| 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 */ |