("%s", imm)
</pre></p>
<p>Ошибка:<br /><pre>
mode\BRANCH_IMM4.java:72: error: cannot find symbol
return String.format("%s", new imm4_syntax_i32(imm).text(vars__));
^
symbol: class imm4_syntax_i32
location: class BRANCH_IMM4
</pre></p>
<p>В BRANCH_IMM4.java отсутствует импорт imm4_syntax_i32.</p> MicroTESK - Developer Request #11661 (New): Загрузка данных в память через modehttps://forge.ispras.ru/issues/116612022-06-15T08:15:03ZAlexander Protsenkoprotsenko@ispras.ru
<p>Это будет полезно для спецификации виртуальных машин и позволит заменить загрузку данных через псевдо операции.</p>
<p>Например:<br /><pre>
mode F(i: card(4), a: card(4), b: card(4), c: card(4)) = FMEM[i..i+2]
</pre></p>
<p>Возможно, стоит это сделать с использованием структур:<br /><pre>
struct f_structure (
i: card(4),
a: card(4),
b: card(4),
c: card(4)
)
mode F(v: f_structure): {FMEM[f_structure.i] = f_structure}
</pre></p>
<p>Нужно понять, возможно ли добавить это в инструмент.</p> MicroTESK - Bug #11654 (New): Или правило для регистров может вызывать ошибку "error: incompatibl...https://forge.ispras.ru/issues/116542022-06-14T14:03:59ZAlexander Protsenkoprotsenko@ispras.ru
<p>Ниже приведен код для модели minimips для воссоздания ошибки:<br />Регистр:<br /><pre>
mode REG (i: INDEX) = GPR[i]
init = { tmp = i; }
// This is just to demonstrate the decode attribute
decode = { i = tmp; }
syntax = format("$%d", tmp)
image = format("%s", tmp)
mode REG_SHIFT (i: INDEX, shift: BIT) = GPR[i]
init = { tmp = i; }
// This is just to demonstrate the decode attribute
decode = { i = tmp; }
syntax = format("%s", if shift == 0
then "shift0"
else "shift1" endif)
image = format("%s", tmp)
mode REGA = REG_SHIFT | REG
</pre></p>
<p>Инструкция:<br /><pre>
internal op op_rega_rega_rega(rd: REGA, rs: REGA, rt: REGA)
image = format("%s%s%s", rs.image, rt.image, rd.image)
op addB (rd: REG, rs: REGA, rt: REGA)
syntax = format("add %s, %s, %s", rd.syntax, rs.syntax, rt.syntax)
image = format("000000%s00000100000", op_rega_rega_rega(rd, rs, rt).image)
action = {
temp = rs<31>::rs + rt<31>::rt;
if temp<32> != temp<31> then
mark("overflow");
COP0_R[14] = CIA;
exception("IntegerOverflow");
else
mark("normal");
rd = temp<31..0>;
endif;
}
</pre></p>
<p>Ошибка:<br /><pre>
D:\WorkProjects\MicroTESK\microtesk\build\generated-src\models\src\java\ru\ispras\microtesk\model\minimips\decoder\DecoderAddB.java:75: error: incompatible types: IsaPrimitive cannot be converted to REG
rd = op_rega_rega_rega_instance.rd;
</pre></p> MicroTESK - Bug #10832 (New): Parser allows bit vector extraction of array typeshttps://forge.ispras.ru/issues/108322021-05-06T19:07:40ZAlexander Protsenkoprotsenko@ispras.ru
<p>Ошибка:<br /><pre>
Translating to MIR...
********************************************************************************
ATTENTION! An unexpected error has occurred:
java.lang.UnsupportedOperationException: null
The program will be terminated. Please contact us at:
microtesk-support@ispras.ru
We are sorry for the inconvenience.
Exception stack:
java.lang.UnsupportedOperationException
at ru.ispras.microtesk.translator.mir.MirArray.getSize(MirTy.java:213)
at ru.ispras.microtesk.translator.mir.NmlIrTrans$WriteAccess.shiftLeft(NmlIrTrans.java:902)
at ru.ispras.microtesk.translator.mir.NmlIrTrans$WriteAccess.write(NmlIrTrans.java:887)
at ru.ispras.microtesk.translator.mir.NmlIrTrans$WriteAccess.accessMemory(NmlIrTrans.java:873)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translateAccess(NmlIrTrans.java:696)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translateWrite(NmlIrTrans.java:666)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translateAssignment(NmlIrTrans.java:321)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translate(NmlIrTrans.java:314)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translate(NmlIrTrans.java:194)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translate(NmlIrTrans.java:117)
at ru.ispras.microtesk.translator.mir.NmlIrTrans.translate(NmlIrTrans.java:74)
at ru.ispras.microtesk.translator.mir.MirTransHandler.translateIr(MirTransHandler.java:106)
at ru.ispras.microtesk.translator.mir.MirTransHandler.processIr(MirTransHandler.java:69)
at ru.ispras.microtesk.translator.mir.MirTransHandler.processIr(MirTransHandler.java:52)
at ru.ispras.microtesk.translator.Translator.processIr(Translator.java:84)
at ru.ispras.microtesk.translator.nml.NmlTranslator.start(NmlTranslator.java:131)
at ru.ispras.microtesk.translator.Translator.translate(Translator.java:201)
at ru.ispras.microtesk.MicroTESK.translate(MicroTESK.java:150)
at ru.ispras.microtesk.MicroTESK.runTask(MicroTESK.java:142)
at ru.ispras.microtesk.MicroTESK.main(MicroTESK.java:80)
********************************************************************************
</pre></p>
<p>Ошибка возникает на спецификации ВМ от 2021.05.06.</p> MicroTESK - Task #10193 (New): Cache instances configurationhttps://forge.ispras.ru/issues/101932020-04-01T07:23:10ZAlexander Kamkinaskamkin@gmail.com
<p>MMU specifications look like they are written for a single core. That's OK and, I think, it should be so. However, it is unclear how to instantiate the caches and connects them with the cores, the main memory and each other in multi-core settings. There should be a kind of configuration.</p>
<p>The modeling library provides the following mechanisms.</p>
<p><code>CacheUnit</code>'s constructor has the <code>next</code> parameter, which is a reference to the next-level cache instance or the main memory (<code>null</code> if the <code>next</code> attribute is not specified):</p>
<pre><code class="java syntaxhl" data-language="java"><span class="kd">public</span> <span class="nf">CacheUnit</span><span class="o">(...,</span> <span class="kd">final</span> <span class="nc">Buffer</span><span class="o"><?</span> <span class="kd">extends</span> <span class="nc">Struct</span><span class="o"><?>,</span> <span class="no">A</span><span class="o">></span> <span class="n">next</span><span class="o">)</span>
</code></pre>
<p>Also, <code>CacheUnit</code> implements the <code>addNeighbor</code> method that links the cache instance with the same-level ones:</p>
<pre><code class="java syntaxhl" data-language="java"><span class="kd">public</span> <span class="kt">void</span> <span class="nf">addNeighbor</span><span class="o">(</span><span class="kd">final</span> <span class="nc">CacheUnit</span><span class="o"><?,</span> <span class="no">A</span><span class="o">></span> <span class="n">other</span><span class="o">)</span>
</code></pre> Fortress - Bug #10177 (Feedback): TreeVisitor's SKIP status does not work as expectedhttps://forge.ispras.ru/issues/101772020-03-24T08:49:09ZAlexander Kamkinaskamkin@gmail.com
<p>When I call <code>setStatus(Status.SKIP)</code> in <code>onOperationBegin(node)</code>, I expect the visitor will not visit the node's children but will visit the node's neighbors.<br />However, the call skips visiting the neighbors.</p> MicroTESK - Bug #10061 (New): Buffers are now shared among all processing elementshttps://forge.ispras.ru/issues/100612020-01-23T08:22:05ZAlexander Kamkinaskamkin@gmail.com
<ol>
<li>By default, each buffer (unless it is memory mapped) is local.</li>
<li>To make a buffer global, one should write <code>shared</code> before the buffer declaration.</li>
<li>The memory plugin is not responsible for resetting memory- and register-mapped buffers.</li>
</ol>
<p>Classes to be modified: <code>Model</code>, <code>ProcessingElement</code>, <code>MmuPlugin</code>, etc.</p> MicroTESK - Bug #8696 (New): Parsing an mmu-file with empty read and write definitions causes Ill...https://forge.ispras.ru/issues/86962018-01-30T13:22:00ZAlexander Kamkinaskamkin@gmail.com
<pre>
java.lang.IllegalArgumentException: Failed to determine target buffer for attribute: read
at ru.ispras.fortress.util.InvariantChecks.checkTrue(InvariantChecks.java:53)
at ru.ispras.fortress.util.InvariantChecks.checkNotNull(InvariantChecks.java:109)
at ru.ispras.microtesk.mmu.translator.generation.spec.MemoryControlFlowExplorer.<init>(MemoryControlFlowExplorer.java:49)
at ru.ispras.microtesk.mmu.translator.generation.sim.SimGenerator.processIr(SimGenerator.java:60)
at ru.ispras.microtesk.mmu.translator.generation.sim.SimGenerator.processIr(SimGenerator.java:36)
at ru.ispras.microtesk.translator.Translator.processIr(Translator.java:84)
at ru.ispras.microtesk.mmu.translator.MmuTranslator.start(MmuTranslator.java:136)
at ru.ispras.microtesk.translator.Translator.translate(Translator.java:201)
at ru.ispras.microtesk.MicroTESK.translate(MicroTESK.java:162)
at ru.ispras.microtesk.MicroTESK.runTask(MicroTESK.java:135)
at ru.ispras.microtesk.MicroTESK.main(MicroTESK.java:73)
</pre> MicroTESK - Task #6065 (New): Handling marks with exported symbols in the coverage extractorhttps://forge.ispras.ru/issues/60652015-06-19T03:54:09ZAlexander Kamkinaskamkin@gmail.com
<ol>
<li>External variables should be stored in the internal representation.</li>
<li>There should be a possibility to write constrains over external variables.</li>
</ol> MicroTESK - Task #6064 (New): Translator support for exporting symbols in markshttps://forge.ispras.ru/issues/60642015-06-19T03:51:36ZAlexander Kamkinaskamkin@gmail.com
<p>The syntax is as follows:</p>
<pre>
mark("MarkIdentifier" {, name=expr}*)
</pre> TestBase - Task #5725 (New): Meta-information provider requiredhttps://forge.ispras.ru/issues/57252015-03-20T03:58:07ZAlexander Kamkinaskamkin@gmail.com
<p>TestBase should provide information on available test data constraints and generators.</p> Fortress - Task #5211 (Open): Unit-тесты для трансформеров и калькулятораhttps://forge.ispras.ru/issues/52112014-08-21T06:38:22ZAlexander Kamkinaskamkin@gmail.com
<ol>
<li>Необходима база (массив, список) разнообразных выражений (разные константы, разные операции, связывание переменных и т.п.).</li>
<li>Необходимы тесты для всех трансформаторов (хотя бы проверка типа падает/не падает).</li>
</ol> Fortress - Task #4523 (New): Implementing a solver for simple constraintshttps://forge.ispras.ru/issues/45232013-10-03T04:32:56ZAlexander Kamkinaskamkin@gmail.com
<p>Цель - генерация рандомизированных данных, удовлетворяющих несложным ограничениям (constrained random generation).</p>
<ol>
<li>Определить и описать в Wiki класс рассматриваемых ограничений.</li>
<li>Реализовать солвер (постараться добиться равномерного распределение данных, удовлетворяющих ограничениям).</li>
<li>Протестировать солвер (не берется за сложные ограничения, решает простые ограничения, решает их правильно, распределение данных близко к равномерному).</li>
</ol>