nios2: System calls handling

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This patch adds support for system calls from userspaces. It uses the
asm-generic/unistd.h definitions with architecture spcific syscall.
The sys_call_table is just an array defined in a C file and it contains
pointers to the syscall functions.

Signed-off-by: Ley Foon Tan <lftan@altera.com>

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Ley Foon Tan 2014-11-06 15:19:57 +08:00

parent 19f4c6b5af

commit 1000197d80

5 changed files with 270 additions and 0 deletions

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138

arch/nios2/include/asm/syscall.h

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25

arch/nios2/include/asm/syscalls.h

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25

arch/nios2/include/uapi/asm/unistd.h

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53

arch/nios2/kernel/sys_nios2.c

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29

arch/nios2/kernel/syscall_table.c

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