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-rw-r--r--tests/multiboot/libc.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/multiboot/libc.h b/tests/multiboot/libc.h
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+/*
+ * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef LIBC_H
+#define LIBC_H
+
+/* Integer types */
+
+typedef unsigned long long uint64_t;
+typedef unsigned int uint32_t;
+typedef unsigned short uint16_t;
+typedef unsigned char uint8_t;
+
+typedef signed long long int64_t;
+typedef signed int int32_t;
+typedef signed short int16_t;
+typedef signed char int8_t;
+
+typedef uint32_t uintptr_t;
+
+
+/* stdarg.h */
+
+typedef __builtin_va_list va_list;
+#define va_start(ap, X) __builtin_va_start(ap, X)
+#define va_arg(ap, type) __builtin_va_arg(ap, type)
+#define va_end(ap) __builtin_va_end(ap)
+
+
+/* Port I/O functions */
+
+static inline void outb(uint16_t port, uint8_t data)
+{
+ asm volatile ("outb %0, %1" : : "a" (data), "Nd" (port));
+}
+
+
+/* Misc functions */
+
+void printf(const char *fmt, ...);
+
+#endif