// SPDX-License-Identifier: GPL-2.0 /* * init.c: Initialize internal variables used by the PROM * library functions. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <asm/openprom.h> #include <asm/oplib.h> struct linux_romvec *romvec; EXPORT_SYMBOL(romvec); enum prom_major_version prom_vers; unsigned int prom_rev, prom_prev; /* The root node of the prom device tree. */ phandle prom_root_node; EXPORT_SYMBOL(prom_root_node); /* Pointer to the device tree operations structure. */ struct linux_nodeops *prom_nodeops; /* You must call prom_init() before you attempt to use any of the * routines in the prom library. * It gets passed the pointer to the PROM vector. */
void __init prom_init(struct linux_romvec *rp) { romvec = rp; switch(romvec->pv_romvers) { case 0: prom_vers = PROM_V0; break; case 2: prom_vers = PROM_V2; break; case 3: prom_vers = PROM_V3; break; default: prom_printf("PROMLIB: Bad PROM version %d\n", romvec->pv_romvers); prom_halt(); break; } prom_rev = romvec->pv_plugin_revision; prom_prev = romvec->pv_printrev; prom_nodeops = romvec->pv_nodeops; prom_root_node = prom_getsibling(0); if ((prom_root_node == 0) || ((s32)prom_root_node == -1)) prom_halt(); if((((unsigned long) prom_nodeops) == 0) || (((unsigned long) prom_nodeops) == -1)) prom_halt(); prom_meminit(); prom_ranges_init(); printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n", romvec->pv_romvers, prom_rev); /* Initialization successful. */ }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 152 | 98.06% | 4 | 80.00% |
| Andres Salomon | 3 | 1.94% | 1 | 20.00% |
| Total | 155 | 100.00% | 5 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 188 | 90.38% | 5 | 45.45% |
| Sam Ravnborg | 13 | 6.25% | 1 | 9.09% |
| Andres Salomon | 4 | 1.92% | 2 | 18.18% |
| Greg Kroah-Hartman | 1 | 0.48% | 1 | 9.09% |
| Adrian Bunk | 1 | 0.48% | 1 | 9.09% |
| Geert Uytterhoeven | 1 | 0.48% | 1 | 9.09% |
| Total | 208 | 100.00% | 11 | 100.00% |