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Don't assume that all sun4m CPUs support muldiv; the Cypress CPU, which 

implements the 4m MMU but only v7 instructions, does not. (Debian
    #100).
This commit is contained in:
Daniel Stone 2005-08-26 06:23:41 +00:00
parent fd158d3d52
commit b48a24e796
1 changed files with 16 additions and 1 deletions
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17
hw/xfree86/loader/loader.c
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@ -190,9 +190,24 @@ sparcUseHWMulDiv(void)
while (fgets(buffer, 1024, f) != NULL) {
if (!strncmp(buffer, "type", 4)) {
p = strstr(buffer, "sun4");
if (p && (p[4] == 'u' || p[4] == 'd' || p[4] == 'm')) {
if (p && (p[4] == 'u' || p[4] == 'd')) {
fclose(f);
return 1;
} else if (p && p[4] == 'm') {
fclose(f);
f = fopen("/proc/cpuinfo","r");
if (!f) return 0;
while (fgets(buffer, 1024, f) != NULL) {
if (!strncmp (buffer, "MMU type", 8)) {
p = strstr (buffer, "Cypress");
if (p) {
fclose(f);
return 1;
}
}
}
fclose(f);
return 0;
}
}
}