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[09/18] bsd-user: Implement RISC-V sysarch system call emulation

Message ID 20240802083423.142365-10-itachis@FreeBSD.org
State New
Headers show
Series bsd-user: Comprehensive RISCV support | expand

Commit Message

Ajeet Singh Aug. 2, 2024, 8:34 a.m. UTC 
From: Mark Corbin <mark.corbin@embecsom.com>

Added the 'do_freebsd_arch_sysarch' function to emulate the 'sysarch'
system call for the RISC-V architecture.
Currently, this function returns '-TARGET_EOPNOTSUPP' to indicate that
the operation is not supported.

Signed-off-by: Mark Corbin <mark.corbin@embecsom.com>
Signed-off-by: Ajeet Singh <itachis@FreeBSD.org>
---
 bsd-user/riscv/target_arch_sysarch.h | 41 ++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 bsd-user/riscv/target_arch_sysarch.h

Comments

Richard Henderson Aug. 2, 2024, 1:27 p.m. UTC | #1 
On 8/2/24 18:34, Ajeet Singh wrote:
> From: Mark Corbin <mark.corbin@embecsom.com>
> 
> Added the 'do_freebsd_arch_sysarch' function to emulate the 'sysarch'
> system call for the RISC-V architecture.
> Currently, this function returns '-TARGET_EOPNOTSUPP' to indicate that
> the operation is not supported.
> 
> Signed-off-by: Mark Corbin <mark.corbin@embecsom.com>
> Signed-off-by: Ajeet Singh <itachis@FreeBSD.org>
> ---
>   bsd-user/riscv/target_arch_sysarch.h | 41 ++++++++++++++++++++++++++++
>   1 file changed, 41 insertions(+)
>   create mode 100644 bsd-user/riscv/target_arch_sysarch.h

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

r~
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Patch

diff --git a/bsd-user/riscv/target_arch_sysarch.h b/bsd-user/riscv/target_arch_sysarch.h
new file mode 100644
index 0000000000..9af42331b4
--- /dev/null
+++ b/bsd-user/riscv/target_arch_sysarch.h
@@ -0,0 +1,41 @@ 
+/*
+ *  RISC-V sysarch() system call emulation
+ *
+ *  Copyright (c) 2019 Mark Corbin
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; 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"
+
+static inline abi_long do_freebsd_arch_sysarch(CPURISCVState *env, int op,
+        abi_ulong parms)
+{
+
+    return -TARGET_EOPNOTSUPP;
+}
+
+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)
+{
+
+    gemu_log("UNKNOWN OP: %d, " TARGET_ABI_FMT_lx ")", (int)arg1, arg2);
+}
+
+#endif /* TARGET_ARCH_SYSARCH_H */