Am 21.12.2010 um 11:38 schrieb Mark Cave-Ayland:
Some uses of ofmem_malloc_align() need to ensure that the alignment requirement is for physical as well as virtual addresses, e.g. for MMU page tables.
Signed-off-by: Mark Cave-Ayland mark.cave-ayland@siriusit.co.uk
openbios-devel/include/arch/ppc/io.h | 20 ++++++++++++++++++++ openbios-devel/libopenbios/ofmem_common.c | 11 ++++++++--- 2 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/openbios-devel/include/arch/ppc/io.h b/openbios-devel/ include/arch/ppc/io.h index 3449c5b..20586e4 100644 --- a/openbios-devel/include/arch/ppc/io.h +++ b/openbios-devel/include/arch/ppc/io.h @@ -9,6 +9,26 @@ extern char _start, _end; extern unsigned long virt_offset;
+static inline unsigned long +va2pa(unsigned long va) +{
- if ((va >= (unsigned long)&_start) &&
(va < (unsigned long)&_end))return va - virt_offset;- else
return va;+}
+static inline unsigned long +pa2va(unsigned long pa) +{
- if ((pa + virt_offset >= (unsigned long)&_start) &&
(pa + virt_offset < (unsigned long)&_end))return pa + virt_offset;- else
return pa;+}
--verbose please! What is this supposed to do? Seems like a duplicate of ofmem.c:ea_to_phys() but different?
Andreas
#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virt_offset)) #define virt_to_phys(virt) ((unsigned long) (virt) + virt_offset)