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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>

Upstream-Status: Submitted [ https://bugzilla.mozilla.org/show_bug.cgi?id=1492378 ]
---
 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