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| author | Richard Henderson | 2014-05-14 23:14:51 +0200 |
|---|---|---|
| committer | Richard Henderson | 2014-05-15 18:22:32 +0200 |
| commit | a10c64e0df3acbefdee1b2b837f76f05b0231aae (patch) | |
| tree | 70457e5526c7d69abcd52ff6873d1c47bf666df8 /include/exec | |
| parent | tcg-s390: Don't force -march=z990 (diff) | |
| download | qemu-a10c64e0df3acbefdee1b2b837f76f05b0231aae.tar.gz qemu-a10c64e0df3acbefdee1b2b837f76f05b0231aae.tar.xz qemu-a10c64e0df3acbefdee1b2b837f76f05b0231aae.zip | |
tcg-s390: Implement direct chaining of TBs
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/exec-all.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 444b4d9a1d..8bc2eb663e 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -131,6 +131,7 @@ static inline void tlb_flush(CPUState *cpu, int flush_global) #if defined(__arm__) || defined(_ARCH_PPC) \ || defined(__x86_64__) || defined(__i386__) \ || defined(__sparc__) || defined(__aarch64__) \ + || defined(__s390x__) \ || defined(CONFIG_TCG_INTERPRETER) #define USE_DIRECT_JUMP #endif @@ -232,6 +233,14 @@ static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) stl_le_p((void*)jmp_addr, addr - (jmp_addr + 4)); /* no need to flush icache explicitly */ } +#elif defined(__s390x__) +static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr) +{ + /* patch the branch destination */ + intptr_t disp = addr - (jmp_addr - 2); + stl_be_p((void*)jmp_addr, disp / 2); + /* no need to flush icache explicitly */ +} #elif defined(__aarch64__) void aarch64_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr); #define tb_set_jmp_target1 aarch64_tb_set_jmp_target |