1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// See LICENSE for license details.
#include "pk.h"
#include "atomic.h"
#include "frontend.h"
#include "syscall.h"
#include "htif.h"
#include "mmap.h"
#include <stdint.h>
long 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)
{
static volatile uint64_t magic_mem[8];
static spinlock_t lock = SPINLOCK_INIT;
spinlock_lock(&lock);
magic_mem[0] = n;
magic_mem[1] = a0;
magic_mem[2] = a1;
magic_mem[3] = a2;
magic_mem[4] = a3;
magic_mem[5] = a4;
magic_mem[6] = a5;
magic_mem[7] = a6;
htif_syscall(kva2pa_maybe(magic_mem));
long ret = magic_mem[0];
spinlock_unlock(&lock);
return ret;
}
void shutdown(int code)
{
frontend_syscall(SYS_exit, code, 0, 0, 0, 0, 0, 0);
while (1);
}
|