From: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
To: qemu-devel@nongnu.org
Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com,
bin.meng@windriver.com, liwei1518@gmail.com,
dbarboza@ventanamicro.com, qemu-riscv@nongnu.org,
christoph.muellner@vrull.eu,
LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Subject: [PATCH] target/riscv: Enable xtheadsync under user mode
Date: Sun, 4 Feb 2024 13:52:28 +0800 [thread overview]
Message-ID: <20240204055228.900-1-zhiwei_liu@linux.alibaba.com> (raw)
According to xtheadsync[1][2] documentation, it can be used in user mode and
the behavior is same with other priviledges.
[1]:https://github.com/T-head-Semi/thead-extension-spec/blob/master/xtheadsync/sync.adoc
[2]:https://github.com/T-head-Semi/thead-extension-spec/blob/master/xtheadsync/sync_i.adoc
Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
---
target/riscv/insn_trans/trans_xthead.c.inc | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/target/riscv/insn_trans/trans_xthead.c.inc b/target/riscv/insn_trans/trans_xthead.c.inc
index dbb6411239..22488412d4 100644
--- a/target/riscv/insn_trans/trans_xthead.c.inc
+++ b/target/riscv/insn_trans/trans_xthead.c.inc
@@ -992,7 +992,6 @@ static bool trans_th_sfence_vmas(DisasContext *ctx, arg_th_sfence_vmas *a)
#endif
}
-#ifndef CONFIG_USER_ONLY
static void gen_th_sync_local(DisasContext *ctx)
{
/*
@@ -1003,14 +1002,12 @@ static void gen_th_sync_local(DisasContext *ctx)
tcg_gen_exit_tb(NULL, 0);
ctx->base.is_jmp = DISAS_NORETURN;
}
-#endif
static bool trans_th_sync(DisasContext *ctx, arg_th_sync *a)
{
(void) a;
REQUIRE_XTHEADSYNC(ctx);
-#ifndef CONFIG_USER_ONLY
REQUIRE_PRIV_MSU(ctx);
/*
@@ -1019,9 +1016,6 @@ static bool trans_th_sync(DisasContext *ctx, arg_th_sync *a)
gen_th_sync_local(ctx);
return true;
-#else
- return false;
-#endif
}
static bool trans_th_sync_i(DisasContext *ctx, arg_th_sync_i *a)
@@ -1029,7 +1023,6 @@ static bool trans_th_sync_i(DisasContext *ctx, arg_th_sync_i *a)
(void) a;
REQUIRE_XTHEADSYNC(ctx);
-#ifndef CONFIG_USER_ONLY
REQUIRE_PRIV_MSU(ctx);
/*
@@ -1038,9 +1031,6 @@ static bool trans_th_sync_i(DisasContext *ctx, arg_th_sync_i *a)
gen_th_sync_local(ctx);
return true;
-#else
- return false;
-#endif
}
static bool trans_th_sync_is(DisasContext *ctx, arg_th_sync_is *a)
--
2.25.1
next reply other threads:[~2024-02-04 5:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-04 5:52 LIU Zhiwei [this message]
2024-02-05 6:17 ` [PATCH] target/riscv: Enable xtheadsync under user mode Alistair Francis
2024-02-05 6:28 ` Alistair Francis
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