Sparc optimized GLAPI dispatch table.
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c
index b2a1013..e988755 100644
--- a/src/mesa/glapi/glapi.c
+++ b/src/mesa/glapi/glapi.c
@@ -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 @@
*(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