| Author |
Message |
Forum: BSP (Board Support Package) Topic: sag to assign .o file in folder |
| cindy |
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Posted: Fri Jun 13, 2014 12:22 pm
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Replies: 0
Views: 6622
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| The syntax to use sag to assign .o file inside a folder ./src/program1.o (+RW, +ZI) LOAD_ROM_1 0x0000 { EXEC_ROM_1 0x0000 { ./src/program1.o SORT (+RO) } DRAM 0x10000 0x8000 { ./src/program1.o (+RW, +ZI) } } LOAD_ROM_2 +0x1000 { EXEC_ROM_2 +0x0 { *(.text) *(+RO) } SRAM 0x18000 0x8000 { * (+RW, +ZI) ... |
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Forum: Programming Topic: Turn off relax optimization |
| cindy |
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Posted: Thu Jun 12, 2014 3:42 pm
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Replies: 0
Views: 7477
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| Turn off relax optimization Linker Option: -mno-relax -mno-relax.png nds32le-elf-gcc -O0 -nostartfiles -static -mno-relax -Toutput/.nds32le-elf-mculib-v3_start0x0.x -Xlinker -defsym -Xlinker _stack=0x1000 -o "mem_test2.adx" ./src/mem_test2.o mem_test2.zip No relax: 00000000 <main>: 0: 46 0... |
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Forum: BSP (Board Support Package) Topic: Linker order - GCC |
| cindy |
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Posted: Tue Jun 10, 2014 3:24 pm
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Replies: 0
Views: 6860
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Forum: Programming Topic: Read/write memory code for RTL simulation |
| cindy |
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Posted: Fri Jun 06, 2014 2:49 pm
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Replies: 0
Views: 7399
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| This program is to observe memory read/write on BUS in RTL simulation. It is quiet simple. The data is at 0x68 0x6c 0x70 00000000 <main>: 0: 46 01 23 45 sethi $r0,#0x12345 4: 58 00 06 78 ori $r0,$r0,#0x678 8: 46 f0 00 00 sethi $r15,#0x0 c: 14 07 80 1a swi $r0,[$r15+#0x68] 10: 46 f0 00 00 sethi $r15,... |
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Forum: Announcement Topic: How to Design Chips to Meet the Demands of Low-Power IoT App |
| cindy |
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Posted: Fri May 30, 2014 6:20 pm
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Replies: 0
Views: 23701
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US webinar
2014.5.29
"How to Design Chips to Meet the Demands of Low-Power IoT Applications"
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Forum: Announcement Topic: Andes Core for IoT WiFi Application (Youtube video) |
| cindy |
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Posted: Tue May 20, 2014 5:36 pm
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Replies: 0
Views: 22965
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Forum: BSP (Board Support Package) Topic: naked function |
| cindy |
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Posted: Sat May 17, 2014 12:17 am
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Replies: 0
Views: 6965
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| From: http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html naked Use this attribute on the ARM, AVR, MCORE, MSP430, NDS32, RL78, RX and SPU ports to indicate that the specified function does not need prologue/epilogue sequences generated by the compiler. It is up to the programmer to provide t... |
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Forum: BSP (Board Support Package) Topic: NDS32 target attribute |
| cindy |
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Posted: Sat May 17, 2014 12:16 am
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Replies: 0
Views: 6621
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| Cool! There are some NDS32 target attribute in gcc online document. http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html On NDS32 target, this attribute is to indicate that the specified function is an interrupt handler. The compiler will generate corresponding sections for use in an interrupt... |
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Forum: BSP (Board Support Package) Topic: always_inline |
| cindy |
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Posted: Sat May 17, 2014 12:07 am
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Replies: 0
Views: 6830
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about inline
Reference:
http://gcc.gnu.org/onlinedocs/gcc/Funct ... butes.html
always_inline
Generally, functions are not inlined unless optimization is specified. For functions declared inline, this attribute inlines the function even if no optimization level is specified. |
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Forum: AndeSight MCU/RDS Topic: enable ex9 optimization |
| cindy |
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Posted: Thu May 01, 2014 8:38 pm
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Replies: 1
Views: 8605
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The option -mex9 should add in both gcc and ld.
In compiler:
Attachment:
ex9_1.png [ 24.25 KiB | Viewed 8605 times ]
In linker:
Attachment:
ex9_2.png [ 24.08 KiB | Viewed 8605 times ]
Here is a example:
Attachment:
demo-int.zip [130.31 KiB]
Downloaded 826 times
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