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/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include "linux/sched.h"
#include "linux/errno.h"
#include "asm/system.h"
#include "asm/pda.h"
#include "sysdep/ptrace.h"
#include "os.h"
void arch_init_thread(void)
{
}
void arch_check_bugs(void)
{
}
int arch_handle_signal(int sig, union uml_pt_regs *regs)
{
return 0;
}
#define MAXTOKEN 64
/* Set during early boot */
int host_has_cmov = 1;
int host_has_xmm = 0;
static char token(int fd, char *buf, int len, char stop)
{
int n;
char *ptr, *end, c;
ptr = buf;
end = &buf[len];
do {
n = os_read_file(fd, ptr, sizeof(*ptr));
c = *ptr++;
if(n != sizeof(*ptr)){
if(n == 0)
return 0;
printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
if(n < 0)
return n;
else return -EIO;
}
} while((c != '\n') && (c != stop) && (ptr < end));
if(ptr == end){
printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
return -1;
}
*(ptr - 1) = '\0';
return c;
}
static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
{
int n;
char c;
scratch[len - 1] = '\0';
while(1){
c = token(fd, scratch, len - 1, ':');
if(c <= 0)
return 0;
else if(c != ':'){
printk("Failed to find ':' in /proc/cpuinfo\n");
return 0;
}
if(!strncmp(scratch, key, strlen(key)))
return 1;
do {
n = os_read_file(fd, &c, sizeof(c));
if(n != sizeof(c)){
printk("Failed to find newline in "
"/proc/cpuinfo, err = %d\n", -n);
return 0;
}
} while(c != '\n');
}
return 0;
}
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