cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sgialib.h (1743B)

      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * SGI ARCS firmware interface library for the Linux kernel.
      7 *
      8 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
      9 * Copyright (C) 2001, 2002 Ralf Baechle (ralf@gnu.org)
     10 */
     11#ifndef _ASM_SGIALIB_H
     12#define _ASM_SGIALIB_H
     13
     14#include <linux/compiler.h>
     15#include <asm/sgiarcs.h>
     16
     17extern struct linux_romvec *romvec;
     18
     19extern int prom_flags;
     20
     21#define PROM_FLAG_ARCS			1
     22#define PROM_FLAG_USE_AS_CONSOLE	2
     23#define PROM_FLAG_DONT_FREE_TEMP	4
     24
     25/* Simple char-by-char console I/O. */
     26extern char prom_getchar(void);
     27
     28/* Get next memory descriptor after CURR, returns first descriptor
     29 * in chain is CURR is NULL.
     30 */
     31extern struct linux_mdesc *prom_getmdesc(struct linux_mdesc *curr);
     32#define PROM_NULL_MDESC	  ((struct linux_mdesc *) 0)
     33
     34/* Called by prom_init to setup the physical memory pmemblock
     35 * array.
     36 */
     37extern void prom_meminit(void);
     38
     39/* PROM device tree library routines. */
     40#define PROM_NULL_COMPONENT ((pcomponent *) 0)
     41
     42/* This is called at prom_init time to identify the
     43 * ARC architecture we are running on
     44 */
     45extern void prom_identify_arch(void);
     46
     47/* Environment variable routines. */
     48extern PCHAR ArcGetEnvironmentVariable(PCHAR name);
     49
     50/* ARCS command line parsing. */
     51extern void prom_init_cmdline(int argc, LONG *argv);
     52
     53/* File operations. */
     54extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
     55extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
     56
     57/* Misc. routines. */
     58extern VOID ArcEnterInteractiveMode(VOID) __noreturn;
     59extern DISPLAY_STATUS *ArcGetDisplayStatus(ULONG FileID);
     60
     61#endif /* _ASM_SGIALIB_H */