<?xml version="1.0" encoding="utf-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>HelenOS-historic &#x2013; /kernel/trunk/arch/amd64/src/fpu_context.c</title><description>WebSVN RSS feed &#x2013; HelenOS-historic</description><lastBuildDate>Fri, 03 Apr 2026 23:01:09 +0200</lastBuildDate><generator>WebSVN 2.8.4</generator><language>en</language><link>https://historic.helenos.org/log.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;max=40&amp;peg=1185</link><atom:link href="https://historic.helenos.org/rss.php?path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;peg=1185&amp;repname=HelenOS-historic" rel="self" type="application/rss+xml" />
<item><pubDate>Fri, 03 Mar 2006 01:20:31 +0100</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 906 – Added lazy fpu context allocation.  - threads that don&apos;t ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 9 file(s) modified&lt;/strong&gt;&lt;br/&gt;Added lazy fpu context allocation. &lt;br /&gt;
- threads that don&apos;t use fpu, don&apos;t get allocated fpu context&lt;br /&gt;
- fpu context alignment on AMD64 nicely disappeared&lt;/div&gt;~ /kernel/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/arch/ia32/include/fpu_context.h&lt;br /&gt;~ /kernel/trunk/arch/ia32/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/arch/mips32/include/fpu_context.h&lt;br /&gt;~ /kernel/trunk/arch/mips32/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/generic/include/fpu_context.h&lt;br /&gt;~ /kernel/trunk/generic/include/proc/thread.h&lt;br /&gt;~ /kernel/trunk/generic/src/proc/scheduler.c&lt;br /&gt;~ /kernel/trunk/generic/src/proc/thread.c&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=906&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=906&amp;peg=1185</guid></item>
<item><pubDate>Fri, 10 Feb 2006 00:29:57 +0100</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 827 – Unimportant changes regarding FPU context.</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 9 file(s) modified&lt;/strong&gt;&lt;br/&gt;Unimportant changes regarding FPU context.&lt;/div&gt;~ /kernel/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/arch/ia32/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/arch/mips32/src/fpu_context.c&lt;br /&gt;~ /kernel/trunk/generic/include/fpu_context.h&lt;br /&gt;~ /kernel/trunk/generic/include/mm/frame.h&lt;br /&gt;~ /kernel/trunk/generic/src/proc/scheduler.c&lt;br /&gt;~ /kernel/trunk/test/fpu/fpu1/test.c&lt;br /&gt;~ /kernel/trunk/test/fpu/mips1/test.c&lt;br /&gt;~ /kernel/trunk/test/fpu/sse1/test.c&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=827&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=827&amp;peg=1185</guid></item>
<item><pubDate>Sun, 04 Dec 2005 20:40:40 +0100</pubDate><dc:creator>jermar</dc:creator><title>Rev 534 – Rename HelenOS/SPARTAN to HelenOS/kernel again.</title><description>&lt;div&gt;&lt;strong&gt;jermar – 2 file(s) modified&lt;/strong&gt;&lt;br/&gt;Rename HelenOS/SPARTAN to HelenOS/kernel again.&lt;/div&gt;+ /kernel &lt;i&gt;(copied from /SPARTAN@533)&lt;/i&gt;&lt;br /&gt;x /SPARTAN&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=534&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=534&amp;peg=1185</guid></item>
<item><pubDate>Sun, 04 Dec 2005 20:28:25 +0100</pubDate><dc:creator>jermar</dc:creator><title>Rev 532 – Revert renaming of HelenOS/SPARTAN to HelenOS/kernel because of important pending ...</title><description>&lt;div&gt;&lt;strong&gt;jermar – 2 file(s) modified&lt;/strong&gt;&lt;br/&gt;Revert renaming of HelenOS/SPARTAN to HelenOS/kernel because of important pending patch.&lt;/div&gt;x /kernel&lt;br /&gt;+ /SPARTAN &lt;i&gt;(copied from /kernel@531)&lt;/i&gt;&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=532&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=532&amp;peg=1185</guid></item>
<item><pubDate>Tue, 22 Nov 2005 16:09:19 +0100</pubDate><dc:creator>jermar</dc:creator><title>Rev 501 – Rename HelenOS/SPARTAN to HelenOS/kernel.</title><description>&lt;div&gt;&lt;strong&gt;jermar – 2 file(s) modified&lt;/strong&gt;&lt;br/&gt;Rename HelenOS/SPARTAN to HelenOS/kernel.&lt;/div&gt;+ /kernel &lt;i&gt;(copied from /SPARTAN@500)&lt;/i&gt;&lt;br /&gt;x /SPARTAN&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=501&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=501&amp;peg=1185</guid></item>
<item><pubDate>Sun, 11 Sep 2005 14:48:42 +0200</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 332 – Updated symtab so that it works correctly with BE architectures. ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 29 file(s) modified&lt;/strong&gt;&lt;br/&gt;Updated symtab so that it works correctly with BE architectures.&lt;br /&gt;
Changed compiler for BE MIPS to be mips-sgi-irix5, because&lt;br /&gt;
mipsel -EB does not behave correctly.&lt;br /&gt;
Doc updates to amd64.&lt;br /&gt;
Added ARC BIOS support to MIPS architecture. Putchar works correctly,&lt;br /&gt;
kernel passed FPU &amp; some rwlock tests.&lt;/div&gt;~ /SPARTAN/trunk/arch/amd64/include/byteorder.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/asm_utils.S&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/pm.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/_link.ld.in&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/include/byteorder.h&lt;br /&gt;~ /SPARTAN/trunk/arch/ia64/include/byteorder.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/byteorder.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/console.h&lt;br /&gt;+ /SPARTAN/trunk/arch/mips/include/drivers&lt;br /&gt;+ /SPARTAN/trunk/arch/mips/include/drivers/arc.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/interrupt.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/types.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/asm.S&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/console.c&lt;br /&gt;+ /SPARTAN/trunk/arch/mips/src/drivers&lt;br /&gt;+ /SPARTAN/trunk/arch/mips/src/drivers/arc.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/exception.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/interrupt.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/mips.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/mm/tlb.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/_link.ld.in&lt;br /&gt;~ /SPARTAN/trunk/arch/ppc/include/byteorder.h&lt;br /&gt;x /SPARTAN/trunk/contrib/toolchain/toolchain.mips.sh&lt;br /&gt;+ /SPARTAN/trunk/contrib/toolchain/toolchain.mipseb.sh&lt;br /&gt;+ /SPARTAN/trunk/contrib/toolchain/toolchain.mipsel.sh &lt;i&gt;(copied from /SPARTAN/trunk/contrib/toolchain/toolchain.mips.sh@329)&lt;/i&gt;&lt;br /&gt;~ /SPARTAN/trunk/src/debug/symtab.c&lt;br /&gt;~ /SPARTAN/trunk/tools/genmap.py&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=332&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=332&amp;peg=1185</guid></item>
<item><pubDate>Sat, 10 Sep 2005 02:52:13 +0200</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 326 – Cleanup of makefiles to have common options in one main ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 31 file(s) modified&lt;/strong&gt;&lt;br/&gt;Cleanup of makefiles to have common options in one main makefile.&lt;br /&gt;
&lt;br /&gt;
Add simple build process for different simulators for MIPS.&lt;br /&gt;
Added FPU context &amp; lazy FPU context switching to MIPS.&lt;br /&gt;
Cleanup of MIPS linker script.&lt;br /&gt;
Moved MIPS kernel above 1MB.  Not tested on real machine yet, but it might help.&lt;br /&gt;
&lt;br /&gt;
There is something broken with gcc inlined memcpy (either simulator or gcc), it is disabled on BigEndian mips now.&lt;/div&gt;~ /SPARTAN/trunk/arch/amd64/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/ia64/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/boot/boot.S&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/asm.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/asm/boot.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/byteorder.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/cp0.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/exception.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/fpu_context.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/include/thread.h&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/asm.S&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/console.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/dummy.S&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/exception.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/mips.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/mm/frame.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/panic.S&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/start.S&lt;br /&gt;x /SPARTAN/trunk/arch/mips/_link.ld&lt;br /&gt;+ /SPARTAN/trunk/arch/mips/_link.ld.in &lt;i&gt;(copied from /SPARTAN/trunk/arch/mips/_link.ld@324)&lt;/i&gt;&lt;br /&gt;~ /SPARTAN/trunk/arch/ppc/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/contrib/conf/msim.conf&lt;br /&gt;~ /SPARTAN/trunk/src/build.mips&lt;br /&gt;~ /SPARTAN/trunk/src/clean.mips&lt;br /&gt;~ /SPARTAN/trunk/src/Makefile&lt;br /&gt;+ /SPARTAN/trunk/test/fpu/mips1&lt;br /&gt;+ /SPARTAN/trunk/test/fpu/mips1/test.c&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=326&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=326&amp;peg=1185</guid></item>
<item><pubDate>Tue, 06 Sep 2005 11:56:26 +0200</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 309 – Added architecture independent hooks for fpu lazy context switching. It ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 21 file(s) modified&lt;/strong&gt;&lt;br/&gt;Added architecture independent hooks for fpu lazy context switching.&lt;br /&gt;
It is enabled by defining FPU_LAZY&lt;/div&gt;~ /SPARTAN/trunk/arch/amd64/include/cpu.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/cpu/cpu.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/interrupt.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/include/cpu.h&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/include/fpu_context.h&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/Makefile.inc&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/Makefile.inc.cross&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/src/cpu/cpu.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/src/interrupt.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ia64/src/dummy.s&lt;br /&gt;~ /SPARTAN/trunk/arch/ia64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/dummy.s&lt;br /&gt;~ /SPARTAN/trunk/arch/mips/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/ppc/src/dummy.s&lt;br /&gt;~ /SPARTAN/trunk/arch/ppc/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/include/fpu_context.h&lt;br /&gt;~ /SPARTAN/trunk/include/proc/scheduler.h&lt;br /&gt;~ /SPARTAN/trunk/src/proc/scheduler.c&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=309&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=309&amp;peg=1185</guid></item>
<item><pubDate>Mon, 05 Sep 2005 13:27:12 +0200</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 296 – More logical fpu_context_engaged setting. The sse1 test now correctly tests ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 3 file(s) modified&lt;/strong&gt;&lt;br/&gt;More logical fpu_context_engaged setting.&lt;br /&gt;
The sse1 test now correctly tests for thread migration settings.&lt;/div&gt;~ /SPARTAN/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/interrupt.c&lt;br /&gt;~ /SPARTAN/trunk/test/fpu/sse1/test.c&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=296&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=296&amp;peg=1185</guid></item>
<item><pubDate>Sun, 04 Sep 2005 10:28:55 +0200</pubDate><dc:creator>palkovsky</dc:creator><title>Rev 282 – Fixed gdtr naming issues after ia32 changes. Fixed stack alignment ...</title><description>&lt;div&gt;&lt;strong&gt;palkovsky – 16 file(s) modified&lt;/strong&gt;&lt;br/&gt;Fixed gdtr naming issues after ia32 changes.&lt;br /&gt;
Fixed stack alignment on new thread to by multiple of 16,&lt;br /&gt;
we are now ABI-correct and we do not #GP on va_arg to boot.&lt;br /&gt;
Fixed bad exception register names reporting.&lt;br /&gt;
Fixed bad _hardcoded_load_addr, which caused allocation of kernel text &lt;br /&gt;
frames.&lt;/div&gt;~ /SPARTAN/trunk/arch/amd64/include/asm.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/include/context.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/include/cpu.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/include/cpuid.h&lt;br /&gt;x /SPARTAN/trunk/arch/amd64/include/fpu_context.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/include/pm.h&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/amd64.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/boot/boot.S&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/cpu/cpu.c&lt;br /&gt;+ /SPARTAN/trunk/arch/amd64/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/interrupt.c&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/src/smp/ap.S&lt;br /&gt;~ /SPARTAN/trunk/arch/amd64/_link.ld&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/include/fpu_context.h&lt;br /&gt;~ /SPARTAN/trunk/arch/ia32/src/fpu_context.c&lt;br /&gt;~ /SPARTAN/trunk/src/build.amd64&lt;br /&gt;</description><link>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=282&amp;peg=1185</link><guid>https://historic.helenos.org/revision.php?repname=HelenOS-historic&amp;path=%2Fkernel%2Ftrunk%2Farch%2Famd64%2Fsrc%2Ffpu_context.c&amp;rev=282&amp;peg=1185</guid></item>
</channel></rss>