From 95bda64fb4cf1825fea745e918cfe8202843f0ba Mon Sep 17 00:00:00 2001 From: Marek Vasut 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 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 */