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-rw-r--r--arch/mips/include/asm/sgialib.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sgialib.h b/arch/mips/include/asm/sgialib.h
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+++ b/arch/mips/include/asm/sgialib.h
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+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI ARCS firmware interface library for the Linux kernel.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org)
+ */
+#ifndef _ASM_SGIALIB_H
+#define _ASM_SGIALIB_H
+
+#include <linux/compiler.h>
+#include <asm/sgiarcs.h>
+
+extern struct linux_romvec *romvec;
+
+extern int prom_flags;
+
+#define PROM_FLAG_ARCS 1
+#define PROM_FLAG_USE_AS_CONSOLE 2
+#define PROM_FLAG_DONT_FREE_TEMP 4
+
+/* Simple char-by-char console I/O. */
+extern char prom_getchar(void);
+
+/* Get next memory descriptor after CURR, returns first descriptor
+ * in chain is CURR is NULL.
+ */
+extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr);
+#define PROM_NULL_MDESC ((struct linux_mdesc *) 0)
+
+/* Called by prom_init to setup the physical memory pmemblock
+ * array.
+ */
+extern void prom_meminit(void);
+
+/* PROM device tree library routines. */
+#define PROM_NULL_COMPONENT ((pcomponent *) 0)
+
+/* This is called at prom_init time to identify the
+ * ARC architecture we are running on
+ */
+extern void prom_identify_arch(void);
+
+/* Environment variable routines. */
+extern PCHAR ArcGetEnvironmentVariable(PCHAR name);
+
+/* ARCS command line parsing. */
+extern void prom_init_cmdline(int argc, LONG *argv);
+
+/* File operations. */
+extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
+extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
+
+/* Misc. routines. */
+extern VOID ArcEnterInteractiveMode(VOID) __noreturn;
+extern DISPLAY_STATUS *ArcGetDisplayStatus(ULONG FileID);
+
+#endif /* _ASM_SGIALIB_H */