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doc: REP/REPZ/REPNZ done right

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--enable-all-optimizations implicitly enables --enable-repeat-speedups.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1932 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
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hsc
2012-11-13 16:27:07 +00:00
parent 4f48eb3232
commit b8a4797360
1 changed files with 5 additions and 2 deletions
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7
doc/how-to-build.txt
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@ -129,8 +129,8 @@ For the first time:
2. Configure the Bochs simulator (auto-tools). 2. Configure the Bochs simulator (auto-tools).
- Sufficient: - Sufficient:
$ ./configure --prefix=$(echo ~/localroot/usr) --enable-{cpu-level=6,ne2000,trace-cache,gdb-stub} --disable-docbook $ ./configure --prefix=$(echo ~/localroot/usr) --enable-{cpu-level=6,ne2000,trace-cache,gdb-stub} --disable-docbook
- More optimised: - More simulator features:
$ ./configure --prefix=$(echo ~/localroot/usr) --enable-{a20-pin,x86-64,cpu-level=6,ne2000,acpi,pci,usb,trace-cache,fast-function-calls,host-specific-asms,disasm,all-optimizations,readline,clgd54xx,fpu,vmx=2,monitor-mwait,cdrom,sb16=linux,gdb-stub} --disable-docbook --with-all-libs $ ./configure --prefix=$(echo ~/localroot/usr) --enable-{a20-pin,x86-64,cpu-level=6,ne2000,acpi,pci,usb,trace-cache,fast-function-calls,host-specific-asms,disasm,readline,clgd54xx,fpu,vmx=2,monitor-mwait,cdrom,sb16=linux,gdb-stub} --disable-docbook --with-all-libs
Instead of --with-all-libs, you could use --with-nogui for "headless" experiments, Instead of --with-all-libs, you could use --with-nogui for "headless" experiments,
additionally removing lots of library dependencies (thus reducing startup overhead). additionally removing lots of library dependencies (thus reducing startup overhead).
--with-x11 enables only the "x" (X11), --with-wx only the "wx" (wxWidgets) GUI. --with-x11 enables only the "x" (X11), --with-wx only the "wx" (wxWidgets) GUI.
@ -139,6 +139,9 @@ For the first time:
Once you know everything works as it should, you may want to add the Once you know everything works as it should, you may want to add the
following flags before running larger campaigns: following flags before running larger campaigns:
--disable-logging --disable-assert-checks --disable-logging --disable-assert-checks
Make sure --enable-repeat-speedups (--enable-all-optimizations implicitly
enables this) is not enabled; you will otherwise encounter funny effects
when tracing REP-prefixed instructions.
FIXME: Remove more redundant flags/libraries FIXME: Remove more redundant flags/libraries