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| author | Edgar E. Iglesias | 2020-08-13 17:41:33 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias | 2020-08-24 10:47:27 +0200 |
| commit | 3f17274491cff2c8bfef74ceeccb037ecbd52705 (patch) | |
| tree | e1a9e16656ecfdc26508a5977b5a13e904b91564 /target/microblaze | |
| parent | target/microblaze: mbar: Move LOG_DIS to before sleep (diff) | |
| download | qemu-3f17274491cff2c8bfef74ceeccb037ecbd52705.tar.gz qemu-3f17274491cff2c8bfef74ceeccb037ecbd52705.tar.xz qemu-3f17274491cff2c8bfef74ceeccb037ecbd52705.zip | |
target/microblaze: mbar: Add support for data-access barriers
Add support for data-access barriers.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target/microblaze')
| -rw-r--r-- | target/microblaze/translate.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index c1be76d4c8..c58f334a0f 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -1233,6 +1233,11 @@ static void dec_br(DisasContext *dc) LOG_DIS("mbar %d\n", mbar_imm); + /* Data access memory barrier. */ + if ((mbar_imm & 2) == 0) { + tcg_gen_mb(TCG_BAR_SC | TCG_MO_ALL); + } + /* mbar IMM & 16 decodes to sleep. */ if (mbar_imm & 16) { TCGv_i32 tmp_hlt = tcg_const_i32(EXCP_HLT); |