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From: Arnd Bergmann <arnd@arndb.de>
To: Ley Foon Tan <lftan@altera.com>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, lftan.linux@gmail.com,
	cltang@codesourcery.com
Subject: Re: [PATCH v5 29/29] nios2: Build infrastructure
Date: Tue, 28 Oct 2014 14:38:22 +0100	[thread overview]
Message-ID: <2095416.INZmt8AD1y@wuerfel> (raw)
In-Reply-To: <1414139071-3818-30-git-send-email-lftan@altera.com>

On Friday 24 October 2014 16:24:31 Ley Foon Tan wrote:
> +DECLARE_EXPORT(__gcc_bcmp);
> +DECLARE_EXPORT(__divdi3);
> +DECLARE_EXPORT(__divsi3);
> +DECLARE_EXPORT(__moddi3);
> +DECLARE_EXPORT(__modsi3);
> +DECLARE_EXPORT(__udivdi3);
> +DECLARE_EXPORT(__udivmoddi4);
> +DECLARE_EXPORT(__udivsi3);
> +DECLARE_EXPORT(__umoddi3);
> +DECLARE_EXPORT(__umodsi3);
> +DECLARE_EXPORT(__muldi3);
> 

I don't remember what all of these are, but at least some of them seem
to be concerned with 64-bit division. By convention, we don't provide those
in the Linux kernel but instead require all code to use the do_div()
macro instead.

	Arnd

  parent reply	other threads:[~2014-10-28 13:38 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-24  8:24 [PATCH v5 00/29] nios2 Linux kernel port Ley Foon Tan
2014-10-24  8:24 ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 01/29] asm-generic: add generic futex for !CONFIG_SMP Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-25 20:50   ` Thomas Gleixner
2014-10-24  8:24 ` [PATCH v5 02/29] nios2: Assembly macros and definitions Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 03/29] nios2: Kernel booting and initialization Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 04/29] nios2: Exception handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  9:15   ` Geert Uytterhoeven
2014-10-27  9:43     ` Ley Foon Tan
2014-10-27  9:43       ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 05/29] nios2: Traps exception handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 06/29] nios2: Memory management Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 07/29] nios2: I/O Mapping Ley Foon Tan
2014-10-28 13:30   ` Arnd Bergmann
2014-10-28 13:30     ` Arnd Bergmann
2014-10-29  7:00     ` Ley Foon Tan
2014-10-29  7:00       ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 08/29] nios2: MMU Fault handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 09/29] nios2: Page table management Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 10/29] nios2: Process management Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 11/29] nios2: Cache handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 12/29] nios2: TLB handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 13/29] nios2: Interrupt handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 14/29] nios2: DMA mapping API Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 15/29] Add ELF machine define for Nios2 Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 16/29] nios2: ELF definitions Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 17/29] nios2: System calls handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 18/29] nios2: Signal handling support Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 19/29] nios2: Library functions Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 20/29] nios2: Device tree support Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 21/29] nios2: Time keeping Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-25 21:10   ` Thomas Gleixner
2014-10-25 21:10     ` Thomas Gleixner
2014-10-28  2:46     ` Ley Foon Tan
2014-10-28  2:46       ` Ley Foon Tan
2014-10-28  9:23       ` Arnd Bergmann
2014-10-28  9:23         ` Arnd Bergmann
2014-10-28 10:43         ` Ley Foon Tan
2014-10-28 10:43           ` Ley Foon Tan
2014-10-28 13:39           ` Arnd Bergmann
2014-10-28 13:39             ` Arnd Bergmann
2014-10-29  7:36             ` Ley Foon Tan
2014-10-28 15:15           ` Thomas Gleixner
2014-10-30  9:03             ` Ley Foon Tan
2014-10-30  9:03               ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 22/29] nios2: Cpuinfo handling Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 23/29] nios2: Miscellaneous header files Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 24/29] nios2: Nios2 registers Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 25/29] nios2: Module support Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 26/29] nios2: ptrace support Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 27/29] MAINTAINERS: Add nios2 maintainer Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 28/29] Documentation: Add documentation for Nios2 architecture Ley Foon Tan
2014-10-24  8:24   ` Ley Foon Tan
2014-10-24  8:24 ` [PATCH v5 29/29] nios2: Build infrastructure Ley Foon Tan
2014-10-24  9:10   ` Geert Uytterhoeven
2014-10-24  9:10     ` Geert Uytterhoeven
2014-10-27  9:44     ` Ley Foon Tan
2014-10-27  9:44       ` Ley Foon Tan
2014-10-28 13:38   ` Arnd Bergmann [this message]
2014-10-28 13:38     ` Arnd Bergmann
2014-10-30 10:44     ` Ley Foon Tan
2014-10-30 10:44       ` Ley Foon Tan
2014-10-30 10:49       ` Thomas Gleixner
2014-10-30 11:33       ` Arnd Bergmann
2014-10-30 11:33         ` Arnd Bergmann
2014-10-31  1:28         ` Ley Foon Tan
2014-10-31  1:28           ` Ley Foon Tan

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