Thanks Mark - I'll get that in the next version of the patches.
On Fri, Aug 9, 2013 at 7:10 AM, Mark Salter <msalter@xxxxxxxxxx> wrote:
> On Tue, 2013-08-06 at 20:45 -0700, Roy Franz wrote:
>> The x86/AMD64 EFI stubs must us a call wrapper to convert between
>> the Linux and EFI ABIs, so void pointers are sufficient. For ARM,
>> the ABIs are compatible, so we can directly invoke the function
>> pointers. The functions that are used by the ARM stub are updated
>> to match the EFI definitions.
>>
>> Signed-off-by: Roy Franz <roy.franz@xxxxxxxxxx>
>> ---
>> include/linux/efi.h | 42 +++++++++++++++++++++++++-----------------
>> 1 file changed, 25 insertions(+), 17 deletions(-)
>>
>> diff --git a/include/linux/efi.h b/include/linux/efi.h
>> index 51f5641..96bb866 100644
>> --- a/include/linux/efi.h
>> +++ b/include/linux/efi.h
>> @@ -39,6 +39,8 @@
>> typedef unsigned long efi_status_t;
>> typedef u8 efi_bool_t;
>> typedef u16 efi_char16_t; /* UNICODE character */
>> +typedef u64 efi_physical_addr_t;
>> +typedef void *efi_handle_t;
>>
>>
>> typedef struct {
>> @@ -96,6 +98,7 @@ typedef struct {
>> #define EFI_MEMORY_DESCRIPTOR_VERSION 1
>>
>> #define EFI_PAGE_SHIFT 12
>> +#define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT)
>>
>> typedef struct {
>> u32 type;
>> @@ -157,11 +160,12 @@ typedef struct {
>> efi_table_hdr_t hdr;
>> void *raise_tpl;
>> void *restore_tpl;
>> - void *allocate_pages;
>> - void *free_pages;
>> - void *get_memory_map;
>> - void *allocate_pool;
>> - void *free_pool;
>> + int (*allocate_pages)(int, int, unsigned long, efi_physical_addr_t *);
>> + int (*free_pages)(efi_physical_addr_t, unsigned long);
>
> All of the actual function pointers that were added should return an
> efi_status_t instead of int. On arm64, I was seeing an unrecognizable
> error status because the truncation from 64 to 32 bits.
>
> --Mark
>
>
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