git: 95f4e7f5e283 - main - LoongArch: sys/contrib/edk2: add support

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=95f4e7f5e2833bf9e48ad8134258abb9a349157c

commit 95f4e7f5e2833bf9e48ad8134258abb9a349157c
Author:     yu shan wei <mpysw@vip.163.com>
AuthorDate: 2025-03-30 23:55:47 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2025-04-22 18:19:39 +0000

    LoongArch: sys/contrib/edk2: add support
    
    copy from upstream:
    https://github.com/tianocore/edk2/tree/edk2-stable202408
    
    commit: https://github.com/tianocore/edk2/commit/cd24eb578bb77e6a55d37c2e9afef4a6814a82ac
    Reviewed by: imp
    Pull Request: https://github.com/freebsd/freebsd-src/pull/1624
---
 sys/contrib/edk2/Include/Library/BaseLib.h   | 23 +++++++++++++++++++++++
 sys/contrib/edk2/Include/Uefi/UefiBaseType.h | 14 ++++++++++++++
 sys/contrib/edk2/Include/Uefi/UefiSpec.h     |  5 ++++-
 3 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/sys/contrib/edk2/Include/Library/BaseLib.h b/sys/contrib/edk2/Include/Library/BaseLib.h
index 762cb9ac3abb..ac347f0adc2d 100644
--- a/sys/contrib/edk2/Include/Library/BaseLib.h
+++ b/sys/contrib/edk2/Include/Library/BaseLib.h
@@ -152,6 +152,29 @@ typedef struct {
 
 #endif // defined (MDE_CPU_RISCV64)
 
+#if defined (MDE_CPU_LOONGARCH64)
+///
+/// The LoongArch architecture context buffer used by SetJump() and LongJump()
+///
+typedef struct {
+  UINT64    S0;
+  UINT64    S1;
+  UINT64    S2;
+  UINT64    S3;
+  UINT64    S4;
+  UINT64    S5;
+  UINT64    S6;
+  UINT64    S7;
+  UINT64    S8;
+  UINT64    SP;
+  UINT64    FP;
+  UINT64    RA;
+} BASE_LIBRARY_JUMP_BUFFER;
+
+#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT  8
+
+#endif // defined (MDE_CPU_LOONGARCH64)
+
 //
 // String Services
 //
diff --git a/sys/contrib/edk2/Include/Uefi/UefiBaseType.h b/sys/contrib/edk2/Include/Uefi/UefiBaseType.h
index 6a2f33039377..6637a28ea6d9 100644
--- a/sys/contrib/edk2/Include/Uefi/UefiBaseType.h
+++ b/sys/contrib/edk2/Include/Uefi/UefiBaseType.h
@@ -248,6 +248,13 @@ typedef union {
 #define EFI_IMAGE_MACHINE_RISCV64   0x5064
 #define EFI_IMAGE_MACHINE_RISCV128  0x5128
 
+///
+/// PE32+ Machine type for LoongArch 32/64 images.
+///
+#define EFI_IMAGE_MACHINE_LOONGARCH32  0x6232
+#define EFI_IMAGE_MACHINE_LOONGARCH64  0x6264
+
+
 #if   defined (MDE_CPU_IA32)
 
 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
@@ -281,6 +288,13 @@ typedef union {
 
 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
 
+  #elif defined (MDE_CPU_LOONGARCH64)
+
+#define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
+    ((Machine) == EFI_IMAGE_MACHINE_LOONGARCH64)
+
+#define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
+
 #elif defined (MDE_CPU_EBC)
 
 ///
diff --git a/sys/contrib/edk2/Include/Uefi/UefiSpec.h b/sys/contrib/edk2/Include/Uefi/UefiSpec.h
index 0e165478d6c3..051834460512 100644
--- a/sys/contrib/edk2/Include/Uefi/UefiSpec.h
+++ b/sys/contrib/edk2/Include/Uefi/UefiSpec.h
@@ -2203,6 +2203,7 @@ typedef struct {
 #define EFI_REMOVABLE_MEDIA_FILE_NAME_ARM     L"\\EFI\\BOOT\\BOOTARM.EFI"
 #define EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64 L"\\EFI\\BOOT\\BOOTAA64.EFI"
 #define EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64 L"\\EFI\\BOOT\\BOOTRISCV64.EFI"
+#define EFI_REMOVABLE_MEDIA_FILE_NAME_LOONGARCH64  L"\\EFI\\BOOT\\BOOTLOONGARCH64.EFI"
 
 #if   defined (MDE_CPU_IA32)
   #define EFI_REMOVABLE_MEDIA_FILE_NAME   EFI_REMOVABLE_MEDIA_FILE_NAME_IA32
@@ -2215,7 +2216,9 @@ typedef struct {
   #define EFI_REMOVABLE_MEDIA_FILE_NAME   EFI_REMOVABLE_MEDIA_FILE_NAME_AARCH64
 #elif defined (MDE_CPU_RISCV64)
   #define EFI_REMOVABLE_MEDIA_FILE_NAME   EFI_REMOVABLE_MEDIA_FILE_NAME_RISCV64
-#else
+  #elif defined (MDE_CPU_LOONGARCH64)
+#define EFI_REMOVABLE_MEDIA_FILE_NAME  EFI_REMOVABLE_MEDIA_FILE_NAME_LOONGARCH64
+  #else
   #error Unknown Processor Type
 #endif