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Altera_Forum
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13 years ago

Problems with installing Nios2 Linux

I am attempting to install the Nios2 Linux development tools on a Centos 6.3 based system. I am somewhat confused by the instructions (on alteras wiki: Install_Nios_II_Linux). They indicate tha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Hi,

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That takes me back where I started: 


$ nios2-linux-uclibc-gcc -c  -D __ASSEMBLY__ -D __KERNEL__ -I/home/developer/altera/nios2-linux/linux-2.6/include -I/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/include -I/home/developer/altera/nios2-linux/uClinux-dist/linux-2.6.x/include /home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S: Assembler messages:
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:138: Error: expecting control register
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:138: Error: unknown register r5
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:546: Error: expecting control register
/home/developer/altera/nios2-linux/linux-2.6/arch/nios2/kernel/entry.S:546: Error: unknown register r6

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This means that there is no problem around the search path. So what code do you have at line 138 and 546 of 'entry.S' ?

Kazu