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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 ([email protected])
- * Copyright (C) 2001, 2002 Ralf Baechle ([email protected])
- */
- #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 */
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