wrapped rdtsc and added x64 support

[lcore.git] / lcorernd.pas

diff --git a/lcorernd.pas b/lcorernd.pas
index 673860fed0eb25d52205e6500f21523828b525c5..3a8ea0c993b280d0cefc63024a5367a31c317922 100644 (file)
--- a/lcorernd.pas
+++ b/lcorernd.pas
@@ -111,7 +111,7 @@ function randominteger(i:longint):longint;
 function randombits(b:integer):longint;\r
 \r
 {generate a version 4 random uuid}\r
-function generate_uuid:string;\r
+function generate_uuid:ansistring;\r
 \r
 {$ifndef nolcorernd}\r
 \r
@@ -130,9 +130,11 @@ var
 \r
 implementation\r
 \r
+{$include pgtypes.inc}\r
+\r
 {$ifndef nolcorernd}\r
 uses\r
-  {$ifdef win32}windows,activex,{$endif}\r
+  {$ifdef mswindows}windows,activex,{$endif}\r
   {$ifdef unix}\r
     {$ifdef ver1_0}\r
       linux,\r
@@ -144,6 +146,23 @@ uses
 \r
 {$ifdef unix}{$include unixstuff.inc}{$endif}\r
 \r
+procedure rdtsc(buf: pointer);\r
+asm\r
+  {$ifdef cpux86}\r
+  mov ecx, buf\r
+  db $0f; db $31 {rdtsc}\r
+  mov [ecx], edx\r
+  mov [ecx+4], eax\r
+  {$endif}\r
+\r
+  {$ifdef cpux64}\r
+  mov rcx, buf\r
+  rdtsc\r
+  mov [rcx], edx\r
+  mov [rcx+4], eax\r
+  {$endif}\r
+end;\r
+\r
 type\r
   {hashtype must be array of bytes}\r
   hashtype=tmd5;\r
@@ -165,7 +184,7 @@ var
   pool:array[0..(pooldwords+seeddwords-1)] of wordtype;\r
   reseedcountdown:integer;\r
 \r
-{$ifdef win32}\r
+{$ifdef mswindows}\r
 function collect_seeding(var output;const bufsize:integer):integer;\r
 var\r
   l:packed record\r
@@ -178,7 +197,6 @@ var
     cursor:tpoint;\r
     hs:theapstatus;\r
   end absolute output;\r
-  rdtsc_0,rdtsc_1:integer;\r
 begin\r
   result := 0;\r
   if (bufsize < sizeof(l)) then exit;\r
@@ -194,15 +212,8 @@ begin
   queryperformancecounter(tlargeinteger(l.qpcbuf));\r
 \r
   {RDTSC}\r
-  {$ifdef cpu386}\r
-  asm\r
-    db $0F; db $31\r
-    mov rdtsc_0,eax\r
-    mov rdtsc_1,edx\r
-  end;\r
-  l.rdtscbuf[0] := rdtsc_0;\r
-  l.rdtscbuf[1] := rdtsc_1;\r
-  {$endif}\r
+  rdtsc(@l.rdtscbuf);\r
+\r
   {GETSYSTEMTIME}\r
   getsystemtime(tsystemtime(l.systemtimebuf));\r
 \r
@@ -253,7 +264,6 @@ var
     tv:ttimeval;\r
     pid:integer;\r
   end absolute output;\r
-  rdtsc_0,rdtsc_1:integer;\r
 \r
 begin\r
   result := 0;\r
@@ -280,15 +290,7 @@ begin
     move(wtmpcached,l.devrnd,sizeof(l.devrnd));\r
   end;\r
   {get more randomness in case there's no /dev/random}\r
-  {$ifdef cpu386}{$ASMMODE intel}\r
-  asm\r
-    db $0F; db $31\r
-    mov rdtsc_0,eax\r
-    mov rdtsc_1,edx\r
-  end;\r
-  l.rdtscbuf[0] := rdtsc_0;\r
-  l.rdtscbuf[1] := rdtsc_1;\r
-  {$endif}\r
+  rdtsc(@l.rdtscbuf);\r
 \r
   gettimeofday(l.tv);\r
   l.pid := getpid;\r
@@ -402,12 +404,12 @@ begin
 end;\r
 \r
 const\r
-  ch:array[0..15] of char='0123456789abcdef';\r
+  ch:array[0..15] of ansichar='0123456789abcdef';\r
 \r
-function generate_uuid:string;\r
+function generate_uuid:ansistring;\r
 var\r
   buf:array[0..7] of word;\r
-function inttohex(w:word):string;\r
+function inttohex(w:word):ansistring;\r
 begin\r
   result := ch[w shr 12] + ch[(w shr 8) and $f] + ch[(w shr 4) and $f] + ch[w and $f];\r
 end;\r