ref: 09d11c64e5014a64dbc7b807899b3dd2581fe26f
dir: /os/boot/arm1110/fns.h/
/* * functions defined locally */ extern int gunzip(uchar *out, int outn, uchar *in, int inn); extern void delay(int ms); extern void serialputs(char *str, int n); extern void draincache(void);