From a10c64e0df3acbefdee1b2b837f76f05b0231aae Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 14 May 2014 17:14:51 -0400 Subject: tcg-s390: Implement direct chaining of TBs Signed-off-by: Richard Henderson --- include/exec/exec-all.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/exec') diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 444b4d9..8bc2eb6 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 -- cgit v1.1