xt-sys/exectos
xt-sys/exectos
3
5
Fork 3
Code Issues 3 Pull Requests 1 Actions Projects 1 Releases Wiki Activity

XTLDR Rewrite #7

Merged
belliash merged 184 commits from xtldr_rewrite into master 2024-01-09 18:51:04 +01:00
Conversation 1 Commits 184 Files Changed 63 +81 -70
3 changed files with 81 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit 17049d7e82 - Show all commits

1
xtldr2/CMakeLists.txt
View File

@ -18,6 +18,7 @@ list(APPEND XTLDR_SOURCE
${XTLDR_SOURCE_DIR}/globals.c
${XTLDR_SOURCE_DIR}/hardware.c
${XTLDR_SOURCE_DIR}/memory.c
${XTLDR_SOURCE_DIR}/modproto.c
${XTLDR_SOURCE_DIR}/protocol.c
${XTLDR_SOURCE_DIR}/shell.c
${XTLDR_SOURCE_DIR}/string.c

80
xtldr2/modproto.c Normal file
View File

@ -0,0 +1,80 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtldr/modproto.c
* DESCRIPTION: XT Boot Loader protocol support for XTLDR modules
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#include <xtldr.h>
/**
* Finds and opens the XT Boot Loader protocol. This routine should be called by module to access XTLDR protocol.
*
* @param SystemTable
* Provides the EFI system table.
*
* @param ImageHandle
* Firmware-allocated handle that identifies the image.
*
* @param ProtocolHandler
* Receives the pointer to the XT Boot Loader protocol.
*
* @return This routine returns a status code.
*
* @since XT 1.0
*/
XTCDECL
EFI_STATUS
BlGetXtLdrProtocol(IN PEFI_SYSTEM_TABLE SystemTable,
IN EFI_HANDLE ImageHandle,
OUT PXTBL_LOADER_PROTOCOL *ProtocolHandler)
{
EFI_GUID ProtocolGuid = XT_BOOT_LOADER_PROTOCOL_GUID;
PEFI_HANDLE Handles = NULL;
EFI_STATUS Status;
UINT_PTR Count;
UINT Index;
/* Try to locate the handles */
Status = SystemTable->BootServices->LocateHandleBuffer(ByProtocol, &ProtocolGuid, NULL, &Count, &Handles);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get handles */
return Status;
}
/* Check if any handles returned */
if(Count > 0)
{
/* Iterate through all given handles */
for(Index = 0; Index < Count; Index++)
{
/* Try to open protocol */
Status = SystemTable->BootServices->OpenProtocol(Handles[Index], &ProtocolGuid,
(PVOID*)ProtocolHandler, ImageHandle, NULL,
EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
/* Check if successfully opened the loader protocol */
if(Status == STATUS_EFI_SUCCESS)
{
/* Protocol found and successfully opened */
break;
}
}
}
/* Free handles */
SystemTable->BootServices->FreePool(Handles);
/* Make sure the loaded protocol has been found */
if(*ProtocolHandler == NULL)
{
/* Protocol not found */
return STATUS_EFI_NOT_FOUND;
}
/* Return success */
return STATUS_EFI_SUCCESS;
}

70
xtldr2/protocol.c
View File

@ -52,76 +52,6 @@ BlFindBootProtocol(IN PWCHAR SystemType,
return STATUS_EFI_NOT_FOUND;
}
/**
* Finds and opens the XT Boot Loader protocol. This routine should be called by module to access XTLDR protocol.
*
* @param SystemTable
* Provides the EFI system table.
*
* @param ImageHandle
* Firmware-allocated handle that identifies the image.
*
* @param ProtocolHandler
* Receives the pointer to the XT Boot Loader protocol.
*
* @return This routine returns a status code.
*
* @since XT 1.0
*/
XTCDECL
EFI_STATUS
BlGetXtLdrProtocol(IN PEFI_SYSTEM_TABLE SystemTable,
IN EFI_HANDLE ImageHandle,
OUT PXTBL_LOADER_PROTOCOL *ProtocolHandler)
{
EFI_GUID ProtocolGuid = XT_BOOT_LOADER_PROTOCOL_GUID;
PEFI_HANDLE Handles = NULL;
EFI_STATUS Status;
UINT_PTR Count;
UINT Index;
/* Try to locate the handles */
Status = SystemTable->BootServices->LocateHandleBuffer(ByProtocol, &ProtocolGuid, NULL, &Count, &Handles);
if(Status != STATUS_EFI_SUCCESS)
{
/* Unable to get handles */
return Status;
}
/* Check if any handles returned */
if(Count > 0)
{
/* Iterate through all given handles */
for(Index = 0; Index < Count; Index++)
{
/* Try to open protocol */
Status = SystemTable->BootServices->OpenProtocol(Handles[Index], &ProtocolGuid,
(PVOID*)ProtocolHandler, ImageHandle, NULL,
EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
/* Check if successfully opened the loader protocol */
if(Status == STATUS_EFI_SUCCESS)
{
/* Protocol found and successfully opened */
break;
}
}
}
/* Free handles */
SystemTable->BootServices->FreePool(Handles);
/* Make sure the loaded protocol has been found */
if(*ProtocolHandler == NULL)
{
/* Protocol not found */
return STATUS_EFI_NOT_FOUND;
}
/* Return success */
return STATUS_EFI_SUCCESS;
}
/**
* Loads a specified XTLDR module from disk.
*