yuzu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn.git synced 2025-01-11 04:05:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

tcg/mips: Make direct jump patching thread-safe

Browse source 
Ensure direct jump patching in MIPS is atomic by using
atomic_read()/atomic_set() for code patching.

Backports commit c82460a560176ef69c2f0662bd280612e274db96 from qemu
This commit is contained in:
Sergey Fedorov 2018-02-23 20:42:21 -05:00 committed by Lioncash
parent 7538001da9
commit 87c3382dc8
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
qemu/tcg/mips/tcg-target.inc.c
View file

@ -1886,7 +1886,6 @@ static void tcg_target_init(TCGContext *s)
void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr)
{
uint32_t *ptr = (uint32_t *)jmp_addr;
*ptr = deposit32(*ptr, 0, 26, addr >> 2);
atomic_set((uint32_t *)jmp_addr, deposit32(OPC_J, 0, 26, addr >> 2));
flush_icache_range(jmp_addr, jmp_addr + 4);
}