libs/newlib-cygwin
libs/newlib-cygwin
4
0
Fork 0
mirror of git://sourceware.org/git/newlib-cygwin.git synced 2025-02-19 07:22:14 +08:00
Code Issues Projects Releases Wiki Activity

* fhandler_proc.cc (format_proc_cpuinfo): Remove Intel-specific flags

Browse Source 
from /proc/cpuinfo on non-Intel processors. Added new AMD-specific
	flags. Changed Intel flag names to match Linux.
This commit is contained in:
Corinna Vinschen 2004-07-26 13:19:03 +00:00
parent 3bf0227220
commit 2646298531
2 changed files with 54 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2004-07-26 Christopher January <chris@atomice.net>
* fhandler_proc.cc (format_proc_cpuinfo): Remove Intel-specific flags
from /proc/cpuinfo on non-Intel processors. Added new AMD-specific
flags. Changed Intel flag names to match Linux.
2004-07-24 Christopher Faylor <cgf@timesys.com>
* dcrt0.cc (dll_crt0_0): Use proper boolean arguments.

39
winsup/cygwin/fhandler_proc.cc
View File

@ -841,9 +841,9 @@ format_proc_cpuinfo (char *destbuf, size_t maxsize)
print (" psn");
if (features1 & (1 << 19))
print (" clfl");
if (features1 & (1 << 21))
if (is_intel && features1 & (1 << 21))
print (" dtes");
if (features1 & (1 << 22))
if (is_intel && features1 & (1 << 22))
print (" acpi");
if (features1 & (1 << 23))
print (" mmx");
@ -851,6 +851,8 @@ format_proc_cpuinfo (char *destbuf, size_t maxsize)
print (" fxsr");
if (features1 & (1 << 25))
print (" sse");
if (is_intel)
{
if (features1 & (1 << 26))
print (" sse2");
if (features1 & (1 << 27))
@ -863,33 +865,42 @@ format_proc_cpuinfo (char *destbuf, size_t maxsize)
print (" ia-64");
if (features1 & (1 << 31))
print (" pbe");
if (features2 & (1 << 0))
print (" sse3");
print (" pni");
if (features2 & (1 << 3))
print (" mon");
print (" monitor");
if (features2 & (1 << 4))
print (" dscpl");
if (features2 & (1 << 8))
print (" ds_cpl");
if (features2 & (1 << 7))
print (" tm2");
if (features2 & (1 << 8))
print (" est");
if (features2 & (1 << 10))
print (" cid");
}
if (is_amd)
if (is_amd && maxe >= 0x80000001)
{
// uses AMD extended calls to check
// for 3dnow and 3dnow extended support
// (source: AMD Athlon Processor Recognition Application Note)
unsigned int a = 0, b, c, d;
cpuid (&a, &b, &c, &d, 0x80000000);
if (a >= 0x80000001) // has basic capabilities
if (maxe >= 0x80000001) // has basic capabilities
{
cpuid (&a, &b, &c, &d, 0x80000001);
cpuid (&unused, &unused, &unused, &features2, 0x80000001);
if(d & (1 << 30)) // 31th bit is on
if (features2 & (1 << 11))
print (" syscall");
if (features2 & (1 << 19))
print (" mp");
if (features2 & (1 << 22))
print (" mmxext");
if (features2 & (1 << 29))
print (" lm");
if (features2 & (1 << 30)) // 31th bit is on
print (" 3dnowext");
if(d & (1 << 31)) // 32th bit (highest) is on
if (features2 & (1 << 31)) // 32th bit (highest) is on
print (" 3dnow");
}
}