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| author | WANG Xuerui <git@xen0n.name> | 2021-12-21 13:40:42 +0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-12-21 13:17:06 -0800 |
| commit | fae2361dc996ad68591ac8871d2c14f3a174ee3c (patch) | |
| tree | b99dc46aec0559308cecf22136680b3795afa6b4 | |
| parent | bf8c1c8140c748a3fcddf2b5367457a34cc82fa9 (diff) | |
| download | focaccia-qemu-fae2361dc996ad68591ac8871d2c14f3a174ee3c.tar.gz focaccia-qemu-fae2361dc996ad68591ac8871d2c14f3a174ee3c.zip | |
tcg/loongarch64: Implement the memory barrier op
Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-9-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/loongarch64/tcg-target.c.inc | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index a88ba9a253..615bed9096 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -234,3 +234,35 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, g_assert_not_reached(); } } + +#include "tcg-insn-defs.c.inc" + +/* + * TCG intrinsics + */ + +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + /* Baseline LoongArch only has the full barrier, unfortunately. */ + tcg_out_opc_dbar(s, 0); +} + +/* + * Entry-points + */ + +static void tcg_out_op(TCGContext *s, TCGOpcode opc, + const TCGArg args[TCG_MAX_OP_ARGS], + const int const_args[TCG_MAX_OP_ARGS]) +{ + TCGArg a0 = args[0]; + + switch (opc) { + case INDEX_op_mb: + tcg_out_mb(s, a0); + break; + + default: + g_assert_not_reached(); + } +} |