[PATCH 05/16] rename __get_map() to efi_get_memory_map(), add parameter to optionally return mmap key. The mmap key is required to exit EFI boot services, and allows efi_get_memory_map() to be used for getting final memory map.

Roy Franz
2013-08-09T23:26:06Z

Signed-off-by: Roy Franz <roy.franz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
drivers/firmware/efi/efi-stub-helper.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
index 40cd16e..1d0a079 100644
--- a/drivers/firmware/efi/efi-stub-helper.c
+++ b/drivers/firmware/efi/efi-stub-helper.c
@@ -46,10 +46,11 @@ static void efi_printk(efi_system_table_t *sys_table_arg, char *str)
}

-static efi_status_t __get_map(efi_system_table_t *sys_table_arg,
- efi_memory_desc_t **map,
- unsigned long *map_size,
- unsigned long *desc_size)
+static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
+ efi_memory_desc_t **map,
+ unsigned long *map_size,
+ unsigned long *desc_size,
+ unsigned long *key_ptr)
{
efi_memory_desc_t *m = NULL;
efi_status_t status;
@@ -77,6 +78,8 @@ again:

if (status != EFI_SUCCESS)
efi_call_phys1(sys_table_arg->boottime->free_pool, m);
+ if (key_ptr && status == EFI_SUCCESS)
+ *key_ptr = key;

fail:
*map = m;
@@ -97,7 +100,8 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
u64 max_addr = 0;
int i;

- status = __get_map(sys_table_arg, &map, &map_size, &desc_size);
+ status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+ NULL);
if (status != EFI_SUCCESS)
goto fail;

@@ -175,7 +179,8 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
unsigned long nr_pages;
int i;

- status = __get_map(sys_table_arg, &map, &map_size, &desc_size);
+ status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+ NULL);
if (status != EFI_SUCCESS)
goto fail;

--
1.7.10.4