[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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| 4 | |
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| 5 | ; Section containing code |
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| 6 | SECTION .text |
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| 7 | |
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| 8 | ;-------------------------------------------------------------------- |
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| 9 | ; Prints Hard Disk configuration for drive handled by our BIOS. |
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| 10 | ; Cursor is set to configuration header string position. |
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| 11 | ; |
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| 12 | ; BootMenuPrintCfg_ForOurDrive |
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| 13 | ; Parameters: |
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[127] | 14 | ; DS: Segment to DPT |
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| 15 | ; Stack: Offset to DPT |
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[3] | 16 | ; Returns: |
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| 17 | ; Nothing |
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| 18 | ; Corrupts registers: |
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[150] | 19 | ; AX, BX, CX, DX, SI, DI |
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[3] | 20 | ;-------------------------------------------------------------------- |
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| 21 | ALIGN JUMP_ALIGN |
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| 22 | BootMenuPrintCfg_ForOurDrive: |
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[96] | 23 | mov si, g_szCfgHeader |
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| 24 | call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF |
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[186] | 25 | pop di |
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[150] | 26 | eMOVZX ax, BYTE [di+DPT.bIdevarsOffset] |
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| 27 | xchg si, ax ; CS:SI now points to IDEVARS |
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[96] | 28 | ; Fall to PushAndFormatCfgString |
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[3] | 29 | |
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| 30 | ;-------------------------------------------------------------------- |
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[96] | 31 | ; PushAndFormatCfgString |
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[3] | 32 | ; Parameters: |
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| 33 | ; DS:DI: Ptr to DPT |
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| 34 | ; CS:SI: Ptr to IDEVARS |
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| 35 | ; Returns: |
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| 36 | ; Nothing |
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| 37 | ; Corrupts registers: |
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[88] | 38 | ; AX, DX, SI, DI |
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[3] | 39 | ;-------------------------------------------------------------------- |
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[96] | 40 | PushAndFormatCfgString: |
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[88] | 41 | push bp |
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| 42 | mov bp, sp |
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[3] | 43 | ; Fall to first push below |
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| 44 | |
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| 45 | ;-------------------------------------------------------------------- |
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[88] | 46 | ; PushAddressingMode |
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[3] | 47 | ; Parameters: |
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| 48 | ; DS:DI: Ptr to DPT |
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| 49 | ; CS:SI: Ptr to IDEVARS |
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| 50 | ; Returns: |
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[88] | 51 | ; Nothing (jumps to next push below) |
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[3] | 52 | ; Corrupts registers: |
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[191] | 53 | ; AX, BX |
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[3] | 54 | ;-------------------------------------------------------------------- |
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[88] | 55 | PushAddressingMode: |
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[193] | 56 | CustomDPT_GetUnshiftedAddressModeToALZF |
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| 57 | ;; |
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| 58 | ;; This multiply both shifts the addressing mode bits down to low order bits, and |
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| 59 | ;; at the same time multiplies by the size of the string displacement. The result is in AH, |
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| 60 | ;; with AL clear, and so we exchange AL and AH after the multiply for the final result. |
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| 61 | ;; |
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| 62 | mov bl,(1<<(8-ADDRESSING_MODE_FIELD_POSITION)) * g_szAddressingModes_Displacement |
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[182] | 63 | mul bl |
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[193] | 64 | xchg al,ah |
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[182] | 65 | add ax,g_szAddressingModes |
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| 66 | push ax |
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| 67 | |
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[3] | 68 | ;-------------------------------------------------------------------- |
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[88] | 69 | ; PushBlockMode |
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[3] | 70 | ; Parameters: |
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| 71 | ; DS:DI: Ptr to DPT |
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| 72 | ; CS:SI: Ptr to IDEVARS |
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| 73 | ; Returns: |
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| 74 | ; Nothing (falls to next push below) |
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| 75 | ; Corrupts registers: |
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[88] | 76 | ; AX |
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[3] | 77 | ;-------------------------------------------------------------------- |
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[88] | 78 | PushBlockMode: |
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[150] | 79 | mov ax, 1 |
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[158] | 80 | test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED |
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[150] | 81 | jz SHORT .PushBlockSizeFromAX |
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| 82 | mov al, [di+DPT_ATA.bSetBlock] |
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| 83 | .PushBlockSizeFromAX: |
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[3] | 84 | push ax |
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| 85 | |
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| 86 | ;-------------------------------------------------------------------- |
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[88] | 87 | ; PushBusType |
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[3] | 88 | ; Parameters: |
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| 89 | ; DS:DI: Ptr to DPT |
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| 90 | ; CS:SI: Ptr to IDEVARS |
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| 91 | ; Returns: |
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| 92 | ; Nothing (jumps to next push below) |
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| 93 | ; Corrupts registers: |
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| 94 | ; AX, DX |
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| 95 | ;-------------------------------------------------------------------- |
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[181] | 96 | ;PushBusType: |
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[182] | 97 | mov al,g_szBusTypeValues_Displacement |
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| 98 | mul BYTE [cs:si+IDEVARS.bDevice] |
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[186] | 99 | |
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| 100 | shr ax,1 ; divide by 2 since IDEVARS.bDevice is multiplied by 2 |
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| 101 | |
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[182] | 102 | add ax,g_szBusTypeValues |
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| 103 | push ax |
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| 104 | |
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[3] | 105 | ;-------------------------------------------------------------------- |
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[88] | 106 | ; PushIRQ |
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[3] | 107 | ; Parameters: |
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| 108 | ; DS:DI: Ptr to DPT |
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| 109 | ; CS:SI: Ptr to IDEVARS |
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| 110 | ; Returns: |
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| 111 | ; Nothing (falls to next push below) |
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| 112 | ; Corrupts registers: |
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[88] | 113 | ; AX, DX |
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[3] | 114 | ;-------------------------------------------------------------------- |
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[88] | 115 | PushIRQ: |
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[184] | 116 | eMOVZX ax, BYTE [cs:si+IDEVARS.bIRQ] |
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[3] | 117 | push ax |
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| 118 | |
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| 119 | ;-------------------------------------------------------------------- |
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[88] | 120 | ; PushResetStatus |
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[3] | 121 | ; Parameters: |
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| 122 | ; DS:DI: Ptr to DPT |
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| 123 | ; CS:SI: Ptr to IDEVARS |
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| 124 | ; Returns: |
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[88] | 125 | ; Nothing (falls to next push below) |
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[3] | 126 | ; Corrupts registers: |
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[88] | 127 | ; AX |
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[3] | 128 | ;-------------------------------------------------------------------- |
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[88] | 129 | PushResetStatus: |
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[158] | 130 | mov al, [di+DPT.bFlagsHigh] |
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| 131 | and ax, MASKH_DPT_RESET |
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[88] | 132 | push ax |
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[3] | 133 | |
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| 134 | ;-------------------------------------------------------------------- |
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[96] | 135 | ; PrintValuesFromStack |
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[3] | 136 | ; Parameters: |
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| 137 | ; Stack: All formatting parameters |
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| 138 | ; Returns: |
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| 139 | ; Nothing |
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| 140 | ; Corrupts registers: |
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[88] | 141 | ; AX, SI, DI |
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[3] | 142 | ;-------------------------------------------------------------------- |
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[96] | 143 | PrintValuesFromStack: |
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[3] | 144 | mov si, g_szCfgFormat |
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[192] | 145 | jmp BootPrint_BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay |
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[96] | 146 | |
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