040000 tree 073b921dd34f790c4dd9063aba17c8dd5f86b20e	arc
040000 tree 19073aa70209e7457f690b3a550ec2b3e3afdef7	arm
100644 blob b03f81f959e4e9985f59f62aa040cce6450a52b1	cpu.h
040000 tree a33ea0be07e1353aef4a3cfecc5d7a15f6c0db26	nios2
040000 tree c176b788c91970070a591010ae91ccfe862999fb	posix
040000 tree a904fec7980bc0be349b404a4a3f7cb2d0dd141e	riscv32
100644 blob 6872ce3ce3252e14def6d2c9d9d382b3006e368b	syscall.h
040000 tree 1ed1a66bf33af561509a35e7ba8ae10a4d7e39b5	x86
040000 tree 1fcf522d07a6278c36b637a6aa9810b41ad73a46	xtensa