URL https://opencores.org/ocsvn/usb_nand_reader/usb_nand_reader/trunk

Subversion Repositories usb_nand_reader

[/] [usb_nand_reader/] [trunk/] [mini32/] [CMD_ReadID.asm] - Blame information for rev 7

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_cmd_chip_read_id:
;CMD_ReadID.c,5 ::              void cmd_chip_read_id(unsigned char* outBuffer, int addr)
ADDIU   SP, SP, -20
SW      RA, 0(SP)
SW      R26, 4(SP)
SH      R26, 16(SP)
;CMD_ReadID.c,7 ::              nand_send_command(NC_READ_ID);
SW      R25, 8(SP)
ORI     R25, R0, 144
JAL     _nand_send_command+0
NOP
;CMD_ReadID.c,8 ::              nand_send_address(&addr, 1);
ADDIU   R2, SP, 16
ORI     R26, R0, 1
MOVZ    R25, R2, R0
JAL     _nand_send_address+0
NOP
;CMD_ReadID.c,9 ::              do_delay(10);
ORI     R25, R0, 10
JAL     _do_delay+0
NOP
LW      R25, 8(SP)
;CMD_ReadID.c,10 ::             while(!nand_is_ready());
L_cmd_chip_read_id0:
SH      R26, 8(SP)
SW      R25, 12(SP)
JAL     _nand_is_ready+0
NOP
LW      R25, 12(SP)
LH      R26, 8(SP)
BEQ     R2, R0, L__cmd_chip_read_id7
NOP
J       L_cmd_chip_read_id1
NOP
L__cmd_chip_read_id7:
J       L_cmd_chip_read_id0
NOP
L_cmd_chip_read_id1:
;CMD_ReadID.c,11 ::             do_delay(2500);
SH      R26, 8(SP)
SW      R25, 12(SP)
ORI     R25, R0, 2500
JAL     _do_delay+0
NOP
LW      R25, 12(SP)
LH      R26, 8(SP)
;CMD_ReadID.c,12 ::             if(0 == addr)
LH      R2, 16(SP)
BEQ     R2, R0, L__cmd_chip_read_id8
NOP
J       L_cmd_chip_read_id2
NOP
L__cmd_chip_read_id8:
;CMD_ReadID.c,13 ::             nand_read(outBuffer, 5);
SH      R26, 8(SP)
SW      R25, 12(SP)
ORI     R26, R0, 5
JAL     _nand_read+0
NOP
LW      R25, 12(SP)
LH      R26, 8(SP)
J       L_cmd_chip_read_id3
NOP
L_cmd_chip_read_id2:
;CMD_ReadID.c,15 ::             nand_read(outBuffer, 4);
SH      R26, 8(SP)
SW      R25, 12(SP)
ORI     R26, R0, 4
JAL     _nand_read+0
NOP
LW      R25, 12(SP)
LH      R26, 8(SP)
L_cmd_chip_read_id3:
;CMD_ReadID.c,16 ::             }
L_end_cmd_chip_read_id:
LW      R26, 4(SP)
LW      RA, 0(SP)
ADDIU   SP, SP, 20
JR      RA
NOP
; end of _cmd_chip_read_id
_cmd_chip_read_unique_id:
;CMD_ReadID.c,18 ::             void cmd_chip_read_unique_id(unsigned char* outBuffer)
ADDIU   SP, SP, -12
SW      RA, 0(SP)
;CMD_ReadID.c,20 ::             nand_send_command(NC_READ_UNIQUE_ID);
SW      R26, 4(SP)
SW      R25, 8(SP)
ORI     R25, R0, 237
JAL     _nand_send_command+0
NOP
;CMD_ReadID.c,21 ::             nand_send_address(0, 1);
ORI     R26, R0, 1
MOVZ    R25, R0, R0
JAL     _nand_send_address+0
NOP
;CMD_ReadID.c,22 ::             do_delay(10);
ORI     R25, R0, 10
JAL     _do_delay+0
NOP
;CMD_ReadID.c,23 ::             nand_wait_ready();
JAL     _nand_wait_ready+0
NOP
;CMD_ReadID.c,24 ::             do_delay(2500);
ORI     R25, R0, 2500
JAL     _do_delay+0
NOP
LW      R25, 8(SP)
;CMD_ReadID.c,25 ::             while(0 != (cmd_chip_read_status() & 0x0f));
L_cmd_chip_read_unique_id4:
SW      R25, 8(SP)
JAL     _cmd_chip_read_status+0
NOP
LW      R25, 8(SP)
ANDI    R2, R2, 15
ANDI    R2, R2, 255
BNE     R2, R0, L__cmd_chip_read_unique_id11
NOP
J       L_cmd_chip_read_unique_id5
NOP
L__cmd_chip_read_unique_id11:
J       L_cmd_chip_read_unique_id4
NOP
L_cmd_chip_read_unique_id5:
;CMD_ReadID.c,26 ::             nand_send_command(NC_READ_MODE);
SW      R25, 8(SP)
MOVZ    R25, R0, R0
JAL     _nand_send_command+0
NOP
LW      R25, 8(SP)
;CMD_ReadID.c,27 ::             nand_read(outBuffer, 64);
SW      R25, 8(SP)
ORI     R26, R0, 64
JAL     _nand_read+0
NOP
LW      R25, 8(SP)
;CMD_ReadID.c,28 ::             }
L_end_cmd_chip_read_unique_id:
LW      R26, 4(SP)
LW      RA, 0(SP)
ADDIU   SP, SP, 12
JR      RA
NOP
; end of _cmd_chip_read_unique_id

Line No.	Rev	Author	Line
1	7	pradd	`_cmd_chip_read_id:`
2			`;CMD_ReadID.c,5 :: void cmd_chip_read_id(unsigned char* outBuffer, int addr)`
3			`ADDIU SP, SP, -20`
4			`SW RA, 0(SP)`
5			`SW R26, 4(SP)`
6			`SH R26, 16(SP)`
7			`;CMD_ReadID.c,7 :: nand_send_command(NC_READ_ID);`
8			`SW R25, 8(SP)`
9			`ORI R25, R0, 144`
10			`JAL _nand_send_command+0`
11			`NOP`
12			`;CMD_ReadID.c,8 :: nand_send_address(&addr, 1);`
13			`ADDIU R2, SP, 16`
14			`ORI R26, R0, 1`
15			`MOVZ R25, R2, R0`
16			`JAL _nand_send_address+0`
17			`NOP`
18			`;CMD_ReadID.c,9 :: do_delay(10);`
19			`ORI R25, R0, 10`
20			`JAL _do_delay+0`
21			`NOP`
22			`LW R25, 8(SP)`
23			`;CMD_ReadID.c,10 :: while(!nand_is_ready());`
24			`L_cmd_chip_read_id0:`
25			`SH R26, 8(SP)`
26			`SW R25, 12(SP)`
27			`JAL _nand_is_ready+0`
28			`NOP`
29			`LW R25, 12(SP)`
30			`LH R26, 8(SP)`
31			`BEQ R2, R0, L__cmd_chip_read_id7`
32			`NOP`
33			`J L_cmd_chip_read_id1`
34			`NOP`
35			`L__cmd_chip_read_id7:`
36			`J L_cmd_chip_read_id0`
37			`NOP`
38			`L_cmd_chip_read_id1:`
39			`;CMD_ReadID.c,11 :: do_delay(2500);`
40			`SH R26, 8(SP)`
41			`SW R25, 12(SP)`
42			`ORI R25, R0, 2500`
43			`JAL _do_delay+0`
44			`NOP`
45			`LW R25, 12(SP)`
46			`LH R26, 8(SP)`
47			`;CMD_ReadID.c,12 :: if(0 == addr)`
48			`LH R2, 16(SP)`
49			`BEQ R2, R0, L__cmd_chip_read_id8`
50			`NOP`
51			`J L_cmd_chip_read_id2`
52			`NOP`
53			`L__cmd_chip_read_id8:`
54			`;CMD_ReadID.c,13 :: nand_read(outBuffer, 5);`
55			`SH R26, 8(SP)`
56			`SW R25, 12(SP)`
57			`ORI R26, R0, 5`
58			`JAL _nand_read+0`
59			`NOP`
60			`LW R25, 12(SP)`
61			`LH R26, 8(SP)`
62			`J L_cmd_chip_read_id3`
63			`NOP`
64			`L_cmd_chip_read_id2:`
65			`;CMD_ReadID.c,15 :: nand_read(outBuffer, 4);`
66			`SH R26, 8(SP)`
67			`SW R25, 12(SP)`
68			`ORI R26, R0, 4`
69			`JAL _nand_read+0`
70			`NOP`
71			`LW R25, 12(SP)`
72			`LH R26, 8(SP)`
73			`L_cmd_chip_read_id3:`
74			`;CMD_ReadID.c,16 :: }`
75			`L_end_cmd_chip_read_id:`
76			`LW R26, 4(SP)`
77			`LW RA, 0(SP)`
78			`ADDIU SP, SP, 20`
79			`JR RA`
80			`NOP`
81			`; end of _cmd_chip_read_id`
82			`_cmd_chip_read_unique_id:`
83			`;CMD_ReadID.c,18 :: void cmd_chip_read_unique_id(unsigned char* outBuffer)`
84			`ADDIU SP, SP, -12`
85			`SW RA, 0(SP)`
86			`;CMD_ReadID.c,20 :: nand_send_command(NC_READ_UNIQUE_ID);`
87			`SW R26, 4(SP)`
88			`SW R25, 8(SP)`
89			`ORI R25, R0, 237`
90			`JAL _nand_send_command+0`
91			`NOP`
92			`;CMD_ReadID.c,21 :: nand_send_address(0, 1);`
93			`ORI R26, R0, 1`
94			`MOVZ R25, R0, R0`
95			`JAL _nand_send_address+0`
96			`NOP`
97			`;CMD_ReadID.c,22 :: do_delay(10);`
98			`ORI R25, R0, 10`
99			`JAL _do_delay+0`
100			`NOP`
101			`;CMD_ReadID.c,23 :: nand_wait_ready();`
102			`JAL _nand_wait_ready+0`
103			`NOP`
104			`;CMD_ReadID.c,24 :: do_delay(2500);`
105			`ORI R25, R0, 2500`
106			`JAL _do_delay+0`
107			`NOP`
108			`LW R25, 8(SP)`
109			`;CMD_ReadID.c,25 :: while(0 != (cmd_chip_read_status() & 0x0f));`
110			`L_cmd_chip_read_unique_id4:`
111			`SW R25, 8(SP)`
112			`JAL _cmd_chip_read_status+0`
113			`NOP`
114			`LW R25, 8(SP)`
115			`ANDI R2, R2, 15`
116			`ANDI R2, R2, 255`
117			`BNE R2, R0, L__cmd_chip_read_unique_id11`
118			`NOP`
119			`J L_cmd_chip_read_unique_id5`
120			`NOP`
121			`L__cmd_chip_read_unique_id11:`
122			`J L_cmd_chip_read_unique_id4`
123			`NOP`
124			`L_cmd_chip_read_unique_id5:`
125			`;CMD_ReadID.c,26 :: nand_send_command(NC_READ_MODE);`
126			`SW R25, 8(SP)`
127			`MOVZ R25, R0, R0`
128			`JAL _nand_send_command+0`
129			`NOP`
130			`LW R25, 8(SP)`
131			`;CMD_ReadID.c,27 :: nand_read(outBuffer, 64);`
132			`SW R25, 8(SP)`
133			`ORI R26, R0, 64`
134			`JAL _nand_read+0`
135			`NOP`
136			`LW R25, 8(SP)`
137			`;CMD_ReadID.c,28 :: }`
138			`L_end_cmd_chip_read_unique_id:`
139			`LW R26, 4(SP)`
140			`LW RA, 0(SP)`
141			`ADDIU SP, SP, 12`
142			`JR RA`
143			`NOP`
144			`; end of _cmd_chip_read_unique_id`

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[/] [usb_nand_reader/] [trunk/] [mini32/] [CMD_ReadID.asm] - Blame information for rev 7