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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sparc/include/asm/openprom.h

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/* SPDX-License-Identifier: GPL-2.0 / #ifndef __SPARC_OPENPROM_H #define __SPARC_OPENPROM_H / openprom.h: Prom structures and defines for access to the OPENBOOT * prom routines and data areas. * * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) / / Empirical constants... / #define LINUX_OPPROM_MAGIC 0x10010407 #ifndef __ASSEMBLY__ #include <linux/of.h> / V0 prom device operations. / struct linux_dev_v0_funcs { int (v0_devopen)(char device_str); int (v0_devclose)(int dev_desc); int (v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char buf); int (v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char buf); int (v0_wrnetdev)(int dev_desc, int num_bytes, char buf); int (v0_rdnetdev)(int dev_desc, int num_bytes, char buf); int (v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char buf); int (v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char buf); int (v0_seekdev)(int dev_desc, long logical_offst, int from); }; / V2 and later prom device operations. / struct linux_dev_v2_funcs { phandle (v2_inst2pkg)(int d); /* Convert ihandle to phandle / char (v2_dumb_mem_alloc)(char va, unsigned int sz); void (v2_dumb_mem_free)(char va, unsigned int sz); /* To map devices into virtual I/O space. / char (v2_dumb_mmap)(char virta, int which_io, unsigned int paddr, unsigned int sz); void (v2_dumb_munmap)(char virta, unsigned int size); int (v2_dev_open)(char devpath); void (v2_dev_close)(int d); int (v2_dev_read)(int d, char buf, int nbytes); int (v2_dev_write)(int d, const char buf, int nbytes); int (v2_dev_seek)(int d, int hi, int lo); /* Never issued (multistage load support) / void (v2_wheee2)(void); void (v2_wheee3)(void); }; struct linux_mlist_v0 { struct linux_mlist_v0 theres_more; unsigned int start_adr; unsigned int num_bytes; }; struct linux_mem_v0 { struct linux_mlist_v0 v0_totphys; struct linux_mlist_v0 v0_prommap; struct linux_mlist_v0 *v0_available; / What we can use / }; / Arguments sent to the kernel from the boot prompt. / struct linux_arguments_v0 { char argv[8]; char args[100]; char boot_dev[2]; int boot_dev_ctrl; int boot_dev_unit; int dev_partition; char kernel_file_name; void aieee1; /* XXX / }; / V2 and up boot things. / struct linux_bootargs_v2 { char bootpath; char bootargs; int fd_stdin; int fd_stdout; }; / The top level PROM vector. / struct linux_romvec { / Version numbers. / unsigned int pv_magic_cookie; unsigned int pv_romvers; unsigned int pv_plugin_revision; unsigned int pv_printrev; / Version 0 memory descriptors. / struct linux_mem_v0 pv_v0mem; / Node operations. / struct linux_nodeops pv_nodeops; char *pv_bootstr; struct linux_dev_v0_funcs pv_v0devops; char pv_stdin; char pv_stdout; #define PROMDEV_KBD 0 / input from keyboard / #define PROMDEV_SCREEN 0 / output to screen / #define PROMDEV_TTYA 1 / in/out to ttya / #define PROMDEV_TTYB 2 / in/out to ttyb / / Blocking getchar/putchar. NOT REENTRANT! (grr) / int (pv_getchar)(void); void (pv_putchar)(int ch); / Non-blocking variants. / int (pv_nbgetchar)(void); int (pv_nbputchar)(int ch); void (pv_putstr)(char str, int len); / Miscellany. / void (pv_reboot)(char bootstr); void (pv_printf)(__const__ char fmt, ...); void (pv_abort)(void); __volatile__ int pv_ticks; void (pv_halt)(void); void (*pv_synchook)(void); / Evaluate a forth string, not different proto for V0 and V2->up. / union { void (v0_eval)(int len, char str); void (v2_eval)(char str); } pv_fortheval; struct linux_arguments_v0 pv_v0bootargs; / Get ether address. / unsigned int (pv_enaddr)(int d, char enaddr); struct linux_bootargs_v2 pv_v2bootargs; struct linux_dev_v2_funcs pv_v2devops; int filler[15]; / This one is sun4c/sun4 only. / void (pv_setctxt)(int ctxt, char va, int pmeg); / Prom version 3 Multiprocessor routines. This stuff is crazy. * No joke. Calling these when there is only one cpu probably * crashes the machine, have to test this. :-) / / v3_cpustart() will start the cpu 'whichcpu' in mmu-context * 'thiscontext' executing at address 'prog_counter' / int (v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, int thiscontext, char prog_counter); / v3_cpustop() will cause cpu 'whichcpu' to stop executing * until a resume cpu call is made. / int (v3_cpustop)(unsigned int whichcpu); /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or * resume cpu call is made. / int (v3_cpuidle)(unsigned int whichcpu); /* v3_cpuresume() will resume processor 'whichcpu' executing * starting with whatever 'pc' and 'npc' were left at the * last 'idle' or 'stop' call. / int (v3_cpuresume)(unsigned int whichcpu); }; /* Routines for traversing the prom device tree. / struct linux_nodeops { phandle (no_nextnode)(phandle node); phandle (no_child)(phandle node); int (no_proplen)(phandle node, const char name); int (no_getprop)(phandle node, const char name, char val); int (no_setprop)(phandle node, const char name, char val, int len); char (no_nextprop)(phandle node, char name); }; /* More fun PROM structures for device probing. / #if defined(__sparc__) && defined(__arch64__) #define PROMREG_MAX 24 #define PROMVADDR_MAX 16 #define PROMINTR_MAX 32 #else #define PROMREG_MAX 16 #define PROMVADDR_MAX 16 #define PROMINTR_MAX 15 #endif struct linux_prom_registers { unsigned int which_io; / hi part of physical address / unsigned int phys_addr; / The physical address of this register / unsigned int reg_size; / How many bytes does this register take up? / }; struct linux_prom64_registers { unsigned long phys_addr; unsigned long reg_size; }; struct linux_prom_irqs { int pri; / IRQ priority / int vector; / This is foobar, what does it do? / }; / Element of the "ranges" vector / struct linux_prom_ranges { unsigned int ot_child_space; unsigned int ot_child_base; / Bus feels this / unsigned int ot_parent_space; unsigned int ot_parent_base; / CPU looks from here / unsigned int or_size; }; / * Ranges and reg properties are a bit different for PCI. / #if defined(__sparc__) && defined(__arch64__) struct linux_prom_pci_registers { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int size_hi; unsigned int size_lo; }; #else struct linux_prom_pci_registers { / * We don't know what information this field contain. * We guess, PCI device function is in bits 15:8 * So, ... / unsigned int which_io; / Let it be which_io / unsigned int phys_hi; unsigned int phys_lo; unsigned int size_hi; unsigned int size_lo; }; #endif struct linux_prom_pci_ranges { unsigned int child_phys_hi; / Only certain bits are encoded here. / unsigned int child_phys_mid; unsigned int child_phys_lo; unsigned int parent_phys_hi; unsigned int parent_phys_lo; unsigned int size_hi; unsigned int size_lo; }; struct linux_prom_pci_intmap { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int interrupt; int cnode; unsigned int cinterrupt; }; struct linux_prom_pci_intmask { unsigned int phys_hi; unsigned int phys_mid; unsigned int phys_lo; unsigned int interrupt; }; #endif / !(__ASSEMBLY__) / #endif / !(__SPARC_OPENPROM_H) */

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