diff options
| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-07-26 13:04:21 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-07-26 13:04:21 -0500 |
| commit | f0ef1cf4d6c996d90df6e4a32a82423d180f3e4d (patch) | |
| tree | ceca64dbd292ac8cddb28752a6d6495d138a6c28 /include/exec | |
| parent | b142d79328cd0a0556634b0eeb891a15bfd5a00c (diff) | |
| parent | f290e4988dd8eb012de0517a1ff93df130e87da1 (diff) | |
Merge remote-tracking branch 'rth/tcg-next' into staging
# By Claudio Fontana (1) and others
# Via Richard Henderson
* rth/tcg-next:
tcg: Remove temp_buf
tcg/aarch64: Implement tlb lookup fast path
tcg/aarch64: implement ldst 12bit scaled uimm offset
Message-id: 1373919944-8521-1-git-send-email-rth@twiddle.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/cpu-defs.h | 2 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 14 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index b5b93db842..a5c028c536 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -154,8 +154,6 @@ typedef struct CPUWatchpoint { memory was accessed */ \ CPU_COMMON_TLB \ struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \ - /* buffer for temporaries in the code generator */ \ - long temp_buf[CPU_TEMP_BUF_NLONGS]; \ \ int64_t icount_extra; /* Instructions until next timer event. */ \ /* Number of cycles left, with interrupt flag in high bit. \ diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index b2162a4ec4..5920f73c90 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -358,6 +358,20 @@ static inline uintptr_t tcg_getpc_ldst(uintptr_t ra) not the start of the next opcode */ return ra; } +#elif defined(__aarch64__) +# define GETRA() ((uintptr_t)__builtin_return_address(0)) +# define GETPC_LDST() tcg_getpc_ldst(GETRA()) +static inline uintptr_t tcg_getpc_ldst(uintptr_t ra) +{ + int32_t b; + ra += 4; /* skip one instruction */ + b = *(int32_t *)ra; /* load the branch insn */ + b = (b << 6) >> (6 - 2); /* extract the displacement */ + ra += b; /* apply the displacement */ + ra -= 4; /* return a pointer into the current opcode, + not the start of the next opcode */ + return ra; +} # else # error "CONFIG_QEMU_LDST_OPTIMIZATION needs GETPC_LDST() implementation!" # endif |