diff --git a/include/bothdefs.h b/include/bothdefs.h index 50dc7ea..e9b4117 100644 --- a/include/bothdefs.h +++ b/include/bothdefs.h @@ -25,16 +25,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #define LINUX_VERSION 0.98 -#if (defined(_M_IX86) || defined(__i386__)) && !defined(id386) -#define id386 1 -#else -#define id386 0 -#endif - -#ifdef SERVERONLY // no asm in dedicated server -#undef id386 -#endif - #if id386 #define UNALIGNED_OK 1 // set to 0 if unaligned accesses are not supported #else diff --git a/include/quakeasm.h b/include/quakeasm.h index 1ceadda..a243d62 100644 --- a/include/quakeasm.h +++ b/include/quakeasm.h @@ -25,12 +25,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #define __i386__ 1 #endif -#ifdef __i386__ -#define id386 1 -#else -#define id386 0 -#endif - // !!! must be kept the same as in d_iface.h !!! #define TRANSPARENT_COLOR 255 diff --git a/source/.gitignore b/source/.gitignore new file mode 100644 index 0000000..808f457 --- /dev/null +++ b/source/.gitignore @@ -0,0 +1,3 @@ +*.d +*.o +qw-server diff --git a/source/Makefile b/source/Makefile index 8790672..7d762d5 100644 --- a/source/Makefile +++ b/source/Makefile @@ -6,7 +6,7 @@ EXE_libs= DIRECTORIES= vpath %.a $(patsubst @%,%,$(DIRECTORIES)) /usr/lib -CPPFLAGS=-I . -I ../include -MMD +CPPFLAGS=-I . -I ../include -Did386 -Dstricmp=strcasecmp -MMD -DSERVERONLY CFLAGS=-Wall #-Werror CXXFLAGS=-Wall #-Werror LDFLAGS= @@ -36,6 +36,7 @@ EXE_sources=\ sv_user.c \ sv_ccmds.c \ world.c \ + worlda.S \ sys_unix.c \ model.c \ cmd.c \ diff --git a/source/worlda.S b/source/worlda.S new file mode 100644 index 0000000..786923f --- /dev/null +++ b/source/worlda.S @@ -0,0 +1,124 @@ +// +// worlda.s +// x86 assembly-language server testing stuff +// + +#include "asm_i386.h" +#include "quakeasm.h" +//include "d_ifacea.h" + +#if id386 + + .data + +Ltemp: .long 0 + + .text + +//---------------------------------------------------------------------- +// hull-point test +//---------------------------------------------------------------------- + +#define hull 4+8 // because only partially pushed +#define num 8+4 // because only partially pushed +#define p 12+12 // because only partially pushed + + .align 4 +.globl C(SV_HullPointContents) +C(SV_HullPointContents): + pushl %edi // preserve register variables + movl num(%esp),%eax + testl %eax,%eax + js Lhquickout + +// float d; +// dclipnode_t *node; +// mplane_t *plane; + + pushl %ebx + movl hull(%esp),%ebx + + pushl %ebp + movl p(%esp),%edx + + movl hu_clipnodes(%ebx),%edi + movl hu_planes(%ebx),%ebp + + subl %ebx,%ebx + pushl %esi + +// %ebx: 0 +// %eax: num +// %edx: p +// %edi: hull->clipnodes +// %ebp: hull->planes + +// while (num >= 0) +// { + +Lhloop: + +// node = hull->clipnodes + num; +// plane = hull->planes + node->planenum; +// !!! if the size of dclipnode_t changes, the scaling of %eax needs to be +// changed !!! + movl nd_planenum(%edi,%eax,8),%ecx + movl nd_children(%edi,%eax,8),%eax + movl %eax,%esi + rorl $16,%eax + leal (%ecx,%ecx,4),%ecx + +// if (plane->type < 3) +// d = p[plane->type] - plane->dist; + movb pl_type(%ebp,%ecx,4),%bl + cmpb $3,%bl + jb Lnodot + +// else +// d = DotProduct (plane->normal, p) - plane->dist; + flds pl_normal(%ebp,%ecx,4) + fmuls 0(%edx) + flds pl_normal+4(%ebp,%ecx,4) + fmuls 4(%edx) + flds pl_normal+8(%ebp,%ecx,4) + fmuls 8(%edx) + fxch %st(1) + faddp %st(0),%st(2) + faddp %st(0),%st(1) + fsubs pl_dist(%ebp,%ecx,4) + jmp Lsub + +Lnodot: + flds pl_dist(%ebp,%ecx,4) + fsubrs (%edx,%ebx,4) + +Lsub: + sarl $16,%eax + sarl $16,%esi + +// if (d < 0) +// num = node->children[1]; +// else +// num = node->children[0]; + fstps Ltemp + movl Ltemp,%ecx + sarl $31,%ecx + andl %ecx,%esi + xorl $0xFFFFFFFF,%ecx + andl %ecx,%eax + orl %esi,%eax + jns Lhloop + +// return num; +Lhdone: + popl %esi + popl %ebp + popl %ebx // restore register variables + +Lhquickout: + popl %edi + + ret + +#endif // id386 +