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-rw-r--r--volk/gen/make_cpuid_c.py283
1 files changed, 0 insertions, 283 deletions
diff --git a/volk/gen/make_cpuid_c.py b/volk/gen/make_cpuid_c.py
deleted file mode 100644
index 005fc2b19..000000000
--- a/volk/gen/make_cpuid_c.py
+++ /dev/null
@@ -1,283 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2011 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-from xml.dom import minidom
-
-HEADER_TEMPL = """\
-/*this file is auto_generated by volk_register.py*/
-
-#include <volk/volk_cpu.h>
-#include <volk/volk_config_fixed.h>
-
-struct VOLK_CPU volk_cpu;
-
-#if defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(_M_X64)
-# define VOLK_CPU_x86
-#endif
-
-#if defined(VOLK_CPU_x86)
-
-//implement get cpuid for gcc compilers using a copy of cpuid.h
-#if defined(__GNUC__)
-#include <gcc_x86_cpuid.h>
-#define cpuid_x86(op, r) __get_cpuid(op, (unsigned int *)r+0, (unsigned int *)r+1, (unsigned int *)r+2, (unsigned int *)r+3)
-
- /* Return Intel AVX extended CPU capabilities register.
- * This function will bomb on non-AVX-capable machines, so
- * check for AVX capability before executing.
- */
- #if __GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4
- static inline unsigned long long _xgetbv(unsigned int index){
- unsigned int eax, edx;
- __asm__ __volatile__("xgetbv" : "=a"(eax), "=d"(edx) : "c"(index));
- return ((unsigned long long)edx << 32) | eax;
- }
- #define __xgetbv() _xgetbv(0)
- #else
- #define __xgetbv() 0
- #endif
-
-//implement get cpuid for MSVC compilers using __cpuid intrinsic
-#elif defined(_MSC_VER)
-#include <intrin.h>
-#define cpuid_x86(op, r) __cpuid(r, op)
-
- #if defined(_XCR_XFEATURE_ENABLED_MASK)
- #define __xgetbv() _xgetbv(_XCR_XFEATURE_ENABLED_MASK)
- #else
- #define __xgetbv() 0
- #endif
-
-#else
-#error "A get cpuid for volk is not available on this compiler..."
-#endif
-
-static inline unsigned int cpuid_eax(unsigned int op) {
- int regs[4];
- cpuid_x86 (op, regs);
- return regs[0];
-}
-
-static inline unsigned int cpuid_ebx(unsigned int op) {
- int regs[4];
- cpuid_x86 (op, regs);
- return regs[1];
-}
-
-static inline unsigned int cpuid_ecx(unsigned int op) {
- int regs[4];
- cpuid_x86 (op, regs);
- return regs[2];
-}
-
-static inline unsigned int cpuid_edx(unsigned int op) {
- int regs[4];
- cpuid_x86 (op, regs);
- return regs[3];
-}
-
-static inline unsigned int xgetbv(void) {
- //check to make sure that xgetbv is enabled in OS
- int xgetbv_enabled = cpuid_ecx(1) >> 27 & 0x01;
- if(xgetbv_enabled == 0) return 0;
- return __xgetbv();
-}
-#endif
-
-"""
-
-def make_cpuid_c(dom) :
- tempstring = HEADER_TEMPL;
-
- for domarch in dom:
- if str(domarch.attributes["type"].value) == "x86":
- if "no_test" in domarch.attributes.keys():
- no_test = str(domarch.attributes["no_test"].value);
- if no_test == "true":
- no_test = True;
- else:
- no_test = False;
- else:
- no_test = False;
- arch = str(domarch.attributes["name"].value)
- op = domarch.getElementsByTagName("op")
- if op:
- op = str(op[0].firstChild.data)
- reg = domarch.getElementsByTagName("reg")
- if reg:
- reg = str(reg[0].firstChild.data)
- shift = domarch.getElementsByTagName("shift")
- if shift:
- shift = str(shift[0].firstChild.data)
- val = domarch.getElementsByTagName("val")
- if val:
- val = str(val[0].firstChild.data)
- check = domarch.getElementsByTagName("check")
- if check:
- check = str(check[0].firstChild.data)
- checkval = domarch.getElementsByTagName("checkval")
- if checkval:
- checkval = str(checkval[0].firstChild.data)
-
- if no_test:
- tempstring = tempstring + """\
-int i_can_has_%s () {
-#if defined(VOLK_CPU_x86)
- return 1;
-#else
- return 0;
-#endif
-}
-
-""" % (arch)
-
- elif op == "1":
- tempstring = tempstring + """\
-int i_can_has_%s () {
-#if defined(VOLK_CPU_x86)
- unsigned int e%sx = cpuid_e%sx (%s);
- int hwcap = (((e%sx >> %s) & 1) == %s);
-""" % (arch, reg, reg, op, reg, shift, val)
-
- if check and checkval:
- tempstring += """\
- if (hwcap == 0) return 0;
- hwcap &= (%s() == %s);
-""" % (check, checkval)
-
- tempstring += """\
- return hwcap;
-#else
- return 0;
-#endif
-}
-
-"""
-
- elif op == "0x80000001":
- tempstring = tempstring + """\
-int i_can_has_%s () {
-#if defined(VOLK_CPU_x86)
- unsigned int extended_fct_count = cpuid_eax(0x80000000);
- if (extended_fct_count < 0x80000001)
- return %s^1;
- unsigned int extended_features = cpuid_e%sx (%s);
- return ((extended_features >> %s) & 1) == %s;
-#else
- return 0;
-#endif
-}
-
-""" % (arch, val, reg, op, shift, val)
-
- elif str(domarch.attributes["type"].value) == "powerpc":
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + """\
-int i_can_has_%s () {
-#ifdef __PPC__
- return 1;
-#else
- return 0;
-#endif
-}
-
-""" % (arch)
-
- elif str(domarch.attributes["type"].value) == "arm":
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + """\
-#if defined(__arm__) && defined(__linux__)
-#include <asm/hwcap.h>
-#include <linux/auxvec.h>
-#include <stdio.h>
-#define LOOK_FOR_NEON
-#endif
-
-int i_can_has_%s () {
-//it's linux-specific, but if you're compiling libvolk for NEON
-//on Windows you have other problems
-
-#ifdef LOOK_FOR_NEON
- FILE *auxvec_f;
- unsigned long auxvec[2];
- unsigned int found_neon = 0;
- auxvec_f = fopen("/proc/self/auxv", "rb");
- if(!auxvec_f) return 0;
-
- //so auxv is basically 32b of ID and 32b of value
- //so it goes like this
- while(!found_neon && auxvec_f) {
- fread(auxvec, sizeof(unsigned long), 2, auxvec_f);
- if((auxvec[0] == AT_HWCAP) && (auxvec[1] & HWCAP_NEON))
- found_neon = 1;
- }
-
- fclose(auxvec_f);
- return found_neon;
-
-#else
- return 0;
-#endif
-}
-
-""" % (arch)
-
- elif str(domarch.attributes["type"].value) == "all":
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + """\
-int i_can_has_%s () {
- return 1;
-}
-
-""" % (arch)
- else:
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + """\
-int i_can_has_%s () {
- return 0;
-}
-
-""" % (arch)
-
- tempstring = tempstring + "void volk_cpu_init() {\n";
- for domarch in dom:
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + " volk_cpu.has_" + arch + " = &i_can_has_" + arch + ";\n"
- tempstring = tempstring + "}\n\n"
-
- tempstring = tempstring + "unsigned int volk_get_lvarch() {\n";
- tempstring = tempstring + " unsigned int retval = 0;\n"
- tempstring = tempstring + " volk_cpu_init();\n"
- for domarch in dom:
- arch = str(domarch.attributes["name"].value);
- tempstring = tempstring + " retval += volk_cpu.has_" + arch + "() << LV_" + arch.swapcase() + ";\n"
- tempstring = tempstring + " return retval;\n"
- tempstring = tempstring + "}\n\n"
-
- return tempstring;
-
-
-
-
-
-
-
generated by cgit (git 2.34.1) at 2024-12-20 22:17:27 +0000