📄 ide.cod

📁 EP9315的BSP包(WINCE下的BSP,内有各种驱动的详细的代码)
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; Listing generated by Microsoft (R) Optimizing Compiler Version 12.20.9615 

	TTL	d:\wince420\platform\ep931x\eboot\.\ide.c
	CODE32

  00000			 AREA	 |.drectve|, DRECTVE
	DCB	"-defaultlib:coredll.lib "
	DCB	"-defaultlib:corelibc.lib "

	EXPORT	|g_sectorsread| [ DATA ]
	EXPORT	|g_bstartcounting| [ DATA ]
	EXPORT	|g_bLBAMode| [ DATA ]

  00000			 AREA	 |.data|, DATA
	 COMMON	|g_drvparms|, 0x6

	 COMMON	|g_bsect|, 0x200


  00000			 AREA	 |.bss|, NOINIT
|g_sectorsread| % 0x4
|g_bstartcounting| % 0x1
|g_bLBAMode| %	0x4

  00000			 AREA	 |.rdata|, DATA, READONLY
|EdbgVendorIds| DCW 0x0
	DCW	0x0
	DCD	0x4033
	DCB	0x1
	DCB	"AD", 0x0
	DCW	0x1050
	DCW	0x940
	DCD	0x4005
	DCB	0x1
	DCB	"LS", 0x0
	DCW	0x1050
	DCW	0x940
	DCD	0x2078
	DCB	0x1
	DCB	"LS", 0x0
	DCW	0x10ec
	DCW	0x8029
	DCD	0xc0f0
	DCB	0x1
	DCB	"KS", 0x0
	DCW	0x10ec
	DCW	0x8129
	DCD	0x0
	DCB	0x4
	DCB	"RT", 0x0
	DCW	0x10ec
	DCW	0x8139
	DCD	0x900b
	DCB	0x4
	DCB	"RT", 0x0
	DCW	0x10ec
	DCW	0x8139
	DCD	0xd0c9
	DCB	0x4
	DCB	"RT", 0x0
	DCW	0x10ec
	DCW	0x8139
	DCD	0xe04c
	DCB	0x4
	DCB	"RT", 0x0
	DCW	0x1186
	DCW	0x1300
	DCD	0x50ba
	DCB	0x4
	DCB	"DL", 0x0
	DCW	0x100b
	DCW	0x20
	DCD	0xa0cc
	DCB	0x5
	DCB	"NG", 0x0
	DCW	0x10b7
	DCW	0x9050
	DCD	0x6008
	DCB	0x6
	DCB	"3C", 0x0
	DCW	0x10b7
	DCW	0x9200
	DCD	0x476
	DCB	0x6
	DCB	"3C", 0x0
	EXPORT	|ide_reset|
	EXPORT	|??_C@_0BG@HLNO@ide_reset?3?5entered?4?$AN?6?$AA@| [ DATA ] ; `string'
	EXPORT	|??_C@_0BP@NPCA@WARNING?3?5Drive?5reset?5failed?4?$AN?6?$AA@| [ DATA ] ; `string'
	EXPORT	|??_C@_0BD@BAMF@ide_reset?3?5done?4?$AN?6?$AA@| [ DATA ] ; `string'
	IMPORT	|DelayInMsec|
	IMPORT	|EdbgOutputDebugString|
; File d:\wince420\platform\ep931x\eboot\ide.c

  00000			 AREA	 |.text| { |ide_reset| }, CODE, ARM, SELECTION=1 ; comdat noduplicate

  00000			 AREA	 |.pdata$$ide_reset|, PDATA, SELECTION=5, ASSOC=|.text| { |ide_reset| } ; comdat associative
|$T37359| DCD	|ide_reset|
	DCD	0x40002001

  00000			 AREA	 |.rdata| { |??_C@_0BG@HLNO@ide_reset?3?5entered?4?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0BG@HLNO@ide_reset?3?5entered?4?$AN?6?$AA@| DCB "ide_reset: entere"
	DCB	"d.", 0xd, 0xa, 0x0			; `string'

  00000			 AREA	 |.rdata| { |??_C@_0BP@NPCA@WARNING?3?5Drive?5reset?5failed?4?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0BP@NPCA@WARNING?3?5Drive?5reset?5failed?4?$AN?6?$AA@| DCB "WARNIN"
	DCB	"G: Drive reset failed.", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_0BD@BAMF@ide_reset?3?5done?4?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0BD@BAMF@ide_reset?3?5done?4?$AN?6?$AA@| DCB "ide_reset: done.", 0xd
	DCB	0xa, 0x0				; `string'
; Function compile flags: /Ogsy

  00000			 AREA	 |.text| { |ide_reset| }, CODE, ARM, SELECTION=1 ; comdat noduplicate

  00000		 |ide_reset| PROC

; 77   : {

  00000	e92d4030	 stmdb     sp!, {r4, r5, lr}
  00004		 |$M37357|

; 78   : 
; 79   :     DEBUGMSG(ZONE_INFO, (TEXT("ide_reset: entered.\r\n")));

  00004	e59f0070	 ldr       r0, [pc, #0x70]
  00008	eb000000	 bl        EdbgOutputDebugString
  0000c	e3a0511d	 mov       r5, #0x1D, 2
  00010		 |$L37022|

; 80   : 
; 81   :     WAIT_IDE_BUSY;

  00010	e5d50000	 ldrb      r0, [r5]
  00014	e3100080	 tst       r0, #0x80
  00018	1afffffc	 bne       |$L37022|

; 82   :     WRITE_IDE_UCHAR(IDE_ALT_CTRL_REG, (IDE_ALT_CTRL_SRST | IDE_ALT_CTRL_DSBL_INTR));

  0001c	e3a00006	 mov       r0, #6
  00020	e3a04139	 mov       r4, #0x39, 2
  00024	e5c40000	 strb      r0, [r4]

; 83   :     //WAIT_IDE_NOT_BUSY;
; 84   : 
; 85   :     //
; 86   :     // The IDE specification says wait 4 Milliseconds and nothing about waiting for
; 87   :     // busy.
; 88   :     //
; 89   :     DelayInMsec(4);

  00028	e3a00004	 mov       r0, #4
  0002c	eb000000	 bl        DelayInMsec

; 90   :     WRITE_IDE_UCHAR(IDE_ALT_CTRL_REG, IDE_ALT_CTRL_DSBL_INTR);

  00030	e3a03002	 mov       r3, #2
  00034	e5c43000	 strb      r3, [r4]
  00038		 |$L37028|

; 91   :     WAIT_IDE_NOT_DRDY;

  00038	e5d50000	 ldrb      r0, [r5]
  0003c	e3100040	 tst       r0, #0x40
  00040	0afffffc	 beq       |$L37028|
  00044		 |$L37032|

; 92   :     WAIT_IDE_BUSY;

  00044	e5d50000	 ldrb      r0, [r5]
  00048	e3100080	 tst       r0, #0x80
  0004c	1afffffc	 bne       |$L37032|

; 93   : 
; 94   :     if(IS_IDE_ERROR)

  00050	e5d50000	 ldrb      r0, [r5]
  00054	e3100001	 tst       r0, #1

; 95   :     {
; 96   :         RETAILMSG(1, (TEXT("WARNING: Drive reset failed.\r\n")));

  00058	159f0018	 ldrne     r0, [pc, #0x18]
  0005c	1b000000	 blne      EdbgOutputDebugString

; 97   :     }
; 98   : 
; 99   :     DEBUGMSG(ZONE_INFO, (TEXT("ide_reset: done.\r\n")));

  00060	e59f000c	 ldr       r0, [pc, #0xC]
  00064	eb000000	 bl        EdbgOutputDebugString

; 100  : 
; 101  :     return(0); 

  00068	e3a00000	 mov       r0, #0

; 102  : }

  0006c	e8bd4030	 ldmia     sp!, {r4, r5, lr}
  00070	e12fff1e	 bx        lr
  00074		 |$L37361|
  00074	00000000	 DCD       |??_C@_0BD@BAMF@ide_reset?3?5done?4?$AN?6?$AA@|
  00078	00000000	 DCD       |??_C@_0BP@NPCA@WARNING?3?5Drive?5reset?5failed?4?$AN?6?$AA@|
  0007c	00000000	 DCD       |??_C@_0BG@HLNO@ide_reset?3?5entered?4?$AN?6?$AA@|
  00080		 |$M37358|

			 ENDP  ; |ide_reset|

	EXPORT	|id_drive|
	EXPORT	|??_C@_04GJCL@B6?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_04DLDN@B7?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_04BFOJ@B8?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_04EHPP@B9?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_0BK@FHIB@ERROR?3?5Drive?5ID?5failed?4?$AN?6?$AA@| [ DATA ] ; `string'
	EXPORT	|??_C@_05IFC@B10?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_05FKEE@B11?$AN?6?$AA@| [ DATA ]	; `string'
	EXPORT	|??_C@_0DJ@BJBM@LBA?5Mode?5?$CIC?3H?3S?5?$DN?5?$CFd?3?$CFd?3?$CFd?5?5addr@| [ DATA ] ; `string'
	EXPORT	|??_C@_0CD@HPCF@Loading?5image?5from?5hard?5drive?4?4?4@| [ DATA ] ; `string'
	IMPORT	|memset|

  00000			 AREA	 |.text| { |id_drive| }, CODE, ARM, SELECTION=1 ; comdat noduplicate

  00000			 AREA	 |.pdata$$id_drive|, PDATA, SELECTION=5, ASSOC=|.text| { |id_drive| } ; comdat associative
|$T37394| DCD	|id_drive|
	DCD	0x40006f02

  00000			 AREA	 |.rdata| { |??_C@_04GJCL@B6?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_04GJCL@B6?$AN?6?$AA@| DCB "B6", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_04DLDN@B7?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_04DLDN@B7?$AN?6?$AA@| DCB "B7", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_04BFOJ@B8?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_04BFOJ@B8?$AN?6?$AA@| DCB "B8", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_04EHPP@B9?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_04EHPP@B9?$AN?6?$AA@| DCB "B9", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_0BK@FHIB@ERROR?3?5Drive?5ID?5failed?4?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0BK@FHIB@ERROR?3?5Drive?5ID?5failed?4?$AN?6?$AA@| DCB "ERROR: Driv"
	DCB	"e ID failed.", 0xd, 0xa, 0x0		; `string'

  00000			 AREA	 |.rdata| { |??_C@_05IFC@B10?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_05IFC@B10?$AN?6?$AA@| DCB "B10", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_05FKEE@B11?$AN?6?$AA@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_05FKEE@B11?$AN?6?$AA@| DCB "B11", 0xd, 0xa, 0x0	; `string'

  00000			 AREA	 |.rdata| { |??_C@_0DJ@BJBM@LBA?5Mode?5?$CIC?3H?3S?5?$DN?5?$CFd?3?$CFd?3?$CFd?5?5addr@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0DJ@BJBM@LBA?5Mode?5?$CIC?3H?3S?5?$DN?5?$CFd?3?$CFd?3?$CFd?5?5addr@| DCB "L"
	DCB	"BA Mode (C:H:S = %d:%d:%d  addressable sectors = %d).", 0xd
	DCB	0xa, 0x0				; `string'

  00000			 AREA	 |.rdata| { |??_C@_0CD@HPCF@Loading?5image?5from?5hard?5drive?4?4?4@| }, DATA, READONLY, SELECTION=2 ; comdat any
|??_C@_0CD@HPCF@Loading?5image?5from?5hard?5drive?4?4?4@| DCB "Loading im"
	DCB	"age from hard drive...", 0xd, 0xa, 0x0	; `string'
; Function compile flags: /Ogsy

  00000			 AREA	 |.text| { |id_drive| }, CODE, ARM, SELECTION=1 ; comdat noduplicate

  00000		 |id_drive| PROC

; 106  : {

  00000	e92d4070	 stmdb     sp!, {r4 - r6, lr}
  00004	e24dd084	 sub       sp, sp, #0x84
  00008		 |$M37392|

; 107  :     USHORT cnt=0;
; 108  :     drv_id_hdr hdr;
; 109  : 
; 110  :     DEBUGMSG(ZONE_BOOTPROG, (TEXT("B6\r\n")));

  00008	e59f01a8	 ldr       r0, [pc, #0x1A8]
  0000c	eb000000	 bl        EdbgOutputDebugString

; 111  : 
; 112  :     // Select the drive.
; 113  :     //
; 114  :     WRITE_IDE_UCHAR(IDE_DRVHD_REG, IDE_HEAD_DRIVE_1);

  00010	e3a05119	 mov       r5, #0x19, 2
  00014	e3a040a0	 mov       r4, #0xA0
  00018	e5c54000	 strb      r4, [r5]

; 115  : 
; 116  :     // Reset the drive.
; 117  :     //
; 118  :     if (ide_reset())

  0001c	eb000000	 bl        ide_reset
  00020	e3500000	 cmp       r0, #0

; 119  :         return(-1);

  00024	1a000021	 bne       |$L37391|

; 120  :    
; 121  :     DEBUGMSG(ZONE_BOOTPROG, (TEXT("B7\r\n")));

  00028	e59f0184	 ldr       r0, [pc, #0x184]
  0002c	eb000000	 bl        EdbgOutputDebugString
  00030	e3a0611d	 mov       r6, #0x1D, 2
  00034		 |$L37050|

; 122  : 
; 123  :     WAIT_IDE_BUSY;

  00034	e5d60000	 ldrb      r0, [r6]
  00038	e3100080	 tst       r0, #0x80
  0003c	1afffffc	 bne       |$L37050|

; 124  :  
; 125  :     // Select the drive.
; 126  :     //
; 127  :     WRITE_IDE_UCHAR(IDE_DRVHD_REG, IDE_HEAD_DRIVE_1);
; 128  : 
; 129  :     DEBUGMSG(ZONE_BOOTPROG, (TEXT("B8\r\n")));

  00040	e59f0168	 ldr       r0, [pc, #0x168]
  00044	e5c54000	 strb      r4, [r5]
  00048	eb000000	 bl        EdbgOutputDebugString

; 130  : 
; 131  :     // Identify the drive.
; 132  :     //
; 133  :     memset(&hdr, 0, sizeof(drv_id_hdr));

  0004c	e3a02080	 mov       r2, #0x80
  00050	e3a01000	 mov       r1, #0
  00054	e28d0004	 add       r0, sp, #4
  00058	eb000000	 bl        memset
  0005c		 |$L37057|

; 134  : 
; 135  :     WAIT_IDE_BUSY;

  0005c	e5d60000	 ldrb      r0, [r6]
  00060	e3100080	 tst       r0, #0x80
  00064	1afffffc	 bne       |$L37057|
  00068		 |$L37061|

; 136  :     WAIT_IDE_NOT_DRDY;

  00068	e5d60000	 ldrb      r0, [r6]
  0006c	e3100040	 tst       r0, #0x40
  00070	0afffffc	 beq       |$L37061|

; 137  :     WRITE_IDE_UCHAR(IDE_CMD_REG, IDE_IDDRIVE_CMD);

  00074	e3a000ec	 mov       r0, #0xEC
  00078	e5c60000	 strb      r0, [r6]
  0007c		 |$L37066|

; 138  :     WAIT_IDE_BUSY;

  0007c	e5d60000	 ldrb      r0, [r6]
  00080	e3100080	 tst       r0, #0x80
  00084	1afffffc	 bne       |$L37066|
  00088		 |$L37070|

; 139  :     WAIT_IDE_NOT_DRQ;

  00088	e5d60000	 ldrb      r0, [r6]
  0008c	e3100008	 tst       r0, #8
  00090	0afffffc	 beq       |$L37070|

; 140  : 
; 141  :     DEBUGMSG(ZONE_BOOTPROG, (TEXT("B9\r\n")));

  00094	e59f0110	 ldr       r0, [pc, #0x110]
  00098	eb000000	 bl        EdbgOutputDebugString

; 142  : 
; 143  :     if(IS_IDE_ERROR)

  0009c	e5d63000	 ldrb      r3, [r6]
  000a0	e3130001	 tst       r3, #1
  000a4	0a000003	 beq       |$L37074|

; 144  :     {
; 145  :         RETAILMSG(1, (TEXT("ERROR: Drive ID failed.\r\n")));         

  000a8	e59f00f8	 ldr       r0, [pc, #0xF8]
  000ac	eb000000	 bl        EdbgOutputDebugString
  000b0		 |$L37391|

; 146  :         return(-1);

  000b0	e3e05000	 mvn       r5, #0
  000b4	ea000031	 b         |$L37041|
  000b8		 |$L37074|

; 147  :     }
; 148  :    
; 149  :     DEBUGMSG(ZONE_BOOTPROG, (TEXT("B10\r\n")));

  000b8	e59f00e4	 ldr       r0, [pc, #0xE4]
  000bc	eb000000	 bl        EdbgOutputDebugString

; 150  : 
; 151  :     // Read id info from IDE sector buffer
; 152  :     for(cnt = 0 ; cnt < (sizeof(drv_id_hdr) / sizeof(USHORT)) ; cnt++)

  000c0	e3a05000	 mov       r5, #0
  000c4	e1a02005	 mov       r2, r5
  000c8	e3a03101	 mov       r3, #1, 2
  000cc		 |$L37080|

; 153  :         *((USHORT *)(&hdr) + cnt) = READ_IDE_USHORT(IDE_DATA_REG);

  000cc	e28d0004	 add       r0, sp, #4
  000d0	e1d310b0	 ldrh      r1, [r3]
  000d4	e0800082	 add       r0, r0, r2, lsl #1
  000d8	e1c010b0	 strh      r1, [r0]
  000dc	e2821001	 add       r1, r2, #1
  000e0	e1a00801	 mov       r0, r1, lsl #16
  000e4	e1a02820	 mov       r2, r0, lsr #16
  000e8	e1a01802	 mov       r1, r2, lsl #16
  000ec	e1a02821	 mov       r2, r1, lsr #16
  000f0	e3520040	 cmp       r2, #0x40
  000f4	3afffff4	 bcc       |$L37080|

; 154  : 
; 155  :     // Read the remainder of the sector buffer and toss away...
; 156  :     //
; 157  :     while(READ_IDE_UCHAR(IDE_STAT_REG) & IDE_STATUS_DRQ)

  000f8	e5d60000	 ldrb      r0, [r6]
  000fc	e3100008	 tst       r0, #8
  00100	0a000003	 beq       |$L37088|
  00104		 |$L37087|

; 158  :     {
; 159  :         READ_IDE_USHORT(IDE_DATA_REG);

  00104	e1d300b0	 ldrh      r0, [r3]
  00108	e5d61000	 ldrb      r1, [r6]
  0010c	e3110008	 tst       r1, #8
  00110	1afffffb	 bne       |$L37087|
  00114		 |$L37088|
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