RE: how to run hello world in on-chip ram?

> -----Original Message-----
> From: openrisc-bounces@...
> [mailto:openrisc-bounces@...]On Behalf Of charlie yang
> Sent: 21 November 2007 11:57
> To: openrisc@...
> Subject: Re: [openrisc] how to run hello world in on-chip ram?
>
>
> Hi,Roboert,
>
> I don't know if the hello.hex is not suit for the altera ram. I
> use a single
> port ram with 4kx32bit.  and set the ram.ld as:
> MEMORY
>         {
>         vectors : ORIGIN = 0x00000000, LENGTH = 0x000000200
>         ram     : ORIGIN = 0x000000200, LENGTH = 0x000000f00 -
> 0x0000200
>         }
>  when initializing the ram, i use the content offset to 0x100 in
> hello.hex
> and cut the no useful information before address 0x100 ,which all is zero.
>
> In simulation, Ithe pc value (equal to wb_ss_adr_i) vs wb_ss_dat_o is:
> pc                  dat_o
> 0x000             15000000
> 0x100             9e000000
> 0x104             9e200000
> 0x108             9e400000
> ...
> 0x11c             9ee00000
> 0x120             Hiz   here cpu will report Starting exception: 7
> utill pc run 128, pc will jump to 0x700 ,then 0x704, and will repeat
> 0x700,0x704 forever. the wb_ss_dat_o value is always 15000000.
> what happen to this?
>
> here is my chopped hello.hex:
> :2000000015000000150000009C4000009C6000009C8000009CA000009CC
> 000009CE00000AE
> :200020009D0000009D2000009D4000009D6000009D8000009DA000009DC
> 000009DE0000058
> :200040009E0000009E2000009E4000009E6000009E8000009EA000009EC0
> 00009EE0000030
> :200060009F0000009F2000009F4000009F6000009F8000009FA000009FC0
> 00009FE0000008
> :2000800018200000A82135529C40FFFDE021100318400000A8422450440
> 010009C40000006
> :2000A0004400480015000000000000000000000000000000000000000000
> 0000000000009F
> :2000C0000000000000000000000000000000000000000000000000000000
> 00000000000020
> :2000E0000000000000000000000000000000000000000000000000000000
> 00000000000000
> :200100000000000000000000000000000000000000000000000000000000
> 000000000000DF
> :200120000000000000000000000000000000000000000000000000000000
> 000000000000BF
> :200140000000000000000000000000000000000000000000000000000000
> 0000000000009F
> :200160000000000000000000000000000000000000000000000000000000
> 0000000000007F
> :200180000000000000000000000000000000000000000000000000000000
> 0000000000005F
> :2001A0000000000000000000000000000000000000000000000000000000
> 0000000000003F
> :2001C0000000000000000000000000000000000000000000000000000000
> 0000000000001F
> :2001E0000000000000000000000000000000000000000000000000000000
> 000000000000FF
> :200200000000000000000000000000000000000000000000000000000000
> 000000000000DE
> :200220000000000000000000000000000000000000000000000000000000
> 000000000000BE
> :200240000000000000000000000000000000000000000000000000000000
> 0000000000009E
> :200260000000000000000000000000000000000000000000000000000000
> 0000000000007E
> :200280000000000000000000000000000000000000000000000000000000
> 0000000000005E
> :2002A0000000000000000000000000000000000000000000000000000000
> 0000000000003E
> :2002C0000000000000000000000000000000000000000000000000000000
> 0000000000001E
> :2002E0000000000000000000000000000000000000000000000000000000
> 000000000000FE
> :200300000000000000000000000000000000000000000000000000000000
> 000000000000DD
> :200320000000000000000000000000000000000000000000000000000000
> 000000000000BD
> :200340000000000000000000000000000000000000000000000000000000
> 0000000000009D
> :200360000000000000000000000000000000000000000000000000000000
> 0000000000007D
> :200380000000000000000000000000000000000000000000000000000000
> 0000000000005D
> :2003A0000000000000000000000000000000000000000000000000000000
> 0000000000003D
> :2003C0000000000000000000000000000000000000000000000000000000
> 0000000000001D
> :2003E0000000000000000000000000000000000000000000000000000000
> 000000000000FD
> :200400000000000000000000000000000000000000000000000000000000
> 000000000000DC
> :200420000000000000000000000000000000000000000000000000000000
> 000000000000BC
> :200440000000000000000000000000000000000000000000000000000000
> 0000000000009C
> :200460000000000000000000000000000000000000000000000000000000
> 0000000000007C
> :200480000000000000000000000000000000000000000000000000000000
> 0000000000005C
> :2004A0000000000000000000000000000000000000000000000000000000
> 0000000000003C
> :2004C0000000000000000000000000000000000000000000000000000000
> 0000000000001C
> :2004E0000000000000000000000000000000000000000000000000000000
> 000000000000FC
> :200500000000000000000000000000000000000000000000000000000000
> 000000000000DB
> :200520000000000000000000000000000000000000000000000000000000
> 000000000000BB
> :200540000000000000000000000000000000000000000000000000000000
> 0000000000009B
> :200560000000000000000000000000000000000000000000000000000000
> 0000000000007B
> :200580000000000000000000000000000000000000000000000000000000
> 0000000000005B
> :2005A0000000000000000000000000000000000000000000000000000000
> 0000000000003B
> :2005C0000000000000000000000000000000000000000000000000000000
> 0000000000001B
> :2005E0000000000000000000000000000000000000000000000000000000
> 000000000000FB
> :200600000000000000000000000000000000000000000000000000000000
> 000000000000DA
> :200620000000000000000000000000000000000000000000000000000000
> 000000000000BA
> :200640000000000000000000000000000000000000000000000000000000
> 0000000000009A
> :200660000000000000000000000000000000000000000000000000000000
> 0000000000007A
> :200680000000000000000000000000000000000000000000000000000000
> 0000000000005A
> :2006A0000000000000000000000000000000000000000000000000000000
> 0000000000003A
> :2006C0000000000000000000000000000000000000000000000000000000
> 0000000000001A
> :2006E0000000000000000000000000000000000000000000000000000000
> 000000000000FA
> :200700000000000000000000000000000000000000000000000000000000
> 000000000000D9
> :200720000000000000000000000000000000000000000000000000000000
> 000000000000B9
> :200740000000000000000000000000000000000000000000000000000000
> 00000000000099
> :200760000000000000000000000000000000000000000000000000000000
> 00000000000079
> :200780000000000000000000000000000000000000000000000000000000
> 00000000000059
> :2007A0000000000000000000000000000000000000000000000000000000
> 00000000000039
> :2007C0000000000000000000000000000000000000000000000000000000
> 00000000000019
> :2007E0000000000000000000000000000000000000000000000000000000
> 000000000000F9
> :200800000000000000000000000000000000000000000000000000000000
> 000000000000D8
> :200820000000000000000000000000000000000000000000000000000000
> 000000000000B8
> :200840000000000000000000000000000000000000000000000000000000
> 00000000000098
> :200860000000000000000000000000000000000000000000000000000000
> 00000000000078
> :200880000000000000000000000000000000000000000000000000000000
> 00000000000058
> :2008A0000000000000000000000000000000000000000000000000000000
> 00000000000038
> :2008C0000000000000000000000000000000000000000000000000000000
> 00000000000018
> :2008E0000000000000000000000000000000000000000000000000000000
> 000000000000F8
> :200900000000000000000000000000000000000000000000000000000000
> 000000000000D7
> :200920000000000000000000000000000000000000000000000000000000
> 000000000000B7
> :200940000000000000000000000000000000000000000000000000000000
> 00000000000097
> :200960000000000000000000000000000000000000000000000000000000
> 00000000000077
> :200980000000000000000000000000000000000000000000000000000000
> 00000000000057
> :2009A0000000000000000000000000000000000000000000000000000000
> 00000000000037
> :2009C0000000000000000000000000000000000000000000000000000000
> 00000000000017
> :2009E0000000000000000000000000000000000000000000000000000000
> 000000000000F7
> :200A00000000000000000000000000000000000000000000000000000000
> 000000000000D6
> :200A20000000000000000000000000000000000000000000000000000000
> 000000000000B6
> :200A40000000000000000000000000000000000000000000000000000000
> 00000000000096
> :200A60000000000000000000000000000000000000000000000000000000
> 00000000000076
> :200A80000000000000000000000000000000000000000000000000000000
> 00000000000056
> :200AA0000000000000000000000000000000000000000000000000000000
> 00000000000036
> :200AC0000000000000000000000000000000000000000000000000000000
> 00000000000016
> :200AE0000000000000000000000000000000000000000000000000000000
> 000000000000F6
> :200B00000000000000000000000000000000000000000000000000000000
> 000000000000D5
> :200B20000000000000000000000000000000000000000000000000000000
> 000000000000B5
> :200B40000000000000000000000000000000000000000000000000000000
> 00000000000095
> :200B60000000000000000000000000000000000000000000000000000000
> 00000000000075
> :200B80000000000000000000000000000000000000000000000000000000
> 00000000000055
> :200BA0000000000000000000000000000000000000000000000000000000
> 00000000000035
> :200BC0000000000000000000000000000000000000000000000000000000
> 00000000000015
> :200BE0000000000000000000000000000000000000000000000000000000
> 000000000000F5
> :200C00000000000000000000000000000000000000000000000000000000
> 000000000000D4
> :200C20000000000000000000000000000000000000000000000000000000
> 000000000000B4
> :200C40000000000000000000000000000000000000000000000000000000
> 00000000000094
> :200C60000000000000000000000000000000000000000000000000000000
> 00000000000074
> :200C80000000000000000000000000000000000000000000000000000000
> 00000000000054
> :200CA0000000000000000000000000000000000000000000000000000000
> 00000000000034
> :200CC0000000000000000000000000000000000000000000000000000000
> 00000000000014
> :200CE0000000000000000000000000000000000000000000000000000000
> 000000000000F4
> :200D00000000000000000000000000000000000000000000000000000000
> 000000000000D3
> :200D20000000000000000000000000000000000000000000000000000000
> 000000000000B3
> :200D40000000000000000000000000000000000000000000000000000000
> 00000000000093
> :200D60000000000000000000000000000000000000000000000000000000
> 00000000000073
> :200D80000000000000000000000000000000000000000000000000000000
> 00000000000053
> :200DA0000000000000000000000000000000000000000000000000000000
> 00000000000033
> :200DC0000000000000000000000000000000000000000000000000000000
> 00000000000013
> :200DE0000000000000000000000000000000000000000000000000000000
> 000000000000F3
> :200E00000000000000000000000000000000000000000000000000000000
> 000000000000D2
> :200E20000000000000000000000000000000000000000000000000000000
> 000000000000B2
> :200E40000000000000000000000000000000000000000000000000000000
> 00000000000092
> :200E60000000000000000000000000000000000000000000000000000000
> 00000000000072
> :200E80000000000000000000000000000000000000000000000000000000
> 00000000000052
> :200EA0000000000000000000000000000000000000000000000000000000
> 00000000000032
> :200EC0000000000000000000000000000000000000000000000000000000
> 00000000000012
> :200EE0000000000000000000000000000000000000000000000000000000
> 000000000000F2
> :200F00000000000000000000000000000000000000000000000000000000
> 000000000000D1
> :200F20000000000000000000000000000000000000000000000000000000
> 000000000000B1
> :200F40000000000000000000000000000000000000000000000000000000
> 00000000000091
> :200F60000000000000000000000000000000000000000000000000000000
> 00000000000071
> :200F80000000000000000000000000000000000000000000000000000000
> 00000000000051
> :200FA0000000000000000000000000000000000000000000000000000000
> 00000000000031
> :200FC0000000000000000000000000000000000000000000000000000000
> 00000000000011
> :200FE0000000000000000000000000000000000000000000000000000000
> 000000000000F1
> :201000000000000000000000000000000000000000000000000000000000
> 000000000000D0
> :201020000000000000000000000000000000000000000000000000000000
> 000000000000B0
> :201040000000000000000000000000000000000000000000000000000000
> 00000000000090
> :201060000000000000000000000000000000000000000000000000000000
> 00000000000070
> :201080000000000000000000000000000000000000000000000000000000
> 00000000000050
> :2010A0000000000000000000000000000000000000000000000000000000
> 00000000000030
> :2010C0000000000000000000000000000000000000000000000000000000
> 00000000000010
> :2010E0000000000000000000000000000000000000000000000000000000
> 000000000000F0
> :201100000000000000000000000000000000000000000000000000000000
> 000000000000CF
> :201120000000000000000000000000000000000000000000000000000000
> 000000000000AF
> :201140000000000000000000000000000000000000000000000000000000
> 0000000000008F
> :201160000000000000000000000000000000000000000000000000000000
> 0000000000006F
> :201180000000000000000000000000000000000000000000000000000000
> 0000000000004F
> :2011A0000000000000000000000000000000000000000000000000000000
> 0000000000002F
> :2011C0000000000000000000000000000000000000000000000000000000
> 0000000000000F
> :2011E0000000000000000000000000000000000000000000000000000000
> 000000000000EF
> :201200000000000000000000000000000000000000000000000000000000
> 000000000000CE
> :201220000000000000000000000000000000000000000000000000000000
> 000000000000AE
> :201240000000000000000000000000000000000000000000000000000000
> 0000000000008E
> :201260000000000000000000000000000000000000000000000000000000
> 0000000000006E
> :201280000000000000000000000000000000000000000000000000000000
> 0000000000004E
> :2012A0000000000000000000000000000000000000000000000000000000
> 0000000000002E
> :2012C0000000000000000000000000000000000000000000000000000000
> 0000000000000E
> :2012E0000000000000000000000000000000000000000000000000000000
> 000000000000EE
> :201300000000000000000000000000000000000000000000000000000000
> 000000000000CD
> :201320000000000000000000000000000000000000000000000000000000
> 000000000000AD
> :201340000000000000000000000000000000000000000000000000000000
> 0000000000008D
> :201360000000000000000000000000000000000000000000000000000000
> 0000000000006D
> :201380000000000000000000000000000000000000000000000000000000
> 0000000000004D
> :2013A0000000000000000000000000000000000000000000000000000000
> 0000000000002D
> :2013C0000000000000000000000000000000000000000000000000000000
> 0000000000000D
> :2013E0000000000000000000000000000000000000000000000000000000
> 000000000000ED
> :201400000000000000000000000000000000000000000000000000000000
> 000000000000CC
> :201420000000000000000000000000000000000000000000000000000000
> 000000000000AC
> :201440000000000000000000000000000000000000000000000000000000
> 0000000000008C
> :201460000000000000000000000000000000000000000000000000000000
> 0000000000006C
> :201480000000000000000000000000000000000000000000000000000000
> 0000000000004C
> :2014A0000000000000000000000000000000000000000000000000000000
> 0000000000002C
> :2014C0000000000000000000000000000000000000000000000000000000
> 0000000000000C
> :2014E0000000000000000000000000000000000000000000000000000000
> 000000000000EC
> :201500000000000000000000000000000000000000000000000000000000
> 000000000000CB
> :201520000000000000000000000000000000000000000000000000000000
> 000000000000AB
> :201540000000000000000000000000000000000000000000000000000000
> 0000000000008B
> :201560000000000000000000000000000000000000000000000000000000
> 0000000000006B
> :201580000000000000000000000000000000000000000000000000000000
> 0000000000004B
> :2015A0000000000000000000000000000000000000000000000000000000
> 0000000000002B
> :2015C0000000000000000000000000000000000000000000000000000000
> 0000000000000B
> :2015E0000000000000000000000000000000000000000000000000000000
> 000000000000EB
> :201600000000000000000000000000000000000000000000000000000000
> 000000000000CA
> :201620000000000000000000000000000000000000000000000000000000
> 000000000000AA
> :201640000000000000000000000000000000000000000000000000000000
> 0000000000008A
> :201660000000000000000000000000000000000000000000000000000000
> 0000000000006A
> :201680000000000000000000000000000000000000000000000000000000
> 0000000000004A
> :2016A0000000000000000000000000000000000000000000000000000000
> 0000000000002A
> :2016C0000000000000000000000000000000000000000000000000000000
> 0000000000000A
> :2016E0000000000000000000000000000000000000000000000000000000
> 000000000000EA
> :201700000000000000000000000000000000000000000000000000000000
> 000000000000C9
> :201720000000000000000000000000000000000000000000000000000000
> 000000000000A9
> :201740000000000000000000000000000000000000000000000000000000
> 00000000000089
> :201760000000000000000000000000000000000000000000000000000000
> 00000000000069
> :201780000000000000000000000000000000000000000000000000000000
> 00000000000049
> :2017A0000000000000000000000000000000000000000000000000000000
> 00000000000029
> :2017C0000000000000000000000000000000000000000000000000000000
> 00000000000009
> :2017E0000000000000000000000000000000000000000000000000000000
> 000000000000E9
> :201800000000000000000000000000000000000000000000000000000000
> 000000000000C8
> :201820000000000000000000000000000000000000000000000000000000
> 000000000000A8
> :201840000000000000000000000000000000000000000000000000000000
> 00000000000088
> :201860000000000000000000000000000000000000000000000000000000
> 00000000000068
> :201880000000000000000000000000000000000000000000000000000000
> 00000000000048
> :2018A0000000000000000000000000000000000000000000000000000000
> 00000000000028
> :2018C0000000000000000000000000000000000000000000000000000000
> 00000000000008
> :2018E0000000000000000000000000000000000000000000000000000000
> 000000000000E8
> :201900000000000000000000000000000000000000000000000000000000
> 000000000000C7
> :201920000000000000000000000000000000000000000000000000000000
> 000000000000A7
> :201940000000000000000000000000000000000000000000000000000000
> 00000000000087
> :201960000000000000000000000000000000000000000000000000000000
> 00000000000067
> :201980000000000000000000000000000000000000000000000000000000
> 00000000000047
> :2019A0000000000000000000000000000000000000000000000000000000
> 00000000000027
> :2019C0000000000000000000000000000000000000000000000000000000
> 00000000000007
> :2019E0000000000000000000000000000000000000000000000000000000
> 000000000000E7
> :201A00000000000000000000000000000000000000000000000000000000
> 000000000000C6
> :201A20000000000000000000000000000000000000000000000000000000
> 000000000000A6
> :201A40000000000000000000000000000000000000000000000000000000
> 00000000000086
> :201A60000000000000000000000000000000000000000000000000000000
> 00000000000066
> :201A80000000000000000000000000000000000000000000000000000000
> 00000000000046
> :201AA0000000000000000000000000000000000000000000000000000000
> 00000000000026
> :201AC0000000000000000000000000000000000000000000000000000000
> 00000000000006
> :201AE0000000000000000000000000000000000000000000000000000000
> 000000000000E6
> :201B00000000000000000000000000000000000000000000000000000000
> 000000000000C5
> :201B20000000000000000000000000000000000000000000000000000000
> 000000000000A5
> :201B40000000000000000000000000000000000000000000000000000000
> 00000000000085
> :201B60000000000000000000000000000000000000000000000000000000
> 00000000000065
> :201B80000000000000000000000000000000000000000000000000000000
> 00000000000045
> :201BA0000000000000000000000000000000000000000000000000000000
> 00000000000025
> :201BC0000000000000000000000000000000000000000000000000000000
> 00000000000005
> :201BE0000000000000000000000000000000000000000000000000000000
> 000000000000E5
> :201C00000000000000000000000000000000000000000000000000000000
> 000000000000C4
> :201C20000000000000000000000000000000000000000000000000000000
> 000000000000A4
> :201C40000000000000000000000000000000000000000000000000000000
> 00000000000084
> :201C60000000000000000000000000000000000000000000000000000000
> 00000000000064
> :201C80000000000000000000000000000000000000000000000000000000
> 00000000000044
> :201CA0000000000000000000000000000000000000000000000000000000
> 00000000000024
> :201CC0000000000000000000000000000000000000000000000000000000
> 00000000000004
> :201CE0000000000000000000000000000000000000000000000000000000
> 000000000000E4
> :201D00000000000000000000000000000000000000000000000000000000
> 000000000000C3
> :201D20000000000000000000000000000000000000000000000000000000
> 000000000000A3
> :201D40000000000000000000000000000000000000000000000000000000
> 00000000000083
> :201D60000000000000000000000000000000000000000000000000000000
> 00000000000063
> :201D80000000000000000000000000000000000000000000000000000000
> 00000000000043
> :201DA0000000000000000000000000000000000000000000000000000000
> 00000000000023
> :201DC0000000000000000000000000000000000000000000000000000000
> 00000000000003
> :201DE0000000000000000000000000000000000000000000000000000000
> 000000000000E3
> :201E00000000000000000000000000000000000000000000000000000000
> 000000000000C2
> :201E20000000000000000000000000000000000000000000000000000000
> 000000000000A2
> :201E40000000000000000000000000000000000000000000000000000000
> 00000000000082
> :201E60000000000000000000000000000000000000000000000000000000
> 00000000000062
> :201E80000000000000000000000000000000000000000000000000000000
> 00000000000042
> :201EA0000000000000000000000000000000000000000000000000000000
> 00000000000022
> :201EC0000000000000000000000000000000000000000000000000000000
> 00000000000002
> :201EE0000000000000000000000000000000000000000000000000000000
> 000000000000E2
> :201F00009C21FF44D40110009C4100BC18609000D7E21FF48482FFF4A88
> 40002D7E227F870
> :201F20009C60FFC7D7E21FF08482FFF0DBE227EF8C82FFEF8462FFF8D80
> 320001860900073
> :201F4000D7E21FE48482FFE4A8840001D7E227E89C600000D7E21FE0848
> 2FFE0DBE227DF8B
> :201F60008C82FFDF8462FFE8D803200018609000D7E21FD48482FFD4A88
> 40003D7E227D839
> :201F80009C600003D7E21FD08482FFD0DBE227CF8C82FFCF8462FFD8D80
> 320009C60004141
> :201FA000D7E21FC88482FFC8D7E227FC18609000D7E21FC08482FFC0A88
> 40003D7E227C4A0
> :201FC00018609000D7E21FB88482FFB8A8840003D7E227BC8462FFBC8C6
> 30000DBE21FB7BE
> :201FE0009C60FF808C82FFB7E0641804D7E21FB08482FFB0DBE227AF8C8
> 2FFAF8462FFC40D
> :20200000D803200018609000D7E21FA88482FFFCD7E227A49C60FFFFD7E
> 21F9C8482FF9CA9
> :20202000DBE227A38462FFA4DBE21F9B8C82FF9B8C62FFA3E0841803D7E
> 227948482FF9455
> :20204000DBE227938C82FF938462FFA8D803200018609000D7E21F88848
> 2FF88A8840001BF
> :20206000D7E2278C8462FFFCD7E21F808482FF80B8840088D7E227849C6
> 0FFFFD7E21F78C4
> :202080008482FF78DBE2277F8462FF84DBE21F778C82FF778C62FF7FE08
> 41803D7E22770E5
> :2020A0008482FF70DBE2276F8C82FF6F8462FF8CD803200018609000D7E
> 21F648482FF64C3
> :2020C000A8840003D7E2276818609000D7E21F5C8482FF5CA8840003D7E
> 227609C60007F02
> :2020E000D7E21F548482FF54DBE2275B8462FF608C630000DBE21F538C8
> 2FF538C62FF5B11
> :20210000E0841803D7E2274C8482FF4CDBE2274B8C82FF4B8462FF68D80
> 32000844100002F
> :20212000440048009C2100BC9C21FF9CD40110009C410064D7E21FF8846
> 2FFF8DBE21FF79C
> :202140008C82FFF7DBE227FF18609000D7E21FEC8482FFECA8840005D7E
> 227F08462FFF005
> :202160008C630000DBE21FEB8C82FFEBDBE227FE8C62FFFED7E21FE4848
> 2FFE4A4840020F7
> :20218000D7E227E08462FFE0BC230000100000041500000003FFFFED150
> 000001880900087
> :2021A000D7E227DC8C62FFFFDBE21FDB8C62FFDB8482FFDCD804180090
> 82FFFFD7E227D45F
> :2021C0008462FFD4BC23000A100000201500000018809000D7E227CC846
> 2FFCCA863000583
> :2021E000D7E21FD08482FFD08C840000DBE227CB8C62FFCBDBE21FFE8C8
> 2FFFED7E227C462
> :202200008462FFC4A4630020D7E21FC08482FFC0BC24000010000004150
> 0000003FFFFED9A
> :202220001500000018609000D7E21FBC9C80000DD7E227B88462FFB8DBE
> 21FB78C62FFB758
> :202240008482FFBCD804180018809000D7E227AC8462FFACA8630005D7E
> 21FB08482FFB037
> :202260008C840000DBE227AB8C62FFABDBE21FFE8C82FFFED7E227A4846
> 2FFA4A4630060CE
> :20228000D7E21FA08482FFA0BC040060100000041500000003FFFFED150
> 000008441000010
> :2022A000440048009C2100649C21FFD0D40110009C41003018609000D7E
> 21FF08462FFF04E
> :2022C000A8630005D7E21FF48462FFF48C630000DBE21FEF8C62FFEFDBE
> 21FFF8C62FFFFEC
> :2022E000D7E21FE88462FFE8AC630001D7E21FE48462FFE4A4630001D7E
> 21FE08462FFE037
> :20230000BC030000100000041500000003FFFFEA1500000018609000D7E
> 21FDC8462FFDC58
> :202320008C630000DBE21FDB8C62FFDBDBE21FFE9062FFFED7E21FD4846
> 2FFD4D7E21FF831
> :202340008562FFF884410000440048009C2100309C21FFC4D40110049C4
> 1003CD4014800C2
> :2023600007FFFEE81500000018600000A8632544D7E21FF88462FFF88463
> 0000D7E21FF410
> :202380008462FFF4D7E21FFC8462FFFCD7E21FF08462FFF090630000D7E
> 21FEC8462FFEC8A
> :2023A000BC03000010000013150000008462FFFCD7E21FE88462FFE8906
> 30000D7E21FE409
> :2023C0008462FFE407FFFF59150000008462FFFCD7E21FE08462FFE09C6
> 30001D7E21FDCAF
> :2023E0008462FFDCD7E21FFC03FFFFE81500000007FFFFAE15000000D7E
> 25FD88462FFD8D5
> :202400009C630001D7E21FD48462FFD4B8630018D7E21FCC8462FFCCB86
> 30098D7E21FD074
> :202420008462FFD007FFFF411500000003FFFFF115000000852100008441
> 0004440048008A
> :162440009C21003C0000254848656C6C6F20776F726C64210A00B9
> :00000001FF
>
>
>
>
> ----- Original Message -----
> From: Robert Cragie<rcc@j...>
> To:
> Date: Tue Nov 20 12:27:57 CET 2007
> Subject: [openrisc] how to run hello world in on-chip ram?
>
> > It seems like you're not initialising your on chip RAM correctly,
> > or it is
> > not configured correctly in your design as you'd expect to see
> > 0x15000000
> > (l.nop) on the memory bus as it starts running. Are you offsetting
> > by 0x100
> > correctly? Also, I'm not sure what SDRAM_BASE_ADDR points to either
> > - you
> > may want to remove that part.
> > Robert Cragie, Design Engineer
> >
> _____________________________________________________________
> __
> > Jennic Ltd, Furnival Street, Sheffield, S1 4QT, UK
> > http://www.jennic.com Tel: +44 (0) 114 281 2655
> >
> _____________________________________________________________
> __
> > > -----Original Message-----
> > > From: charlie yang [mailto:ydt at ustc.edu]
> > > Sent: 20 November 2007 10:35
> > > To: rcc at jennic.com; openrisc at opencores.org
> > > Subject: Re: [openrisc] how to run hello world in on-chip ram?
> > >
> > >
> > > Thanks Robert.
> > >
> > > I use the or1k/hello-uart as my example. use
> > or32-uclinux-objcopy to
> > >
> > > get a hello.hex and initialize the on-chip ram. When use
> > modelsim to do
> > >
> > > rtl simulation, I find the on-chip ram input
> > address(wb_ss_adr_i) repeat
> > >
> > > like 0x100,0x000,0x104,0x00,0x100,0x000,0x104,0x000. and the
> > ouput
> > >
> > > data (wb_ss_dat_o) is always zero.
> > >
> > >
> > >
> > > In the hello-uart, there is no FLASH,no Memory controller and
> > no
> > >
> > > cache. I don't know if my reset.S is incorrect or hex files is
> > incorrect.
> > >
> > > Please give me some hints. Thanks!
> > >
> > >
> > >
> > > Here is my reset.S in hello-uart directory:
> > >
> > > .global ___main
> > >
> > > .section .stack /*, "aw", @nobits*/
> > >
> > > .space STACK_SIZE
> > >
> > > _stack:
> > >
> > >
> > >
> > > .section .vectors, "ax"
> > >
> > > .org 0x100
> > >
> > >
> > >
> > > _reset_vector:
> > >
> > > l.nop
> > >
> > > l.nop
> > >
> > > l.addi r2,r0,0x0
> > >
> > > l.addi r3,r0,0x0
> > >
> > > l.addi r4,r0,0x0
> > >
> > > l.addi r5,r0,0x0
> > >
> > > l.addi r6,r0,0x0
> > >
> > > l.addi r7,r0,0x0
> > >
> > > l.addi r8,r0,0x0
> > >
> > > l.addi r9,r0,0x0
> > >
> > > l.addi r10,r0,0x0
> > >
> > > l.addi r11,r0,0x0
> > >
> > > l.addi r12,r0,0x0
> > >
> > > l.addi r13,r0,0x0
> > >
> > > l.addi r14,r0,0x0
> > >
> > > l.addi r15,r0,0x0
> > >
> > > l.addi r16,r0,0x0
> > >
> > > l.addi r17,r0,0x0
> > >
> > > l.addi r18,r0,0x0
> > >
> > > l.addi r19,r0,0x0 > > l.addi r20,r0,0x0 > > l.addi
> > r21,r0,0x0 > > l.addi r22,r0,0x0 > > l.addi r23,r0,0x0
> > > > l.addi r24,r0,0x0 > > l.addi r25,r0,0x0 > >
> > l.addi r26,r0,0x0 > > l.addi r27,r0,0x0 > > l.addi
> > r28,r0,0x0 > > l.addi r29,r0,0x0 > > l.addi r30,r0,0x0
> > > > l.addi r31,r0,0x0 > > > > l.movhi
> > r3,hi(SDRAM_BASE_ADDR) > > l.ori r3,r3,lo(SDRAM_BASE_ADDR)
> > > > l.addi r5,r0,0x00 > > l.sw 0(r3),r5 > >
> > l.movhi r3,hi(_start) > > l.ori r3,r3,lo(_start) > >
> > l.jr r3 > > l.nop > > .section .text > > >
> > > _start: > > l.movhi r1,hi(_stack-4) > > l.ori
> > r1,r1,lo(_stack-4) > > l.addi r2,r0,-3 > > l.and
> > r1,r1,r2 > > > > l.movhi r2,hi(_main) > > l.ori
> > r2,r2,lo(_main) > > l.jr r2 > > l.nop > > >
> > > ___main: > > l.jr r9 > > l.nop > > >
> > > Then I use the following step to generate hex file: > >
> > or32-uclinux-gcc -g -c -o reset.o reset.S > > or32-uclinux-ld
> > -Tram.ld -o hello.or32 reset.o hello.o > >
> > or32-uclinux-objcopy -O binary hello.or32 hello.bin > >
> > or32-uclinux-objcopy -S -O ihex hello.or32 hello.hex > > >
> > > > > ----- Original Message ----- > > From: Robert
> > Cragie<rcc at j...> > > To: > > Date: Mon Nov 19
> > 09:24:52 CET 2007 > > Subject: [openrisc] how to run hello
> > world in on-chip ram? > > > > > 1) The CPU always
> > vectors to 0x100 on reset so you will either need > > >
> > some > > > sort of bootstrap there or you will have to map
> > RAM which you can > > > download > > > to there.
> > > > > 2) You can always get to intelhex from the ELF file
> > using: > > > or32-uclinux-objcopy -S -O ihex
> > <ELFfile> <ihexfile> > > > Robert Cragie,
> > Design Engineer > > > > >
> >
> _____________________________________________________________
>  >
> > > __ > > > Jennic Ltd, Furnival Street, Sheffield, S1
> > 4QT, UK > > > http://www.jennic.com Tel: +44 (0) 114 281
> > 2655 > > > > >
> >
> _____________________________________________________________
>  >
> > > __ > > > > -----Original Message----- > >
> > > > From: openrisc-bounces at opencores.org > > >
> > > [mailto:openrisc-bounces at opencores.org]On Behalf Of charlie
> > > > > yang > > > > Sent: 19 November 2007
> > 04:17 > > > > To: openrisc at opencores.org > >
> > > > Subject: [openrisc] how to run hello world in on-chip
> > ram? > > > > > > > > > > > > hi
> > all, > > > > I have a altera FPGA board with Cyclone II
> > EP2c35 and > > > synthesize the > > > >
> > orp_soc following the hardware tutorials. I have only one > >
> > > dedicated > > > > JTAG for FPGA and have no pins
> > for or1k CPU. So I want to burn > > > > the "hello
> > world" program into on-chip ram by > > > initializing
> > this memory, > > > > that is, let the JTAG download the
> > all the CPU and program . > > > > so there are two
> > questions for help: > > > > 1) how to set start pointer
> > of the reset.S and let the > > > "hello > >
> > > > world" run. > > > > 2) I find the
> > hello.hex in or1k is incompatible with Intel hex > > >
> > > format of > > > > altera memory. how can I convert
> > it to altera memory format? > > > > > > > >
> > Is there anybody using altera FPGA? Please give me some > >
> > > directions . > > > > Thanks a lot ! > > >
> > > _______________________________________________ > > >
> > > http://www.opencores.org/mailman/listinfo/openrisc > >
> > > > > >
> >
> _______________________________________________
> http://www.opencores.org/mailman/listinfo/openrisc