target-or32: Add linux syscall, signal and termbits

Add OpenRISC linux syscall, signal and termbits.

Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/linux-user/openrisc/syscall.h b/linux-user/openrisc/syscall.h
new file mode 100644
index 0000000000..bdbb577fc3
--- /dev/null
+++ b/linux-user/openrisc/syscall.h
@@ -0,0 +1,24 @@
+struct target_pt_regs {
+    union {
+        struct {
+            /* Named registers */
+            uint32_t sr;       /* Stored in place of r0 */
+            target_ulong sp;   /* r1 */
+        };
+        struct {
+            /* Old style */
+            target_ulong offset[2];
+            target_ulong gprs[30];
+        };
+        struct {
+            /* New style */
+            target_ulong gpr[32];
+        };
+    };
+    target_ulong pc;
+    target_ulong orig_gpr11;   /* For restarting system calls */
+    uint32_t syscallno;        /* Syscall number (used by strace) */
+    target_ulong dummy;     /* Cheap alignment fix */
+};
+
+#define UNAME_MACHINE "openrisc"