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