Preliminary BSD user emulator support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5544 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 37 insertions, 0 deletions

diff --git a/bsd-user/sparc64/syscall.h b/bsd-user/sparc64/syscall.h
new file mode 100644
index 000000000..81a816de9
--- /dev/null
+++ b/bsd-user/sparc64/syscall.h
@@ -0,0 +1,10 @@
+struct target_pt_regs {
+	abi_ulong u_regs[16];
+	abi_ulong tstate;
+	abi_ulong pc;
+	abi_ulong npc;
+	abi_ulong y;
+	abi_ulong fprs;
+};
+
+#define UNAME_MACHINE "sun4u"
diff --git a/bsd-user/sparc64/target_signal.h b/bsd-user/sparc64/target_signal.h
new file mode 100644
index 000000000..5b2abba40
--- /dev/null
+++ b/bsd-user/sparc64/target_signal.h
@@ -0,0 +1,27 @@
+#ifndef TARGET_SIGNAL_H
+#define TARGET_SIGNAL_H
+
+#include "cpu.h"
+
+/* this struct defines a stack used during syscall handling */
+
+typedef struct target_sigaltstack {
+	abi_ulong ss_sp;
+	abi_long ss_flags;
+	abi_ulong ss_size;
+} target_stack_t;
+
+
+#ifndef UREG_I6
+#define UREG_I6        6
+#endif
+#ifndef UREG_FP
+#define UREG_FP        UREG_I6
+#endif
+
+static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
+{
+    return state->regwptr[UREG_FP];
+}
+
+#endif /* TARGET_SIGNAL_H */