diff options
Diffstat (limited to 'KStart32.HC')
| -rw-r--r-- | KStart32.HC | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/KStart32.HC b/KStart32.HC new file mode 100644 index 0000000..ec8f67b --- /dev/null +++ b/KStart32.HC @@ -0,0 +1,118 @@ +asm { +USE32 +//************************************ +// ASM Global vars not required for 16-bit start-up + ALIGN 8,OC_NOP +MEM_HEAP_BASE:: DU64 0; +MEM_HEAP_LIMIT:: DU64 0; +MEM_PAGE_SIZE:: DU64 0; +MEM_MAPPED_SPACE:: DU64 0; +MEM_2MEG_NUM:: DU64 0; +MEM_1GIG_NUM:: DU64 0; +MEM_512GIG_NUM:: DU64 0; +MEM_PML2:: DU64 0; +MEM_PML3:: DU64 0; +MEM_PML4:: DU64 0; + +#exe { + StreamPrint( +"SYS_MEM_INIT_FLAG:: DU8 %d;" +"SYS_MEM_INIT_VAL:: DU8 %d;" +"SYS_HEAP_INIT_FLAG:: DU8 %d;" +"SYS_HEAP_INIT_VAL:: DU8 %d;" +"SYS_VAR_INIT_FLAG:: DU8 %d;" +"SYS_VAR_INIT_VAL:: DU8 %d;" +"SYS_STAFF_MODE_FLAG:: DU8 %d;", +kernel_cfg->opts[CFG_MEM_INIT], kernel_cfg->mem_init_val, +kernel_cfg->opts[CFG_HEAP_INIT],kernel_cfg->heap_init_val, +kernel_cfg->opts[CFG_VAR_INIT], kernel_cfg->var_init_val, +kernel_cfg->opts[CFG_STAFF_MODE]); +}; +SYS_HEAP_DBG_FLAG:: DU8 _CFG_HEAP_DBG; + + ALIGN 8,0 +SYS_CTRL_ALT_FLAGS:: DU64 0; +SYS_EXTERN_TABLE:: DU64 0; + +SYS_CODE_BP:: DU64 0; +SYS_DATA_BP:: DU64 0; + +SYS_PROGRESSES:: +SYS_PROGRESS1:: DU64 0; +SYS_PROGRESS1_MAX:: DU64 0; +SYS_PROGRESS1_T0:: DU64 0; +SYS_PROGRESS1_TF:: DU64 0; +SYS_PROGRESS1_DESC:: DU8 PROGRESS_DESC_LEN DUP(0); +SYS_PROGRESS2:: DU64 0; +SYS_PROGRESS2_MAX:: DU64 0; +SYS_PROGRESS2_T0:: DU64 0; +SYS_PROGRESS2_TF:: DU64 0; +SYS_PROGRESS2_DESC:: DU8 PROGRESS_DESC_LEN DUP(0); +SYS_PROGRESS3:: DU64 0; +SYS_PROGRESS3_MAX:: DU64 0; +SYS_PROGRESS3_T0:: DU64 0; +SYS_PROGRESS3_TF:: DU64 0; +SYS_PROGRESS3_DESC:: DU8 PROGRESS_DESC_LEN DUP(0); +SYS_PROGRESS4:: DU64 0; +SYS_PROGRESS4_MAX:: DU64 0; +SYS_PROGRESS4_T0:: DU64 0; +SYS_PROGRESS4_TF:: DU64 0; +SYS_PROGRESS4_DESC:: DU8 PROGRESS_DESC_LEN DUP(0); +#assert $$-SYS_PROGRESSES==sizeof(CProgress)*4 + +SYS_FOCUS_TASK:: DU64 0; +SYS_CPU_STRUCTS:: DU64 0; +SYS_MP_CNT:: DU64 1; +SYS_MP_CNT_INITIAL:: DU64 1; +SYS_MP_CNT_LOCK:: DU64 1; + + ALIGN DFT_CACHE_LINE_WIDTH,OC_NOP +SYS_CACHE_LINE_WIDTH:: DU64 DFT_CACHE_LINE_WIDTH; + DU8 DFT_CACHE_LINE_WIDTH-sizeof(CBinFile)-8 DUP(0); +SYS_SEMAS:: DU8 SEMA_SEMAS_NUM*DFT_CACHE_LINE_WIDTH DUP(0); +//************************************ + ALIGN 16,OC_NOP +CORE0_32BIT_INIT:: //Entry point for $LK,"BootRAM",A="MN:BootRAM"$. + PUSH U32 RFLAGG_START + POPFD + MOV EAX,SYS_START_CR0 + MOV_CR0_EAX + + MOV AX,CGDT.boot_ds //LOAD DS SELECTOR + MOV DS,AX + BTS U32 [SYS_RUN_LEVEL],RLf_32BIT + MOV ESI,U32 [SYS_BOOT_PATCH_TABLE_BASE] + MOV EDI,U32 [MEM_BOOT_BASE] + + MOV AX,CGDT.ds + MOV DS,AX + MOV ES,AX + MOV FS,AX + MOV GS,AX + MOV SS,AX + MOV ESP,BOOT_RAM_LIMIT //Tmp Stk + +//Patch abs addresses + MOV ECX,U32 CPatchTableAbsAddr.abs_addres_cnt[ESI] + LEA ESI,U32 CPatchTableAbsAddr.abs_addres[ESI] +@@05: LODSD + ADD EAX,EDI + ADD U32 [EAX],EDI + LOOP @@05 + + DU8 0xEA; //JMP CGDT.cs32:@@10 + DU32 @@10; + DU16 CGDT.cs32; + +@@10: BTS U32 [SYS_RUN_LEVEL],RLf_PATCHED + + CALL SYS_FIND_PCIBIOS_SERVICE_DIR + CALL SYS_FIND_PCI_SERVICES + CALL SYS_INIT_PAGE_TABLES + CALL SYS_INIT_16MEG_SYS_CODE_BP + PUSH U32 0 //Return from next call will be 64-bit + CALL SYS_ENTER_LONG_MODE + + //We fall-thou to $LK,"KStart64",A="FL:::/Kernel/KStart64.HC,1"$, next. +} +U8 FDC_DMA[0x4800]; // Floppy DMA buffer
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