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[08/23] Add Aarch64 sysarch() system call emulation for BSD-USER

Message ID 20240617185804.25075-9-itachis@FreeBSD.org
State New
Headers show
Series ARM AArch64 Support for BSD | expand

Commit Message

Ajeet Singh June 17, 2024, 6:57 p.m. UTC 
From: Stacey Son <sson@FreeBSD.org>

Initial implementation of sysarch() syscall and a printing function

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Ajeet Singh <itachis@FreeBSD.org>
---
 bsd-user/aarch64/target_arch_sysarch.h | 42 ++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 bsd-user/aarch64/target_arch_sysarch.h

Comments

Richard Henderson June 18, 2024, 4:39 a.m. UTC | #1 
On 6/17/24 11:57, Ajeet Singh wrote:
> From: Stacey Son<sson@FreeBSD.org>
> 
> Initial implementation of sysarch() syscall and a printing function
> 
> Signed-off-by: Stacey Son<sson@FreeBSD.org>
> Signed-off-by: Ajeet Singh<itachis@FreeBSD.org>
> ---
>   bsd-user/aarch64/target_arch_sysarch.h | 42 ++++++++++++++++++++++++++
>   1 file changed, 42 insertions(+)
>   create mode 100644 bsd-user/aarch64/target_arch_sysarch.h

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
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Patch

diff --git a/bsd-user/aarch64/target_arch_sysarch.h b/bsd-user/aarch64/target_arch_sysarch.h
new file mode 100644
index 0000000000..b003015daf
--- /dev/null
+++ b/bsd-user/aarch64/target_arch_sysarch.h
@@ -0,0 +1,42 @@ 
+/*
+ * ARM AArch64 sysarch() system call emulation for bsd-user.
+ *
+ * Copyright (c) 2015 <sson at FreeBSD>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TARGET_ARCH_SYSARCH_H
+#define TARGET_ARCH_SYSARCH_H
+
+#include "target_syscall.h"
+#include "target_arch.h"
+
+/* See sysarch() in sys/arm64/arm64/sys_machdep.c */
+static inline abi_long do_freebsd_arch_sysarch(CPUARMState *env, int op,
+        abi_ulong parms)
+{
+    int ret = -TARGET_EOPNOTSUPP;
+
+    fprintf(stderr, "sysarch");
+    return ret;
+}
+
+static inline void do_freebsd_arch_print_sysarch(
+        const struct syscallname *name, abi_long arg1, abi_long arg2,
+        abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6)
+{
+}
+
+#endif /* TARGET_ARCH_SYSARCH_H */