HelenOS sources

a1                 37 boot/arch/mips32/include/arch/regname.h #define a1      5
a1                 43 kernel/arch/mips32/include/arch/asm/regname.h #define a1      5
a1                 43 uspace/lib/c/arch/mips32/include/libarch/regname.h #define a1      5