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-rw-r--r--include/grub/mips/io.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/include/grub/mips/io.h b/include/grub/mips/io.h
new file mode 100644
index 0000000..dee76bd
--- /dev/null
+++ b/include/grub/mips/io.h
@@ -0,0 +1,62 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_IO_H
+#define GRUB_IO_H 1
+
+#include <grub/types.h>
+
+typedef grub_addr_t grub_port_t;
+
+static __inline unsigned char
+grub_inb (grub_port_t port)
+{
+ return *(volatile grub_uint8_t *) port;
+}
+
+static __inline unsigned short int
+grub_inw (grub_port_t port)
+{
+ return *(volatile grub_uint16_t *) port;
+}
+
+static __inline unsigned int
+grub_inl (grub_port_t port)
+{
+ return *(volatile grub_uint32_t *) port;
+}
+
+static __inline void
+grub_outb (unsigned char value, grub_port_t port)
+{
+ *(volatile grub_uint8_t *) port = value;
+}
+
+static __inline void
+grub_outw (unsigned short int value, grub_port_t port)
+{
+ *(volatile grub_uint16_t *) port = value;
+}
+
+static __inline void
+grub_outl (unsigned int value, grub_port_t port)
+{
+ *(volatile grub_uint32_t *) port = value;
+}
+
+#endif /* _SYS_IO_H */