diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/arch/proc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/arch/proc.h b/include/arch/proc.h index 493b168..c9b54db 100644 --- a/include/arch/proc.h +++ b/include/arch/proc.h @@ -113,4 +113,14 @@ void adjust_syscall(struct tcb *t); */ __noreturn void run_init(struct tcb *t, void *fdt); +/** + * Return to userspace fast. + * Doesn't load registers besides arguments. + * Mainly for do_ipc(). + * Note that this skips canary checking, + * but at least do_ipc() uses basically zero stack space + * so I'm not too worried. + */ +__noreturn void ret_userspace_fast(); + #endif /* KMI_ARCH_PROC_H */ |