diff options
| author | Kartik K. Agaram <vc@akkartik.com> | 2017-10-12 23:55:19 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2017-10-12 23:55:19 -0700 |
| commit | 7a219c68bae6dbe214aec69a051015e851e32400 (patch) | |
| tree | 40210836b68dcc2a3b84db487e30ccd7b199835b /html/subx/013immediate_addressing.cc.html | |
| parent | f829120a621b539dfef0d8c5605c8825aa998d7b (diff) | |
| download | mu-7a219c68bae6dbe214aec69a051015e851e32400.tar.gz | |
4054
Diffstat (limited to 'html/subx/013immediate_addressing.cc.html')
| -rw-r--r-- | html/subx/013immediate_addressing.cc.html | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/html/subx/013immediate_addressing.cc.html b/html/subx/013immediate_addressing.cc.html index afc46f47..3cb55938 100644 --- a/html/subx/013immediate_addressing.cc.html +++ b/html/subx/013immediate_addressing.cc.html @@ -68,26 +68,26 @@ if ('onhashchange' in window) { <span id="L4" class="LineNr"> 4 </span><span class="Special">% Reg[3].i = 1;</span> <span id="L5" class="LineNr"> 5 </span><span class="Comment"># op ModRM SIB displacement immediate</span> <span id="L6" class="LineNr"> 6 </span> <span class="Constant">81</span> c3 0a 0b 0c 0d <span class="Comment"># add 0x0d0c0b0a to EBX (reg 3)</span> -<span id="L7" class="LineNr"> 7 </span><span class="traceContains">+run: combine imm32 0x0d0c0b0a with effective address</span> -<span id="L8" class="LineNr"> 8 </span><span class="traceContains">+run: effective address is reg 3</span> +<span id="L7" class="LineNr"> 7 </span><span class="traceContains">+run: combine <a href='010core.cc.html#L207'>imm32</a> 0x0d0c0b0a with effective address</span> +<span id="L8" class="LineNr"> 8 </span><span class="traceContains">+run: effective address is <a href='010core.cc.html#L15'>reg</a> 3</span> <span id="L9" class="LineNr"> 9 </span><span class="traceContains">+run: subop add</span> <span id="L10" class="LineNr">10 </span><span class="traceContains">+run: storing 0x0d0c0b0b</span> <span id="L11" class="LineNr">11 </span> <span id="L12" class="LineNr">12 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L13" class="LineNr">13 </span><span class="Normal">case</span> <span class="Constant">0x81</span>: <span class="Delimiter">{</span> <span class="Comment">// combine imm32 with r/m32</span> -<span id="L14" class="LineNr">14 </span> <span class="Normal">uint8_t</span> modrm = next<span class="Delimiter">();</span> -<span id="L15" class="LineNr">15 </span> <span class="Normal">int32_t</span> arg2 = imm32<span class="Delimiter">();</span> -<span id="L16" class="LineNr">16 </span> trace<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"combine imm32 0x"</span> << HEXWORD << arg2 << <span class="Constant">" with effective address"</span> << end<span class="Delimiter">();</span> -<span id="L17" class="LineNr">17 </span> <span class="Normal">int32_t</span>* arg1 = effective_address<span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> +<span id="L14" class="LineNr">14 </span> <span class="Normal">uint8_t</span> modrm = <a href='010core.cc.html#L202'>next</a><span class="Delimiter">();</span> +<span id="L15" class="LineNr">15 </span> <span class="Normal">int32_t</span> arg2 = <a href='010core.cc.html#L207'>imm32</a><span class="Delimiter">();</span> +<span id="L16" class="LineNr">16 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"combine <a href='010core.cc.html#L207'>imm32</a> 0x"</span> << <a href='010core.cc.html#L218'>HEXWORD</a> << arg2 << <span class="Constant">" with effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span> +<span id="L17" class="LineNr">17 </span> <span class="Normal">int32_t</span>* arg1 = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> <span id="L18" class="LineNr">18 </span> <span class="Normal">uint8_t</span> subop = <span class="Delimiter">(</span>modrm>><span class="Constant">3</span><span class="Delimiter">)</span>&<span class="Constant">0x7</span><span class="Delimiter">;</span> <span class="Comment">// middle 3 'reg opcode' bits</span> <span id="L19" class="LineNr">19 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>subop<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L20" class="LineNr">20 </span> <span class="Normal">case</span> <span class="Constant">0</span>: -<span id="L21" class="LineNr">21 </span> <span class="Conceal">¦</span> trace<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subop add"</span> << end<span class="Delimiter">();</span> -<span id="L22" class="LineNr">22 </span> <span class="Conceal">¦</span> BINARY_ARITHMETIC_OP<span class="Delimiter">(</span>+<span class="Delimiter">,</span> *arg1<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> +<span id="L21" class="LineNr">21 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subop add"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span> +<span id="L22" class="LineNr">22 </span> <span class="Conceal">¦</span> <a href='010core.cc.html#L39'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> *arg1<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L23" class="LineNr">23 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L24" class="LineNr">24 </span> <span class="Comment">// End Op 81 Subops</span> <span id="L25" class="LineNr">25 </span> <span class="Normal">default</span>: -<span id="L26" class="LineNr">26 </span> <span class="Conceal">¦</span> cerr << <span class="Constant">"unrecognized sub-opcode after 81: "</span> << NUM<span class="Delimiter">(</span>subop<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L26" class="LineNr">26 </span> <span class="Conceal">¦</span> cerr << <span class="Constant">"unrecognized sub-opcode after 81: "</span> << <a href='010core.cc.html#L220'>NUM</a><span class="Delimiter">(</span>subop<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L27" class="LineNr">27 </span> <span class="Conceal">¦</span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span id="L28" class="LineNr">28 </span> <span class="Delimiter">}</span> <span id="L29" class="LineNr">29 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -100,7 +100,7 @@ if ('onhashchange' in window) { <span id="L36" class="LineNr">36 </span><span class="Special">% Mem.at(0x60) = 1;</span> <span id="L37" class="LineNr">37 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> <span id="L38" class="LineNr">38 </span> <span class="Constant">81</span> <span class="PreProc">0</span><span class="Constant">3</span> 0a 0b 0c 0d <span class="Comment"># add 0x0d0c0b0a to *EBX (reg 3)</span> -<span id="L39" class="LineNr">39 </span><span class="traceContains">+run: combine imm32 0x0d0c0b0a with effective address</span> +<span id="L39" class="LineNr">39 </span><span class="traceContains">+run: combine <a href='010core.cc.html#L207'>imm32</a> 0x0d0c0b0a with effective address</span> <span id="L40" class="LineNr">40 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 3)</span> <span id="L41" class="LineNr">41 </span><span class="traceContains">+run: subop add</span> <span id="L42" class="LineNr">42 </span><span class="traceContains">+run: storing 0x0d0c0b0b</span> @@ -111,14 +111,14 @@ if ('onhashchange' in window) { <span id="L47" class="LineNr">47 </span><span class="Special">% Reg[EAX].i = 0x0d0c0baa;</span> <span id="L48" class="LineNr">48 </span><span class="Comment"># op ModR/M SIB displacement immediate</span> <span id="L49" class="LineNr">49 </span> 2d 0a 0b 0c 0d <span class="Comment"># subtract 0x0d0c0b0a from EAX (reg 0)</span> -<span id="L50" class="LineNr">50 </span><span class="traceContains">+run: subtract imm32 0x0d0c0b0a from reg EAX</span> +<span id="L50" class="LineNr">50 </span><span class="traceContains">+run: subtract <a href='010core.cc.html#L207'>imm32</a> 0x0d0c0b0a from <a href='010core.cc.html#L15'>reg</a> <a href='010core.cc.html#L5'>EAX</a></span> <span id="L51" class="LineNr">51 </span><span class="traceContains">+run: storing 0x000000a0</span> <span id="L52" class="LineNr">52 </span> <span id="L53" class="LineNr">53 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L54" class="LineNr">54 </span><span class="Normal">case</span> <span class="Constant">0x2d</span>: <span class="Delimiter">{</span> <span class="Comment">// subtract imm32 from EAX</span> -<span id="L55" class="LineNr">55 </span> <span class="Normal">int32_t</span> arg2 = imm32<span class="Delimiter">();</span> -<span id="L56" class="LineNr">56 </span> trace<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subtract imm32 0x"</span> << HEXWORD << arg2 << <span class="Constant">" from reg EAX"</span> << end<span class="Delimiter">();</span> -<span id="L57" class="LineNr">57 </span> BINARY_ARITHMETIC_OP<span class="Delimiter">(</span>-<span class="Delimiter">,</span> Reg[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> +<span id="L55" class="LineNr">55 </span> <span class="Normal">int32_t</span> arg2 = <a href='010core.cc.html#L207'>imm32</a><span class="Delimiter">();</span> +<span id="L56" class="LineNr">56 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subtract <a href='010core.cc.html#L207'>imm32</a> 0x"</span> << <a href='010core.cc.html#L218'>HEXWORD</a> << arg2 << <span class="Constant">" from <a href='010core.cc.html#L15'>reg</a> EAX"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span> +<span id="L57" class="LineNr">57 </span> <a href='010core.cc.html#L39'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>-<span class="Delimiter">,</span> Reg[EAX]<span class="Delimiter">.</span><a href='010core.cc.html#L16'>i</a><span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L58" class="LineNr">58 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L59" class="LineNr">59 </span><span class="Delimiter">}</span> <span id="L60" class="LineNr">60 </span> @@ -129,7 +129,7 @@ if ('onhashchange' in window) { <span id="L65" class="LineNr">65 </span><span class="Special">% Mem.at(0x60) = 10;</span> <span id="L66" class="LineNr">66 </span><span class="Comment"># op ModRM SIB displacement immediate</span> <span id="L67" class="LineNr">67 </span> <span class="Constant">81</span> 2b <span class="PreProc">0</span><span class="Constant">1</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># subtract 1 from *EBX (reg 3)</span> -<span id="L68" class="LineNr">68 </span><span class="traceContains">+run: combine imm32 0x00000001 with effective address</span> +<span id="L68" class="LineNr">68 </span><span class="traceContains">+run: combine <a href='010core.cc.html#L207'>imm32</a> 0x00000001 with effective address</span> <span id="L69" class="LineNr">69 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 3)</span> <span id="L70" class="LineNr">70 </span><span class="traceContains">+run: subop subtract</span> <span id="L71" class="LineNr">71 </span><span class="traceContains">+run: storing 0x00000009</span> @@ -140,15 +140,15 @@ if ('onhashchange' in window) { <span id="L76" class="LineNr">76 </span><span class="Special">% Reg[3].i = 10;</span> <span id="L77" class="LineNr">77 </span><span class="Comment"># op ModRM SIB displacement immediate</span> <span id="L78" class="LineNr">78 </span> <span class="Constant">81</span> eb <span class="PreProc">0</span><span class="Constant">1</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># subtract 1 from EBX (reg 3)</span> -<span id="L79" class="LineNr">79 </span><span class="traceContains">+run: combine imm32 0x00000001 with effective address</span> -<span id="L80" class="LineNr">80 </span><span class="traceContains">+run: effective address is reg 3</span> +<span id="L79" class="LineNr">79 </span><span class="traceContains">+run: combine <a href='010core.cc.html#L207'>imm32</a> 0x00000001 with effective address</span> +<span id="L80" class="LineNr">80 </span><span class="traceContains">+run: effective address is <a href='010core.cc.html#L15'>reg</a> 3</span> <span id="L81" class="LineNr">81 </span><span class="traceContains">+run: subop subtract</span> <span id="L82" class="LineNr">82 </span><span class="traceContains">+run: storing 0x00000009</span> <span id="L83" class="LineNr">83 </span> <span id="L84" class="LineNr">84 </span><span class="Delimiter">:(before "End Op 81 Subops")</span> <span id="L85" class="LineNr">85 </span><span class="Normal">case</span> <span class="Constant">5</span>: <span class="Delimiter">{</span> -<span id="L86" class="LineNr">86 </span> trace<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subop subtract"</span> << end<span class="Delimiter">();</span> -<span id="L87" class="LineNr">87 </span> BINARY_ARITHMETIC_OP<span class="Delimiter">(</span>-<span class="Delimiter">,</span> *arg1<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> +<span id="L86" class="LineNr">86 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subop subtract"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span> +<span id="L87" class="LineNr">87 </span> <a href='010core.cc.html#L39'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>-<span class="Delimiter">,</span> *arg1<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L88" class="LineNr">88 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L89" class="LineNr">89 </span><span class="Delimiter">}</span> </pre> |