From af1dbe8db9deccd15a5dab27baab31da5b9c12d6 Mon Sep 17 00:00:00 2001
From: ownedbywuigi <ownedbywuigi@gmail.com>
Date: Thu, 23 Apr 2026 07:44:53 +0100
Subject: [PATCH] Add support for Loongarch architecture in Linux configuration
 files

---
 nsprpub/pr/include/md/_linux.cfg | 91 ++++++++++++++++++++++++++++++++
 nsprpub/pr/include/md/_linux.h   |  7 ++-
 2 files changed, 97 insertions(+), 1 deletion(-)

diff --git a/nsprpub/pr/include/md/_linux.cfg b/nsprpub/pr/include/md/_linux.cfg
index b0e67c1373..5f55e58223 100644
--- a/nsprpub/pr/include/md/_linux.cfg
+++ b/nsprpub/pr/include/md/_linux.cfg
@@ -1112,6 +1112,97 @@
 #define PR_BYTES_PER_WORD_LOG2  3
 #define PR_BYTES_PER_DWORD_LOG2 3
 
+#elif defined(__loongarch__)
+
+#undef  IS_BIG_ENDIAN
+#define IS_LITTLE_ENDIAN 1
+
+#if defined(__loongarch_grlen) && (__loongarch_grlen == 32)
+#undef  IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   4
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   4
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    32
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    32
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   5
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   5
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    4
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 4
+#define PR_ALIGN_OF_WORD    4
+
+#define PR_BYTES_PER_WORD_LOG2  2
+#define PR_BYTES_PER_DWORD_LOG2 3
+#else
+#define IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   8
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   8
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    64
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   6
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    8
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD    8
+
+#define PR_BYTES_PER_WORD_LOG2  3
+#define PR_BYTES_PER_DWORD_LOG2 3
+#endif
+
 #elif defined(__arc__)
 
 #define IS_LITTLE_ENDIAN 1
diff --git a/nsprpub/pr/include/md/_linux.h b/nsprpub/pr/include/md/_linux.h
index 3226a04b38..7db6be49d4 100644
--- a/nsprpub/pr/include/md/_linux.h
+++ b/nsprpub/pr/include/md/_linux.h
@@ -63,6 +63,11 @@
 #define _PR_SI_ARCHITECTURE "riscv32"
 #elif defined(__riscv) && (__riscv_xlen == 64)
 #define _PR_SI_ARCHITECTURE "riscv64"
+#elif defined(__loongarch__) && defined(__loongarch_grlen) \
+    && (__loongarch_grlen == 32)
+#define _PR_SI_ARCHITECTURE "loongarch32"
+#elif defined(__loongarch__)
+#define _PR_SI_ARCHITECTURE "loongarch64"
 #elif defined(__arc__)
 #define _PR_SI_ARCHITECTURE "arc"
 #elif defined(__nios2__)
@@ -81,7 +86,7 @@
 #define _MD_DEFAULT_STACK_SIZE  65536L
 #define _MD_MMAP_FLAGS          MAP_PRIVATE
 
-#if defined(__aarch64__) || defined(__mips__)
+#if defined(__aarch64__) || defined(__mips__) || defined(__loongarch__)
 #define _MD_MINIMUM_STACK_SIZE  0x20000
 #endif