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Message
From: charlie yang<ydt@u...>
Date: Mon Nov 26 10:00:34 CET 2007
Subject: [openrisc] how to run hello world in on-chip ram?
You are right. the on_chip_ram address instantiated as:
altsyncram altsyncram_component (
.wren_a (we),
.clock0 (wb_clk_i),
.byteena_a (be_i),
.address_a (wb_adr_i[aw+1:2]), ****This should be point.
.data_a (wb_dat_i),
.q_a (wb_dat_o)
)
----- Original Message -----
From: Robert Cragie<rcc@j...>
To:
Date: Fri Nov 23 10:46:34 CET 2007
Subject: [openrisc] how to run hello world in on-chip ram?
> OK, I guess the Intelhex bit ended up being misleading. I have
> never
> actually attempted what you are doing. With respect to the
> addresses, again
> I guess that the address bus to the memory actually starts at
> address bit 2,
> with address bits 1 and 0 decoded for the byte lanes of 32-bit wide
> memory.
> Therefore it seems reasonable to me that the address *lines* will
> appear to
> be shifted by 2 as you state.
> Robert
> 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: 23 November 2007 01:58
> > To: openrisc at opencores.org
> > Subject: Re: [openrisc] how to run hello world in on-chip ram?
> >
> >
> > Thanks Robert.
> > I find where is the problem ,but dont' know why.
> > When I use or32-uclinux-objcopy command to get the ram.hex,
> > the "_start" physical address in RAM is 0x100, and
> CPU cannot jump
> > there.
> > But if i use orp_soc/sw/utils/bin2hex to convert the hello.bin
> to
> > hello.hex
> > (it's not the intel hex format),then copy the content of
> hello.hex to
> > altera ram.hex, my hello-uart runs ok. But in this condition
> the physical
> > address of "_start" is 0x40 (right shift 2 bit than
> 0x100). These two
> > kinds of hex files come from the same hello.bin or hello.or32,
> why make
> > out the different start address?
> >
> >
> > The following is the file using "or32-uclinux-dump -d
> hello.or32":
> >
> >
> > hello.or32: file format elf32-or32
> >
> > Disassembly of section .vectors:
> >
> > 00000000 <_start-0x100>:
> > ...
> >
> > 00000100 <_start>:
> > 100: 18 20 00 00 l.movhi r1,0x0
> > 104: a8 21 0d 52 l.ori r1,r1,0xd52
> > 108: 9c 40 ff fd l.addi r2,r0,0xfffffffd
> > 10c: e0 21 10 03 l.and r1,r1,r2
> > 110: 18 40 00 00 l.movhi r2,0x0
> > 114: a8 42 06 50 l.ori r2,r2,0x650
> > 118: 44 00 10 00 l.jr r2
> > 11c: 9c 40 00 00 l.addi r2,r0,0x0
> >
> > 00000120 <___main>:
> > 120: 44 00 48 00 l.jr r9
> > 124: 15 00 00 00 l.nop 0x0
> > Disassembly of section .text:
> >
> > 00000200 <_uart_init>:
> > 200: 9c 21 ff 44 l.addi r1,r1,0xffffff44
> > 204: d4 01 10 00 l.sw 0x0(r1),r2
> > 208: 9c 41 00 bc l.addi r2,r1,0xbc
> > 20c: 18 60 90 00 l.movhi r3,0x9000
> > 210: d7 e2 1f f4 l.sw 0xfffffff4(r2),r3
> > 214: 84 82 ff f4 l.lwz r4,0xfffffff4(r2)
> > 218: a8 84 00 02 l.ori r4,r4,0x2
> > 21c: d7 e2 27 f8 l.sw 0xfffffff8(r2),r4
> > 220: 9c 60 ff c7 l.addi r3,r0,0xffffffc7
> > 224: d7 e2 1f f0 l.sw 0xfffffff0(r2),r3
> > 228: 84 82 ff f0 l.lwz r4,0xfffffff0(r2)
> > 22c: db e2 27 ef l.sb 0xffffffef(r2),r4
> > 230: 8c 82 ff ef l.lbz r4,0xffffffef(r2)
> > 234: 84 62 ff f8 l.lwz r3,0xfffffff8(r2)
> > 238: d8 03 20 00 l.sb 0x0(r3),r4
> > 23c: 18 60 90 00 l.movhi r3,0x9000
> > 240: d7 e2 1f e4 l.sw 0xffffffe4(r2),r3
> > 244: 84 82 ff e4 l.lwz r4,0xffffffe4(r2)
> > 248: a8 84 00 01 l.ori r4,r4,0x1
> > 24c: d7 e2 27 e8 l.sw 0xffffffe8(r2),r4
> > 250: 9c 60 00 00 l.addi r3,r0,0x0
> > 254: d7 e2 1f e0 l.sw 0xffffffe0(r2),r3
> > 258: 84 82 ff e0 l.lwz r4,0xffffffe0(r2)
> > 25c: db e2 27 df l.sb 0xffffffdf(r2),r4
> > 260: 8c 82 ff df l.lbz r4,0xffffffdf(r2)
> > 264: 84 62 ff e8 l.lwz r3,0xffffffe8(r2)
> > 268: d8 03 20 00 l.sb 0x0(r3),r4
> > 26c: 18 60 90 00 l.movhi r3,0x9000
> > 270: d7 e2 1f d4 l.sw 0xffffffd4(r2),r3
> > 274: 84 82 ff d4 l.lwz r4,0xffffffd4(r2)
> > 278: a8 84 00 03 l.ori r4,r4,0x3
> > 27c: d7 e2 27 d8 l.sw 0xffffffd8(r2),r4
> > 280: 9c 60 00 03 l.addi r3,r0,0x3
> > 284: d7 e2 1f d0 l.sw 0xffffffd0(r2),r3
> > 288: 84 82 ff d0 l.lwz r4,0xffffffd0(r2)
> > 28c: db e2 27 cf l.sb 0xffffffcf(r2),r4
> > 290: 8c 82 ff cf l.lbz r4,0xffffffcf(r2) > 294: 84 62 ff
> d8 l.lwz r3,0xffffffd8(r2) > 298: d8 03 20 00 l.sb 0x0(r3),r4
> > 29c: 9c 60 00 41 l.addi r3,r0,0x41 > 2a0: d7 e2 1f c8
> l.sw 0xffffffc8(r2),r3 > 2a4: 84 82 ff c8 l.lwz
> r4,0xffffffc8(r2) > 2a8: d7 e2 27 fc l.sw 0xfffffffc(r2),r4
> > 2ac: 18 60 90 00 l.movhi r3,0x9000 > 2b0: d7 e2 1f c0
> l.sw 0xffffffc0(r2),r3 > 2b4: 84 82 ff c0 l.lwz
> r4,0xffffffc0(r2) > 2b8: a8 84 00 03 l.ori r4,r4,0x3 >
> 2bc: d7 e2 27 c4 l.sw 0xffffffc4(r2),r4 > 2c0: 18 60 90 00
> l.movhi r3,0x9000 > 2c4: d7 e2 1f b8 l.sw 0xffffffb8
(r2),r3
> > 2c8: 84 82 ff b8 l.lwz r4,0xffffffb8(r2) > 2cc: a8 84 00
> 03 l.ori r4,r4,0x3 > 2d0: d7 e2 27 bc l.sw 0xffffffbc
(r2),r4
> > 2d4: 84 62 ff bc l.lwz r3,0xffffffbc(r2) > 2d8: 8c 63 00
> 00 l.lbz r3,0x0(r3) > 2dc: db e2 1f b7 l.sb 0xffffffb7
(r2),r3
> > 2e0: 9c 60 ff 80 l.addi r3,r0,0xffffff80 > 2e4: 8c 82 ff
> b7 l.lbz r4,0xffffffb7(r2) > 2e8: e0 64 18 04 l.or r3,r4,r3
> > 2ec: d7 e2 1f b0 l.sw 0xffffffb0(r2),r3 > 2f0: 84 82 ff b0
> l.lwz r4,0xffffffb0(r2) > 2f4: db e2 27 af l.sb
> 0xffffffaf(r2),r4 > 2f8: 8c 82 ff af l.lbz r4,0xffffffaf(r2)
> > 2fc: 84 62 ff c4 l.lwz r3,0xffffffc4(r2) > 300: d8 03 20
> 00 l.sb 0x0(r3),r4 > 304: 18 60 90 00 l.movhi
r3,0x9000 >
> 308: d7 e2 1f a8 l.sw 0xffffffa8(r2),r3 > 30c: 84 82 ff fc
> l.lwz r4,0xfffffffc(r2) > 310: d7 e2 27 a4 l.sw
> 0xffffffa4(r2),r4 > 314: 9c 60 ff ff l.addi r3,r0,0xffffffff
> > 318: d7 e2 1f 9c l.sw 0xffffff9c(r2),r3 > 31c: 84 82 ff 9c
> l.lwz r4,0xffffff9c(r2) > 320: db e2 27 a3 l.sb
> 0xffffffa3(r2),r4 > 324: 84 62 ff a4 l.lwz r3,0xffffffa4(r2)
> > 328: db e2 1f 9b l.sb 0xffffff9b(r2),r3 > 32c: 8c 82 ff 9b
> l.lbz r4,0xffffff9b(r2) > 330: 8c 62 ff a3 l.lbz
> r3,0xffffffa3(r2) > 334: e0 84 18 03 l.and r4,r4,r3 >
> 338: d7 e2 27 94 l.sw 0xffffff94(r2),r4 > 33c: 84 82 ff 94
> l.lwz r4,0xffffff94(r2) > 340: db e2 27 93 l.sb
> 0xffffff93(r2),r4 > 344: 8c 82 ff 93 l.lbz r4,0xffffff93(r2)
> > 348: 84 62 ff a8 l.lwz r3,0xffffffa8(r2) > 34c: d8 03 20
> 00 l.sb 0x0(r3),r4 > 350: 18 60 90 00 l.movhi
r3,0x9000 >
> 354: d7 e2 1f 88 l.sw 0xffffff88(r2),r3 > 358: 84 82 ff 88
> l.lwz r4,0xffffff88(r2) > 35c: a8 84 00 01 l.ori r4,r4,0x1
> > 360: d7 e2 27 8c l.sw 0xffffff8c(r2),r4 > 364: 84 62 ff fc
> l.lwz r3,0xfffffffc(r2) > 368: d7 e2 1f 80 l.sw
> 0xffffff80(r2),r3 > 36c: 84 82 ff 80 l.lwz r4,0xffffff80(r2)
> > 370: b8 84 00 88 l.srai r4,r4,0x8 > 374: d7 e2 27 84
l.sw
> 0xffffff84(r2),r4 > 378: 9c 60 ff ff l.addi r3,r0,0xffffffff
> > 37c: d7 e2 1f 78 l.sw 0xffffff78(r2),r3 > 380: 84 82 ff 78
> l.lwz r4,0xffffff78(r2) > 384: db e2 27 7f l.sb
> 0xffffff7f(r2),r4 > 388: 84 62 ff 84 l.lwz r3,0xffffff84(r2)
> > 38c: db e2 1f 77 l.sb 0xffffff77(r2),r3 > 390: 8c 82 ff 77
> l.lbz r4,0xffffff77(r2) > 394: 8c 62 ff 7f l.lbz
> r3,0xffffff7f(r2) > 398: e0 84 18 03 l.and r4,r4,r3 >
> 39c: d7 e2 27 70 l.sw 0xffffff70(r2),r4 > 3a0: 84 82 ff 70
> l.lwz r4,0xffffff70(r2) > 3a4: db e2 27 6f l.sb
> 0xffffff6f(r2),r4 > 3a8: 8c 82 ff 6f l.lbz r4,0xffffff6f(r2)
> > 3ac: 84 62 ff 8c l.lwz r3,0xffffff8c(r2) > 3b0: d8 03 20
> 00 l.sb 0x0(r3),r4 > 3b4: 18 60 90 00 l.movhi
r3,0x9000 >
> 3b8: d7 e2 1f 64 l.sw 0xffffff64(r2),r3 > 3bc: 84 82 ff 64
> l.lwz r4,0xffffff64(r2) > 3c0: a8 84 00 03 l.ori r4,r4,0x3
> > 3c4: d7 e2 27 68 l.sw 0xffffff68(r2),r4 > 3c8: 18 60 90 00
> l.movhi r3,0x9000 > 3cc: d7 e2 1f 5c l.sw 0xffffff5c
(r2),r3
> > 3d0: 84 82 ff 5c l.lwz r4,0xffffff5c(r2) > 3d4: a8 84 00
> 03 l.ori r4,r4,0x3 > 3d8: d7 e2 27 60 l.sw 0xffffff60
(r2),r4
> > 3dc: 9c 60 00 7f l.addi r3,r0,0x7f > 3e0: d7 e2 1f 54
> l.sw 0xffffff54(r2),r3 > 3e4: 84 82 ff 54 l.lwz
> r4,0xffffff54(r2) > 3e8: db e2 27 5b l.sb 0xffffff5b(r2),r4
> > 3ec: 84 62 ff 60 l.lwz r3,0xffffff60(r2) > 3f0: 8c 63 00
> 00 l.lbz r3,0x0(r3) > 3f4: db e2 1f 53 l.sb 0xffffff53
(r2),r3
> > 3f8: 8c 82 ff 53 l.lbz r4,0xffffff53(r2) > 3fc: 8c 62 ff
> 5b l.lbz r3,0xffffff5b(r2) > 400: e0 84 18 03 l.and r4,r4,r3
> > 404: d7 e2 27 4c l.sw 0xffffff4c(r2),r4 > 408: 84 82 ff 4c
> l.lwz r4,0xffffff4c(r2) > 40c: db e2 27 4b l.sb
> 0xffffff4b(r2),r4 > 410: 8c 82 ff 4b l.lbz r4,0xffffff4b(r2)
> > 414: 84 62 ff 68 l.lwz r3,0xffffff68(r2) > 418: d8 03 20
> 00 l.sb 0x0(r3),r4 > 41c: 84 41 00 00 l.lwz r2,0x0
(r1) >
> 420: 44 00 48 00 l.jr r9 > 424: 9c 21 00 bc l.addi
r1,r1,0xbc
> > > 00000428 <_uart_putc>: > 428: 9c 21 ff 9c
> l.addi r1,r1,0xffffff9c > 42c: d4 01 10 00 l.sw 0x0(r1),r2
> > 430: 9c 41 00 64 l.addi r2,r1,0x64 > 434: d7 e2 1f f8
> l.sw 0xfffffff8(r2),r3 > 438: 84 62 ff f8 l.lwz
> r3,0xfffffff8(r2) > 43c: db e2 1f f7 l.sb 0xfffffff7(r2),r3
> > 440: 8c 82 ff f7 l.lbz r4,0xfffffff7(r2) > 444: db e2 27
> ff l.sb 0xffffffff(r2),r4 > 448: 18 60 90 00 l.movhi
r3,0x9000
> > 44c: d7 e2 1f ec l.sw 0xffffffec(r2),r3 > 450: 84 82 ff ec
> l.lwz r4,0xffffffec(r2) > 454: a8 84 00 05 l.ori r4,r4,0x5
> > 458: d7 e2 27 f0 l.sw 0xfffffff0(r2),r4 > 45c: 84 62 ff f0
> l.lwz r3,0xfffffff0(r2) > 460: 8c 63 00 00 l.lbz r3,0x0(r3)
> > 464: db e2 1f eb l.sb 0xffffffeb(r2),r3 > 468: 8c 82 ff eb
> l.lbz r4,0xffffffeb(r2) > 46c: db e2 27 fe l.sb
> 0xfffffffe(r2),r4 > 470: 8c 62 ff fe l.lbz r3,0xfffffffe(r2)
> > 474: d7 e2 1f e4 l.sw 0xffffffe4(r2),r3 > 478: 84 82 ff e4
> l.lwz r4,0xffffffe4(r2) > 47c: a4 84 00 20 l.andi
r4,r4,0x20
> > 480: d7 e2 27 e0 l.sw 0xffffffe0(r2),r4 > 484: 84 62 ff e0
> l.lwz r3,0xffffffe0(r2) > 488: bc 23 00 00 l.sfnei r3,0x0 >
> 48c: 10 00 00 04 l.bf 49c <_uart_putc+0x74> > 490: 15
00
> 00 00 l.nop 0x0 > 494: 03 ff ff ed l.j 448
> <_uart_putc+0x20> > 498: 15 00 00 00 l.nop 0x0 >
> 49c: 18 80 90 00 l.movhi r4,0x9000 > 4a0: d7 e2 27 dc
l.sw
> 0xffffffdc(r2),r4 > 4a4: 8c 62 ff ff l.lbz r3,0xffffffff(r2)
> > 4a8: db e2 1f db l.sb 0xffffffdb(r2),r3 > 4ac: 8c 62 ff db
> l.lbz r3,0xffffffdb(r2) > 4b0: 84 82 ff dc l.lwz
> r4,0xffffffdc(r2) > 4b4: d8 04 18 00 l.sb 0x0(r4),r3 >
> 4b8: 90 82 ff ff l.lbs r4,0xffffffff(r2) > 4bc: d7 e2 27 d4
> l.sw 0xffffffd4(r2),r4 > 4c0: 84 62 ff d4 l.lwz
> r3,0xffffffd4(r2) > 4c4: bc 23 00 0a l.sfnei r3,0xa >
> 4c8: 10 00 00 20 l.bf 548 <_uart_putc+0x120> > 4cc: 15
00
> 00 00 l.nop 0x0 > 4d0: 18 80 90 00 l.movhi r4,0x9000 >
> 4d4: d7 e2 27 cc l.sw 0xffffffcc(r2),r4 > 4d8: 84 62 ff cc
> l.lwz r3,0xffffffcc(r2) > 4dc: a8 63 00 05 l.ori r3,r3,0x5
> > 4e0: d7 e2 1f d0 l.sw 0xffffffd0(r2),r3 > 4e4: 84 82 ff d0
> l.lwz r4,0xffffffd0(r2) > 4e8: 8c 84 00 00 l.lbz r4,0x0(r4)
> > 4ec: db e2 27 cb l.sb 0xffffffcb(r2),r4 > 4f0: 8c 62 ff cb
> l.lbz r3,0xffffffcb(r2) > 4f4: db e2 1f fe l.sb
> 0xfffffffe(r2),r3 > 4f8: 8c 82 ff fe l.lbz r4,0xfffffffe(r2)
> > 4fc: d7 e2 27 c4 l.sw 0xffffffc4(r2),r4 > 500: 84 62 ff c4
> l.lwz r3,0xffffffc4(r2) > 504: a4 63 00 20 l.andi
r3,r3,0x20
> > 508: d7 e2 1f c0 l.sw 0xffffffc0(r2),r3 > 50c: 84 82 ff c0
> l.lwz r4,0xffffffc0(r2) > 510: bc 24 00 00 l.sfnei r4,0x0 >
> 514: 10 00 00 04 l.bf 524 <_uart_putc+0xfc> > 518: 15
00
> 00 00 l.nop 0x0 > 51c: 03 ff ff ed l.j 4d0
> <_uart_putc+0xa8> > 520: 15 00 00 00 l.nop 0x0 >
> 524: 18 60 90 00 l.movhi r3,0x9000 > 528: d7 e2 1f bc
l.sw
> 0xffffffbc(r2),r3 > 52c: 9c 80 00 0d l.addi r4,r0,0xd >
> 530: d7 e2 27 b8 l.sw 0xffffffb8(r2),r4 > 534: 84 62 ff b8
> l.lwz r3,0xffffffb8(r2) > 538: db e2 1f b7 l.sb
> 0xffffffb7(r2),r3 > 53c: 8c 62 ff b7 l.lbz r3,0xffffffb7(r2)
> > 540: 84 82 ff bc l.lwz r4,0xffffffbc(r2) > 544: d8 04 18
> 00 l.sb 0x0(r4),r3 > 548: 18 80 90 00 l.movhi
r4,0x9000 >
> 54c: d7 e2 27 ac l.sw 0xffffffac(r2),r4 > 550: 84 62 ff ac
> l.lwz r3,0xffffffac(r2) > 554: a8 63 00 05 l.ori r3,r3,0x5
> > 558: d7 e2 1f b0 l.sw 0xffffffb0(r2),r3 > 55c: 84 82 ff b0
> l.lwz r4,0xffffffb0(r2) > 560: 8c 84 00 00 l.lbz r4,0x0(r4)
> > 564: db e2 27 ab l.sb 0xffffffab(r2),r4 > 568: 8c 62 ff ab
> l.lbz r3,0xffffffab(r2) > 56c: db e2 1f fe l.sb
> 0xfffffffe(r2),r3 > 570: 8c 82 ff fe l.lbz r4,0xfffffffe(r2)
> > 574: d7 e2 27 a4 l.sw 0xffffffa4(r2),r4 > 578: 84 62 ff a4
> l.lwz r3,0xffffffa4(r2) > 57c: a4 63 00 60 l.andi
r3,r3,0x60
> > 580: d7 e2 1f a0 l.sw 0xffffffa0(r2),r3 > 584: 84 82 ff a0
> l.lwz r4,0xffffffa0(r2) > 588: bc 04 00 60 l.sfeqi r4,0x60
> > 58c: 10 00 00 04 l.bf 59c <_uart_putc+0x174> >
> 590: 15 00 00 00 l.nop 0x0 > 594: 03 ff ff ed l.j
548
> <_uart_putc+0x120> > 598: 15 00 00 00 l.nop 0x0 >
> 59c: 84 41 00 00 l.lwz r2,0x0(r1) > 5a0: 44 00 48 00
l.jr r9
> > 5a4: 9c 21 00 64 l.addi r1,r1,0x64 > > 000005a8
> <_uart_getc>: > 5a8: 9c 21 ff d0 l.addi r1,r1,0xffffffd0
> > 5ac: d4 01 10 00 l.sw 0x0(r1),r2 > 5b0: 9c 41 00 30
> l.addi r2,r1,0x30 > 5b4: 18 60 90 00 l.movhi
r3,0x9000 >
> 5b8: d7 e2 1f f0 l.sw 0xfffffff0(r2),r3 > 5bc: 84 62 ff f0
> l.lwz r3,0xfffffff0(r2) > 5c0: a8 63 00 05 l.ori r3,r3,0x5
> > 5c4: d7 e2 1f f4 l.sw 0xfffffff4(r2),r3 > 5c8: 84 62 ff f4
> l.lwz r3,0xfffffff4(r2) > 5cc: 8c 63 00 00 l.lbz r3,0x0(r3)
> > 5d0: db e2 1f ef l.sb 0xffffffef(r2),r3 > 5d4: 8c 62 ff ef
> l.lbz r3,0xffffffef(r2) > 5d8: db e2 1f ff l.sb
> 0xffffffff(r2),r3 > 5dc: 8c 62 ff ff l.lbz r3,0xffffffff(r2)
> > 5e0: d7 e2 1f e8 l.sw 0xffffffe8(r2),r3 > 5e4: 84 62 ff e8
> l.lwz r3,0xffffffe8(r2) > 5e8: ac 63 00 01 l.xori r3,r3,0x1
> > 5ec: d7 e2 1f e4 l.sw 0xffffffe4(r2),r3 > 5f0: 84 62 ff e4
> l.lwz r3,0xffffffe4(r2) > 5f4: a4 63 00 01 l.andi r3,r3,0x1
> > 5f8: d7 e2 1f e0 l.sw 0xffffffe0(r2),r3 > 5fc: 84 62 ff e0
> l.lwz r3,0xffffffe0(r2) > 600: bc 03 00 00 l.sfeqi r3,0x0 >
> 604: 10 00 00 04 l.bf 614 <_uart_getc+0x6c> > 608: 15
00
> 00 00 l.nop 0x0 > 60c: 03 ff ff ea l.j 5b4
> <_uart_getc+0xc> > 610: 15 00 00 00 l.nop 0x0 >
> 614: 18 60 90 00 l.movhi r3,0x9000 > 618: d7 e2 1f dc
l.sw
> 0xffffffdc(r2),r3 > 61c: 84 62 ff dc l.lwz r3,0xffffffdc(r2)
> > 620: 8c 63 00 00 l.lbz r3,0x0(r3) > 624: db e2 1f db
l.sb
> 0xffffffdb(r2),r3 > 628: 8c 62 ff db l.lbz r3,0xffffffdb(r2)
> > 62c: db e2 1f fe l.sb 0xfffffffe(r2),r3 > 630: 90 62 ff fe
> l.lbs r3,0xfffffffe(r2) > 634: d7 e2 1f d4 l.sw
> 0xffffffd4(r2),r3 > 638: 84 62 ff d4 l.lwz r3,0xffffffd4(r2)
> > 63c: d7 e2 1f f8 l.sw 0xfffffff8(r2),r3 > 640: 85 62 ff f8
> l.lwz r11,0xfffffff8(r2) > 644: 84 41 00 00 l.lwz
r2,0x0(r1)
> > 648: 44 00 48 00 l.jr r9 > 64c: 9c 21 00 30 l.addi
> r1,r1,0x30 > > 00000650 <_main>: > 650: 9c 21 ff c4
> l.addi r1,r1,0xffffffc4 > 654: d4 01 10 04 l.sw 0x4(r1),r2
> > 658: 9c 41 00 3c l.addi r2,r1,0x3c > 65c: d4 01 48 00
> l.sw 0x0(r1),r9 > 660: 07 ff fe e8 l.jal 200
> <_uart_init> > 664: 15 00 00 00 l.nop 0x0 > 668: 18
60
> 00 00 l.movhi r3,0x0 > 66c: a8 63 07 44 l.ori
r3,r3,0x744 >
> 670: d7 e2 1f f8 l.sw 0xfffffff8(r2),r3 > 674: 84 62 ff f8
> l.lwz r3,0xfffffff8(r2) > 678: 84 63 00 00 l.lwz r3,0x0
(r3)
> > 67c: d7 e2 1f f4 l.sw 0xfffffff4(r2),r3 > 680: 84 62 ff f4
> l.lwz r3,0xfffffff4(r2) > 684: d7 e2 1f fc l.sw
> 0xfffffffc(r2),r3 > 688: 84 62 ff fc l.lwz r3,0xfffffffc(r2)
> > 68c: d7 e2 1f f0 l.sw 0xfffffff0(r2),r3 > 690: 84 62 ff f0
> l.lwz r3,0xfffffff0(r2) > 694: 90 63 00 00 l.lbs r3,0x0(r3)
> > 698: d7 e2 1f ec l.sw 0xffffffec(r2),r3 > 69c: 84 62 ff ec
> l.lwz r3,0xffffffec(r2) > 6a0: bc 03 00 00 l.sfeqi r3,0x0 >
> 6a4: 10 00 00 13 l.bf 6f0 <_main+0xa0> > 6a8: 15
00 00 00
> l.nop 0x0 > 6ac: 84 62 ff fc l.lwz r3,0xfffffffc(r2) >
> 6b0: d7 e2 1f e8 l.sw 0xffffffe8(r2),r3 > 6b4: 84 62 ff e8
> l.lwz r3,0xffffffe8(r2) > 6b8: 90 63 00 00 l.lbs r3,0x0(r3)
> > 6bc: d7 e2 1f e4 l.sw 0xffffffe4(r2),r3 > 6c0: 84 62 ff e4
> l.lwz r3,0xffffffe4(r2) > 6c4: 07 ff ff 59 l.jal 428
> <_uart_putc> > 6c8: 15 00 00 00 l.nop 0x0 > 6cc: 84
62
> ff fc l.lwz r3,0xfffffffc(r2) > 6d0: d7 e2 1f e0 l.sw
> 0xffffffe0(r2),r3 > 6d4: 84 62 ff e0 l.lwz r3,0xffffffe0(r2)
> > 6d8: 9c 63 00 01 l.addi r3,r3,0x1 > 6dc: d7 e2 1f dc
l.sw
> 0xffffffdc(r2),r3 > 6e0: 84 62 ff dc l.lwz r3,0xffffffdc(r2)
> > 6e4: d7 e2 1f fc l.sw 0xfffffffc(r2),r3 > 6e8: 03 ff ff e8
> l.j 688 <_main+0x38> > 6ec: 15 00 00 00 l.nop 0x0 >
> 6f0: 07 ff ff ae l.jal 5a8 <_uart_getc> > 6f4: 15
00 00
> 00 l.nop 0x0 > 6f8: d7 e2 5f d8 l.sw 0xffffffd8(r2),r11 >
> 6fc: 84 62 ff d8 l.lwz r3,0xffffffd8(r2) > 700: 9c 63 00 01
> l.addi r3,r3,0x1 > 704: d7 e2 1f d4 l.sw 0xffffffd4
(r2),r3
> > 708: 84 62 ff d4 l.lwz r3,0xffffffd4(r2) > 70c: b8 63 00
> 18 l.slli r3,r3,0x18 > 710: d7 e2 1f cc l.sw 0xffffffcc
(r2),r3
> > 714: 84 62 ff cc l.lwz r3,0xffffffcc(r2) > 718: b8 63 00
> 98 l.srai r3,r3,0x18 > 71c: d7 e2 1f d0 l.sw 0xffffffd0
(r2),r3
> > 720: 84 62 ff d0 l.lwz r3,0xffffffd0(r2) > 724: 07 ff ff
> 41 l.jal 428 <_uart_putc> > 728: 15 00 00 00 l.nop
0x0
> > 72c: 03 ff ff f1 l.j 6f0 <_main+0xa0> > 730: 15 00
> 00 00 l.nop 0x0 > 734: 85 21 00 00 l.lwz r9,0x0(r1) >
> 738: 84 41 00 04 l.lwz r2,0x4(r1) > 73c: 44 00 48 00
l.jr r9
> > 740: 9c 21 00 3c l.addi r1,r1,0x3c > > > > -----
> Original Message ----- > From: Robert Cragie<rcc at j...>
> > To: > Date: Thu Nov 22 11:30:49 CET 2007 > Subject:
> [openrisc] how to run hello world in on-chip ram? > > >
> Can you post the disassembly of your hello.or32 file?: > >
> > > or32-uclinux-objdump -d hello.or32 > > > >
> That will give a clearer picture of where everything is. > >
> > > Robert > > > > Robert Cragie, Design Engineer
> > > >
>
_____________________________________________________________
>
> __ > > Jennic Ltd, Furnival Street, Sheffield, S1 4QT, UK
> > > http://www.jennic.com Tel: +44 (0) 114 281 2655 > >
> > _______________________________________________ >
> http://www.opencores.org/mailman/listinfo/openrisc
>
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