| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 17 | extern struct linux_romvec *romvec; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 18 | |
| 19 | extern 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. */ |
| 26 | extern char prom_getchar(void); |
| 27 | |
| 28 | /* Get next memory descriptor after CURR, returns first descriptor |
| 29 | * in chain is CURR is NULL. |
| 30 | */ |
| 31 | extern 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 | */ |
| 37 | extern void prom_meminit(void); |
| 38 | |
| 39 | /* PROM device tree library routines. */ |
| 40 | #define PROM_NULL_COMPONENT ((pcomponent *) 0) |
| 41 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 42 | /* This is called at prom_init time to identify the |
| 43 | * ARC architecture we are running on |
| 44 | */ |
| 45 | extern void prom_identify_arch(void); |
| 46 | |
| 47 | /* Environment variable routines. */ |
| 48 | extern PCHAR ArcGetEnvironmentVariable(PCHAR name); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 49 | |
| 50 | /* ARCS command line parsing. */ |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 51 | extern void prom_init_cmdline(int argc, LONG *argv); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 52 | |
| 53 | /* File operations. */ |
| 54 | extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt); |
| 55 | extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt); |
| 56 | |
| 57 | /* Misc. routines. */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 58 | extern VOID ArcEnterInteractiveMode(VOID) __noreturn; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 59 | extern DISPLAY_STATUS *ArcGetDisplayStatus(ULONG FileID); |
| 60 | |
| 61 | #endif /* _ASM_SGIALIB_H */ |