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newlib-cygwin
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* fhandler_proc.cc (format_proc_stat): Use new in_buf. 

(format_proc_cpuinfo): Replace szBuffer with a union in_buf.  Use type
	correct throughout.  Add a couple of missing or newer cpu flags.  Allow
	certain AMD flags for intel as well.
This commit is contained in:
Corinna Vinschen 2010-01-11 15:10:21 +00:00
parent f380ca5803
commit 523a66d91d
2 changed files with 106 additions and 25 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2010-01-11 Corinna Vinschen <corinna@vinschen.de>
* fhandler_proc.cc (format_proc_stat): Use new in_buf.
(format_proc_cpuinfo): Replace szBuffer with a union in_buf. Use type
correct throughout. Add a couple of missing or newer cpu flags. Allow
certain AMD flags for intel as well.
2010-01-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (fhandler_base::fstat_helper): Declare timestamps as

124
winsup/cygwin/fhandler_proc.cc
View File

@ -555,7 +555,7 @@ format_proc_stat (void *, char *&destbuf)
#define read_value(x,y) \
do {\
dwCount = BUFSIZE; \
if ((dwError = RegQueryValueEx (hKey, x, NULL, &dwType, (BYTE *) szBuffer, &dwCount)), \
if ((dwError = RegQueryValueEx (hKey, x, NULL, &dwType, in_buf.b, &dwCount)), \
(dwError != ERROR_SUCCESS && dwError != ERROR_MORE_DATA)) \
{ \
debug_printf ("RegQueryValueEx failed retcode %d", dwError); \
@ -583,7 +583,13 @@ format_proc_cpuinfo (void *, char *&destbuf)
DWORD dwOldThreadAffinityMask;
int cpu_number;
const int BUFSIZE = 256;
CHAR szBuffer[BUFSIZE];
union
{
BYTE b[BUFSIZE];
char s[BUFSIZE];
DWORD d;
unsigned m[13];
} in_buf;
tmp_pathbuf tp;
char *buf = tp.c_get ();
@ -595,9 +601,9 @@ format_proc_cpuinfo (void *, char *&destbuf)
if (cpu_number)
print ("\n");
__small_sprintf (szBuffer, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\%d", cpu_number);
__small_sprintf (in_buf.s, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\%d", cpu_number);
if ((dwError = RegOpenKeyEx (HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_QUERY_VALUE, &hKey)) != ERROR_SUCCESS)
if ((dwError = RegOpenKeyEx (HKEY_LOCAL_MACHINE, in_buf.s, 0, KEY_QUERY_VALUE, &hKey)) != ERROR_SUCCESS)
{
if (dwError == ERROR_FILE_NOT_FOUND)
break;
@ -633,11 +639,11 @@ format_proc_cpuinfo (void *, char *&destbuf)
{
bufptr += __small_sprintf (bufptr, "processor : %d\n", cpu_number);
read_value ("VendorIdentifier", REG_SZ);
bufptr += __small_sprintf (bufptr, "vendor_id : %s\n", szBuffer);
bufptr += __small_sprintf (bufptr, "vendor_id : %s\n", in_buf.s);
read_value ("Identifier", REG_SZ);
bufptr += __small_sprintf (bufptr, "identifier : %s\n", szBuffer);
bufptr += __small_sprintf (bufptr, "identifier : %s\n", in_buf.s);
read_value ("~Mhz", REG_DWORD);
bufptr += __small_sprintf (bufptr, "cpu MHz : %u\n", *(DWORD *) szBuffer);
bufptr += __small_sprintf (bufptr, "cpu MHz : %u\n", in_buf.d);
print ("flags :");
if (IsProcessorFeaturePresent (PF_3DNOW_INSTRUCTIONS_AVAILABLE))
@ -675,7 +681,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
bufptr += __small_sprintf (bufptr, "vendor_id\t: %s\n",
(char *)vendor_id);
read_value ("~Mhz", REG_DWORD);
unsigned cpu_mhz = *(DWORD *)szBuffer;
unsigned cpu_mhz = in_buf.d;
if (maxf >= 1)
{
unsigned features2, features1, extra_info, cpuid_sig;
@ -698,19 +704,18 @@ format_proc_cpuinfo (void *, char *&destbuf)
cpuid (&maxe, &unused, &unused, &unused, 0x80000000);
if (maxe >= 0x80000004)
{
unsigned *model_name = (unsigned *) szBuffer;
cpuid (&model_name[0], &model_name[1], &model_name[2],
&model_name[3], 0x80000002);
cpuid (&model_name[4], &model_name[5], &model_name[6],
&model_name[7], 0x80000003);
cpuid (&model_name[8], &model_name[9], &model_name[10],
&model_name[11], 0x80000004);
model_name[12] = 0;
cpuid (&in_buf.m[0], &in_buf.m[1], &in_buf.m[2],
&in_buf.m[3], 0x80000002);
cpuid (&in_buf.m[4], &in_buf.m[5], &in_buf.m[6],
&in_buf.m[7], 0x80000003);
cpuid (&in_buf.m[8], &in_buf.m[9], &in_buf.m[10],
&in_buf.m[11], 0x80000004);
in_buf.m[12] = 0;
}
else
{
// could implement a lookup table here if someone needs it
strcpy (szBuffer, "unknown");
strcpy (in_buf.s, "unknown");
}
int cache_size = -1,
tlb_size = -1,
@ -744,7 +749,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
"cpu MHz\t\t: %d\n",
family,
model,
szBuffer + strspn (szBuffer, " "),
in_buf.s + strspn (in_buf.s, " "),
stepping,
cpu_mhz);
if (cache_size >= 0)
@ -866,6 +871,8 @@ format_proc_cpuinfo (void *, char *&destbuf)
print (" mmxext");
if (features & (1 << 25))
print (" fxsr_opt");
if (features & (1 << 26))
print (" pdpe1gb");
if (features & (1 << 27))
print (" rdtscp");
if (features & (1 << 29))
@ -880,21 +887,58 @@ format_proc_cpuinfo (void *, char *&destbuf)
print (" pni");
if (is_intel)
{
if (features2 & (1 << 2))
print (" dtes64");
if (features2 & (1 << 3))
print (" monitor");
if (features2 & (1 << 4))
print (" ds_cpl");
if (features2 & (1 << 5))
print (" vmx");
if (features2 & (1 << 6))
print (" smx");
if (features2 & (1 << 7))
print (" tm2");
if (features2 & (1 << 8))
print (" est");
if (features2 & (1 << 8))
print (" tm2");
if (features2 & (1 << 9))
print (" ssse3");
if (features2 & (1 << 10))
print (" cid");
if (features2 & (1 << 12))
print (" fma");
}
if (features2 & (1 << 13))
print (" cx16");
if (is_intel)
{
if (features2 & (1 << 14))
print (" xtpr");
if (features2 & (1 << 15))
print (" pdcm");
if (features2 & (1 << 18))
print (" dca");
if (features2 & (1 << 19))
print (" sse4_1");
if (features2 & (1 << 20))
print (" sse4_2");
if (features2 & (1 << 21))
print (" x2apic");
if (features2 & (1 << 22))
print (" movbe");
if (features2 & (1 << 23))
print (" popcnt");
if (features2 & (1 << 25))
print (" aes");
if (features2 & (1 << 26))
print (" xsave");
if (features2 & (1 << 27))
print (" osxsave");
if (features2 & (1 << 28))
print (" avx");
}
if (is_amd && maxe >= 0x80000001)
if (maxe >= 0x80000001)
{
unsigned features;
cpuid (&unused, &unused, &features, &unused, 0x80000001);
@ -903,10 +947,36 @@ format_proc_cpuinfo (void *, char *&destbuf)
print (" lahf_lm");
if (features & (1 << 1))
print (" cmp_legacy");
if (features & (1 << 2))
print (" svm");
if (features & (1 << 4))
print (" cr8_legacy");
if (is_amd)
{
if (features & (1 << 2))
print (" svm");
if (features & (1 << 3))
print (" extapic");
if (features & (1 << 4))
print (" cr8_legacy");
if (features & (1 << 5))
print (" abm");
if (features & (1 << 6))
print (" sse4a");
if (features & (1 << 7))
print (" misalignsse");
if (features & (1 << 8))
print (" 3dnowprefetch");
if (features & (1 << 9))
print (" osvw");
}
if (features & (1 << 10))
print (" ibs");
if (is_amd)
{
if (features & (1 << 11))
print (" sse5");
if (features & (1 << 12))
print (" skinit");
if (features & (1 << 13))
print (" wdt");
}
}
print ("\n");
@ -955,6 +1025,10 @@ format_proc_cpuinfo (void *, char *&destbuf)
print (" tm");
if (features2 & (1 << 5))
print (" stc");
if (features2 & (1 << 6))
print (" 100mhzsteps");
if (features2 & (1 << 7))
print (" hwpstate");
}
}
else