source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrintCfg.asm@ 191

Last change on this file since 191 was 191, checked in by gregli@…, 13 years ago

Space optimization in Address.asm, includes bug fix for BootMenuPrintCfg.asm (was using a word index instead of a byte index).

File size: 3.8 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Functions for printing drive configuration
3; information on Boot Menu.
4
5; Section containing code
6SECTION .text
7
8;--------------------------------------------------------------------
9; Prints Hard Disk configuration for drive handled by our BIOS.
10; Cursor is set to configuration header string position.
11;
12; BootMenuPrintCfg_ForOurDrive
13; Parameters:
14; DS: Segment to DPT
15; Stack: Offset to DPT
16; Returns:
17; Nothing
18; Corrupts registers:
19; AX, BX, CX, DX, SI, DI
20;--------------------------------------------------------------------
21ALIGN JUMP_ALIGN
22BootMenuPrintCfg_ForOurDrive:
23 mov si, g_szCfgHeader
24 call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
25 pop di
26 eMOVZX ax, BYTE [di+DPT.bIdevarsOffset]
27 xchg si, ax ; CS:SI now points to IDEVARS
28 ; Fall to PushAndFormatCfgString
29
30;--------------------------------------------------------------------
31; PushAndFormatCfgString
32; Parameters:
33; DS:DI: Ptr to DPT
34; CS:SI: Ptr to IDEVARS
35; Returns:
36; Nothing
37; Corrupts registers:
38; AX, DX, SI, DI
39;--------------------------------------------------------------------
40PushAndFormatCfgString:
41 push bp
42 mov bp, sp
43 ; Fall to first push below
44
45;--------------------------------------------------------------------
46; PushAddressingMode
47; Parameters:
48; DS:DI: Ptr to DPT
49; CS:SI: Ptr to IDEVARS
50; Returns:
51; Nothing (jumps to next push below)
52; Corrupts registers:
53; AX, BX
54;--------------------------------------------------------------------
55PushAddressingMode:
56 call AccessDPT_GetAddressingModeToAXZF
57 mov bl,g_szAddressingModes_Displacement
58 mul bl
59 add ax,g_szAddressingModes
60 push ax
61
62;--------------------------------------------------------------------
63; PushBlockMode
64; Parameters:
65; DS:DI: Ptr to DPT
66; CS:SI: Ptr to IDEVARS
67; Returns:
68; Nothing (falls to next push below)
69; Corrupts registers:
70; AX
71;--------------------------------------------------------------------
72PushBlockMode:
73 mov ax, 1
74 test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
75 jz SHORT .PushBlockSizeFromAX
76 mov al, [di+DPT_ATA.bSetBlock]
77.PushBlockSizeFromAX:
78 push ax
79
80;--------------------------------------------------------------------
81; PushBusType
82; Parameters:
83; DS:DI: Ptr to DPT
84; CS:SI: Ptr to IDEVARS
85; Returns:
86; Nothing (jumps to next push below)
87; Corrupts registers:
88; AX, DX
89;--------------------------------------------------------------------
90;PushBusType:
91 mov al,g_szBusTypeValues_Displacement
92 mul BYTE [cs:si+IDEVARS.bDevice]
93
94 shr ax,1 ; divide by 2 since IDEVARS.bDevice is multiplied by 2
95
96 add ax,g_szBusTypeValues
97 push ax
98
99;--------------------------------------------------------------------
100; PushIRQ
101; Parameters:
102; DS:DI: Ptr to DPT
103; CS:SI: Ptr to IDEVARS
104; Returns:
105; Nothing (falls to next push below)
106; Corrupts registers:
107; AX, DX
108;--------------------------------------------------------------------
109PushIRQ:
110 eMOVZX ax, BYTE [cs:si+IDEVARS.bIRQ]
111 push ax
112
113;--------------------------------------------------------------------
114; PushResetStatus
115; Parameters:
116; DS:DI: Ptr to DPT
117; CS:SI: Ptr to IDEVARS
118; Returns:
119; Nothing (falls to next push below)
120; Corrupts registers:
121; AX
122;--------------------------------------------------------------------
123PushResetStatus:
124 mov al, [di+DPT.bFlagsHigh]
125 and ax, MASKH_DPT_RESET
126 push ax
127
128;--------------------------------------------------------------------
129; PrintValuesFromStack
130; Parameters:
131; Stack: All formatting parameters
132; Returns:
133; Nothing
134; Corrupts registers:
135; AX, SI, DI
136;--------------------------------------------------------------------
137PrintValuesFromStack:
138 mov si, g_szCfgFormat
139 jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
140
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