diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/x86/common_x86_asm.S')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/x86/common_x86_asm.S | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/x86/common_x86_asm.S b/nx-X11/extras/Mesa/src/mesa/x86/common_x86_asm.S deleted file mode 100644 index 654b3469d..000000000 --- a/nx-X11/extras/Mesa/src/mesa/x86/common_x86_asm.S +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Check extended CPU capabilities. Now justs returns the raw CPUID - * feature information, allowing the higher level code to interpret the - * results. - * - * Written by Holger Waechtler <holger@akaflieg.extern.tu-berlin.de> - * - * Cleaned up and simplified by Gareth Hughes <gareth@valinux.com> - * - */ - -/* - * NOTE: Avoid using spaces in between '(' ')' and arguments, especially - * with macros like CONST, LLBL that expand to CONCAT(...). Putting spaces - * in there will break the build on some platforms. - */ - -#include "matypes.h" -#include "common_x86_features.h" - - SEG_TEXT - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_has_cpuid) -HIDDEN(_mesa_x86_has_cpuid) -GLNAME(_mesa_x86_has_cpuid): - - /* Test for the CPUID command. If the ID Flag bit in EFLAGS - * (bit 21) is writable, the CPUID command is present */ - PUSHF_L - POP_L (EAX) - MOV_L (EAX, ECX) - XOR_L (CONST(0x00200000), EAX) - PUSH_L (EAX) - POPF_L - PUSHF_L - POP_L (EAX) - - /* Verify the ID Flag bit has been written. */ - CMP_L (ECX, EAX) - SETNE (AL) - XOR_L (CONST(0xff), EAX) - - RET - - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_cpuid) -HIDDEN(_mesa_x86_cpuid) -GLNAME(_mesa_x86_cpuid): - - MOV_L (REGOFF(4, ESP), EAX) /* cpuid op */ - PUSH_L (EDI) - PUSH_L (EBX) - - CPUID - - MOV_L (REGOFF(16, ESP), EDI) /* *eax */ - MOV_L (EAX, REGIND(EDI)) - MOV_L (REGOFF(20, ESP), EDI) /* *ebx */ - MOV_L (EBX, REGIND(EDI)) - MOV_L (REGOFF(24, ESP), EDI) /* *ecx */ - MOV_L (ECX, REGIND(EDI)) - MOV_L (REGOFF(28, ESP), EDI) /* *edx */ - MOV_L (EDX, REGIND(EDI)) - - POP_L (EBX) - POP_L (EDI) - RET - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_cpuid_eax) -HIDDEN(_mesa_x86_cpuid_eax) -GLNAME(_mesa_x86_cpuid_eax): - - MOV_L (REGOFF(4, ESP), EAX) /* cpuid op */ - PUSH_L (EBX) - - CPUID - - POP_L (EBX) - RET - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_cpuid_ebx) -HIDDEN(_mesa_x86_cpuid_ebx) -GLNAME(_mesa_x86_cpuid_ebx): - - MOV_L (REGOFF(4, ESP), EAX) /* cpuid op */ - PUSH_L (EBX) - - CPUID - MOV_L (EBX, EAX) /* return EBX */ - - POP_L (EBX) - RET - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_cpuid_ecx) -HIDDEN(_mesa_x86_cpuid_ecx) -GLNAME(_mesa_x86_cpuid_ecx): - - MOV_L (REGOFF(4, ESP), EAX) /* cpuid op */ - PUSH_L (EBX) - - CPUID - MOV_L (ECX, EAX) /* return ECX */ - - POP_L (EBX) - RET - -ALIGNTEXT4 -GLOBL GLNAME(_mesa_x86_cpuid_edx) -HIDDEN(_mesa_x86_cpuid_edx) -GLNAME(_mesa_x86_cpuid_edx): - - MOV_L (REGOFF(4, ESP), EAX) /* cpuid op */ - PUSH_L (EBX) - - CPUID - MOV_L (EDX, EAX) /* return EDX */ - - POP_L (EBX) - RET - -#ifdef USE_SSE_ASM -/* Execute an SSE instruction to see if the operating system correctly - * supports SSE. A signal handler for SIGILL should have been set - * before calling this function, otherwise this could kill the client - * application. - * - * -----> !!!! ATTENTION DEVELOPERS !!!! <----- - * - * If you're debugging with gdb and you get stopped in this function, - * just type 'continue'! Execution will proceed normally. - * See freedesktop.org bug #1709 for more info. - */ -ALIGNTEXT4 -GLOBL GLNAME( _mesa_test_os_sse_support ) -HIDDEN(_mesa_test_os_sse_support) -GLNAME( _mesa_test_os_sse_support ): - - XORPS ( XMM0, XMM0 ) - - RET - - -/* Perform an SSE divide-by-zero to see if the operating system - * correctly supports unmasked SIMD FPU exceptions. Signal handlers for - * SIGILL and SIGFPE should have been set before calling this function, - * otherwise this could kill the client application. - */ -ALIGNTEXT4 -GLOBL GLNAME( _mesa_test_os_sse_exception_support ) -HIDDEN(_mesa_test_os_sse_exception_support) -GLNAME( _mesa_test_os_sse_exception_support ): - - PUSH_L ( EBP ) - MOV_L ( ESP, EBP ) - SUB_L ( CONST( 8 ), ESP ) - - /* Save the original MXCSR register value. - */ - STMXCSR ( REGOFF( -4, EBP ) ) - - /* Unmask the divide-by-zero exception and perform one. - */ - STMXCSR ( REGOFF( -8, EBP ) ) - AND_L ( CONST( 0xfffffdff ), REGOFF( -8, EBP ) ) - LDMXCSR ( REGOFF( -8, EBP ) ) - - XORPS ( XMM0, XMM0 ) - - PUSH_L ( CONST( 0x3f800000 ) ) - PUSH_L ( CONST( 0x3f800000 ) ) - PUSH_L ( CONST( 0x3f800000 ) ) - PUSH_L ( CONST( 0x3f800000 ) ) - - MOVUPS ( REGIND( ESP ), XMM1 ) - - DIVPS ( XMM0, XMM1 ) - - /* Restore the original MXCSR register value. - */ - LDMXCSR ( REGOFF( -4, EBP ) ) - - LEAVE - RET - -#endif - |