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/* Re-written from scratch 4 March 2001 */
/* Handles sparc chips on Linux architecture */
/* by Vince Weaver <vince@deater.net> */
#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* atof */
#include <fnmatch.h>
#include "../sysinfo.h"
#include "../include/generic.h"
int get_cpu_info(struct cpu_info_type *cpu_info) {
FILE *fff;
char temp_string[BUFSIZ],temp[BUFSIZ];
char vendor_string[BUFSIZ],model_string[BUFSIZ];
int cpu_count=0;
float megahertz=0.0,bogomips=0.0;
vendor_string[0]=model_string[0]=0;
/* We get all of our info here from /proc/cpuinfo */
if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
if ( !(strncmp(temp_string,"cpu",3))) {
strncpy(model_string,parse_line(temp_string),BUFSIZ);
clip_lf(model_string,BUFSIZ);
}
if ( !(strncmp(temp_string,"ncpus active",12))) {
cpu_count=atoi(parse_line(temp_string));
}
/* Suggested change by Ben Collins <bmc@visi.net> */
if ( !(strncasecmp(temp_string,"bogomips",8)) ||
!(fnmatch("Cpu[0-9]*Bogo*",temp_string,0))) {
#if 0
/* Ugh why must people play with capitalization */
if ( !(strncmp(temp_string,"bogomips",8)) ||
!(strncmp(temp_string,"BogoMips",8)) ||
!(strncmp(temp_string,"BogoMIPS",8)) ||
!(strncmp(temp_string,"Cpu",3))) {
#endif
bogomips+=atof(parse_line(temp_string));
}
}
}
strncpy(cpu_info->chip_vendor,"Sparc",SYSINFO_CHIP_VENDOR_SIZE);
strncpy(cpu_info->chip_type,model_string,SYSINFO_CHIP_TYPE_SIZE);
/* Fix up cpuinfo some */
if (!strncmp(model_string,"Cypress",7)) {
strncpy(cpu_info->chip_vendor,"Cypress",8);
sscanf(model_string,"%*s %s",temp);
strncpy(cpu_info->chip_type,temp,SYSINFO_CHIP_TYPE_SIZE);
}
if (!strncmp(model_string,"ROSS",4)) {
strncpy(cpu_info->chip_vendor,"ROSS",5);
sscanf(model_string,"%*s %s",temp);
strncpy(cpu_info->chip_type,temp,SYSINFO_CHIP_TYPE_SIZE);
}
if (!strncmp(model_string,"Texas",5)) {
strncpy(cpu_info->chip_vendor,"TI",3);
sscanf(model_string,"%*s %*s %*s %*s %s",temp);
strncpy(cpu_info->chip_type,temp,SYSINFO_CHIP_TYPE_SIZE);
if (strstr(model_string,"UltraSparc II ")!=NULL) {
strncpy(cpu_info->chip_type,"UltraSparc II",14);
}
}
if (strstr(model_string,"SpitFire")!=NULL) {
strncpy(cpu_info->chip_type,"SpitFire",9);
} else
if (strstr(model_string,"Power-UP")!=NULL) {
strncpy(cpu_info->chip_type,"Power-UP",9);
} else
if (strstr(model_string,"UltraSparc II ")!=NULL) {
strncpy(cpu_info->chip_type,"UltraSparc II",14);
} else
if (strstr(model_string,"UltraSparc III+")!=NULL) {
strncpy(cpu_info->chip_type,"UltraSparc III+",16);
}
cpu_info->num_cpus=cpu_count;
cpu_info->megahertz=megahertz;
cpu_info->bogomips=bogomips;
return 0;
}
int get_hardware(char *hardware_string) {
char temp_string[BUFSIZ];
FILE *fff;
if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
if (!(strncmp(temp_string,"type",4))) {
strncpy(hardware_string,parse_line(temp_string),
SYSINFO_HARDWARE_STRING_SIZE);
}
}
}
return 1;
}
/* I don't have a machine to test the below code on. I have */
/* had multiple reports that the PROM code DOESN'T work, so */
/* until someone sends me a patch that fixes it, I have turned */
/* off the PROM code */
#define CROSS_DEBUGGING 1
/* Following routine provided by Ben Collins <bmc@visi.net> */
/* Ripped from prtconf: Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) */
#if (CROSS_DEBUGGING==1)
long long get_arch_specific_mem_size(void) {
/* /proc/kcore does not reflect memsize on sparc */
return MEM_USE_MEMINFO;
}
#else
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <asm/openpromio.h>
static int promfd;
static char buf[4096];
static int prom_root_node, prom_current_node;
#define DECL_OP(size) struct openpromio *op = (struct openpromio *)buf; op->oprom_size = (size)
static 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;
}
static 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;
}
static char *prom_getproperty(char *prop, int *lenp) {
DECL_OP(4096-128-4);
strcpy (op->oprom_array, prop);
if (ioctl (promfd, OPROMGETPROP, op) < 0)
return 0;
if (lenp) *lenp = op->oprom_size;
return op->oprom_array;
}
static int prom_searchsiblings(char *name) {
char *prop;
int len;
for (;;) {
if (!(prop = prom_getproperty("name", &len)))
return 0;
prop[len] = 0;
if (!strcmp(prop, name))
return prom_current_node;
if (!prom_getsibling(prom_current_node))
return 0;
}
}
static inline int is_sparc64(void) {
struct utsname uts_info;
prom_getsibling(0);
uname(&uts_info);
if (!strcmp(uts_info.machine, "sparc64"))
return 1;
return 0;
}
/* On sparc, the best method of memory detection is the prom. We use
* sparse memory, so /proc/kcore is almost never right, and we all know
* that /proc/meminfo never reports physical ram accurately. */
long long get_arch_specific_mem_size(void) {
long long memory_size = 0;
int len, i;
unsigned int *prop;
promfd = open("/dev/openprom", O_RDONLY);
if (promfd == -1) {
memory_size=MEM_USE_MEMINFO;
goto mem_done;
}
prom_root_node = prom_getsibling(0);
if (!prom_root_node) {
memory_size=MEM_USE_MEMINFO;
goto mem_done;
}
prom_getchild(prom_getsibling(0));
if (!prom_searchsiblings("memory")) {
memory_size=MEM_USE_MEMINFO;
goto mem_done;
}
prop = (unsigned int *)prom_getproperty("reg", &len);
if (!prop || (len % sizeof(int)))
goto mem_done;
len /= sizeof(int);
if (is_sparc64()) {
if (len % 4) {
goto mem_done;
} else {
for (i = 0; i < len; i+=4) {
memory_size += ((unsigned long long)prop[i + 2] << 32);
memory_size += prop[i + 3];
}
}
} else {
if (len % 3) {
goto mem_done;
} else {
for (i = 0; i < len; i+=3)
memory_size += prop[i + 2];
}
}
mem_done:
if (promfd >= 0)
close(promfd);
/* Memory size is megabytes */
return memory_size;
}
#endif
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