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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/mips/include/asm/dec/prom.h

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/* SPDX-License-Identifier: GPL-2.0-or-later / / * include/asm-mips/dec/prom.h * * DECstation PROM interface. * * Copyright (C) 2002 Maciej W. Rozycki * * Based on arch/mips/dec/prom/prom.h by the Anonymous. / #ifndef _ASM_DEC_PROM_H #define _ASM_DEC_PROM_H #include <linux/types.h> #include <asm/addrspace.h> / * PMAX/3MAX PROM entry points for DS2100/3100's and DS5000/2xx's. * Many of these will work for MIPSen as well! / #define VEC_RESET (u64 )CKSEG1ADDR(0x1fc00000) /* Prom base address / #define PMAX_PROM_ENTRY(x) (VEC_RESET + (x)) / Prom jump table / #define PMAX_PROM_HALT PMAX_PROM_ENTRY(2) / valid on MIPSen / #define PMAX_PROM_AUTOBOOT PMAX_PROM_ENTRY(5) / valid on MIPSen / #define PMAX_PROM_OPEN PMAX_PROM_ENTRY(6) #define PMAX_PROM_READ PMAX_PROM_ENTRY(7) #define PMAX_PROM_CLOSE PMAX_PROM_ENTRY(10) #define PMAX_PROM_LSEEK PMAX_PROM_ENTRY(11) #define PMAX_PROM_GETCHAR PMAX_PROM_ENTRY(12) #define PMAX_PROM_PUTCHAR PMAX_PROM_ENTRY(13) / 12 on MIPSen / #define PMAX_PROM_GETS PMAX_PROM_ENTRY(15) #define PMAX_PROM_PRINTF PMAX_PROM_ENTRY(17) #define PMAX_PROM_GETENV PMAX_PROM_ENTRY(33) / valid on MIPSen / / * Magic number indicating REX PROM available on DECstation. Found in * register a2 on transfer of control to program from PROM. / #define REX_PROM_MAGIC 0x30464354 / KN04 and KN05 are REX PROMs, so only do the check for R3k systems. / static inline bool prom_is_rex(u32 magic) { return !IS_ENABLED(CONFIG_CPU_R3000) \|\| magic == REX_PROM_MAGIC; } / * 3MIN/MAXINE PROM entry points for DS5000/1xx's, DS5000/xx's and * DS5000/2x0. / #define REX_PROM_GETBITMAP 0x84/4 / get mem bitmap / #define REX_PROM_GETCHAR 0x24/4 / getch() / #define REX_PROM_GETENV 0x64/4 / get env. variable / #define REX_PROM_GETSYSID 0x80/4 / get system id / #define REX_PROM_GETTCINFO 0xa4/4 #define REX_PROM_PRINTF 0x30/4 / printf() / #define REX_PROM_SLOTADDR 0x6c/4 / slotaddr / #define REX_PROM_BOOTINIT 0x54/4 / open() / #define REX_PROM_BOOTREAD 0x58/4 / read() / #define REX_PROM_CLEARCACHE 0x7c/4 / * Used by rex_getbitmap(). / typedef struct { int pagesize; unsigned char bitmap[]; } memmap; / * Function pointers as read from a PROM's callback vector. / extern int (__rex_bootinit)(void); extern int (__rex_bootread)(void); extern int (__rex_getbitmap)(memmap ); extern unsigned long (__rex_slot_address)(int); extern void (__rex_gettcinfo)(void); extern int (__rex_getsysid)(void); extern void (__rex_clear_cache)(void); extern int (__prom_getchar)(void); extern char (__prom_getenv)(char ); extern int (__prom_printf)(char , ...); extern int (__pmax_open)(char, int); extern int (__pmax_lseek)(int, long, int); extern int (__pmax_read)(int, void , int); extern int (__pmax_close)(int); #ifdef CONFIG_64BIT / * On MIPS64 we have to call PROM functions via a helper * dispatcher to accommodate ABI incompatibilities. / #define __DEC_PROM_O32(fun, arg) fun arg __asm__(#fun); \ __asm__(#fun " = call_o32") int __DEC_PROM_O32(_rex_bootinit, (int ()(void), void )); int __DEC_PROM_O32(_rex_bootread, (int ()(void), void )); int __DEC_PROM_O32(_rex_getbitmap, (int ()(memmap ), void , memmap )); unsigned long __DEC_PROM_O32(_rex_slot_address, (unsigned long ()(int), void , int)); void __DEC_PROM_O32(_rex_gettcinfo, (void ()(void), void )); int __DEC_PROM_O32(_rex_getsysid, (int ()(void), void )); void __DEC_PROM_O32(_rex_clear_cache, (void ()(void), void )); int __DEC_PROM_O32(_prom_getchar, (int ()(void), void )); char __DEC_PROM_O32(_prom_getenv, (char ()(char ), void , char )); int __DEC_PROM_O32(_prom_printf, (int ()(char , ...), void , char , ...)); #define rex_bootinit() _rex_bootinit(__rex_bootinit, NULL) #define rex_bootread() _rex_bootread(__rex_bootread, NULL) #define rex_getbitmap(x) _rex_getbitmap(__rex_getbitmap, NULL, x) #define rex_slot_address(x) _rex_slot_address(__rex_slot_address, NULL, x) #define rex_gettcinfo() _rex_gettcinfo(__rex_gettcinfo, NULL) #define rex_getsysid() _rex_getsysid(__rex_getsysid, NULL) #define rex_clear_cache() _rex_clear_cache(__rex_clear_cache, NULL) #define prom_getchar() _prom_getchar(__prom_getchar, NULL) #define prom_getenv(x) _prom_getenv(__prom_getenv, NULL, x) #define prom_printf(x...) _prom_printf(__prom_printf, NULL, x) #else / !CONFIG_64BIT / / * On plain MIPS we just call PROM functions directly. / #define rex_bootinit __rex_bootinit #define rex_bootread __rex_bootread #define rex_getbitmap __rex_getbitmap #define rex_slot_address __rex_slot_address #define rex_gettcinfo __rex_gettcinfo #define rex_getsysid __rex_getsysid #define rex_clear_cache __rex_clear_cache #define prom_getchar __prom_getchar #define prom_getenv __prom_getenv #define prom_printf __prom_printf #define pmax_open __pmax_open #define pmax_lseek __pmax_lseek #define pmax_read __pmax_read #define pmax_close __pmax_close #endif / !CONFIG_64BIT / extern void prom_meminit(u32); extern void prom_identify_arch(u32); extern void prom_init_cmdline(s32, s32 , u32); extern void register_prom_console(void); extern void unregister_prom_console(void); #endif /* _ASM_DEC_PROM_H */

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