1// See LICENSE for license details. 2 3#include "pk.h" 4#include "atomic.h" 5#include "frontend.h" 6#include "syscall.h" 7#include "htif.h" 8#include <stdint.h> 9 10long frontend_syscall(long n, uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5, uint64_t a6) 11{ 12 static volatile uint64_t magic_mem[8]; 13 14 static spinlock_t lock = SPINLOCK_INIT; 15 spinlock_lock(&lock); 16 17 magic_mem[0] = n; 18 magic_mem[1] = a0; 19 magic_mem[2] = a1; 20 magic_mem[3] = a2; 21 magic_mem[4] = a3; 22 magic_mem[5] = a4; 23 magic_mem[6] = a5; 24 magic_mem[7] = a6; 25 26 htif_syscall((uintptr_t)magic_mem); 27 28 long ret = magic_mem[0]; 29 30 spinlock_unlock(&lock); 31 return ret; 32} 33 34void shutdown(int code) 35{ 36 frontend_syscall(SYS_exit, code, 0, 0, 0, 0, 0, 0); 37 while (1); 38} 39 40void copy_stat(struct stat* dest, struct frontend_stat* src) 41{ 42 dest->st_dev = src->dev; 43 dest->st_ino = src->ino; 44 dest->st_mode = src->mode; 45 dest->st_nlink = src->nlink; 46 dest->st_uid = src->uid; 47 dest->st_gid = src->gid; 48 dest->st_rdev = src->rdev; 49 dest->st_size = src->size; 50 dest->st_blksize = src->blksize; 51 dest->st_blocks = src->blocks; 52 dest->st_atime = src->atime; 53 dest->st_mtime = src->mtime; 54 dest->st_ctime = src->ctime; 55} 56