diff options
Diffstat (limited to 'sys/powerpc/ofw/ofw_real.c')
| -rw-r--r-- | sys/powerpc/ofw/ofw_real.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/powerpc/ofw/ofw_real.c b/sys/powerpc/ofw/ofw_real.c index 617f9be..1fc2ed1 100644 --- a/sys/powerpc/ofw/ofw_real.c +++ b/sys/powerpc/ofw/ofw_real.c @@ -205,13 +205,14 @@ ofw_real_bounce_alloc(void *junk) /* * Allocate a page of contiguous, wired physical memory that can - * fit into a 32-bit address space. + * fit into a 32-bit address space and accessed from real mode. */ mtx_lock(&of_bounce_mtx); - of_bounce_virt = contigmalloc(PAGE_SIZE, M_OFWREAL, 0, - 0, BUS_SPACE_MAXADDR_32BIT, PAGE_SIZE, PAGE_SIZE); + of_bounce_virt = contigmalloc(PAGE_SIZE, M_OFWREAL, 0, 0, + ulmin(platform_real_maxaddr(), BUS_SPACE_MAXADDR_32BIT), PAGE_SIZE, + PAGE_SIZE); of_bounce_phys = vtophys(of_bounce_virt); of_bounce_size = PAGE_SIZE; |
