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class="attr">#[rustfmt::skip] +</span><span class="kw">mod </span>x86_64 { + <span class="comment">/* Rflags Register */ - <span class="doccomment">/// Carry flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_CF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Parity flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_PF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Adjust flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_AF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; - <span class="doccomment">/// Zero flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_ZF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">6</span>; - <span class="doccomment">/// Sign flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_SF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">7</span>; - <span class="doccomment">/// Trap flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_TF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">8</span>; - <span class="doccomment">/// Sign flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_IF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">9</span>; - <span class="doccomment">/// Direction flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_DF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">10</span>; - <span class="doccomment">/// Overflow flag.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_OF</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">11</span>; - <span class="doccomment">/// I/O privilege level.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_IOPL</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0b11</span> <span class="op"><</span><span class="op"><</span> <span class="number">12</span>; - <span class="doccomment">/// Alignment check.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RFLAGS_AC</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">18</span>; + </span><span class="doccomment">/// Carry flag. + </span><span class="kw">pub const </span>RFLAGS_CF: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Parity flag. + </span><span class="kw">pub const </span>RFLAGS_PF: u64 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Adjust flag. + </span><span class="kw">pub const </span>RFLAGS_AF: u64 = <span class="number">1 </span><< <span class="number">4</span>; + <span class="doccomment">/// Zero flag. + </span><span class="kw">pub const </span>RFLAGS_ZF: u64 = <span class="number">1 </span><< <span class="number">6</span>; + <span class="doccomment">/// Sign flag. + </span><span class="kw">pub const </span>RFLAGS_SF: u64 = <span class="number">1 </span><< <span class="number">7</span>; + <span class="doccomment">/// Trap flag. + </span><span class="kw">pub const </span>RFLAGS_TF: u64 = <span class="number">1 </span><< <span class="number">8</span>; + <span class="doccomment">/// Sign flag. + </span><span class="kw">pub const </span>RFLAGS_IF: u64 = <span class="number">1 </span><< <span class="number">9</span>; + <span class="doccomment">/// Direction flag. + </span><span class="kw">pub const </span>RFLAGS_DF: u64 = <span class="number">1 </span><< <span class="number">10</span>; + <span class="doccomment">/// Overflow flag. + </span><span class="kw">pub const </span>RFLAGS_OF: u64 = <span class="number">1 </span><< <span class="number">11</span>; + <span class="doccomment">/// I/O privilege level. + </span><span class="kw">pub const </span>RFLAGS_IOPL: u64 = <span class="number">0b11 </span><< <span class="number">12</span>; + <span class="doccomment">/// Alignment check. + </span><span class="kw">pub const </span>RFLAGS_AC: u64 = <span class="number">1 </span><< <span class="number">18</span>; - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_cf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_CF</span>) <span class="op">></span><span class="op">></span> <span class="number">0</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_pf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_PF</span>) <span class="op">></span><span class="op">></span> <span class="number">2</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_af</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_AF</span>) <span class="op">></span><span class="op">></span> <span class="number">4</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_zf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_ZF</span>) <span class="op">></span><span class="op">></span> <span class="number">6</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_sf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_SF</span>) <span class="op">></span><span class="op">></span> <span class="number">7</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_tf</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_TF</span>) <span class="op">></span><span class="op">></span> <span class="number">8</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_if</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_IF</span>) <span class="op">></span><span class="op">></span> <span class="number">9</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_df</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_DF</span>) <span class="op">></span><span class="op">></span> <span class="number">10</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_of</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_OF</span>) <span class="op">></span><span class="op">></span> <span class="number">11</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_iopl</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_IOPL</span>) <span class="op">></span><span class="op">></span> <span class="number">12</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">rflags_ac</span>(<span class="ident">r</span>: <span class="ident">u64</span>) -> <span class="ident">u64</span> { (<span class="ident">r</span> <span class="op">&</span> <span class="ident">RFLAGS_AC</span>) <span class="op">></span><span class="op">></span> <span class="number">18</span> } + <span class="kw">pub const fn </span>rflags_cf(r: u64) -> u64 { (r & RFLAGS_CF) >> <span class="number">0 </span>} + <span class="kw">pub const fn </span>rflags_pf(r: u64) -> u64 { (r & RFLAGS_PF) >> <span class="number">2 </span>} + <span class="kw">pub const fn </span>rflags_af(r: u64) -> u64 { (r & RFLAGS_AF) >> <span class="number">4 </span>} + <span class="kw">pub const fn </span>rflags_zf(r: u64) -> u64 { (r & RFLAGS_ZF) >> <span class="number">6 </span>} + <span class="kw">pub const fn </span>rflags_sf(r: u64) -> u64 { (r & RFLAGS_SF) >> <span class="number">7 </span>} + <span class="kw">pub const fn </span>rflags_tf(r: u64) -> u64 { (r & RFLAGS_TF) >> <span class="number">8 </span>} + <span class="kw">pub const fn </span>rflags_if(r: u64) -> u64 { (r & RFLAGS_IF) >> <span class="number">9 </span>} + <span class="kw">pub const fn </span>rflags_df(r: u64) -> u64 { (r & RFLAGS_DF) >> <span class="number">10 </span>} + <span class="kw">pub const fn </span>rflags_of(r: u64) -> u64 { (r & RFLAGS_OF) >> <span class="number">11 </span>} + <span class="kw">pub const fn </span>rflags_iopl(r: u64) -> u64 { (r & RFLAGS_IOPL) >> <span class="number">12 </span>} + <span class="kw">pub const fn </span>rflags_ac(r: u64) -> u64 { (r & RFLAGS_AC) >> <span class="number">18 </span>} - <span class="comment">/* Segment Selector */</span> + <span class="comment">/* Segment Selector */ - <span class="doccomment">/// Requested privilege level.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Privilege level of the segment selector, where `0` is the most privileged mode and `3` the</span> - <span class="doccomment">/// least.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_RPL</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">0b11</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Table indicator.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// | TI | Table |</span> - <span class="doccomment">/// |----|-------|</span> - <span class="doccomment">/// | 0 | GDT |</span> - <span class="doccomment">/// | 1 | LDT |</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_TI</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Table index.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Index into the `GDT` or `LDT` table to select the segment descriptor. `GDT.base + 8 * index`</span> - <span class="doccomment">/// gives the address of the segment descriptor (times `8` because every segment descriptor is `8</span> - <span class="doccomment">/// byte`).</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SEG_SELECTOR_INDEX</span>: <span class="ident">u16</span> <span class="op">=</span> <span class="number">0x1fff</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; + </span><span class="doccomment">/// Requested privilege level. + /// + /// Privilege level of the segment selector, where `0` is the most privileged mode and `3` the + /// least. + </span><span class="kw">pub const </span>SEG_SELECTOR_RPL: u16 = <span class="number">0b11 </span><< <span class="number">0</span>; + <span class="doccomment">/// Table indicator. + /// + /// | TI | Table | + /// |----|-------| + /// | 0 | GDT | + /// | 1 | LDT | + </span><span class="kw">pub const </span>SEG_SELECTOR_TI: u16 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Table index. + /// + /// Index into the `GDT` or `LDT` table to select the segment descriptor. `GDT.base + 8 * index` + /// gives the address of the segment descriptor (times `8` because every segment descriptor is `8 + /// byte`). + </span><span class="kw">pub const </span>SEG_SELECTOR_INDEX: u16 = <span class="number">0x1fff </span><< <span class="number">3</span>; - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_rpl</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_RPL</span>) <span class="op">></span><span class="op">></span> <span class="number">0</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_ti</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_TI</span>) <span class="op">></span><span class="op">></span> <span class="number">2</span> } - <span class="kw">pub</span> <span class="kw">const</span> <span class="kw">fn</span> <span class="ident">seg_selector_index</span>(<span class="ident">s</span>: <span class="ident">u16</span>) -> <span class="ident">u16</span> { (<span class="ident">s</span> <span class="op">&</span> <span class="ident">SEG_SELECTOR_INDEX</span>) <span class="op">></span><span class="op">></span> <span class="number">3</span> } + <span class="kw">pub const fn </span>seg_selector_rpl(s: u16) -> u16 { (s & SEG_SELECTOR_RPL) >> <span class="number">0 </span>} + <span class="kw">pub const fn </span>seg_selector_ti(s: u16) -> u16 { (s & SEG_SELECTOR_TI) >> <span class="number">2 </span>} + <span class="kw">pub const fn </span>seg_selector_index(s: u16) -> u16 { (s & SEG_SELECTOR_INDEX) >> <span class="number">3 </span>} - <span class="comment">/* Control Register CR0 (operation mode & state of the processor) */</span> + <span class="comment">/* Control Register CR0 (operation mode & state of the processor) */ - <span class="doccomment">/// Protection Enable.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables `protected mode` when set and `real-address mode` when cleared. This enables</span> - <span class="doccomment">/// `segment-level protection` not paging.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_PE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Monitor Coprocessor.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_MP</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">1</span>; - <span class="doccomment">/// Emulation.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set indicates the process does not have a FPU. FPU instructions will generate an exception</span> - <span class="doccomment">/// that software can emulate the instruction.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_EM</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">2</span>; - <span class="doccomment">/// Task Switched.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_TS</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; - <span class="doccomment">/// Extension Type.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_ET</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; - <span class="doccomment">/// Numeric Error.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_NE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; - <span class="doccomment">/// Write Protect.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set supervisor-level procedures can't write to read-only pages.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_WP</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">16</span>; - <span class="doccomment">/// Alignment Mask.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables alignment check for `CPL=3`, check is only done if the [AC</span> - <span class="doccomment">/// bit](crate::x86_64::RFLAGS_AC) of the `rflags` register ist set.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_AM</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">18</span>; - <span class="doccomment">/// Not Write-Torugh.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_NW</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">29</span>; - <span class="doccomment">/// Cachine disable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_CD</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">30</span>; - <span class="doccomment">/// Paging.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// Enables paging when set, requires [CR0_PE](crate::x86_64::CR0_PE) to be set as well.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR0_PG</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">31</span>; + </span><span class="doccomment">/// Protection Enable. + /// + /// Enables `protected mode` when set and `real-address mode` when cleared. This enables + /// `segment-level protection` not paging. + </span><span class="kw">pub const </span>CR0_PE: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Monitor Coprocessor. + </span><span class="kw">pub const </span>CR0_MP: u64 = <span class="number">1 </span><< <span class="number">1</span>; + <span class="doccomment">/// Emulation. + /// + /// When set indicates the process does not have a FPU. FPU instructions will generate an exception + /// that software can emulate the instruction. + </span><span class="kw">pub const </span>CR0_EM: u64 = <span class="number">1 </span><< <span class="number">2</span>; + <span class="doccomment">/// Task Switched. + </span><span class="kw">pub const </span>CR0_TS: u64 = <span class="number">1 </span><< <span class="number">3</span>; + <span class="doccomment">/// Extension Type. + </span><span class="kw">pub const </span>CR0_ET: u64 = <span class="number">1 </span><< <span class="number">4</span>; + <span class="doccomment">/// Numeric Error. + </span><span class="kw">pub const </span>CR0_NE: u64 = <span class="number">1 </span><< <span class="number">5</span>; + <span class="doccomment">/// Write Protect. + /// + /// When set supervisor-level procedures can't write to read-only pages. + </span><span class="kw">pub const </span>CR0_WP: u64 = <span class="number">1 </span><< <span class="number">16</span>; + <span class="doccomment">/// Alignment Mask. + /// + /// Enables alignment check for `CPL=3`, check is only done if the [AC + /// bit](crate::x86_64::RFLAGS_AC) of the `rflags` register ist set. + </span><span class="kw">pub const </span>CR0_AM: u64 = <span class="number">1 </span><< <span class="number">18</span>; + <span class="doccomment">/// Not Write-Torugh. + </span><span class="kw">pub const </span>CR0_NW: u64 = <span class="number">1 </span><< <span class="number">29</span>; + <span class="doccomment">/// Cachine disable. + </span><span class="kw">pub const </span>CR0_CD: u64 = <span class="number">1 </span><< <span class="number">30</span>; + <span class="doccomment">/// Paging. + /// + /// Enables paging when set, requires [CR0_PE](crate::x86_64::CR0_PE) to be set as well. + </span><span class="kw">pub const </span>CR0_PG: u64 = <span class="number">1 </span><< <span class="number">31</span>; <span class="comment">/* Control Register CR3 (paging information) * * Holds the physical base address of the first paging structure. The 12 lower bytes of the base * address are assumed to be 0 and hence the first paging structure must be aligned to a 4K * boundary. - */</span> + */ - <span class="doccomment">/// Mask for physical base address of paging structure.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PAGE_BASE_MASK</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0xffff_ffff_ffff_0000</span>; + </span><span class="doccomment">/// Mask for physical base address of paging structure. + </span><span class="kw">pub const </span>CR3_PAGE_BASE_MASK: u64 = <span class="number">0xffff_ffff_ffff_0000</span>; - <span class="doccomment">/// Page-level Write-Through.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PWT</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">3</span>; - <span class="doccomment">/// Page-level Cache Disable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR3_PCD</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">4</span>; + <span class="doccomment">/// Page-level Write-Through. + </span><span class="kw">pub const </span>CR3_PWT: u64 = <span class="number">1 </span><< <span class="number">3</span>; + <span class="doccomment">/// Page-level Cache Disable. + </span><span class="kw">pub const </span>CR3_PCD: u64 = <span class="number">1 </span><< <span class="number">4</span>; - <span class="comment">/* Control Register CR4 (flags for arch extenstions processor capabilities) */</span> + <span class="comment">/* Control Register CR4 (flags for arch extenstions processor capabilities) */ - <span class="doccomment">/// Physical Address Extenstion.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set enables paging to produce physicall addresses with more than 32 bits. Required before</span> - <span class="doccomment">/// entering `long mode`.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR4_PAE</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; - <span class="doccomment">/// 57-bit Linear Addresses.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set in `long mode` enables `5-level` paging to translate `57-bit` linear addresses. When</span> - <span class="doccomment">/// cleared use `4-level` paging to translate `48-bit` linear addresses.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CR4_LA57</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">5</span>; + </span><span class="doccomment">/// Physical Address Extenstion. + /// + /// When set enables paging to produce physicall addresses with more than 32 bits. Required before + /// entering `long mode`. + </span><span class="kw">pub const </span>CR4_PAE: u64 = <span class="number">1 </span><< <span class="number">5</span>; + <span class="doccomment">/// 57-bit Linear Addresses. + /// + /// When set in `long mode` enables `5-level` paging to translate `57-bit` linear addresses. When + /// cleared use `4-level` paging to translate `48-bit` linear addresses. + </span><span class="kw">pub const </span>CR4_LA57: u64 = <span class="number">1 </span><< <span class="number">5</span>; - <span class="comment">/* Extended Feature Enable Register (EFER) */</span> + <span class="comment">/* Extended Feature Enable Register (EFER) */ - <span class="doccomment">/// Extended Feature Enable Register MSR number.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// MSR number used with the [`rdmsr`][msr] and [`wrmsr`][msr] instructions to read/write the</span> - <span class="doccomment">/// `EFER` model specific register.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// [msr]: https://johannst.github.io/notes/arch/x86_64.html#model-specific-register-msr</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MSR_EFER</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">0xc000_0080</span>; + </span><span class="doccomment">/// Extended Feature Enable Register MSR number. + /// + /// MSR number used with the [`rdmsr`][msr] and [`wrmsr`][msr] instructions to read/write the + /// `EFER` model specific register. + /// + /// [msr]: https://johannst.github.io/notes/arch/x86_64.html#model-specific-register-msr + </span><span class="kw">pub const </span>MSR_EFER: u64 = <span class="number">0xc000_0080</span>; - <span class="doccomment">/// Long Mode Enable.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set enables long mode operations.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EFER_LME</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">8</span>; - <span class="doccomment">/// Long Mode Active (readonly).</span> - <span class="doccomment">///</span> - <span class="doccomment">/// When set indicates long mode is active.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EFER_LMA</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">10</span>; + <span class="doccomment">/// Long Mode Enable. + /// + /// When set enables long mode operations. + </span><span class="kw">pub const </span>EFER_LME: u64 = <span class="number">1 </span><< <span class="number">8</span>; + <span class="doccomment">/// Long Mode Active (readonly). + /// + /// When set indicates long mode is active. + </span><span class="kw">pub const </span>EFER_LMA: u64 = <span class="number">1 </span><< <span class="number">10</span>; - <span class="comment">/* Paging */</span> + <span class="comment">/* Paging */ - <span class="doccomment">/// Page entry present.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PAGE_ENTRY_PRESENT</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">0</span>; - <span class="doccomment">/// Page region read/write.</span> - <span class="doccomment">///</span> - <span class="doccomment">/// If set, region reference by paging entry is writeable.</span> - <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PAGE_ENTRY_RW</span>: <span class="ident">u64</span> <span class="op">=</span> <span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">1</span>; + </span><span class="doccomment">/// Page entry present. + </span><span class="kw">pub const </span>PAGE_ENTRY_PRESENT: u64 = <span class="number">1 </span><< <span class="number">0</span>; + <span class="doccomment">/// Page region read/write. + /// + /// If set, region reference by paging entry is writeable. + </span><span class="kw">pub const </span>PAGE_ENTRY_RW: u64 = <span class="number">1 </span><< <span class="number">1</span>; } -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="kvm_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> -</body></html>
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