xv6-65oo2/user/initcode.S

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# Initial process execs /init.
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# This code runs in user space.
#include "syscall.h"
# exec(init, argv)
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.globl start
start:
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la a0, init
la a1, argv
li a7, SYS_exec
ecall
# for(;;) exit();
exit:
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li a7, SYS_exit
ecall
jal exit
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# char init[] = "/init\0";
init:
.string "/init\0"
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# char *argv[] = { init, 0 };
.p2align 2
argv:
.long init
.long 0