From 271a33443c6e9ce77eb1a06d8726c692da85ab16 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Mon, 15 Oct 2001 09:41:18 +0000
Subject: [PATCH]         * uname.cc (uname):  Use `wProcessorLevel' unless OS
 sets it wrong.         Use `dwProcessorType' then instead.         *
 wincap.cc: Set flag has_valid_processorlevel appropriately.         *
 wincap.h: Add flag has_valid_processorlevel.

---
 winsup/cygwin/ChangeLog |  7 +++++++
 winsup/cygwin/uname.cc  | 22 ++++++++++++++++------
 winsup/cygwin/wincap.cc | 11 +++++++++++
 winsup/cygwin/wincap.h  |  2 ++
 4 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index c2dda0be4..79b9b2e6a 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2001-10-15  Corinna Vinschen  <corinna@vinschen.de>
+
+	* uname.cc (uname):  Use `wProcessorLevel' unless OS sets it wrong.
+	Use `dwProcessorType' then instead.
+	* wincap.cc: Set flag has_valid_processorlevel appropriately.
+	* wincap.h: Add flag has_valid_processorlevel.
+
 2001-10-14  Christopher Faylor  <cgf@redhat.com>
 
 	* dtable.cc (dtable::build_fhandler_from_name): Use PC_FULL to
diff --git a/winsup/cygwin/uname.cc b/winsup/cygwin/uname.cc
index b73dc970f..80bd31991 100644
--- a/winsup/cygwin/uname.cc
+++ b/winsup/cygwin/uname.cc
@@ -57,13 +57,23 @@ uname (struct utsname *name)
     {
       case PROCESSOR_ARCHITECTURE_INTEL:
 	unsigned int ptype;
-	if (sysinfo.dwProcessorType < 3) /* Shouldn't happen. */
-	  ptype = 3;
-	else if (sysinfo.dwProcessorType > 9) /* P4 */
-	  ptype = 6;
+	if (wincap.has_valid_processorlevel ())
+	  {
+	    if (sysinfo.wProcessorLevel < 3) /* Shouldn't happen. */
+	      ptype = 3;
+	    else if (sysinfo.wProcessorLevel > 9) /* P4 */
+	      ptype = 6;
+	    else
+	      ptype = sysinfo.wProcessorLevel;
+	  }
 	else
-	  ptype = sysinfo.dwProcessorType;
-
+	  {
+	    if (sysinfo.dwProcessorType == PROCESSOR_INTEL_386 ||
+	        sysinfo.dwProcessorType == PROCESSOR_INTEL_486)
+	      ptype = sysinfo.dwProcessorType / 100;
+	    else
+	      ptype = PROCESSOR_INTEL_PENTIUM / 100;
+	  }
 	__small_sprintf (name->machine, "i%d86", ptype);
 	break;
       case PROCESSOR_ARCHITECTURE_ALPHA:
diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index 4026167ad..d0f9c6dff 100644
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -43,6 +43,7 @@ static NO_COPY wincaps wincap_unknown = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:false,
 };
 
 static NO_COPY wincaps wincap_95 = {
@@ -77,6 +78,7 @@ static NO_COPY wincaps wincap_95 = {
   has_negative_pids:true,
   has_unreliable_pipes:true,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:false,
 };
 
 static NO_COPY wincaps wincap_95osr2 = {
@@ -111,6 +113,7 @@ static NO_COPY wincaps wincap_95osr2 = {
   has_negative_pids:true,
   has_unreliable_pipes:true,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:false,
 };
 
 static NO_COPY wincaps wincap_98 = {
@@ -145,6 +148,7 @@ static NO_COPY wincaps wincap_98 = {
   has_negative_pids:true,
   has_unreliable_pipes:true,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_98se = {
@@ -179,6 +183,7 @@ static NO_COPY wincaps wincap_98se = {
   has_negative_pids:true,
   has_unreliable_pipes:true,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_me = {
@@ -213,6 +218,7 @@ static NO_COPY wincaps wincap_me = {
   has_negative_pids:true,
   has_unreliable_pipes:true,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_nt3 = {
@@ -247,6 +253,7 @@ static NO_COPY wincaps wincap_nt3 = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:false,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_nt4 = {
@@ -281,6 +288,7 @@ static NO_COPY wincaps wincap_nt4 = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:true,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_nt4sp4 = {
@@ -315,6 +323,7 @@ static NO_COPY wincaps wincap_nt4sp4 = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:true,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_2000 = {
@@ -349,6 +358,7 @@ static NO_COPY wincaps wincap_2000 = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:true,
+  has_valid_processorlevel:true,
 };
 
 static NO_COPY wincaps wincap_xp = {
@@ -383,6 +393,7 @@ static NO_COPY wincaps wincap_xp = {
   has_negative_pids:false,
   has_unreliable_pipes:false,
   has_try_enter_critical_section:true,
+  has_valid_processorlevel:true,
 };
 
 wincapc NO_COPY wincap;
diff --git a/winsup/cygwin/wincap.h b/winsup/cygwin/wincap.h
index 038947636..2bb391454 100644
--- a/winsup/cygwin/wincap.h
+++ b/winsup/cygwin/wincap.h
@@ -44,6 +44,7 @@ struct wincaps
   unsigned has_negative_pids                            : 1;
   unsigned has_unreliable_pipes                         : 1;
   unsigned has_try_enter_critical_section		: 1;
+  unsigned has_valid_processorlevel			: 1;
 };
 
 class wincapc
@@ -92,6 +93,7 @@ public:
   bool  IMPLEMENT (has_negative_pids)
   bool  IMPLEMENT (has_unreliable_pipes)
   bool  IMPLEMENT (has_try_enter_critical_section)
+  bool  IMPLEMENT (has_valid_processorlevel)
 
 #undef IMPLEMENT
 };