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This commit is contained in:
Taku Shimosawa
2012-01-06 17:06:42 +09:00
parent 00107164b3
commit d2591c6d25
12 changed files with 244 additions and 73 deletions
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28
linux/mod_mcctrl/syscall.c
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@ -76,6 +76,10 @@ static unsigned long translate_remote_va(struct mcctrl_channel *c,
return -EFAULT;
}
unsigned long last_thread_exec = 0;
extern struct mcctrl_channel *channels;
int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
struct syscall_request *sc)
{
@ -84,7 +88,7 @@ int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
unsigned long pa;
switch (sc->number) {
case 0:
case 0: /* read */
case 1024:
if (sc->number & 1024) {
sc->args[1] = translate_remote_va(c, sc->args[1]);
@ -108,7 +112,7 @@ int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
__return_syscall(c, ret);
return 0;
case 1:
case 1: /* write */
case 1025:
if (sc->number & 1024) {
sc->args[1] = translate_remote_va(c, sc->args[1]);
@ -131,7 +135,7 @@ int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
__return_syscall(c, ret);
return 0;
case 2:
case 2: /* open */
case 1026:
if (sc->number & 1024) {
sc->args[0] = translate_remote_va(c, sc->args[0]);
@ -155,11 +159,27 @@ int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
__return_syscall(c, ret);
return 0;
case 3:
case 3: /* Close */
ret = sys_close(sc->args[0]);
__return_syscall(c, ret);
return 0;
case 56: /* Clone */
last_thread_exec++;
if (mcctrl_ikc_is_valid_thread(last_thread_exec)) {
printk("Clone notification: %lx\n", sc->args[0]);
if (channels[last_thread_exec].param.post_va) {
memcpy(channels[last_thread_exec].param.post_va,
c->param.post_va, PAGE_SIZE);
}
mcctrl_ikc_send_msg(last_thread_exec,
SCD_MSG_SCHEDULE_PROCESS,
last_thread_exec, sc->args[0]);
}
__return_syscall(c, 0);
return 0;
default:
if (sc->number & 1024) {
__return_syscall(c, -EFAULT);