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-rw-r--r--arch/sparc/include/uapi/asm/uctx.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/sparc/include/uapi/asm/uctx.h b/arch/sparc/include/uapi/asm/uctx.h
new file mode 100644
index 000000000..13a13198e
--- /dev/null
+++ b/arch/sparc/include/uapi/asm/uctx.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * uctx.h: Sparc64 {set,get}context() register state layouts.
+ *
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef __SPARC64_UCTX_H
+#define __SPARC64_UCTX_H
+
+#define MC_TSTATE 0
+#define MC_PC 1
+#define MC_NPC 2
+#define MC_Y 3
+#define MC_G1 4
+#define MC_G2 5
+#define MC_G3 6
+#define MC_G4 7
+#define MC_G5 8
+#define MC_G6 9
+#define MC_G7 10
+#define MC_O0 11
+#define MC_O1 12
+#define MC_O2 13
+#define MC_O3 14
+#define MC_O4 15
+#define MC_O5 16
+#define MC_O6 17
+#define MC_O7 18
+#define MC_NGREG 19
+
+typedef unsigned long mc_greg_t;
+typedef mc_greg_t mc_gregset_t[MC_NGREG];
+
+#define MC_MAXFPQ 16
+struct mc_fq {
+ unsigned long *mcfq_addr;
+ unsigned int mcfq_insn;
+};
+
+struct mc_fpu {
+ union {
+ unsigned int sregs[32];
+ unsigned long dregs[32];
+ long double qregs[16];
+ } mcfpu_fregs;
+ unsigned long mcfpu_fsr;
+ unsigned long mcfpu_fprs;
+ unsigned long mcfpu_gsr;
+ struct mc_fq *mcfpu_fq;
+ unsigned char mcfpu_qcnt;
+ unsigned char mcfpu_qentsz;
+ unsigned char mcfpu_enab;
+};
+typedef struct mc_fpu mc_fpu_t;
+
+typedef struct {
+ mc_gregset_t mc_gregs;
+ mc_greg_t mc_fp;
+ mc_greg_t mc_i7;
+ mc_fpu_t mc_fpregs;
+} mcontext_t;
+
+struct ucontext {
+ struct ucontext *uc_link;
+ unsigned long uc_flags;
+ sigset_t uc_sigmask;
+ mcontext_t uc_mcontext;
+};
+typedef struct ucontext ucontext_t;
+
+#endif /* __SPARC64_UCTX_H */