Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 53 insertions, 0 deletions

diff --git a/bsd-user/mips64/target_syscall.h b/bsd-user/mips64/target_syscall.h
new file mode 100644
index 000000000..bf4c598b1
--- /dev/null
+++ b/bsd-user/mips64/target_syscall.h
@@ -0,0 +1,53 @@
+/*
+ *  mips64 system call definitions
+ *
+ *
+ *  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 _MIPS64_SYSCALL_H_
+#define _MIPS64_SYSCALL_H_
+
+/*
+ * struct target_pt_regs defines the way the registers are stored on the stack
+ * during a system call.
+ */
+
+struct target_pt_regs {
+    /* Saved main processor registers. */
+    abi_ulong regs[32];
+
+    /* Saved special registers. */
+    abi_ulong cp0_status;
+    abi_ulong lo;
+    abi_ulong hi;
+    abi_ulong cp0_badvaddr;
+    abi_ulong cp0_cause;
+    abi_ulong cp0_epc;
+};
+
+
+#if defined(TARGET_WORDS_BIGENDIAN)
+#define UNAME_MACHINE "mips64"
+#else
+#define UNAME_MACHINE "mips64el"
+#endif
+
+#define TARGET_HW_MACHINE       "mips"
+#define TARGET_HW_MACHINE_ARCH  UNAME_MACHINE
+
+/* sysarch() commands */
+#define TARGET_MIPS_SET_TLS     1
+#define TARGET_MIPS_GET_TLS     2
+
+#endif /* !_MIPS64_SYSCALL_H_ */