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arm: Profile/variation detection improvements

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* Detection of 64-bit Arm v8-a
 * Proper detection of integer division support
   * always on v7-m, v8-a, v9-a, v8-m.main
   * sometimes on v7-a, v7-r, v8-r
   * never on v8-m.base v6-m, v6 and older "classic"
   * tl;dr: Rely on toolchain preprocessor definition

For the most part these additional variations won't acutally work
for native target builds, but sane -A detection is needed for
"local" builds now. -R detection is left out as it's not likely
to matter.

Change-Id: I8f6a52edc4d14490fc00e2f487406eca701eef02
This commit is contained in:
Solomon Peachy 2025-12-04 20:20:35 -05:00
parent 6d39bf5e48
commit afe128f4cc
4 changed files with 30 additions and 90 deletions
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74
utils/mks5lboot/dualboot/autoconf.h
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@ -1,74 +0,0 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Copyright (C) 2012 by Andrew Ryabinin
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __BUILD_AUTOCONF_H
#define __BUILD_AUTOCONF_H
/* lower case names match the what's exported in the Makefile
* upper case name looks nicer in the code */
#define arch_none 0
#define ARCH_NONE 0
#define arch_sh 1
#define ARCH_SH 1
#define arch_m68k 2
#define ARCH_M68K 2
#define arch_arm 3
#define ARCH_ARM 3
#define arch_mips 4
#define ARCH_MIPS 4
#define arch_x86 5
#define ARCH_X86 5
#define arch_amd64 6
#define ARCH_AMD64 6
/* Define target machine architecture */
#define ARCH arch_arm
/* Optionally define architecture version */
#define ARCH_VERSION 5
/* Define endianess for the target or simulator platform */
#define ROCKBOX_LITTLE_ENDIAN 1
/* Define this if you build rockbox to support the logf logging and display */
#undef ROCKBOX_HAS_LOGF
/* Define this if you want logf to output to the serial port */
#undef LOGF_SERIAL
/* Define this to record a chart with timings for the stages of boot */
#undef DO_BOOTCHART
/* the threading backend we use */
#define ASSEMBLER_THREADS
/* root of Rockbox */
#define ROCKBOX_DIR "/.rockbox"
#define ROCKBOX_SHARE_PATH ""
#define ROCKBOX_BINARY_PATH ""
#define ROCKBOX_LIBRARY_PATH ""
#endif /* __BUILD_AUTOCONF_H */