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-rw-r--r--src/mesa/glapi/glapi.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c
index 9b5144a88b6..2b105d0f17d 100644
--- a/src/mesa/glapi/glapi.c
+++ b/src/mesa/glapi/glapi.c
@@ -61,6 +61,8 @@
#endif
+#include "main/compiler.h"
+
#include <stdlib.h>
#include <string.h>
#ifdef DEBUG
@@ -316,6 +318,14 @@ extern const GLubyte gl_dispatch_functions_start[];
# endif
#endif
+#ifdef USE_SPARC_ASM
+#ifdef GLX_USE_TLS
+extern unsigned int __glapi_sparc_tls_stub;
+#else
+extern unsigned int __glapi_sparc_pthread_stub;
+#endif
+#endif
+
#if !defined(DISPATCH_FUNCTION_SIZE) && !defined(XFree86Server) && !defined(XGLServer)
# define NEED_FUNCTION_POINTER
#endif
@@ -342,6 +352,129 @@ init_glapi_relocs( void )
curr_func += DISPATCH_FUNCTION_SIZE;
}
#endif
+#ifdef USE_SPARC_ASM
+ extern void __glapi_sparc_icache_flush(unsigned int *);
+ static const unsigned int template[] = {
+#ifdef GLX_USE_TLS
+ 0x05000000, /* sethi %hi(_glapi_tls_Dispatch), %g2 */
+ 0x8730e00a, /* srl %g3, 10, %g3 */
+ 0x8410a000, /* or %g2, %lo(_glapi_tls_Dispatch), %g2 */
+#ifdef __arch64__
+ 0xc259c002, /* ldx [%g7 + %g2], %g1 */
+ 0xc2584003, /* ldx [%g1 + %g3], %g1 */
+#else
+ 0xc201c002, /* ld [%g7 + %g2], %g1 */
+ 0xc2004003, /* ld [%g1 + %g3], %g1 */
+#endif
+ 0x81c04000, /* jmp %g1 */
+ 0x01000000, /* nop */
+#else
+#ifdef __arch64__
+ 0x03000000, /* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */
+ 0x05000000, /* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */
+ 0x82106000, /* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */
+ 0x8730e00a, /* 64-bit 0x0c --> srl %g3, 10, %g3 */
+ 0x83287020, /* 64-bit 0x10 --> sllx %g1, 32, %g1 */
+ 0x82004002, /* 64-bit 0x14 --> add %g1, %g2, %g1 */
+ 0xc2586000, /* 64-bit 0x18 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */
+#else
+ 0x03000000, /* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */
+ 0x8730e00a, /* 32-bit 0x04 --> srl %g3, 10, %g3 */
+ 0xc2006000, /* 32-bit 0x08 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */
+#endif
+ 0x80a06000, /* --> cmp %g1, 0 */
+ 0x02800005, /* --> be +4*5 */
+ 0x01000000, /* --> nop */
+#ifdef __arch64__
+ 0xc2584003, /* 64-bit --> ldx [%g1 + %g3], %g1 */
+#else
+ 0xc2004003, /* 32-bit --> ld [%g1 + %g3], %g1 */
+#endif
+ 0x81c04000, /* --> jmp %g1 */
+ 0x01000000, /* --> nop */
+#ifdef __arch64__
+ 0x9de3bf80, /* 64-bit --> save %sp, -128, %sp */
+#else
+ 0x9de3bfc0, /* 32-bit --> save %sp, -64, %sp */
+#endif
+ 0xa0100003, /* --> mov %g3, %l0 */
+ 0x40000000, /* --> call _glapi_get_dispatch */
+ 0x01000000, /* --> nop */
+ 0x82100008, /* --> mov %o0, %g1 */
+ 0x86100010, /* --> mov %l0, %g3 */
+ 0x10bffff7, /* --> ba -4*9 */
+ 0x81e80000, /* --> restore */
+#endif
+ };
+#ifdef GLX_USE_TLS
+ extern unsigned long __glapi_sparc_get_dispatch(void);
+ unsigned int *code = &__glapi_sparc_tls_stub;
+ unsigned long dispatch = __glapi_sparc_get_dispatch();
+#else
+ unsigned int *code = &__glapi_sparc_pthread_stub;
+ unsigned long dispatch = (unsigned long) &_glapi_Dispatch;
+ unsigned long call_dest = (unsigned long ) &_glapi_get_dispatch;
+ int idx;
+#endif
+
+#if defined(GLX_USE_TLS)
+ code[0] = template[0] | (dispatch >> 10);
+ code[1] = template[1];
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | (dispatch & 0x3ff);
+ code[3] = template[3];
+ __glapi_sparc_icache_flush(&code[2]);
+ code[4] = template[4];
+ code[5] = template[5];
+ __glapi_sparc_icache_flush(&code[4]);
+ code[6] = template[6];
+ __glapi_sparc_icache_flush(&code[6]);
+#else
+#if defined(__arch64__)
+ code[0] = template[0] | (dispatch >> (32 + 10));
+ code[1] = template[1] | ((dispatch & 0xffffffff) >> 10);
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | ((dispatch >> 32) & 0x3ff);
+ code[3] = template[3];
+ __glapi_sparc_icache_flush(&code[2]);
+ code[4] = template[4];
+ code[5] = template[5];
+ __glapi_sparc_icache_flush(&code[4]);
+ code[6] = template[6] | (dispatch & 0x3ff);
+ idx = 7;
+#else
+ code[0] = template[0] | (dispatch >> 10);
+ code[1] = template[1];
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | (dispatch & 0x3ff);
+ idx = 3;
+#endif
+ code[idx + 0] = template[idx + 0];
+ __glapi_sparc_icache_flush(&code[idx - 1]);
+ code[idx + 1] = template[idx + 1];
+ code[idx + 2] = template[idx + 2];
+ __glapi_sparc_icache_flush(&code[idx + 1]);
+ code[idx + 3] = template[idx + 3];
+ code[idx + 4] = template[idx + 4];
+ __glapi_sparc_icache_flush(&code[idx + 3]);
+ code[idx + 5] = template[idx + 5];
+ code[idx + 6] = template[idx + 6];
+ __glapi_sparc_icache_flush(&code[idx + 5]);
+ code[idx + 7] = template[idx + 7];
+ code[idx + 8] = template[idx + 8] |
+ (((call_dest - ((unsigned long) &code[idx + 8]))
+ >> 2) & 0x3fffffff);
+ __glapi_sparc_icache_flush(&code[idx + 7]);
+ code[idx + 9] = template[idx + 9];
+ code[idx + 10] = template[idx + 10];
+ __glapi_sparc_icache_flush(&code[idx + 9]);
+ code[idx + 11] = template[idx + 11];
+ code[idx + 12] = template[idx + 12];
+ __glapi_sparc_icache_flush(&code[idx + 11]);
+ code[idx + 13] = template[idx + 13];
+ __glapi_sparc_icache_flush(&code[idx + 13]);
+#endif
+#endif
}
#endif /* defined(PTHREADS) || defined(GLX_USE_TLS) */