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From 95bda64fb4cf1825fea745e918cfe8202843f0ba Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Sat, 30 Jan 2016 07:18:02 +0100
Subject: [PATCH] Add nios2 support
Add support for the nios2 CPU.
Signed-off-by: Marek Vasut <marex@denx.de>
Upstream-Status: Submitted [ https://bugzilla.mozilla.org/show_bug.cgi?id=1244421 ]
---
nspr/pr/include/md/_linux.cfg | 45 +++++++++++++++++++++++++++++++++++++++++++
nspr/pr/include/md/_linux.h | 14 ++++++++++++++
2 files changed, 59 insertions(+)
Index: nspr/pr/include/md/_linux.cfg
===================================================================
--- nspr.orig/pr/include/md/_linux.cfg
+++ nspr/pr/include/md/_linux.cfg
@@ -975,6 +975,51 @@
#define PR_BYTES_PER_WORD_LOG2 2
#define PR_BYTES_PER_DWORD_LOG2 3
+#elif defined(__nios2__)
+
+#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
+
#elif defined(__or1k__)
#undef IS_LITTLE_ENDIAN
Index: nspr/pr/include/md/_linux.h
===================================================================
--- nspr.orig/pr/include/md/_linux.h
+++ nspr/pr/include/md/_linux.h
@@ -55,6 +55,8 @@
#define _PR_SI_ARCHITECTURE "avr32"
#elif defined(__m32r__)
#define _PR_SI_ARCHITECTURE "m32r"
+#elif defined(__nios2__)
+#define _PR_SI_ARCHITECTURE "nios2"
#elif defined(__or1k__)
#define _PR_SI_ARCHITECTURE "or1k"
#elif defined(__riscv) && (__riscv_xlen == 32)
@@ -129,6 +131,18 @@ extern PRInt32 _PR_x86_64_AtomicSet(PRIn
#define _MD_ATOMIC_SET _PR_x86_64_AtomicSet
#endif
+#if defined(__nios2__)
+#if defined(__GNUC__)
+/* Use GCC built-in functions */
+#define _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
+#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
+#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
+#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
+#endif
+#endif
+
#if defined(__or1k__)
#if defined(__GNUC__)
/* Use GCC built-in functions */
|
