2 files changed, 111 insertions, 0 deletions
diff --git a/include/hw/semihosting/console.h b/include/hw/semihosting/console.h
new file mode 100644
index 0000000000..30e66ae20a
--- /dev/null
+++ b/include/hw/semihosting/console.h
@@ -0,0 +1,38 @@
+/*
+ * Semihosting Console
+ *
+ * Copyright (c) 2019 Linaro Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef _SEMIHOST_CONSOLE_H_
+#define _SEMIHOST_CONSOLE_H_
+
+/**
+ * qemu_semihosting_console_out:
+ * @env: CPUArchState
+ * @s: host address of guest string
+ * @len: length of string or 0 (string is null terminated)
+ *
+ * Send a guest string to the debug console. This may be the remote
+ * gdb session if a softmmu guest is currently being debugged.
+ *
+ * Returns: number of bytes written.
+ */
+int qemu_semihosting_console_out(CPUArchState *env, target_ulong s, int len);
+
+/**
+ * qemu_semihosting_log_out:
+ * @s: pointer to string
+ * @len: length of string
+ *
+ * Send a string to the debug output. Unlike console_out these strings
+ * can't be sent to a remote gdb instance as they don't exist in guest
+ * memory.
+ *
+ * Returns: number of bytes written
+ */
+int qemu_semihosting_log_out(const char *s, int len);
+
+#endif /* _SEMIHOST_CONSOLE_H_ */
diff --git a/include/hw/semihosting/semihost.h b/include/hw/semihosting/semihost.h
new file mode 100644
index 0000000000..60fc42d851
--- /dev/null
+++ b/include/hw/semihosting/semihost.h
@@ -0,0 +1,73 @@
+/*
+ * Semihosting support
+ *
+ * Copyright (c) 2015 Imagination Technologies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SEMIHOST_H
+#define SEMIHOST_H
+
+typedef enum SemihostingTarget {
+    SEMIHOSTING_TARGET_AUTO = 0,
+    SEMIHOSTING_TARGET_NATIVE,
+    SEMIHOSTING_TARGET_GDB
+} SemihostingTarget;
+
+#ifdef CONFIG_USER_ONLY
+static inline bool semihosting_enabled(void)
+{
+    return true;
+}
+
+static inline SemihostingTarget semihosting_get_target(void)
+{
+    return SEMIHOSTING_TARGET_AUTO;
+}
+
+static inline const char *semihosting_get_arg(int i)
+{
+    return NULL;
+}
+
+static inline int semihosting_get_argc(void)
+{
+    return 0;
+}
+
+static inline const char *semihosting_get_cmdline(void)
+{
+    return NULL;
+}
+
+static inline Chardev *semihosting_get_chardev(void)
+{
+    return NULL;
+}
+#else /* !CONFIG_USER_ONLY */
+bool semihosting_enabled(void);
+SemihostingTarget semihosting_get_target(void);
+const char *semihosting_get_arg(int i);
+int semihosting_get_argc(void);
+const char *semihosting_get_cmdline(void);
+void semihosting_arg_fallback(const char *file, const char *cmd);
+Chardev *semihosting_get_chardev(void);
+/* for vl.c hooks */
+void qemu_semihosting_enable(void);
+int qemu_semihosting_config_options(const char *opt);
+void qemu_semihosting_connect_chardevs(void);
+#endif /* CONFIG_USER_ONLY */
+
+#endif /* SEMIHOST_H */