new file mode 100644
@@ -0,0 +1,86 @@
+From 6cb5b0be8837222a1e01745f2cf57cd0e593186d Mon Sep 17 00:00:00 2001
+From: Antoine Tenart <antoine.tenart@free-electrons.com>
+Date: Mon, 23 Oct 2017 10:28:20 +0200
+Subject: [PATCH] Add ARC support
+
+[Alexey: Rebased on top of other patches like RiscV, NIOS2 etc].
+
+Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
+Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
+---
+ pr/include/md/_linux.cfg | 45 ++++++++++++++++++++++++++++++++++++++++
+ pr/include/md/_linux.h | 2 ++
+ 2 files changed, 47 insertions(+)
+
+diff --git a/pr/include/md/_linux.cfg b/pr/include/md/_linux.cfg
+index fec8525378dc..5f4fa0eac783 100644
+--- a/pr/include/md/_linux.cfg
++++ b/pr/include/md/_linux.cfg
+@@ -1157,6 +1157,51 @@
+ #define PR_BYTES_PER_WORD_LOG2 3
+ #define PR_BYTES_PER_DWORD_LOG2 3
+
++#elif defined(__arc__)
++
++#define IS_LITTLE_ENDIAN 1
++#undef IS_BIG_ENDIAN
++
++#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 4
++#define PR_ALIGN_OF_FLOAT 4
++#define PR_ALIGN_OF_DOUBLE 4
++#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
+
+ #error "Unknown CPU architecture"
+diff --git a/pr/include/md/_linux.h b/pr/include/md/_linux.h
+index 8e04fad479a1..628b1217e9c8 100644
+--- a/pr/include/md/_linux.h
++++ b/pr/include/md/_linux.h
+@@ -63,6 +63,8 @@
+ #define _PR_SI_ARCHITECTURE "riscv32"
+ #elif defined(__riscv) && (__riscv_xlen == 64)
+ #define _PR_SI_ARCHITECTURE "riscv64"
++#elif defined(__arc__)
++#define _PR_SI_ARCHITECTURE "arc"
+ #else
+ #error "Unknown CPU architecture"
+ #endif
+--
+2.17.1
+
@@ -12,6 +12,7 @@ SRC_URI = "http://ftp.mozilla.org/pub/nspr/releases/v${PV}/src/nspr-${PV}.tar.gz
file://0002-Add-nios2-support.patch \
file://0001-md-Fix-build-with-musl.patch \
file://0003-Add-type-definitions-for-the-RISC-V-architecture.patch \
+ file://0004-Add-ARC-support.patch \
file://nspr.pc.in \
"