; Project name : XTIDE Universal BIOS ; Description : Functions for printing drive configuration ; information on Boot Menu. ; Section containing code SECTION .text ;-------------------------------------------------------------------- ; Prints Hard Disk configuration for drive handled by our BIOS. ; Cursor is set to configuration header string position. ; ; BootMenuPrintCfg_ForOurDrive ; Parameters: ; DS: Segment to DPT ; Stack: Offset to DPT ; Returns: ; Nothing ; Corrupts registers: ; AX, BX, CX, DX, SI, DI ;-------------------------------------------------------------------- ALIGN JUMP_ALIGN BootMenuPrintCfg_ForOurDrive: mov si, g_szCfgHeader call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF pop di eMOVZX ax, BYTE [di+DPT.bIdevarsOffset] xchg si, ax ; CS:SI now points to IDEVARS ; Fall to PushAndFormatCfgString ;-------------------------------------------------------------------- ; PushAndFormatCfgString ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing ; Corrupts registers: ; AX, DX, SI, DI ;-------------------------------------------------------------------- PushAndFormatCfgString: push bp mov bp, sp ; Fall to first push below ;-------------------------------------------------------------------- ; PushAddressingMode ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing (jumps to next push below) ; Corrupts registers: ; AX, BX ;-------------------------------------------------------------------- PushAddressingMode: CustomDPT_GetUnshiftedAddressModeToALZF ;; ;; This multiply both shifts the addressing mode bits down to low order bits, and ;; at the same time multiplies by the size of the string displacement. The result is in AH, ;; with AL clear, and so we exchange AL and AH after the multiply for the final result. ;; mov bl,(1<<(8-ADDRESSING_MODE_FIELD_POSITION)) * g_szAddressingModes_Displacement mul bl xchg al,ah add ax,g_szAddressingModes push ax ;-------------------------------------------------------------------- ; PushBlockMode ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing (falls to next push below) ; Corrupts registers: ; AX ;-------------------------------------------------------------------- PushBlockMode: mov ax, 1 test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED jz SHORT .PushBlockSizeFromAX mov al, [di+DPT_ATA.bSetBlock] .PushBlockSizeFromAX: push ax ;-------------------------------------------------------------------- ; PushBusType ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing (jumps to next push below) ; Corrupts registers: ; AX, DX ;-------------------------------------------------------------------- ;PushBusType: mov al,g_szBusTypeValues_Displacement mul BYTE [cs:si+IDEVARS.bDevice] shr ax,1 ; divide by 2 since IDEVARS.bDevice is multiplied by 2 add ax,g_szBusTypeValues push ax ;-------------------------------------------------------------------- ; PushIRQ ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing (falls to next push below) ; Corrupts registers: ; AX, DX ;-------------------------------------------------------------------- PushIRQ: eMOVZX ax, BYTE [cs:si+IDEVARS.bIRQ] push ax ;-------------------------------------------------------------------- ; PushResetStatus ; Parameters: ; DS:DI: Ptr to DPT ; CS:SI: Ptr to IDEVARS ; Returns: ; Nothing (falls to next push below) ; Corrupts registers: ; AX ;-------------------------------------------------------------------- PushResetStatus: mov al, [di+DPT.bFlagsHigh] and ax, MASKH_DPT_RESET push ax ;-------------------------------------------------------------------- ; PrintValuesFromStack ; Parameters: ; Stack: All formatting parameters ; Returns: ; Nothing ; Corrupts registers: ; AX, SI, DI ;-------------------------------------------------------------------- PrintValuesFromStack: mov si, g_szCfgFormat jmp BootPrint_BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay