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| author | Michael Neuling | 2008-06-25 06:07:18 +0200 |
|---|---|---|
| committer | Paul Mackerras | 2008-07-01 03:28:51 +0200 |
| commit | 96d5b52c8473ae6ee63d592474bcc1255df06102 (patch) | |
| tree | 600100969a2400908746cd140e68b9c1d29da374 /arch/powerpc | |
| parent | powerpc: Add VSX context save/restore, ptrace and signal support (diff) | |
| download | kernel-qcow2-linux-96d5b52c8473ae6ee63d592474bcc1255df06102.tar.gz kernel-qcow2-linux-96d5b52c8473ae6ee63d592474bcc1255df06102.tar.xz kernel-qcow2-linux-96d5b52c8473ae6ee63d592474bcc1255df06102.zip | |
powerpc: Add CONFIG_VSX config option
Add CONFIG_VSX config build option. Must compile with POWER4, FPU and ALTIVEC.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index c66b8ed7e7d9..5bc4b611ff88 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -160,6 +160,22 @@ config ALTIVEC If in doubt, say Y here. +config VSX + bool "VSX Support" + depends on POWER4 && ALTIVEC && PPC_FPU + ---help--- + + This option enables kernel support for the Vector Scaler extensions + to the PowerPC processor. The kernel currently supports saving and + restoring VSX registers, and turning on the 'VSX enable' bit so user + processes can execute VSX instructions. + + This option is only useful if you have a processor that supports + VSX (P7 and above), but does not have any affect on a non-VSX + CPUs (it does, however add code to the kernel). + + If in doubt, say Y here. + config SPE bool "SPE Support" depends on E200 || (E500 && !PPC_E500MC) |