118 lines
2.9 KiB
HolyC
Executable File
118 lines
2.9 KiB
HolyC
Executable File
asm {
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USE32
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//************************************
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// ASM Global vars not required for 16-bit start-up
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ALIGN 8,OC_NOP
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MEM_HEAP_BASE:: DU64 0;
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MEM_HEAP_LIMIT:: DU64 0;
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MEM_PAGE_SIZE:: DU64 0;
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MEM_MAPPED_SPACE:: DU64 0;
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MEM_2MEG_NUM:: DU64 0;
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MEM_1GIG_NUM:: DU64 0;
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MEM_512GIG_NUM:: DU64 0;
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MEM_PML2:: DU64 0;
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MEM_PML3:: DU64 0;
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MEM_PML4:: DU64 0;
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#exe {
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StreamPrint(
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"SYS_MEM_INIT_FLAG:: DU8 %d;"
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"SYS_MEM_INIT_VAL:: DU8 %d;"
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"SYS_HEAP_INIT_FLAG:: DU8 %d;"
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"SYS_HEAP_INIT_VAL:: DU8 %d;"
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"SYS_VAR_INIT_FLAG:: DU8 %d;"
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"SYS_VAR_INIT_VAL:: DU8 %d;"
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"SYS_STAFF_MODE_FLAG:: DU8 %d;",
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kernel_cfg->opts[CFG_MEM_INIT], kernel_cfg->mem_init_val,
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kernel_cfg->opts[CFG_HEAP_INIT],kernel_cfg->heap_init_val,
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kernel_cfg->opts[CFG_VAR_INIT], kernel_cfg->var_init_val,
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kernel_cfg->opts[CFG_STAFF_MODE]);
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};
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SYS_HEAP_DBG_FLAG:: DU8 _CFG_HEAP_DBG;
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ALIGN 8,0
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SYS_CTRL_ALT_FLAGS:: DU64 0;
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SYS_EXTERN_TABLE:: DU64 0;
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SYS_CODE_BP:: DU64 0;
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SYS_DATA_BP:: DU64 0;
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SYS_PROGRESSES::
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SYS_PROGRESS1:: DU64 0;
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SYS_PROGRESS1_MAX:: DU64 0;
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SYS_PROGRESS1_T0:: DU64 0;
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SYS_PROGRESS1_TF:: DU64 0;
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SYS_PROGRESS1_DESC:: DU8 PROGRESS_DESC_LEN DUP(0);
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SYS_PROGRESS2:: DU64 0;
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SYS_PROGRESS2_MAX:: DU64 0;
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SYS_PROGRESS2_T0:: DU64 0;
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SYS_PROGRESS2_TF:: DU64 0;
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SYS_PROGRESS2_DESC:: DU8 PROGRESS_DESC_LEN DUP(0);
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SYS_PROGRESS3:: DU64 0;
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SYS_PROGRESS3_MAX:: DU64 0;
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SYS_PROGRESS3_T0:: DU64 0;
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SYS_PROGRESS3_TF:: DU64 0;
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SYS_PROGRESS3_DESC:: DU8 PROGRESS_DESC_LEN DUP(0);
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SYS_PROGRESS4:: DU64 0;
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SYS_PROGRESS4_MAX:: DU64 0;
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SYS_PROGRESS4_T0:: DU64 0;
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SYS_PROGRESS4_TF:: DU64 0;
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SYS_PROGRESS4_DESC:: DU8 PROGRESS_DESC_LEN DUP(0);
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#assert $$-SYS_PROGRESSES==sizeof(CProgress)*4
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SYS_FOCUS_TASK:: DU64 0;
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SYS_CPU_STRUCTS:: DU64 0;
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SYS_MP_CNT:: DU64 1;
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SYS_MP_CNT_INITIAL:: DU64 1;
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SYS_MP_CNT_LOCK:: DU64 1;
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ALIGN DFT_CACHE_LINE_WIDTH,OC_NOP
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SYS_CACHE_LINE_WIDTH:: DU64 DFT_CACHE_LINE_WIDTH;
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DU8 DFT_CACHE_LINE_WIDTH-sizeof(CBinFile)-8 DUP(0);
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SYS_SEMAS:: DU8 SEMA_SEMAS_NUM*DFT_CACHE_LINE_WIDTH DUP(0);
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//************************************
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ALIGN 16,OC_NOP
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CORE0_32BIT_INIT:: //Entry point for $LK,"BootRAM",A="MN:BootRAM"$.
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PUSH U32 RFLAGG_START
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POPFD
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MOV EAX,SYS_START_CR0
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MOV_CR0_EAX
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MOV AX,CGDT.boot_ds //LOAD DS SELECTOR
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MOV DS,AX
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BTS U32 [SYS_RUN_LEVEL],RLf_32BIT
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MOV ESI,U32 [SYS_BOOT_PATCH_TABLE_BASE]
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MOV EDI,U32 [MEM_BOOT_BASE]
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MOV AX,CGDT.ds
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MOV DS,AX
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MOV ES,AX
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MOV FS,AX
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MOV GS,AX
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MOV SS,AX
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MOV ESP,BOOT_RAM_LIMIT //Tmp Stk
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//Patch abs addresses
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MOV ECX,U32 CPatchTableAbsAddr.abs_addres_cnt[ESI]
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LEA ESI,U32 CPatchTableAbsAddr.abs_addres[ESI]
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@@05: LODSD
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ADD EAX,EDI
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ADD U32 [EAX],EDI
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LOOP @@05
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DU8 0xEA; //JMP CGDT.cs32:@@10
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DU32 @@10;
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DU16 CGDT.cs32;
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@@10: BTS U32 [SYS_RUN_LEVEL],RLf_PATCHED
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CALL SYS_FIND_PCIBIOS_SERVICE_DIR
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CALL SYS_FIND_PCI_SERVICES
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CALL SYS_INIT_PAGE_TABLES
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CALL SYS_INIT_16MEG_SYS_CODE_BP
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PUSH U32 0 //Return from next call will be 64-bit
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CALL SYS_ENTER_LONG_MODE
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//We fall-thou to $LK,"KStart64",A="FL:::/Kernel/KStart64.HC,1"$, next.
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}
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