diff options
| -rw-r--r-- | sys/amd64/amd64/vm_machdep.c | 4 | ||||
| -rw-r--r-- | sys/i386/i386/vm_machdep.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/amd64/amd64/vm_machdep.c b/sys/amd64/amd64/vm_machdep.c index 22625b2..232ac42 100644 --- a/sys/amd64/amd64/vm_machdep.c +++ b/sys/amd64/amd64/vm_machdep.c @@ -160,6 +160,10 @@ cpu_fork(p1, p2, flags) ((int)p2->p_addr + UPAGES * PAGE_SIZE - 16) - 1; bcopy(p1->p_md.md_regs, p2->p_md.md_regs, sizeof(*p2->p_md.md_regs)); + p2->p_md.md_regs->tf_eax = 0; /* Child returns zero */ + p2->p_md.md_regs->tf_eflags &= ~PSL_C; /* success */ + p2->p_md.md_regs->tf_edx = 1; + /* * Set registers for trampoline to user mode. Leave space for the * return address on stack. These are the kernel mode register values. diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c index 22625b2..232ac42 100644 --- a/sys/i386/i386/vm_machdep.c +++ b/sys/i386/i386/vm_machdep.c @@ -160,6 +160,10 @@ cpu_fork(p1, p2, flags) ((int)p2->p_addr + UPAGES * PAGE_SIZE - 16) - 1; bcopy(p1->p_md.md_regs, p2->p_md.md_regs, sizeof(*p2->p_md.md_regs)); + p2->p_md.md_regs->tf_eax = 0; /* Child returns zero */ + p2->p_md.md_regs->tf_eflags &= ~PSL_C; /* success */ + p2->p_md.md_regs->tf_edx = 1; + /* * Set registers for trampoline to user mode. Leave space for the * return address on stack. These are the kernel mode register values. |
