OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Sparc optimized GLAPI dispatch table.

Browse Source
This commit is contained in:
davem69
2001-06-05 23:54:00 +00:00
parent 0fab0702b0
commit 775355a88a
9 changed files with 1511 additions and 1414 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/mesa/glapi/glapi.c
View File

@@ -1,4 +1,4 @@
/* $Id: glapi.c,v 1.54 2001/05/29 15:23:49 brianp Exp $ */
/* $Id: glapi.c,v 1.55 2001/06/05 23:54:00 davem69 Exp $ */
/*
* Mesa 3-D graphics library
@@ -52,7 +52,9 @@
#include "glapitable.h"
#include "glthread.h"
#ifdef USE_SPARC_ASM
#include "SPARC/sparc.h"
#endif
/***** BEGIN NO-OP DISPATCH *****/
@@ -1754,6 +1756,55 @@ generate_entrypoint(GLuint functionOffset)
*(unsigned int *)(code + 0x16) = (unsigned int)functionOffset * 4;
}
return code;
#elif defined(USE_SPARC_ASM)
#ifdef __sparc_v9__
static const unsigned int insn_template[] = {
0x05000000, /* sethi %uhi(_glapi_Dispatch), %g2 */
0x03000000, /* sethi %hi(_glapi_Dispatch), %g1 */
0x8410a000, /* or %g2, %ulo(_glapi_Dispatch), %g2 */
0x82106000, /* or %g1, %lo(_glapi_Dispatch), %g1 */
0x8528b020, /* sllx %g2, 32, %g2 */
0xc2584002, /* ldx [%g1 + %g2], %g1 */
0x05000000, /* sethi %hi(8 * glapioffset), %g2 */
0x8410a000, /* or %g2, %lo(8 * glapioffset), %g2 */
0xc6584002, /* ldx [%g1 + %g2], %g3 */
0x81c0c000, /* jmpl %g3, %g0 */
0x01000000 /* nop */
};
#else
static const unsigned int insn_template[] = {
0x03000000, /* sethi %hi(_glapi_Dispatch), %g1 */
0xc2006000, /* ld [%g1 + %lo(_glapi_Dispatch)], %g1 */
0xc6006000, /* ld [%g1 + %lo(4*glapioffset)], %g3 */
0x81c0c000, /* jmpl %g3, %g0 */
0x01000000 /* nop */
};
#endif
unsigned int *code = malloc(sizeof(insn_template));
unsigned long glapi_addr = (unsigned long) &_glapi_Dispatch;
if (code) {
memcpy(code, insn_template, sizeof(insn_template));
#ifdef __sparc_v9__
code[0] |= (glapi_addr >> (32 + 10));
code[1] |= ((glapi_addr & 0xffffffff) >> 10);
_mesa_sparc_icache_flush(&code[0]);
code[2] |= ((glapi_addr >> 32) & ((1 << 10) - 1));
code[3] |= (glapi_addr & ((1 << 10) - 1));
_mesa_sparc_icache_flush(&code[2]);
code[6] |= ((functionOffset * 8) >> 10);
code[7] |= ((functionOffset * 8) & ((1 << 10) - 1));
_mesa_sparc_icache_flush(&code[6]);
#else
code[0] |= (glapi_addr >> 10);
code[1] |= (glapi_addr & ((1 << 10) - 1));
_mesa_sparc_icache_flush(&code[0]);
code[2] |= (functionOffset * 4);
_mesa_sparc_icache_flush(&code[2]);
#endif
}
return code;
#else
return NULL;
#endif