Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

riscv64: implement memory barriers

Browse Source 
Change-Id: Ied9e6dad38968cee6e828dff6ec413e6281086cd
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6436
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
X512 2023-05-11 05:39:14 +09:00 committed by waddlesplash
parent 88306be95c
commit 6550124ea0
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
headers/private/kernel/arch/riscv64/arch_atomic.h
View File

@ -12,23 +12,21 @@
static inline void static inline void
memory_read_barrier_inline(void) memory_read_barrier_inline(void)
{ {
// TODO: investigate reparate read/write barriers asm volatile("fence ir, ir" : : : "memory");
__sync_synchronize();
} }
static inline void static inline void
memory_write_barrier_inline(void) memory_write_barrier_inline(void)
{ {
// TODO: investigate reparate read/write barriers asm volatile("fence ow, ow" : : : "memory");
__sync_synchronize();
} }
static inline void static inline void
memory_full_barrier_inline(void) memory_full_barrier_inline(void)
{ {
__sync_synchronize(); asm volatile("fence iorw, iorw" : : : "memory");
} }