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| author | Pranith Kumar <bobby.prani@gmail.com> | 2016-07-14 16:20:19 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-09-16 08:12:11 -0700 |
| commit | 7b4af5ee8a1336bc39714b6de47924ee71fba761 (patch) | |
| tree | a4058c94fdae12adce83ad96f26b95b3e9f2a44d /tcg/ppc | |
| parent | 6f0b99104a396905870edc3049310ece29b6b8d6 (diff) | |
| download | qemu-7b4af5ee8a1336bc39714b6de47924ee71fba761.zip qemu-7b4af5ee8a1336bc39714b6de47924ee71fba761.tar.gz qemu-7b4af5ee8a1336bc39714b6de47924ee71fba761.tar.bz2 | |
tcg/ppc: Add support for fence
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20160714202026.9727-8-bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/ppc')
| -rw-r--r-- | tcg/ppc/tcg-target.inc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index d799690..a3262cf 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -469,6 +469,10 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define STHX XO31(407) #define STWX XO31(151) +#define EIEIO XO31(854) +#define HWSYNC XO31(598) +#define LWSYNC (HWSYNC | (1u << 21)) + #define SPR(a, b) ((((a)<<5)|(b))<<11) #define LR SPR(8, 0) #define CTR SPR(9, 0) @@ -1243,6 +1247,18 @@ static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args, tcg_out_bc(s, BC | BI(7, CR_EQ) | BO_COND_TRUE, arg_label(args[5])); } +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + uint32_t insn = HWSYNC; + a0 &= TCG_MO_ALL; + if (a0 == TCG_MO_LD_LD) { + insn = LWSYNC; + } else if (a0 == TCG_MO_ST_ST) { + insn = EIEIO; + } + tcg_out32(s, insn); +} + #ifdef __powerpc64__ void ppc_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr) { @@ -2453,6 +2469,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, tcg_out32(s, MULHD | TAB(args[0], args[1], args[2])); break; + case INDEX_op_mb: + tcg_out_mb(s, args[0]); + break; + case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ @@ -2600,6 +2620,7 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_qemu_st_i64, { "S", "S", "S", "S" } }, #endif + { INDEX_op_mb, { } }, { -1 }, }; |