From 86c8c58ac33e95fddce47b98e1caf2881620f3fe Mon Sep 17 00:00:00 2001 From: WANG Xuerui Date: Tue, 30 Aug 2022 12:48:42 +0200 Subject: Bug 1730353 - Add support for the LoongArch 64-bit architecture. r=kaie --- pr/include/md/_linux.cfg | 46 ++++++++++++++++++++++++++++++++++++++++++++++ pr/include/md/_linux.h | 14 ++++++++++++++ 2 files changed, 60 insertions(+) diff --git a/pr/include/md/_linux.cfg b/pr/include/md/_linux.cfg index 23b160fd..189a99fb 100644 --- a/pr/include/md/_linux.cfg +++ b/pr/include/md/_linux.cfg @@ -1255,6 +1255,52 @@ #define PR_BYTES_PER_WORD_LOG2 3 #define PR_BYTES_PER_DWORD_LOG2 3 +#elif defined(__loongarch64) + +#undef IS_BIG_ENDIAN +#define IS_LITTLE_ENDIAN 1 +#define IS_64 + +#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 8 +#define PR_BYTES_PER_FLOAT 4 +#define PR_BYTES_PER_DOUBLE 8 +#define PR_BYTES_PER_WORD 8 +#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 64 +#define PR_BITS_PER_FLOAT 32 +#define PR_BITS_PER_DOUBLE 64 +#define PR_BITS_PER_WORD 64 + +#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 6 +#define PR_BITS_PER_FLOAT_LOG2 5 +#define PR_BITS_PER_DOUBLE_LOG2 6 +#define PR_BITS_PER_WORD_LOG2 6 + +#define PR_ALIGN_OF_SHORT 2 +#define PR_ALIGN_OF_INT 4 +#define PR_ALIGN_OF_LONG 8 +#define PR_ALIGN_OF_INT64 8 +#define PR_ALIGN_OF_FLOAT 4 +#define PR_ALIGN_OF_DOUBLE 8 +#define PR_ALIGN_OF_POINTER 8 +#define PR_ALIGN_OF_WORD 8 + +#define PR_BYTES_PER_WORD_LOG2 3 +#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 a26291a8..ad57d083 100644 --- a/pr/include/md/_linux.h +++ b/pr/include/md/_linux.h @@ -73,6 +73,8 @@ #define _PR_SI_ARCHITECTURE "nds32" #elif defined(__xtensa__) #define _PR_SI_ARCHITECTURE "xtensa" +#elif defined(__loongarch64) +#define _PR_SI_ARCHITECTURE "loongarch64" #else #error "Unknown CPU architecture" #endif @@ -141,6 +143,18 @@ extern PRInt32 _PR_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval); #define _MD_ATOMIC_SET _PR_x86_64_AtomicSet #endif +#if defined(__loongarch__) +#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 */ -- cgit v1.2.1