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OMAPL138arm核跑linux+ipc,dsp核跑sysbios+ipc,如何重设dsp端程序起始。
8 u4 u. G: J4 w# I) P6 C0 M' I 板件使用的是创龙的核心板,linux系统是创龙提供的系统,dsp端程序使用的是例程hello为蓝本重新生成的rtsc工程,使用c++,其中的bld文件如下:
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7 v" i. N3 x3 m3 w$ c5 c3 l1 Q/*4 x) v' ?8 `7 [
* ======== config.bld ========
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*/
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var Build = xdc.useModule('xdc.bld.BuildEnvironment');4 s" \: M% r' D( k
4 v/ f, H! ?( r* {/* Memory Map for ti.platforms.evmOMAPL138/ }' {% K& R/ w( d+ f" l# i
*
1 l# }; K0 F3 B * C000_0000 - C7FF_FFFF 800_0000 ( 128 MB) External Memory( i4 E0 R; Q& f) y8 B3 \
* ------------------------------------------------------------------------
u3 o) G9 ^$ S. ~8 `' S * C000_0000 - C1FF_FFFF 200_0000 ( 32 MB) Linux
% J* w+ k2 k2 [! O * C200_0000 - C200_FFFF 1_0000 ( 64 KB) SR_0 (ipc)
/ l, X6 m" F& M6 ^2 @ * C201_0000 - C202_FFFF 2_0000 ( 128 KB) SR_1 (data buffers)( s: Z) ~; V- T! Z; |
* C203_0000 - C2FF_FFFF FF_0000 ( ~15 MB) --------. P. B$ z# m! o' u" ^
* C300_0000 - C37F_FFFF 80_0000 ( 8 MB) DSP_PROG (code, data)4 p, C3 L2 G/ a" o9 j/ J) W1 i, R
* C380_0000 - C3FF_FFFF 80_0000 ( 8 MB) --------
0 e! n. s" }1 k! O( k * C400_0000 - C7FF_FFFF 400_0000 ( 64 MB) Linux/ h) }* c9 \0 q
*/
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: |% D& o9 V3 b) U5 V% w9 |' rvar SR_0 = {
1 T! r6 w2 N5 W3 W, A0 s name: "SR_0", space: "data", access: "RWX",
4 C: p9 L5 ?9 }8 U) C8 O7 A/ q, f- E base: 0xC2000000, len: 0x10000,
K1 J9 E0 A& R" }; R- t* c7 D. f comment: "SR#0 Memory (64 KB)"; E6 M1 z( s2 v5 h
};
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( R0 Q- x' @. `% X* O. q( C+ D4 Gvar SR_1 = {* m7 i" A2 @* p+ W* q
name: "SR_1", space: "data", access: "RWX",2 T/ L# M$ D4 i; Y, p
base: 0xC2010000, len: 0x20000,
$ t e; o' W2 l) T6 ^ comment: "SR#1 Memory (128 KB)"' l3 x3 N5 V' x$ Z; V7 @+ s: k- B
};" m2 M' j1 J7 Y+ f2 c4 D" c7 b
5 J$ o$ B3 A: J9 U6 k7 SBuild.platformTable["ti.platforms.evmOMAPL138:dsp"] = {
; z$ H* g1 y+ k) K externalMemoryMap: [% v3 j1 F0 _: n' ]% Y H2 q, I
[ SR_0.name, SR_0 ],
# C7 C1 U/ k7 T, L. l [ SR_1.name, SR_1 ],
. e1 [' R! ?/ q. a [ "DSP_PROG", {
2 n6 l" ? Q7 x7 ? T& V name: "DSP_PROG", space: "code/data", access: "RWX",
1 Q, J7 G) y% j, M- E, N base: 0xC2100000, len: 0x1E00000," a! v0 i" O6 J8 {
comment: "DSP Program Memory (31 MB)"
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codeMemory: "DSP_PROG",
% p- H& y) a2 i6 X* h6 O dataMemory: "DSP_PROG",( \ ?5 b, b9 O0 O' e$ T
stackMemory: "DSP_PROG",1 S3 e# a# z/ y5 l+ }% y8 H
l1DMode: "32k",' B& P0 M% }3 W! A- ]
l1PMode: "32k",) I2 Y" Y! |: ]
l2Mode: "64k"% z8 G! ?7 L- t% {" e: L; L( _; a U
};
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* ======== ti.targets.elf.C674 ========
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var C674 = xdc.useModule('ti.targets.elf.C674');
) _. |* r' F) D" d0 W4 gC674.ccOpts.suffix += " -mi10 -mo ";
8 D: X8 D! r, @* fBuild.targets.$add(C674);2 ~" C) p) J9 t3 B7 @
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& o" C9 |+ _/ g5 k0 D====================
@; h5 x6 B7 ]5 F2 z) l, S原来DSP_PROG是0xC3000000起始,8MB长度的,现在因为需要一个比较大的缓存20MB以上,所以改成0xC2100000起始,31MB,但是编译之后,好像dsp启动不起来。重新修改了rtsc的platform的DSP_PROG的起始为0xC2100000长度31MB,程序还没有修改,还是原来的代码也没有增加缓存相关代码,只是调整程序空间起始和长度。不知道还需要修改哪些地方。2 `% b; Q2 u* u# \- ~6 \
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