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Diffstat (limited to 'arch/mips/include/asm/sgialib.h')
| -rw-r--r-- | arch/mips/include/asm/sgialib.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sgialib.h b/arch/mips/include/asm/sgialib.h new file mode 100644 index 000000000..80f900417 --- /dev/null +++ b/arch/mips/include/asm/sgialib.h @@ -0,0 +1,61 @@ +/* + * 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 */ |