Messages in this thread Patch in this message |  | | From | Andi Kleen <> | Subject | [PATCH x86 for review II] [34/39] i386: Use stack arguments for calling into EFI | Date | Mon, 12 Feb 2007 08:38:22 +0100 (CET) |
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When calling into the EFI firmware, the parameters need to be passed on the stack. The recent change to use -mregparm=3 breaks x86 EFI support. This patch is needed to allow the new Intel-based Macs to suspend to ram (efi.get_time is called during the suspend phase).
Signed-off-by: Frederic Riss <frederic.riss@gmail.com> Signed-off-by: Andi Kleen <ak@suse.de>
--- include/linux/efi.h | 43 +++++++++++++++++++++++++++---------------- 1 file changed, 27 insertions(+), 16 deletions(-)
Index: linux/include/linux/efi.h =================================================================== --- linux.orig/include/linux/efi.h +++ linux/include/linux/efi.h @@ -157,22 +157,33 @@ typedef struct { unsigned long reset_system; } efi_runtime_services_t; -typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); -typedef efi_status_t efi_set_time_t (efi_time_t *tm); -typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, - efi_time_t *tm); -typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); -typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, - unsigned long *data_size, void *data); -typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, - efi_guid_t *vendor); -typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, - unsigned long attr, unsigned long data_size, - void *data); -typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); -typedef void efi_reset_system_t (int reset_type, efi_status_t status, - unsigned long data_size, efi_char16_t *data); -typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, +typedef asmlinkage efi_status_t efi_get_time_t (efi_time_t *tm, + efi_time_cap_t *tc); +typedef asmlinkage efi_status_t efi_set_time_t (efi_time_t *tm); +typedef asmlinkage efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, + efi_bool_t *pending, + efi_time_t *tm); +typedef asmlinkage efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, + efi_time_t *tm); +typedef asmlinkage efi_status_t efi_get_variable_t (efi_char16_t *name, + efi_guid_t *vendor, + u32 *attr, + unsigned long *data_size, + void *data); +typedef asmlinkage efi_status_t efi_get_next_variable_t (unsigned long *name_sz, + efi_char16_t *name, + efi_guid_t *vendor); +typedef asmlinkage efi_status_t efi_set_variable_t (efi_char16_t *name, + efi_guid_t *vendor, + unsigned long attr, + unsigned long data_size, + void *data); +typedef asmlinkage efi_status_t efi_get_next_high_mono_count_t (u32 *count); +typedef asmlinkage void efi_reset_system_t (int reset_type, + efi_status_t status, + unsigned long data_size, + efi_char16_t *data); +typedef asmlinkage efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, unsigned long descriptor_size, u32 descriptor_version, efi_memory_desc_t *virtual_map); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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