/* This file is inspired from source code of kudzu from Red Hat, Inc. * It has been modified to keep only "what is needed" in C, the prom_walk * has been rewritten in perl for convenience :-) * * Copyright notice from original version. * sbus.c: Probe for Sun SBUS and UPA framebuffers using OpenPROM, * SBUS SCSI and Ethernet cards and SBUS or EBUS audio chips. * * Copyright (C) 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz) * (C) 1999 Red Hat, Inc. * * This software may be freely redistributed under the terms of the GNU * public license. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * */ #ifdef __sparc__ #include #include #include #include #include #include static char *promdev = "/dev/openprom"; static int promfd = -1; static int prom_current_node; #define MAX_PROP 128 #define MAX_VAL (4096-128-4) static char buf[4096]; #define DECL_OP(size) struct openpromio *op = (struct openpromio *)buf; op->oprom_size = (size) int prom_open() { int prom_root_node; if (promfd == -1) { promfd = open(promdev, O_RDONLY); if (promfd == -1) return 0; } prom_root_node = prom_getsibling(0); if (!prom_root_node) { close(promfd); promfd = -1; return 0; } return prom_root_node; } void prom_close() { if (promfd != -1) { close(promfd); promfd = -1; } } int prom_getsibling(int node) { DECL_OP(sizeof(int)); if (node == -1) return 0; *(int *)op->oprom_array = node; if (ioctl (promfd, OPROMNEXT, op) < 0) return 0; prom_current_node = *(int *)op->oprom_array; return *(int *)op->oprom_array; } int prom_getchild(int node) { DECL_OP(sizeof(int)); if (!node || node == -1) return 0; *(int *)op->oprom_array = node; if (ioctl (promfd, OPROMCHILD, op) < 0) return 0; prom_current_node = *(int *)op->oprom_array; return *(int *)op->oprom_array; } char *prom_getopt(char *var, int *lenp) { DECL_OP(MAX_VAL); strcpy (op->oprom_array, var); if (ioctl (promfd, OPROMGETOPT, op) < 0) return 0; if (lenp) *lenp = op->oprom_size; return op->oprom_array; } void prom_setopt(char *var, char *value) { DECL_OP(MAX_VAL); strcpy (op->oprom_array, var); strcpy (op->oprom_array + strlen (var) + 1, value); ioctl (promfd, OPROMSETOPT, op); } char *prom_getproperty(char *prop, int *lenp) { DECL_OP(MAX_VAL); strcpy (op->oprom_array, prop); if (ioctl (promfd, OPROMGETPROP, op) < 0) return 0; if (lenp) *lenp = op->oprom_size; return op->oprom_array; } int prom_getbool(char *prop) { DECL_OP(0); *(int *)op->oprom_array = 0; for (;;) { op->oprom_size = MAX_PROP; if (ioctl(promfd, OPROMNXTPROP, op) < 0) return 0; if (!op->oprom_size) return 0; if (!strcmp (op->oprom_array, prop)) return 1; } } int prom_pci2node(int bus, int devfn) { DECL_OP(2*sizeof(int)); ((int *)op->oprom_array)[0] = bus; ((int *)op->oprom_array)[1] = devfn; if (ioctl (promfd, OPROMPCI2NODE, op) < 0) return 0; prom_current_node = *(int *)op->oprom_array; return *(int *)op->oprom_array; } #else int prom_open() { return 0; } void prom_close() {} int prom_getsibling(int node) { return 0; } int prom_getchild(int node) { return 0; } char *prom_getopt(char *var, int *lenp) { return 0; /* NULL */ } void prom_setopt(char *var, char *value) {} char *prom_getproperty(char *prop, int *lenp) { return 0; /* NULL */ } int prom_getbool(char *prop) { return 0; } int prom_pci2node(int bus, int devfn) { return 0; } #endif /* __sparc__ */ alue='user/ennael/mga6'>user/ennael/mga6 Mageia Installer and base platform for many utilitiesThierry Vignaud [tv]
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authorYuri Chornoivan <yurchor@ukr.net>2014-02-02 08:57:52 +0200
committerYuri Chornoivan <yurchor@ukr.net>2014-02-02 08:57:52 +0200
commit1b3acf908180fe7d6782df26d57f94d673f53870 (patch)
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Fix translation catalogs to add new translatable string (<control>H)