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fab5db97e4
kernel-ark/arch/powerpc/kernel
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Paul Mackerras fab5db97e4 [PATCH] powerpc: Implement support for setting little-endian mode via prctl 
This adds the PowerPC part of the code to allow processes to change
their endian mode via prctl.

This also extends the alignment exception handler to be able to fix up
alignment exceptions that occur in little-endian mode, both for
"PowerPC" little-endian and true little-endian.

We always enter signal handlers in big-endian mode -- the support for
little-endian mode does not amount to the creation of a little-endian
user/kernel ABI.  If the signal handler returns, the endian mode is
restored to what it was when the signal was delivered.

We have two new kernel CPU feature bits, one for PPC little-endian and
one for true little-endian.  Most of the classic 32-bit processors
support PPC little-endian, and this is reflected in the CPU feature
table.  There are two corresponding feature bits reported to userland
in the AT_HWCAP aux vector entry.

This is based on an earlier patch by Anton Blanchard.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-06-09 21:24:15 +10:00
..
vdso32 [PATCH] Mark unwind info for signal trampolines in vDSOs 2006-03-31 12:18:52 -08:00
vdso64 [PATCH] Mark unwind info for signal trampolines in vDSOs 2006-03-31 12:18:52 -08:00
align.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
asm-offsets.c powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
binfmt_elf32.c
btext.c
cpu_setup_6xx.S powerpc: Move cpu_setup_6xx.S and temp.c over to arch/powerpc 2006-03-27 19:15:26 +11:00
cpu_setup_power4.S [PATCH] powerpc: remove do-nothing cpu setup routines 2006-05-19 14:24:18 +10:00
cputable.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
crash_dump.c [PATCH] powerpc: Kdump header cleanup 2006-05-19 15:02:16 +10:00
crash.c [PATCH] powerpc: Disable and EOI interrupts in machine_crash_shutdown() 2006-04-22 18:44:25 +10:00
dma_64.c
entry_32.S powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
entry_64.S [PATCH] powerpc: Workaround for pSeries RTAS bug 2006-03-28 16:45:33 +11:00
firmware.c [PATCH] powerpc: Rename and export ppc64_firmware_features 2006-03-28 16:45:20 +11:00
fpu.S
head_4xx.S
head_8xx.S [PATCH] powerpc: trivial: modify comments to refer to new location of files 2006-02-10 16:53:51 +11:00
head_32.S [PATCH] powerpc: fix altivec_unavailable_exception Oopses 2006-02-24 11:36:23 +11:00
head_44x.S [PATCH] powerpc: trivial: modify comments to refer to new location of files 2006-02-10 16:53:51 +11:00
head_64.S powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
head_booke.h [PATCH] powerpc: Fix Kernel FP unavail exception for BookE 2006-02-10 16:51:50 +11:00
head_fsl_booke.S [PATCH] powerpc: trivial: modify comments to refer to new location of files 2006-02-10 16:53:51 +11:00
ibmebus.c
idle_6xx.S powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
idle_power4.S powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
idle.c [PATCH] powerpc: Ensure runlatch is off in the idle loop 2006-04-13 09:27:22 -07:00
init_task.c
iomap.c [PATCH] powerpc: remove io_page_mask 2006-04-22 18:45:05 +10:00
iommu.c [PATCH] powerpc: node-aware dma allocations 2006-06-09 21:24:01 +10:00
irq.c powerpc: iSeries has only 256 IRQs 2006-04-04 14:49:48 +10:00
kprobes.c [PATCH] powerpc/kprobes: fix singlestep out-of-line 2006-05-03 23:06:41 +10:00
l2cr_6xx.S powerpc: Move l2cr.S over to arch/powerpc 2006-03-27 15:22:28 +11:00
legacy_serial.c [PATCH] powerpc: legacy_serial loop cleanup 2006-03-27 14:48:54 +11:00
lparcfg.c [PATCH] powerpc: udbg_printf() formatting attribute 2006-05-19 15:02:19 +10:00
lparmap.c
machine_kexec_32.c
machine_kexec_64.c [PATCH] powerpc: Move crashkernel= handling into the kernel. 2006-05-19 15:02:18 +10:00
machine_kexec.c
Makefile powerpc: Use correct sequence for putting CPU into nap mode 2006-04-18 21:49:11 +10:00
misc_32.S [PATCH] powerpc: remove do-nothing cpu setup routines 2006-05-19 14:24:18 +10:00
misc_64.S [PATCH] powerpc: remove do-nothing cpu setup routines 2006-05-19 14:24:18 +10:00
module_32.c powerpc: Move module.c over to arch/powerpc 2006-03-27 19:28:58 +11:00
module_64.c [PATCH] powerpc64: Fix loading of modules without a .toc section 2006-04-28 21:04:49 +10:00
nvram_64.c [PATCH] nvram_print_partitions cosmetic fixup 2006-04-29 18:08:05 +10:00
of_device.c [PATCH] powerpc: tidy-up of_register_driver()/driver_register() return values 2006-03-23 14:40:54 +11:00
paca.c [PATCH] powerpc: Allow non zero boot cpuids 2006-03-27 14:48:48 +11:00
pci_32.c [PATCH] powerpc: Kill _machine and hard-coded platform numbers 2006-03-28 23:15:54 +11:00
pci_64.c [PATCH] powerpc: iSeries PCI devices can now have a devpsec attribute 2006-05-24 16:08:56 +10:00
pci_direct_iommu.c
pci_dn.c [PATCH] powerpc: clean up iSeries PCI probe 2006-05-24 16:08:57 +10:00
pci_iommu.c [PATCH] powerpc: node-aware dma allocations 2006-06-09 21:24:01 +10:00
perfmon_fsl_booke.c powerpc: Move perfmon_fsl_booke.c over to arch/powerpc 2006-03-27 20:09:04 +11:00
pmc.c
ppc32.h
ppc_ksyms.c powerpc/ppc: export strncasecmp 2006-04-02 16:01:58 -05:00
proc_ppc64.c [PATCH] powerpc: Create /proc/rtas, /proc/ppc64/rtas if RTAS exists. 2006-05-19 14:35:32 +10:00
process.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
prom_init.c Merge branch 'merge' 2006-06-01 19:05:23 +10:00
prom_parse.c [PATCH] powerpc: fix of_parse_dma_window 2006-06-09 21:21:02 +10:00
prom.c [PATCH] powerpc: Auto reserve of device tree blob 2006-05-19 15:02:26 +10:00
ptrace32.c
ptrace-common.h [PATCH] powerpc: trivial: modify comments to refer to new location of files 2006-02-10 16:53:51 +11:00
ptrace.c [PATCH] powerpc: enable PPC_PTRACE_[GS]ETREGS on ppc32 2006-06-09 21:20:51 +10:00
rtas_flash.c [PATCH] powerpc: reorg RTAS delay code 2006-06-09 21:21:06 +10:00
rtas_pci.c Merge ../linux-2.6 2006-03-17 12:01:19 +11:00
rtas-proc.c [PATCH] powerpc: Avoid __initcall warnings 2006-04-13 09:27:26 -07:00
rtas-rtc.c [PATCH] powerpc: reorg RTAS delay code 2006-06-09 21:21:06 +10:00
rtas.c [PATCH] powerpc: reorg RTAS delay code 2006-06-09 21:21:06 +10:00
semaphore.c
setup_32.c [PATCH] powerpc: Parse early parameters earlier 2006-05-19 15:02:13 +10:00
setup_64.c [PATCH] powerpc: Kdump header cleanup 2006-05-19 15:02:16 +10:00
setup-common.c [PATCH] powerpc: Make early xmon logic immune to location of early parsing 2006-05-19 15:02:12 +10:00
setup.h [PATCH] powerpc: Make early xmon logic immune to location of early parsing 2006-05-19 15:02:12 +10:00
signal_32.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
signal_64.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
smp-tbsync.c
smp.c [PATCH] for_each_possible_cpu: powerpc 2006-03-29 13:44:15 +11:00
swsusp_32.S powerpc: Move swsusp.S over to arch/powerpc 2006-03-27 19:21:46 +11:00
sys_ppc32.c [PATCH] consolidate sys32/compat_adjtimex 2006-03-26 08:56:57 -08:00
syscalls.c [PATCH] powerpc: declare arch syscalls in <asm/syscalls.h> 2006-03-27 14:48:22 +11:00
sysfs.c [PATCH] powerpc: Allow devices to register with numa topology 2006-05-01 18:17:46 -07:00
systbl.S [PATCH] powerpc: wire up sys_[gs]et_robust_list 2006-05-23 10:35:32 -07:00
tau_6xx.c powerpc: Move cpu_setup_6xx.S and temp.c over to arch/powerpc 2006-03-27 19:15:26 +11:00
time.c [PATCH] powerpc: Remove stale iseries global 2006-04-22 18:46:11 +10:00
traps.c [PATCH] powerpc: Implement support for setting little-endian mode via prctl 2006-06-09 21:24:15 +10:00
udbg_16550.c [PATCH] powerpc: fix compile warning in udbg_init_maple_realmode 2006-02-07 21:51:52 +11:00
udbg.c [PATCH] powerpc: Add udbg-immortal kernel option 2006-06-09 21:24:10 +10:00
vdso.c [PATCH] powerpc vdso updates 2006-06-09 21:20:57 +10:00
vecemu.c
vector.S
vio.c [PATCH] powerpc: node-aware dma allocations 2006-06-09 21:24:01 +10:00
vmlinux.lds.S [PATCH] powerpc: make iSeries flattened device tree dynamic 2006-05-24 16:08:57 +10:00