{"id":1496,"date":"2024-09-02T01:53:37","date_gmt":"2024-09-01T17:53:37","guid":{"rendered":"http:\/\/www.xiaosuigu.top\/?p=1496"},"modified":"2024-09-02T01:53:37","modified_gmt":"2024-09-01T17:53:37","slug":"arm%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/www.xiaosuigu.top\/index.php\/2024\/09\/02\/arm%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86\/","title":{"rendered":"ARM\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"\n

\u5e38\u89c1\u5bfb\u5740\u65b9\u5f0f<\/h2>\n\n\n\n
\u5bfb\u5740\u65b9\u5f0f<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\u7acb\u5373\u6570\u5bfb\u5740<\/td>\u76f4\u63a5\u4f7f\u7528\u7acb\u5373\u6570\u503c\u4f5c\u4e3a\u64cd\u4f5c\u6570\uff0c\u4f8b\u5982\uff1aMOV R0, #5<\/code><\/td><\/tr>
\u5bc4\u5b58\u5668\u76f4\u63a5\u5bfb\u5740<\/td>\u4f7f\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u4f5c\u4e3a\u64cd\u4f5c\u6570\uff0c\u4f8b\u5982\uff1aMOV R0, R1<\/code><\/td><\/tr>
\u5bc4\u5b58\u5668\u95f4\u63a5\u5bfb\u5740<\/td>\u4f7f\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u4f5c\u4e3a\u5185\u5b58\u5730\u5740\uff0c\u8bbf\u95ee\u8be5\u5730\u5740\u4e2d\u7684\u6570\u636e\uff0c\u4f8b\u5982\uff1aLDR R0, [R1]<\/code><\/td><\/tr>
\u5bc4\u5b58\u5668\u76f8\u5bf9\u5bfb\u5740<\/td>\u4f7f\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u52a0\u4e0a\u4e00\u4e2a\u7acb\u5373\u504f\u79fb\u91cf\u4f5c\u4e3a\u5185\u5b58\u5730\u5740\uff0c\u4f8b\u5982\uff1aLDR R0, [R1, #4]<\/code><\/td><\/tr>
\u5bc4\u5b58\u5668\u53d8\u5740\u5bfb\u5740<\/td>\u4f7f\u7528\u4e24\u4e2a\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u76f8\u52a0\u4f5c\u4e3a\u5185\u5b58\u5730\u5740\uff0c\u4f8b\u5982\uff1aLDR R0, [R1, R2]<\/code><\/td><\/tr>
\u5e26\u6709\u53d8\u5740\u5bc4\u5b58\u5668\u7684\u5bc4\u5b58\u5668\u76f8\u5bf9\u5bfb\u5740<\/td>\u4f7f\u7528\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u52a0\u4e0a\u53e6\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684\u503c\u4e58\u4ee5\u4e00\u4e2a\u6bd4\u4f8b\u56e0\u5b50\u4f5c\u4e3a\u5185\u5b58\u5730\u5740\uff0c\u4f8b\u5982\uff1aLDR R0, [R1, R2, LSL #2]<\/code><\/td><\/tr>
\u5806\u6808\u5bfb\u5740<\/td>\u4f7f\u7528\u5806\u6808\u6307\u9488\u5bc4\u5b58\u5668\uff08\u5982SP\uff09\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1aPUSH {R0, R1}<\/code> \u6216 POP {R0, R1}<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u538b\u6808\u548c\u51fa\u6808\u6307\u4ee4<\/h2>\n\n\n\n
\u6307\u4ee4\u7c7b\u578b<\/th>\u6307\u4ee4\u793a\u4f8b<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\u538b\u6808<\/td>PUSH {R0, R1}<\/code><\/td>\u5c06\u5bc4\u5b58\u5668R0\u548cR1\u7684\u5185\u5bb9\u538b\u5165\u5806\u6808\u4e2d<\/td><\/tr>
\u538b\u6808<\/td>PUSH {R0-R5}<\/code><\/td>\u5c06\u5bc4\u5b58\u5668R0\u5230R5\u7684\u5185\u5bb9\u538b\u5165\u5806\u6808\u4e2d<\/td><\/tr>
\u538b\u6808<\/td>STMDB SP!, {R0-R5}<\/code><\/td>\u5c06\u5bc4\u5b58\u5668R0\u5230R5\u7684\u5185\u5bb9\u538b\u5165\u5806\u6808\u4e2d\uff08\u4e0ePUSH\u7b49\u6548\uff09<\/td><\/tr>
\u51fa\u6808<\/td>POP {R0, R1}<\/code><\/td>\u4ece\u5806\u6808\u4e2d\u5f39\u51fa\u6570\u636e\uff0c\u6062\u590d\u5230\u5bc4\u5b58\u5668R0\u548cR1\u4e2d<\/td><\/tr>
\u51fa\u6808<\/td>POP {R0-R5}<\/code><\/td>\u4ece\u5806\u6808\u4e2d\u5f39\u51fa\u6570\u636e\uff0c\u6062\u590d\u5230\u5bc4\u5b58\u5668R0\u5230R5\u4e2d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8df3\u8f6c\u6307\u4ee4<\/h2>\n\n\n\n
\u6307\u4ee4\u7c7b\u578b<\/th>\u6307\u4ee4\u793a\u4f8b<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
\u65e0\u6761\u4ef6\u8df3\u8f6c<\/td>B label<\/code><\/td>\u65e0\u6761\u4ef6\u8df3\u8f6c\u5230\u6807\u7b7elabel<\/code>\u6307\u5411\u7684\u4f4d\u7f6e<\/td><\/tr>
\u5b50\u7a0b\u5e8f\u8c03\u7528<\/td>BL label<\/code><\/td>\u8c03\u7528\u5b50\u7a0b\u5e8f\uff0c\u5c06\u5f53\u524d\u6307\u4ee4\u7684\u4e0b\u4e00\u6761\u6307\u4ee4\u5730\u5740\u5b58\u5165\u94fe\u63a5\u5bc4\u5b58\u5668\uff08LR\uff09\uff0c\u7136\u540e\u8df3\u8f6c\u5230\u6807\u7b7elabel<\/code>\u6307\u5411\u7684\u4f4d\u7f6e<\/td><\/tr>
\u5b50\u7a0b\u5e8f\u8fd4\u56de<\/td>BX LR<\/code><\/td>\u8fd4\u56de\u5b50\u7a0b\u5e8f\u8c03\u7528\u524d\u7684\u4f4d\u7f6e\uff0c\u8df3\u8f6c\u5230\u94fe\u63a5\u5bc4\u5b58\u5668\uff08LR\uff09\u4e2d\u5b58\u50a8\u7684\u5730\u5740<\/td><\/tr>
\u5bc4\u5b58\u5668\u8df3\u8f6c<\/td>BX Rn<\/code><\/td>\u8df3\u8f6c\u5230\u5bc4\u5b58\u5668Rn\u4e2d\u5b58\u50a8\u7684\u5730\u5740<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u7b97\u672f\u8fd0\u7b97\u6307\u4ee4<\/h2>\n\n\n\n
\u6307\u4ee4<\/th>\u8ba1\u7b97\u516c\u5f0f<\/th>\u5907\u6ce8<\/th><\/tr><\/thead>
ADD Rd, Rn, Rm<\/td>Rd = Rn + Rm<\/td>\u52a0\u6cd5\u8fd0\u7b97\uff0c\u6307\u4ee4\u4e3a ADD<\/td><\/tr>
ADD Rd, Rn, #immed<\/td>Rd = Rn + #immed<\/td>\u52a0\u6cd5\u8fd0\u7b97\uff0c\u6307\u4ee4\u4e3a ADD<\/td><\/tr>
ADC Rd, Rn, Rm<\/td>Rd = Rn + Rm + \u8fdb\u4f4d<\/td>\u5e26\u8fdb\u4f4d\u7684\u52a0\u6cd5\u8fd0\u7b97\uff0c\u6307\u4ee4\u4e3a ADC<\/td><\/tr>
ADC Rd, Rn, #immed<\/td>Rd = Rn + #immed + \u8fdb\u4f4d<\/td>\u5e26\u8fdb\u4f4d\u7684\u52a0\u6cd5\u8fd0\u7b97\uff0c\u6307\u4ee4\u4e3a ADC<\/td><\/tr>
SUB Rd, Rn, Rm<\/td>Rd = Rn – Rm<\/td>\u51cf\u6cd5<\/td><\/tr>
SUB Rd, #immed<\/td>Rd = Rd – #immed<\/td>\u51cf\u6cd5<\/td><\/tr>
SUB Rd, Rn, #immed<\/td>Rd = Rn – #immed<\/td>\u51cf\u6cd5<\/td><\/tr>
SBC Rd, Rn, #immed<\/td>Rd = Rn – #immed – \u501f\u4f4d<\/td>\u5e26\u501f\u4f4d\u7684\u51cf\u6cd5<\/td><\/tr>
SBC Rd, Rn ,Rm<\/td>Rd = Rn – Rm – \u501f\u4f4d<\/td>\u5e26\u501f\u4f4d\u7684\u51cf\u6cd5<\/td><\/tr>
MUL Rd, Rn, Rm<\/td>Rd = Rn * Rm<\/td>\u4e58\u6cd5 (32 \u4f4d)<\/td><\/tr>
UDIV Rd, Rn, Rm<\/td>Rd = Rn \/ Rm<\/td>\u65e0\u7b26\u53f7\u9664\u6cd5<\/td><\/tr>
SDIV Rd, Rn, Rm<\/td>Rd = Rn \/ Rm<\/td>\u6709\u7b26\u53f7\u9664\u6cd5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u903b\u8f91\u8fd0\u7b97<\/h2>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u611f\u8c22\uff1a\u3010\u65b0\u63d0\u9192\u3011\u300a\u5b89\u5353\u9006\u5411\u8fd9\u6863\u4e8b\u300b\u5341\u3001\u4e0d\u662f\u6211\u8bf4\uff0c\u6709\u4e86IDA\u8fd8\u8981\u4ec0\u4e48\u5973\u670b\u53cb\uff1f – \u300e\u79fb\u52a8\u5b89\u5168\u533a\u300f – \u543e\u7231\u7834\u89e3 – LCG – LSG |\u5b89\u5353\u7834\u89e3|\u75c5\u6bd2\u5206\u6790|www.52pojie.cn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u5e38\u89c1\u5bfb\u5740\u65b9\u5f0f \u5bfb\u5740\u65b9\u5f0f \u63cf\u8ff0 \u7acb\u5373\u6570\u5bfb\u5740 \u76f4\u63a5\u4f7f\u7528\u7acb\u5373\u6570\u503c\u4f5c\u4e3a\u64cd\u4f5c\u6570\uff0c\u4f8b\u5982\uff1aMOV R0, #5 \u5bc4\u5b58\u5668\u76f4\u63a5\u5bfb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1496","post","type-post","status-publish","format-standard","hentry","category-android"],"_links":{"self":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts\/1496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/comments?post=1496"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts\/1496\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/media?parent=1496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/categories?post=1496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/tags?post=1496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}