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-rw-r--r--include/asm-mips/prctl.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-mips/prctl.h b/include/asm-mips/prctl.h
new file mode 100644
index 000000000000..4aaaff670361
--- /dev/null
+++ b/include/asm-mips/prctl.h
@@ -0,0 +1,41 @@
+/*
+ * IRIX prctl interface
+ *
+ * The IRIX kernel maps a page at PRDA_ADDRESS with the
+ * contents of prda and fills it the bits on prda_sys.
+ */
+
+#ifndef __PRCTL_H__
+#define __PRCTL_H__
+
+#define PRDA_ADDRESS 0x200000L
+#define PRDA ((struct prda *) PRDA_ADDRESS)
+
+struct prda_sys {
+ pid_t t_pid;
+ u32 t_hint;
+ u32 t_dlactseq;
+ u32 t_fpflags;
+ u32 t_prid; /* processor type, $prid CP0 register */
+ u32 t_dlendseq;
+ u64 t_unused1[5];
+ pid_t t_rpid;
+ s32 t_resched;
+ u32 t_unused[8];
+ u32 t_cpu; /* current/last cpu */
+
+ /* FIXME: The signal information, not supported by Linux now */
+ u32 t_flags; /* if true, then the sigprocmask is in userspace */
+ u32 t_sigprocmask [1]; /* the sigprocmask */
+};
+
+struct prda {
+ char fill [0xe00];
+ struct prda_sys prda_sys;
+};
+
+#define t_sys prda_sys
+
+ptrdiff_t prctl (int op, int v1, int v2);
+
+#endif