@@ -51,6 +51,20 @@ const char *__efi_nesting_dec(void);
debug("%sEFI: Return From: %s\n", __efi_nesting_dec(), #exp); \
} while(0)
+/*
+ * Write GUID
+ */
+#define EFI_PRINT_GUID(txt, guid) ({ \
+ debug("EFI: %s %02x%02x%02x%02x-%02x%02x-%02x%02x-" \
+ "%02x%02x%02x%02x%02x%02x%02x%02x\n", \
+ txt, ((u8 *)guid)[3], \
+ ((u8 *)guid)[2], ((u8 *)guid)[1], ((u8 *)guid)[0], \
+ ((u8 *)guid)[5], ((u8 *)guid)[4], ((u8 *)guid)[7], \
+ ((u8 *)guid)[6], ((u8 *)guid)[8], ((u8 *)guid)[9], \
+ ((u8 *)guid)[10], ((u8 *)guid)[11], ((u8 *)guid)[12], \
+ ((u8 *)guid)[13], ((u8 *)guid)[14], ((u8 *)guid)[15]); \
+ })
+
extern struct efi_runtime_services efi_runtime_services;
extern struct efi_system_table systab;
@@ -1314,6 +1314,8 @@ static efi_status_t EFIAPI efi_open_protocol(
goto out;
}
+ EFI_PRINT_GUID("protocol:", protocol);
+
switch (attributes) {
case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL:
case EFI_OPEN_PROTOCOL_GET_PROTOCOL:
To understand what happens in OpenProtol it is necessary to know the protocol interface GUID. Let's write a debug message. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> --- include/efi_loader.h | 14 ++++++++++++++ lib/efi_loader/efi_boottime.c | 2 ++ 2 files changed, 16 insertions(+)