upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-05-28 04:12:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Restrict SLB handler to powerpc64 and AIM

Browse source 
Only Book-S has SLBs.  Book-E does not, so restrict it to only Book-S (which we
call AIM).
This commit is contained in:
Justin Hibbits 2016-12-28 03:40:54 +00:00
parent 87f8129d28
commit d5a30121f4
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
sys/powerpc/powerpc/trap.c
View file

@ -88,7 +88,7 @@ static int fix_unaligned(struct thread *td, struct trapframe *frame);
static int handle_onfault(struct trapframe *frame);
static void syscall(struct trapframe *frame);
#ifdef __powerpc64__
#if defined(__powerpc64__) && defined(AIM)
void handle_kernel_slb_spill(int, register_t, register_t);
static int handle_user_slb_spill(pmap_t pm, vm_offset_t addr);
extern int n_slbs;
@ -208,7 +208,7 @@ trap(struct trapframe *frame)
ucode = TRAP_TRACE;
break;
#ifdef __powerpc64__
#if defined(__powerpc64__) && defined(AIM)
case EXC_ISE:
case EXC_DSE:
if (handle_user_slb_spill(&p->p_vmspace->vm_pmap,
@ -347,7 +347,7 @@ trap(struct trapframe *frame)
}
break;
#endif
#ifdef __powerpc64__
#if defined(__powerpc64__) && defined(AIM)
case EXC_DSE:
if ((frame->dar & SEGMENT_MASK) == USER_ADDR) {
__asm __volatile ("slbmte %0, %1" ::
@ -578,7 +578,7 @@ syscall(struct trapframe *frame)
td = curthread;
td->td_frame = frame;
#ifdef __powerpc64__
#if defined(__powerpc64__) && defined(AIM)
/*
* Speculatively restore last user SLB segment, which we know is
* invalid already, since we are likely to do copyin()/copyout().
@ -591,7 +591,7 @@ syscall(struct trapframe *frame)
syscallret(td, error, &sa);
}
#ifdef __powerpc64__
#if defined(__powerpc64__) && defined(AIM)
/* Handle kernel SLB faults -- runs in real mode, all seat belts off */
void
handle_kernel_slb_spill(int type, register_t dar, register_t srr0)