[88] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Functions for printing drive configuration |
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| 3 | ; information on Boot Menu. |
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[258] | 4 | ; |
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| 5 | ; Included by BootMenuPrint.asm, this routine is to be inserted into |
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| 6 | ; BootMenuPrint_HardDiskRefreshInformation. |
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| 7 | ; |
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[3] | 8 | ; Section containing code |
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| 9 | SECTION .text |
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| 10 | |
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[258] | 11 | ;;; fall-into from BootMenuPrint_HardDiskRefreshInformation. |
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| 12 | |
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[3] | 13 | ;-------------------------------------------------------------------- |
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| 14 | ; Prints Hard Disk configuration for drive handled by our BIOS. |
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| 15 | ; Cursor is set to configuration header string position. |
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| 16 | ; |
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| 17 | ; BootMenuPrintCfg_ForOurDrive |
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| 18 | ; Parameters: |
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[241] | 19 | ; DS:DI: Pointer to DPT |
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[3] | 20 | ; Returns: |
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| 21 | ; Nothing |
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| 22 | ; Corrupts registers: |
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[258] | 23 | ; AX, BX, CX, DX |
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[3] | 24 | ;-------------------------------------------------------------------- |
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[258] | 25 | .BootMenuPrintCfg_ForOurDrive: |
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[294] | 26 | eMOVZX ax, [di+DPT.bIdevarsOffset] |
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[258] | 27 | xchg bx, ax ; CS:BX now points to IDEVARS |
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[194] | 28 | ; Fall to .PushAndFormatCfgString |
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[3] | 29 | |
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| 30 | ;-------------------------------------------------------------------- |
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[88] | 31 | ; PushAddressingMode |
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[3] | 32 | ; Parameters: |
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| 33 | ; DS:DI: Ptr to DPT |
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[258] | 34 | ; CS:BX: Ptr to IDEVARS |
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[3] | 35 | ; Returns: |
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[88] | 36 | ; Nothing (jumps to next push below) |
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[3] | 37 | ; Corrupts registers: |
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[258] | 38 | ; AX, CX |
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[3] | 39 | ;-------------------------------------------------------------------- |
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[194] | 40 | .PushAddressingMode: |
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[200] | 41 | AccessDPT_GetUnshiftedAddressModeToALZF |
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[294] | 42 | ;; |
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| 43 | ;; This multiply both shifts the addressing mode bits down to low order bits, and |
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[193] | 44 | ;; at the same time multiplies by the size of the string displacement. The result is in AH, |
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| 45 | ;; with AL clear, and so we exchange AL and AH after the multiply for the final result. |
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[294] | 46 | ;; |
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[258] | 47 | mov cl,(1<<(8-ADDRESSING_MODE_FIELD_POSITION)) * g_szAddressingModes_Displacement |
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| 48 | mul cl |
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[193] | 49 | xchg al,ah |
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[182] | 50 | add ax,g_szAddressingModes |
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| 51 | push ax |
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[294] | 52 | |
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[3] | 53 | ;-------------------------------------------------------------------- |
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[88] | 54 | ; PushBlockMode |
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[3] | 55 | ; Parameters: |
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| 56 | ; DS:DI: Ptr to DPT |
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[258] | 57 | ; CS:BX: Ptr to IDEVARS |
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[3] | 58 | ; Returns: |
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| 59 | ; Nothing (falls to next push below) |
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| 60 | ; Corrupts registers: |
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[88] | 61 | ; AX |
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[3] | 62 | ;-------------------------------------------------------------------- |
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[194] | 63 | .PushBlockMode: |
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[150] | 64 | mov ax, 1 |
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[158] | 65 | test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED |
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[150] | 66 | jz SHORT .PushBlockSizeFromAX |
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[365] | 67 | mov al, [di+DPT_ATA.bBlockSize] |
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[150] | 68 | .PushBlockSizeFromAX: |
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[3] | 69 | push ax |
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| 70 | |
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| 71 | ;-------------------------------------------------------------------- |
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[88] | 72 | ; PushBusType |
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[3] | 73 | ; Parameters: |
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| 74 | ; DS:DI: Ptr to DPT |
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[258] | 75 | ; CS:BX: Ptr to IDEVARS |
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[3] | 76 | ; Returns: |
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| 77 | ; Nothing (jumps to next push below) |
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| 78 | ; Corrupts registers: |
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| 79 | ; AX, DX |
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| 80 | ;-------------------------------------------------------------------- |
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[194] | 81 | .PushBusType: |
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[182] | 82 | mov al,g_szBusTypeValues_Displacement |
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[258] | 83 | mul BYTE [cs:bx+IDEVARS.bDevice] |
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[294] | 84 | |
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[186] | 85 | shr ax,1 ; divide by 2 since IDEVARS.bDevice is multiplied by 2 |
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[294] | 86 | |
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[182] | 87 | add ax,g_szBusTypeValues |
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[294] | 88 | push ax |
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| 89 | |
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[3] | 90 | ;-------------------------------------------------------------------- |
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[88] | 91 | ; PushIRQ |
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[3] | 92 | ; Parameters: |
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| 93 | ; DS:DI: Ptr to DPT |
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[258] | 94 | ; CS:BX: Ptr to IDEVARS |
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[3] | 95 | ; Returns: |
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| 96 | ; Nothing (falls to next push below) |
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| 97 | ; Corrupts registers: |
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[88] | 98 | ; AX, DX |
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[3] | 99 | ;-------------------------------------------------------------------- |
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[194] | 100 | .PushIRQ: |
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[294] | 101 | mov al, [cs:bx+IDEVARS.bIRQ] |
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[241] | 102 | cbw |
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[3] | 103 | push ax |
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| 104 | |
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| 105 | ;-------------------------------------------------------------------- |
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[88] | 106 | ; PushResetStatus |
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[3] | 107 | ; Parameters: |
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| 108 | ; DS:DI: Ptr to DPT |
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[258] | 109 | ; CS:BX: Ptr to IDEVARS |
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[3] | 110 | ; Returns: |
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[88] | 111 | ; Nothing (falls to next push below) |
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[3] | 112 | ; Corrupts registers: |
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[363] | 113 | ; AX, BX, DX, ES |
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[3] | 114 | ;-------------------------------------------------------------------- |
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[194] | 115 | .PushResetStatus: |
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[365] | 116 | xor ax, ax |
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| 117 | %ifdef MODULE_SERIAL |
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| 118 | test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_SERIAL_DEVICE |
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| 119 | jnz SHORT .AlwaysSuccess |
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| 120 | mov al, [di+DPT_ATA.bInitError] |
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| 121 | .AlwaysSuccess: |
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| 122 | %endif |
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| 123 | push ax |
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[3] | 124 | |
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[258] | 125 | ;;; fall-out to BootMenuPrint_HardDiskRefreshInformation. |
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