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efi_loader: write protocol GUID in OpenProtocol

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To understand what is happening in OpenProtocol or LocateProtocol
it is necessary to know the protocol interface GUID.
Let's write a debug message.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-08-18 17:45:16 +02:00 committed by Alexander Graf
parent da94073b42
commit ae0bd3a983
2 changed files with 17 additions and 0 deletions
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8
include/efi_loader.h
View File

@ -17,6 +17,7 @@
int __efi_entry_check(void);
int __efi_exit_check(void);
const char *__efi_nesting(void);
const char *__efi_nesting_inc(void);
const char *__efi_nesting_dec(void);
@ -51,6 +52,13 @@ 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("%sEFI: %s %pUl\n", __efi_nesting(), txt, guid); \
})
extern struct efi_runtime_services efi_runtime_services;
extern struct efi_system_table systab;

9
lib/efi_loader/efi_boottime.c
View File

@ -109,6 +109,11 @@ static const char *indent_string(int level)
return &indent[max - level];
}
const char *__efi_nesting(void)
{
return indent_string(nesting_level);
}
const char *__efi_nesting_inc(void)
{
return indent_string(nesting_level++);
@ -1021,6 +1026,8 @@ static efi_status_t EFIAPI efi_locate_protocol(efi_guid_t *protocol,
if (!protocol || !protocol_interface)
return EFI_EXIT(EFI_INVALID_PARAMETER);
EFI_PRINT_GUID("protocol", protocol);
list_for_each(lhandle, &efi_obj_list) {
struct efi_object *efiobj;
@ -1134,6 +1141,8 @@ 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: