mirror of
https://github.com/UberGames/ioef.git
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* Tidied up the makefile, mostly for whitespace
* Removed the q3static target * Ported the nasm asm to gas asm, thus removing the nasm dependancy
This commit is contained in:
Tim Angus
parent
fcaf343d7f
commit
fa9b864abe
5 changed files with 1200 additions and 1766 deletions
2455
code/unix/Makefile
2455
code/unix/Makefile
File diff suppressed because it is too large
Load diff
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@ -1,151 +0,0 @@
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;===========================================================================
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;Copyright (C) 1999-2005 Id Software, Inc.
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;
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;This file is part of Quake III Arena source code.
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;
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;Quake III Arena source code is free software; you can redistribute it
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;and/or modify it under the terms of the GNU General Public License as
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;published by the Free Software Foundation; either version 2 of the License,
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;or (at your option) any later version.
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;
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;Quake III Arena source code is distributed in the hope that it will be
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;useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;GNU General Public License for more details.
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;
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;You should have received a copy of the GNU General Public License
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;along with Foobar; if not, write to the Free Software
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;Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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;===========================================================================
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;
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; qftol -- fast floating point to long conversion.
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;
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segment .data
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temp dd 0.0
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fpucw dd 0
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; Precision Control Field , 2 bits / 0x0300
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; PC24 0x0000 Single precision (24 bits).
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; PC53 0x0200 Double precision (53 bits).
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; PC64 0x0300 Extended precision (64 bits).
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; Rounding Control Field, 2 bits / 0x0C00
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; RCN 0x0000 Rounding to nearest (even).
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; RCD 0x0400 Rounding down (directed, minus).
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; RCU 0x0800 Rounding up (directed plus).
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; RC0 0x0C00 Rounding towards zero (chop mode).
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; rounding towards nearest (even)
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cw027F dd 0x027F ; double precision
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cw037F dd 0x037F ; extended precision
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; rounding towards zero (chop mode)
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cw0E7F dd 0x0E7F ; double precision
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cw0F7F dd 0x0F7F ; extended precision
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segment .text
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;
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; int qftol( void ) - default control word
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;
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global qftol
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qftol:
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fistp dword [temp]
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mov eax, [temp]
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ret
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;
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; int qftol027F( void ) - DirectX FPU
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;
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global qftol027F
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qftol027F:
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fnstcw [fpucw]
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fldcw [cw027F]
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fistp dword [temp]
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fldcw [fpucw]
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mov eax, [temp]
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ret
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;
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; int qftol037F( void ) - Linux FPU
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;
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global qftol037F
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qftol037F:
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fnstcw [fpucw]
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fldcw [cw037F]
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fistp dword [temp]
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fldcw [fpucw]
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mov eax, [temp]
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ret
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;
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; int qftol0F7F( void ) - ANSI
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;
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global qftol0F7F
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qftol0F7F:
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fnstcw [fpucw]
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fldcw [cw0F7F]
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fistp dword [temp]
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fldcw [fpucw]
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mov eax, [temp]
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ret
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;
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; int qftol0E7F( void )
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;
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global qftol0E7F
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qftol0E7F:
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fnstcw [fpucw]
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fldcw [cw0E7F]
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fistp dword [temp]
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fldcw [fpucw]
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mov eax, [temp]
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ret
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;
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; long Q_ftol( float q )
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;
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global Q_ftol
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Q_ftol:
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fld dword [esp+4]
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fistp dword [temp]
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mov eax, [temp]
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ret
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;
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; long qftol0F7F( float q ) - Linux FPU
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;
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global Q_ftol0F7F
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Q_ftol0F7F:
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fnstcw [fpucw]
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fld dword [esp+4]
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fldcw [cw0F7F]
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fistp dword [temp]
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fldcw [fpucw]
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mov eax, [temp]
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ret
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161
code/unix/ftola.s
Normal file
161
code/unix/ftola.s
Normal file
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@ -0,0 +1,161 @@
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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//
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// qftol -- fast floating point to long conversion.
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//
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// 23/09/05 Ported to gas by intel2gas, best supporting actor Tim Angus
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// <tim@ngus.net>
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#define GLQUAKE 1 // don't include unneeded defs
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#include "qasm.h"
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#ifdef id386
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.data
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temp: .float 0.0
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fpucw: .long 0
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// Precision Control Field , 2 bits / 0x0300
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// PC24 0x0000 Single precision (24 bits).
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// PC53 0x0200 Double precision (53 bits).
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// PC64 0x0300 Extended precision (64 bits).
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// Rounding Control Field, 2 bits / 0x0C00
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// RCN 0x0000 Rounding to nearest (even).
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// RCD 0x0400 Rounding down (directed, minus).
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// RCU 0x0800 Rounding up (directed plus).
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// RC0 0x0C00 Rounding towards zero (chop mode).
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// rounding towards nearest (even)
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cw027F: .long 0x027F
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cw037F: .long 0x037F
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// rounding towards zero (chop mode)
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cw0E7F: .long 0x0E7F
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cw0F7F: .long 0x0F7F
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.text
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//
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// int qftol( void ) - default control word
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//
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.global C(qftol)
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C(qftol):
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fistpl temp
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movl temp,%eax
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ret
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//
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// int qftol027F( void ) - DirectX FPU
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//
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.global C(qftol027F)
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C(qftol027F):
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fnstcw fpucw
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fldcw cw027F
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fistpl temp
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fldcw fpucw
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movl temp,%eax
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ret
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//
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// int qftol037F( void ) - Linux FPU
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//
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.global C(qftol037F)
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C(qftol037F):
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fnstcw fpucw
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fldcw cw037F
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fistpl temp
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fldcw fpucw
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movl temp,%eax
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ret
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//
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// int qftol0F7F( void ) - ANSI
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//
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.global C(qftol0F7F)
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C(qftol0F7F):
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fnstcw fpucw
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fldcw cw0F7F
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fistpl temp
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fldcw fpucw
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movl temp,%eax
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ret
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//
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// int qftol0E7F( void )
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//
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.global C(qftol0E7F)
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C(qftol0E7F):
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fnstcw fpucw
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fldcw cw0E7F
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fistpl temp
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fldcw fpucw
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movl temp,%eax
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ret
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//
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// long Q_ftol( float q )
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//
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.global C(Q_ftol)
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C(Q_ftol):
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flds 4(%esp)
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fistpl temp
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movl temp,%eax
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ret
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//
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// long qftol0F7F( float q ) - Linux FPU
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//
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.global C(Q_ftol0F7F)
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C(Q_ftol0F7F):
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fnstcw fpucw
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flds 4(%esp)
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fldcw cw0F7F
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fistpl temp
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fldcw fpucw
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movl temp,%eax
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ret
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#endif
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@ -1,95 +0,0 @@
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;===========================================================================
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;Copyright (C) 1999-2005 Id Software, Inc.
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;
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;This file is part of Quake III Arena source code.
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;
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;Quake III Arena source code is free software; you can redistribute it
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;and/or modify it under the terms of the GNU General Public License as
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;published by the Free Software Foundation; either version 2 of the License,
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;or (at your option) any later version.
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;
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;Quake III Arena source code is distributed in the hope that it will be
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;useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;GNU General Public License for more details.
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;
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;You should have received a copy of the GNU General Public License
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;along with Foobar; if not, write to the Free Software
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;Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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;===========================================================================
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;
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; Sys_SnapVector NASM code (Andrew Henderson)
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; See win32/win_shared.c for the Win32 equivalent
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; This code is provided to ensure that the
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; rounding behavior (and, if necessary, the
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; precision) of DLL and QVM code are identical
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; e.g. for network-visible operations.
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; See ftol.nasm for operations on a single float,
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; as used in compiled VM and DLL code that does
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; not use this system trap.
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;
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segment .data
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fpucw dd 0
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cw037F dd 0x037F ; Rounding to nearest (even).
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segment .text
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; void Sys_SnapVector( float *v )
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global Sys_SnapVector
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Sys_SnapVector:
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push eax
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push ebp
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mov ebp, esp
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fnstcw [fpucw]
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mov eax, dword [ebp + 12]
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fldcw [cw037F]
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fld dword [eax]
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fistp dword [eax]
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fild dword [eax]
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fstp dword [eax]
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fld dword [eax + 4]
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fistp dword [eax + 4]
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fild dword [eax + 4]
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fstp dword [eax + 4]
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fld dword [eax + 8]
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fistp dword [eax + 8]
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fild dword [eax + 8]
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fstp dword [eax + 8]
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fldcw [fpucw]
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pop ebp
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pop eax
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ret
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; void Sys_SnapVectorCW( float *v, unsigned short int cw )
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global Sys_SnapVectorCW
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Sys_SnapVector_cw:
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push eax
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push ebp
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mov ebp, esp
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fnstcw [fpucw]
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mov eax, dword [ebp + 12]
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fldcw [ebp + 16]
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fld dword [eax]
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fistp dword [eax]
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fild dword [eax]
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fstp dword [eax]
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fld dword [eax + 4]
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fistp dword [eax + 4]
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fild dword [eax + 4]
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fstp dword [eax + 4]
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fld dword [eax + 8]
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fistp dword [eax + 8]
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fild dword [eax + 8]
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fstp dword [eax + 8]
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fldcw [fpucw]
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pop ebp
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pop eax
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ret
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104
code/unix/snapvectora.s
Normal file
104
code/unix/snapvectora.s
Normal file
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@ -0,0 +1,104 @@
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
|
||||
|
||||
This file is part of Quake III Arena source code.
|
||||
|
||||
Quake III Arena source code is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
Quake III Arena source code is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Foobar; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
===========================================================================
|
||||
*/
|
||||
|
||||
//
|
||||
// Sys_SnapVector NASM code (Andrew Henderson)
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// See win32/win_shared.c for the Win32 equivalent
|
||||
// This code is provided to ensure that the
|
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// rounding behavior (and, if necessary, the
|
||||
// precision) of DLL and QVM code are identical
|
||||
// e.g. for network-visible operations.
|
||||
// See ftol.nasm for operations on a single float,
|
||||
// as used in compiled VM and DLL code that does
|
||||
// not use this system trap.
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||||
//
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||||
|
||||
// 23/09/05 Ported to gas by intel2gas, best supporting actor Tim Angus
|
||||
// <tim@ngus.net>
|
||||
|
||||
#define GLQUAKE 1 // don't include unneeded defs
|
||||
#include "qasm.h"
|
||||
|
||||
#ifdef id386
|
||||
.data
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||||
|
||||
fpucw: .long 0
|
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cw037F: .long 0x037F
|
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|
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.text
|
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|
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// void Sys_SnapVector( float *v )
|
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.global C(Sys_SnapVector)
|
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C(Sys_SnapVector):
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pushl %eax
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pushl %ebp
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movl %esp,%ebp
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fnstcw fpucw
|
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movl 12(%ebp),%eax
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fldcw cw037F
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flds (%eax)
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fistpl (%eax)
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fildl (%eax)
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fstps (%eax)
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flds 4(%eax)
|
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fistpl 4(%eax)
|
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fildl 4(%eax)
|
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fstps 4(%eax)
|
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flds 8(%eax)
|
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fistpl 8(%eax)
|
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fildl 8(%eax)
|
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fstps 8(%eax)
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||||
fldcw fpucw
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|
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popl %ebp
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popl %eax
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ret
|
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|
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// void Sys_SnapVectorCW( float *v, unsigned short int cw )
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.global C(Sys_SnapVectorCW)
|
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C(Sys_SnapVector_cw):
|
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pushl %eax
|
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pushl %ebp
|
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movl %esp,%ebp
|
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|
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fnstcw fpucw
|
||||
movl 12(%ebp),%eax
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fldcw 16(%ebp)
|
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flds (%eax)
|
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fistpl (%eax)
|
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fildl (%eax)
|
||||
fstps (%eax)
|
||||
flds 4(%eax)
|
||||
fistpl 4(%eax)
|
||||
fildl 4(%eax)
|
||||
fstps 4(%eax)
|
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flds 8(%eax)
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fistpl 8(%eax)
|
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fildl 8(%eax)
|
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fstps 8(%eax)
|
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fldcw fpucw
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popl %ebp
|
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popl %eax
|
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ret
|
||||
#endif
|
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