📄 system.h
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<!doctype html public "-//W3C//DTD HTML 3.2//EN"><html><head><title>Linux/include/asm/system.h</title><meta http-equiv=Content-Type content="text/html; charset=gb2312"><base href="http://oldlinux.org/lxr/http/"></head><body bgcolor=white><div align=center> [<b><i>源代码浏览</i></b>] [<a href="diff/include/asm/system.h">区别标定</a>] [<a href="ident">标识符搜索</a>] [<a href="search">文本搜索</a>] [<a href="find">文件搜索</a>]</div><h1 align=center> <a href="http:/"> OldLinux</a> <a href="http:blurb.html"> 交叉引用</a><br> <a href="source/">Linux</a>/<a href="source/include/">include</a>/<a href="source/include/asm/">asm</a>/<a href="source/include/asm/system.h">system.h</a></h1><div align=center> <b>版本:</b> [<a href="source/include/asm-i386/system.h?v=1.0">1.0</a>] [<a href="source/include/asm-i386/system.h?v=0.99.11">0.99.11</a>] [<a href="source/include/asm-i386/system.h?v=0.99">0.99</a>] [<a href="source/include/asm-i386/system.h?v=0.97">0.97</a>] [<a href="source/include/asm-i386/system.h?v=0.96a">0.96a</a>] [<a href="source/include/asm-i386/system.h?v=0.95">0.95</a>] [<a href="source/include/asm-i386/system.h?v=0.12">0.12</a>] [<b><i>0.11</i></b>] [<a href="source/include/asm-i386/system.h?v=0.01">0.01</a>] <br> <b>体系结构:</b> [<b><i>i386</i></b>] <br></div><hr><pre> <a name=L1 href="source/include/asm/system.h#L1">1</a> #define <a href="ident?i=move_to_user_mode">move_to_user_mode</a>() \ <a name=L2 href="source/include/asm/system.h#L2">2</a> __asm__ (<i>"movl %%esp,%%eax\n\t"</i> \ <a name=L3 href="source/include/asm/system.h#L3">3</a> <i>"pushl $0x17\n\t"</i> \ <a name=L4 href="source/include/asm/system.h#L4">4</a> <i>"pushl %%eax\n\t"</i> \ <a name=L5 href="source/include/asm/system.h#L5">5</a> <i>"pushfl\n\t"</i> \ <a name=L6 href="source/include/asm/system.h#L6">6</a> <i>"pushl $0x0f\n\t"</i> \ <a name=L7 href="source/include/asm/system.h#L7">7</a> <i>"pushl $1f\n\t"</i> \ <a name=L8 href="source/include/asm/system.h#L8">8</a> <i>"iret\n"</i> \ <a name=L9 href="source/include/asm/system.h#L9">9</a> <i>"1:\tmovl $0x17,%%eax\n\t"</i> \ <a name=L10 href="source/include/asm/system.h#L10">10</a> <i>"movw %%ax,%%ds\n\t"</i> \ <a name=L11 href="source/include/asm/system.h#L11">11</a> <i>"movw %%ax,%%es\n\t"</i> \ <a name=L12 href="source/include/asm/system.h#L12">12</a> <i>"movw %%ax,%%fs\n\t"</i> \ <a name=L13 href="source/include/asm/system.h#L13">13</a> <i>"movw %%ax,%%gs"</i> \ <a name=L14 href="source/include/asm/system.h#L14">14</a> :::<i>"ax"</i>) <a name=L15 href="source/include/asm/system.h#L15">15</a> <a name=L16 href="source/include/asm/system.h#L16">16</a> #define <a href="ident?i=sti">sti</a>() __asm__ (<i>"sti"</i>::) <a name=L17 href="source/include/asm/system.h#L17">17</a> #define <a href="ident?i=cli">cli</a>() __asm__ (<i>"cli"</i>::) <a name=L18 href="source/include/asm/system.h#L18">18</a> #define <a href="ident?i=nop">nop</a>() __asm__ (<i>"nop"</i>::) <a name=L19 href="source/include/asm/system.h#L19">19</a> <a name=L20 href="source/include/asm/system.h#L20">20</a> #define <a href="ident?i=iret">iret</a>() __asm__ (<i>"iret"</i>::) <a name=L21 href="source/include/asm/system.h#L21">21</a> <a name=L22 href="source/include/asm/system.h#L22">22</a> #define <a href="ident?i=_set_gate">_set_gate</a>(gate_addr,type,dpl,addr) \ <a name=L23 href="source/include/asm/system.h#L23">23</a> __asm__ (<i>"movw %%dx,%%ax\n\t"</i> \ <a name=L24 href="source/include/asm/system.h#L24">24</a> <i>"movw %0,%%dx\n\t"</i> \ <a name=L25 href="source/include/asm/system.h#L25">25</a> <i>"movl %%eax,%1\n\t"</i> \ <a name=L26 href="source/include/asm/system.h#L26">26</a> <i>"movl %%edx,%2"</i> \ <a name=L27 href="source/include/asm/system.h#L27">27</a> : \ <a name=L28 href="source/include/asm/system.h#L28">28</a> : <i>"i"</i> ((short) (0x8000+(dpl<<13)+(type<<8))), \ <a name=L29 href="source/include/asm/system.h#L29">29</a> <i>"o"</i> (*((char *) (gate_addr))), \ <a name=L30 href="source/include/asm/system.h#L30">30</a> <i>"o"</i> (*(4+(char *) (gate_addr))), \ <a name=L31 href="source/include/asm/system.h#L31">31</a> <i>"d"</i> ((char *) (addr)),<i>"a"</i> (0x00080000)) <a name=L32 href="source/include/asm/system.h#L32">32</a> <a name=L33 href="source/include/asm/system.h#L33">33</a> #define <a href="ident?i=set_intr_gate">set_intr_gate</a>(n,addr) \ <a name=L34 href="source/include/asm/system.h#L34">34</a> <a href="ident?i=_set_gate">_set_gate</a>(&<a href="ident?i=idt">idt</a>[n],14,0,addr) <a name=L35 href="source/include/asm/system.h#L35">35</a> <a name=L36 href="source/include/asm/system.h#L36">36</a> #define <a href="ident?i=set_trap_gate">set_trap_gate</a>(n,addr) \ <a name=L37 href="source/include/asm/system.h#L37">37</a> <a href="ident?i=_set_gate">_set_gate</a>(&<a href="ident?i=idt">idt</a>[n],15,0,addr) <a name=L38 href="source/include/asm/system.h#L38">38</a> <a name=L39 href="source/include/asm/system.h#L39">39</a> #define <a href="ident?i=set_system_gate">set_system_gate</a>(n,addr) \ <a name=L40 href="source/include/asm/system.h#L40">40</a> <a href="ident?i=_set_gate">_set_gate</a>(&<a href="ident?i=idt">idt</a>[n],15,3,addr) <a name=L41 href="source/include/asm/system.h#L41">41</a> <a name=L42 href="source/include/asm/system.h#L42">42</a> #define <a href="ident?i=_set_seg_desc">_set_seg_desc</a>(gate_addr,type,dpl,base,limit) {\ <a name=L43 href="source/include/asm/system.h#L43">43</a> *(gate_addr) = ((base) & 0xff000000) | \ <a name=L44 href="source/include/asm/system.h#L44">44</a> (((base) & 0x00ff0000)>>16) | \ <a name=L45 href="source/include/asm/system.h#L45">45</a> ((limit) & 0xf0000) | \ <a name=L46 href="source/include/asm/system.h#L46">46</a> ((dpl)<<13) | \ <a name=L47 href="source/include/asm/system.h#L47">47</a> (0x00408000) | \ <a name=L48 href="source/include/asm/system.h#L48">48</a> ((type)<<8); \ <a name=L49 href="source/include/asm/system.h#L49">49</a> *((gate_addr)+1) = (((base) & 0x0000ffff)<<16) | \ <a name=L50 href="source/include/asm/system.h#L50">50</a> ((limit) & 0x0ffff); } <a name=L51 href="source/include/asm/system.h#L51">51</a> <a name=L52 href="source/include/asm/system.h#L52">52</a> #define <a href="ident?i=_set_tssldt_desc">_set_tssldt_desc</a>(n,addr,type) \ <a name=L53 href="source/include/asm/system.h#L53">53</a> __asm__ (<i>"movw $104,%1\n\t"</i> \ <a name=L54 href="source/include/asm/system.h#L54">54</a> <i>"movw %%ax,%2\n\t"</i> \ <a name=L55 href="source/include/asm/system.h#L55">55</a> <i>"rorl $16,%%eax\n\t"</i> \ <a name=L56 href="source/include/asm/system.h#L56">56</a> <i>"movb %%al,%3\n\t"</i> \ <a name=L57 href="source/include/asm/system.h#L57">57</a> <i>"movb $"</i> type <i>",%4\n\t"</i> \ <a name=L58 href="source/include/asm/system.h#L58">58</a> <i>"movb $0x00,%5\n\t"</i> \ <a name=L59 href="source/include/asm/system.h#L59">59</a> <i>"movb %%ah,%6\n\t"</i> \ <a name=L60 href="source/include/asm/system.h#L60">60</a> <i>"rorl $16,%%eax"</i> \ <a name=L61 href="source/include/asm/system.h#L61">61</a> ::<i>"a"</i> (addr), <i>"m"</i> (*(n)), <i>"m"</i> (*(n+2)), <i>"m"</i> (*(n+4)), \ <a name=L62 href="source/include/asm/system.h#L62">62</a> <i>"m"</i> (*(n+5)), <i>"m"</i> (*(n+6)), <i>"m"</i> (*(n+7)) \ <a name=L63 href="source/include/asm/system.h#L63">63</a> ) <a name=L64 href="source/include/asm/system.h#L64">64</a> <a name=L65 href="source/include/asm/system.h#L65">65</a> #define <a href="ident?i=set_tss_desc">set_tss_desc</a>(n,addr) <a href="ident?i=_set_tssldt_desc">_set_tssldt_desc</a>(((char *) (n)),addr,<i>"0x89"</i>) <a name=L66 href="source/include/asm/system.h#L66">66</a> #define <a href="ident?i=set_ldt_desc">set_ldt_desc</a>(n,addr) <a href="ident?i=_set_tssldt_desc">_set_tssldt_desc</a>(((char *) (n)),addr,<i>"0x82"</i>) <a name=L67 href="source/include/asm/system.h#L67">67</a> </pre><hr><div align=center> [<b><i>源代码浏览</i></b>] [<a href="diff/include/asm/system.h">区别标定</a>] [<a href="ident">标识符搜索</a>] [<a href="search">文本搜索</a>] [<a href="find">文件搜索</a>] </div><hr>本网页由 <a href="http:blurb.html">LXR引擎</a> 自动生成.<br></html>⌨️ 快捷键说明
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