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ZealOS/docs/Kernel/KStart32.ZC.html
TomAwezome 48d4f999cb Update documentation.
2021-12-11 06:10:58 -05:00

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<a name="l1"></a><span class=cF1>asm</span><span class=cF0> {
<a name="l2"></a></span><span class=cF1>USE32</span><span class=cF0>
<a name="l3"></a>
<a name="l4"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l5"></a></span><span class=cF2>//</span><span class=cF0> </span><span class=cF2>ASM Global variables not required for 16-bit start-up</span><span class=cF0>
<a name="l6"></a> </span><span class=cF1>ALIGN</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>, </span><span class=cF3>OC_NOP</span><span class=cF0>
<a name="l7"></a>
<a name="l8"></a></span><span class=cFD>MEM_HEAP_BASE</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l9"></a></span><span class=cFD>MEM_HEAP_LIMIT</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l10"></a></span><span class=cFD>MEM_PAGE_SIZE</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l11"></a></span><span class=cFD>MEM_MAPPED_SPACE</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l12"></a></span><span class=cFD>MEM_2MEG_NUM</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l13"></a></span><span class=cFD>MEM_1GIG_NUM</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l14"></a></span><span class=cFD>MEM_512GIG_NUM</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l15"></a></span><span class=cFD>MEM_PML2</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l16"></a></span><span class=cFD>MEM_PML3</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l17"></a></span><span class=cFD>MEM_PML4</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l18"></a>
<a name="l19"></a>#</span><span class=cF1>exe</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l20"></a>
<a name="l21"></a> </span><span class=cF5>StreamPrint</span><span class=cF0>(</span><span class=cF6>&quot;SYS_MEM_INIT_FLAG::</span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>
<a name="l22"></a> </span><span class=cF6>&quot;SYS_MEM_INIT_VAL:: </span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>
<a name="l23"></a> </span><span class=cF6>&quot;SYS_HEAP_INIT_FLAG:: </span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>
<a name="l24"></a> </span><span class=cF6>&quot;SYS_HEAP_INIT_VAL::</span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>
<a name="l25"></a> </span><span class=cF6>&quot;SYS_VAR_INIT_FLAG::</span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>
<a name="l26"></a> </span><span class=cF6>&quot;SYS_VAR_INIT_VAL:: </span><span class=cF0> </span><span class=cF6>DU8</span><span class=cF0> </span><span class=cF6>%d;&quot;</span><span class=cF0>,
<a name="l27"></a>
<a name="l28"></a> kernel_config-&gt;opts[CONFIG_MEM_INIT],
<a name="l29"></a> kernel_config-&gt;mem_init_val,
<a name="l30"></a> kernel_config-&gt;opts[CONFIG_HEAP_INIT],
<a name="l31"></a> kernel_config-&gt;heap_init_val,
<a name="l32"></a> kernel_config-&gt;opts[CONFIG_VAR_INIT],
<a name="l33"></a> kernel_config-&gt;var_init_val);
<a name="l34"></a></span><span class=cF7>}</span><span class=cF0>;
<a name="l35"></a></span><span class=cFD>SYS_HEAP_DEBUG_FLAG</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>_CONFIG_HEAP_DEBUG</span><span class=cF0>;
<a name="l36"></a>
<a name="l37"></a> </span><span class=cF1>ALIGN</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>
<a name="l38"></a></span><span class=cFD>SYS_CTRL_ALT_FLAGS</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l39"></a></span><span class=cFD>SYS_EXTERN_TABLE</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l40"></a>
<a name="l41"></a></span><span class=cFD>SYS_CODE_BP</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l42"></a></span><span class=cFD>SYS_DATA_BP</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l43"></a>
<a name="l44"></a></span><span class=cFD>SYS_PROGRESSES</span><span class=cF0>::
<a name="l45"></a></span><span class=cFD>SYS_PROGRESS1</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l46"></a></span><span class=cFD>SYS_PROGRESS1_MAX</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l47"></a></span><span class=cFD>SYS_PROGRESS1_T0</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l48"></a></span><span class=cFD>SYS_PROGRESS1_TF</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l49"></a></span><span class=cFD>SYS_PROGRESS1_DESC</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>PROGRESS_DESC_LEN</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l50"></a></span><span class=cFD>SYS_PROGRESS2</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l51"></a></span><span class=cFD>SYS_PROGRESS2_MAX</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l52"></a></span><span class=cFD>SYS_PROGRESS2_T0</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l53"></a></span><span class=cFD>SYS_PROGRESS2_TF</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l54"></a></span><span class=cFD>SYS_PROGRESS2_DESC</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>PROGRESS_DESC_LEN</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l55"></a></span><span class=cFD>SYS_PROGRESS3</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l56"></a></span><span class=cFD>SYS_PROGRESS3_MAX</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l57"></a></span><span class=cFD>SYS_PROGRESS3_T0</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l58"></a></span><span class=cFD>SYS_PROGRESS3_TF</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l59"></a></span><span class=cFD>SYS_PROGRESS3_DESC</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>PROGRESS_DESC_LEN</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l60"></a></span><span class=cFD>SYS_PROGRESS4</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l61"></a></span><span class=cFD>SYS_PROGRESS4_MAX</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l62"></a></span><span class=cFD>SYS_PROGRESS4_T0</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l63"></a></span><span class=cFD>SYS_PROGRESS4_TF</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l64"></a></span><span class=cFD>SYS_PROGRESS4_DESC</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>PROGRESS_DESC_LEN</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l65"></a>#</span><span class=cF1>assert</span><span class=cF0> $ - </span><span class=cFD>SYS_PROGRESSES</span><span class=cF0> == </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CProgress</span><span class=cF0>) * </span><span class=cFE>4</span><span class=cF0>
<a name="l66"></a>
<a name="l67"></a></span><span class=cFD>SYS_FOCUS_TASK</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l68"></a></span><span class=cFD>SYS_CPU_STRUCTS</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l69"></a></span><span class=cFD>SYS_MP_COUNT</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l70"></a></span><span class=cFD>SYS_MP_COUNT_INITIAL</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l71"></a></span><span class=cFD>SYS_MP_COUNT_LOCK</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l72"></a>
<a name="l73"></a> </span><span class=cF1>ALIGN</span><span class=cF0> </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0>, </span><span class=cF3>OC_NOP</span><span class=cF0>
<a name="l74"></a></span><span class=cFD>SYS_CACHE_LINE_WIDTH</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0>;
<a name="l75"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0> - </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CBinFile</span><span class=cF0>) - </span><span class=cFE>8</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l76"></a></span><span class=cFD>SYS_SEMAS</span><span class=cF0>:: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cF3>SEMA_SEMAS_NUM</span><span class=cF0> * </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0> </span><span class=cF1>DUP</span><span class=cF0>(</span><span class=cFE>0</span><span class=cF0>);
<a name="l77"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l78"></a> </span><span class=cF1>ALIGN</span><span class=cF0> </span><span class=cFE>16</span><span class=cF0>, </span><span class=cF3>OC_NOP</span><span class=cF0>
<a name="l79"></a>
<a name="l80"></a></span><span class=cFD>CORE0_32BIT_INIT</span><span class=cF0>:: </span><span class=cF2>//Entry point for </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Boot/BootRAM.ZC.html#l33"><span class=cF4>BootRAM</span></a><span class=cF2>.</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF3>RFLAGG_START</span><span class=cF0>
<a name="l82"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l83"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF3>SYS_START_CR0</span><span class=cF0>
<a name="l84"></a> </span><span class=cF1>MOV_CR0_EAX</span><span class=cF0>
<a name="l85"></a>
<a name="l86"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF9>CGDT</span><span class=cF0>.boot_ds </span><span class=cF2>//LOAD DS SELECTOR</span><span class=cF0>
<a name="l87"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>DS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l88"></a> </span><span class=cF1>BTS</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_RUN_LEVEL</span><span class=cF0>], </span><span class=cF3>RLf_32BIT</span><span class=cF0>
<a name="l89"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_BOOT_PATCH_TABLE_BASE</span><span class=cF0>]
<a name="l90"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EDI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>MEM_BOOT_BASE</span><span class=cF0>]
<a name="l91"></a>
<a name="l92"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF9>CGDT</span><span class=cF0>.ds
<a name="l93"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>DS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l94"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ES</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l95"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>FS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l96"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>GS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l97"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>SS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l98"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESP</span><span class=cF0>, </span><span class=cF3>BOOT_RAM_LIMIT</span><span class=cF0> </span><span class=cF2>//Tmp Stack</span><span class=cF0>
<a name="l99"></a>
<a name="l100"></a></span><span class=cF2>//Patch abs addresses</span><span class=cF0>
<a name="l101"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CPatchTableAbsAddr</span><span class=cF0>.abs_address_count[</span><span class=cFC>ESI</span><span class=cF0>]
<a name="l102"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CPatchTableAbsAddr</span><span class=cF0>.abs_address[</span><span class=cFC>ESI</span><span class=cF0>]
<a name="l103"></a>@@05: </span><span class=cF1>LODSD</span><span class=cF0>
<a name="l104"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cFC>EDI</span><span class=cF0>
<a name="l105"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFC>EAX</span><span class=cF0>], </span><span class=cFC>EDI</span><span class=cF0>
<a name="l106"></a> </span><span class=cF1>LOOP</span><span class=cF0> @@05
<a name="l107"></a>
<a name="l108"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0xEA</span><span class=cF0>; </span><span class=cF2>//JMP CGDT.cs32:@@10</span><span class=cF0>
<a name="l109"></a> </span><span class=cF1>DU32</span><span class=cF0> @@10;
<a name="l110"></a> </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cF9>CGDT</span><span class=cF0>.cs32;
<a name="l111"></a>
<a name="l112"></a>@@10: </span><span class=cF1>BTS</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_RUN_LEVEL</span><span class=cF0>], </span><span class=cF3>RLf_PATCHED</span><span class=cF0>
<a name="l113"></a>
<a name="l114"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_FIND_PCIBIOS_SERVICE_DIR</span><span class=cF0>
<a name="l115"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_FIND_PCI_SERVICES</span><span class=cF0>
<a name="l116"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_INIT_PAGE_TABLES</span><span class=cF0>
<a name="l117"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_INIT_16MEG_SYS_CODE_BP</span><span class=cF0>
<a name="l118"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0> </span><span class=cF2>//Return from next call will be 64-bit</span><span class=cF0>
<a name="l119"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_ENTER_LONG_MODE</span><span class=cF0>
<a name="l120"></a>
<a name="l121"></a> </span><span class=cF2>//We fall-through to </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KStart64.ZC.html#l1"><span class=cF4>KStart64</span></a><span class=cF2>, next.</span><span class=cF0>
<a name="l122"></a>}
</span></pre></body>
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