From b9be454010ad261cebc336ce6a1a2e8ba418a686 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Sat, 28 Jan 2023 19:09:46 +0000
Subject: [la64] Import LoongArch64 ProcessorBind.h from EDK2 headers

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/efi/LoongArch64/ProcessorBind.h | 122 +++++++++++++++++++++++
 src/include/ipxe/efi/ProcessorBind.h             |   4 +
 src/include/ipxe/efi/import.pl                   |   4 +-
 3 files changed, 128 insertions(+), 2 deletions(-)
 create mode 100644 src/include/ipxe/efi/LoongArch64/ProcessorBind.h

diff --git a/src/include/ipxe/efi/LoongArch64/ProcessorBind.h b/src/include/ipxe/efi/LoongArch64/ProcessorBind.h
new file mode 100644
index 0000000..1f787a8
--- /dev/null
+++ b/src/include/ipxe/efi/LoongArch64/ProcessorBind.h
@@ -0,0 +1,122 @@
+/** @file
+  Processor or Compiler specific defines and types for LoongArch
+
+  Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PROCESSOR_BIND_H_
+#define PROCESSOR_BIND_H_
+
+FILE_LICENCE ( BSD2_PATENT );
+
+//
+// Define the processor type so other code can make processor based choices
+//
+#define MDE_CPU_LOONGARCH64
+
+#define EFIAPI
+
+//
+// Make sure we are using the correct packing rules per EFI specification
+//
+#ifndef __GNUC__
+  #pragma pack()
+#endif
+
+//
+// Assume standard LoongArch 64-bit alignment.
+// Need to check portability of long long
+//
+typedef unsigned long   UINT64;
+typedef long            INT64;
+typedef unsigned int    UINT32;
+typedef int             INT32;
+typedef unsigned short  UINT16;
+typedef unsigned short  CHAR16;
+typedef short           INT16;
+typedef unsigned char   BOOLEAN;
+typedef unsigned char   UINT8;
+typedef char            CHAR8;
+typedef char            INT8;
+
+//
+// Unsigned value of native width.  (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+
+typedef UINT64 UINTN;
+
+//
+// Signed value of native width.  (4 bytes on supported 32-bit processor instructions,
+// 8 bytes on supported 64-bit processor instructions)
+//
+typedef INT64 INTN;
+
+//
+// Processor specific defines
+//
+
+//
+// A value of native width with the highest bit set.
+//
+#define MAX_BIT  0x8000000000000000ULL
+//
+// A value of native width with the two highest bits set.
+//
+#define MAX_2_BITS  0xC000000000000000ULL
+
+//
+// Maximum legal LoongArch 64-bit address
+//
+#define MAX_ADDRESS  0xFFFFFFFFFFFFFFFFULL
+
+//
+// Maximum usable address at boot time (48 bits using 4KB pages)
+//
+#define MAX_ALLOC_ADDRESS  0xFFFFFFFFFFFFULL
+
+//
+// Maximum legal LoongArch  64-bit INTN and UINTN values.
+//
+#define MAX_INTN   ((INTN)0x7FFFFFFFFFFFFFFFULL)
+#define MAX_UINTN  ((UINTN)0xFFFFFFFFFFFFFFFFULL)
+
+//
+// Page allocation granularity for LoongArch
+//
+#define DEFAULT_PAGE_ALLOCATION_GRANULARITY  (0x1000)
+#define RUNTIME_PAGE_ALLOCATION_GRANULARITY  (0x10000)
+
+#if defined (__GNUC__)
+//
+// For GNU assembly code, .global or .globl can declare global symbols.
+// Define this macro to unify the usage.
+//
+#define ASM_GLOBAL  .globl
+#endif
+
+//
+// The stack alignment required for LoongArch
+//
+#define CPU_STACK_ALIGNMENT  16
+
+/**
+  Return the pointer to the first instruction of a function given a function pointer.
+  On LOONGARCH CPU architectures, these two pointer values are the same,
+  so the implementation of this macro is very simple.
+
+  @param  FunctionPointer   A pointer to a function.
+
+  @return The pointer to the first instruction of a function given a function pointer.
+
+**/
+#define FUNCTION_ENTRY_POINT(FunctionPointer)  (VOID *)(UINTN)(FunctionPointer)
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__
+#endif
+
+#endif
diff --git a/src/include/ipxe/efi/ProcessorBind.h b/src/include/ipxe/efi/ProcessorBind.h
index 8cc04e1..dbccf34 100644
--- a/src/include/ipxe/efi/ProcessorBind.h
+++ b/src/include/ipxe/efi/ProcessorBind.h
@@ -61,6 +61,10 @@ typedef uint8_t BOOLEAN;
 #include <ipxe/efi/AArch64/ProcessorBind.h>
 #endif
 
+#ifdef __loongarch__
+#include <ipxe/efi/LoongArch64/ProcessorBind.h>
+#endif
+
 #endif /* EFI_HOSTONLY */
 
 #endif /* _IPXE_EFI_PROCESSOR_BIND_H */
diff --git a/src/include/ipxe/efi/import.pl b/src/include/ipxe/efi/import.pl
index cbc3205..34aed9a 100755
--- a/src/include/ipxe/efi/import.pl
+++ b/src/include/ipxe/efi/import.pl
@@ -79,13 +79,13 @@ sub try_import_file {
 	print $outfh "$_\n";
 	# Apply FILE_LICENCE() immediately after include guard
 	if ( defined $maybe_guard && ! defined $guard ) {
-	  if ( /^\#define\s+_?_${maybe_guard}_?_$/ ) {
+	  if ( /^\#define\s+${maybe_guard}$/ ) {
 	    $guard = $maybe_guard;
 	    print $outfh "\nFILE_LICENCE ( $licence );\n" if $licence;
 	  }
 	  undef $maybe_guard;
 	}
-	if ( /^#ifndef\s+_?_(\S+)_?_/ ) {
+	if ( /^#ifndef\s+(_?_?\S+_?_)/ ) {
 	  $maybe_guard = $1;
 	}
       }
-- 
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