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linux/arch/mips/include/asm
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Maciej W. Rozycki 2b5e869ecf MIPS: ELF: Interpret the NAN2008 file header flag 
Handle the EF_MIPS_NAN2008 ELF file header flag and refuse execution
where there is no support in the FPU for the NaN encoding mode requested
by a binary invoked.  Ensure that the setting of the bit in the binary
matches one in any intepreter used.  Set the thread's initial FCSR
contents according to the value of the EF_MIPS_NAN2008.

Set the values of the FCSR ABS2008 and NAN2008 bits both to the same
value if possible, to take the approach taken with existing FPU hardware
into account.  As of now all implementations have both bits hardwired to
the same value, that is both are fixed at 0 or both are fixed at 1, even
though the architecture allows for implementations where the amount of
control implemented with each of these two individual bits is
independent of each other.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11479/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-01-20 00:39:20 +01:00
..
dec
emma
fw MIPS: Malta: Remove fw_memblock_t abstraction 2015-11-11 08:35:45 +01:00
ip32
lasat
mach-ar7 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-ath25 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-ath79 MIPS: ath79: Allow using ath79_ddr_wb_flush() from drivers 2016-01-04 09:42:25 +01:00
mach-au1x00 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-bcm47xx MIPS: BCM47xx: Fetch board info directly in callback function 2015-11-11 08:36:57 +01:00
mach-bcm63xx spi/bcm63xx: move register definitions into the driver 2015-10-23 01:19:58 +09:00
mach-bmips MIPS: BMIPS: Define BMIPS_FIXADDR_TOP in asm/bmips-spaces.h 2015-06-21 21:53:30 +02:00
mach-cavium-octeon MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-cobalt MIPS: Correct `nofpu' non-functionality 2015-04-08 01:09:49 +02:00
mach-db1x00
mach-dec MIPS: DEC: Update CPU overrides 2015-06-21 21:52:44 +02:00
mach-emma2rh MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-generic MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-ip22 MIPS: Correct `nofpu' non-functionality 2015-04-08 01:09:49 +02:00
mach-ip27 MIPS: IP27: Update/restructure CPU overrides 2015-06-21 21:54:13 +02:00
mach-ip28 MIPS: IP28: Fix/clean spaces.h 2014-08-26 02:18:58 +02:00
mach-ip32 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-04-17 15:50:54 -04:00
mach-jazz MIPS: DMA: Implement platform hook to perform post-DMA cache flushes. 2015-04-01 17:22:01 +02:00
mach-jz4740 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-lantiq MIPS: Lantiq: Add support for xRX220 SoC 2015-11-11 08:37:31 +01:00
mach-lasat MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-loongson32 MIPS: Loongson: Naming style cleanup and rework 2015-06-21 21:53:59 +02:00
mach-loongson64 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-malta MIPS: Malta: Setup RAM regions via DT 2015-11-11 08:35:47 +01:00
mach-netlogic MIPS: Netlogic: Move cores per node out of multi-node.h 2015-04-01 17:21:50 +02:00
mach-paravirt MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-pistachio MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-pmcs-msp71xx MIPS: asm: Rename GCC_OFF12_ASM to GCC_OFF_SMALL_ASM 2015-02-17 15:37:21 +00:00
mach-pnx833x MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-ralink MIPS: ralink: add MT7621 support 2016-01-20 00:39:20 +01:00
mach-rc32434 MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-rm MIPS: Correct `nofpu' non-functionality 2015-04-08 01:09:49 +02:00
mach-sead3 irqchip: mips-gic: Probe for number of external interrupts 2014-11-24 07:44:56 +01:00
mach-sibyte MIPS: SB1: Remove support for Pass 1 parts. 2015-07-14 21:47:34 +02:00
mach-tx39xx MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-tx49xx MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
mach-vr41xx MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-xilfpga MIPS: xilfpga: Add mipsfpga platform code 2015-11-11 08:38:44 +01:00
mips-boards MIPS: SEAD3: New header file sead3-addr.h with hardware addresses. 2015-04-01 17:22:07 +02:00
netlogic genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
octeon MIPS: Octeon: Fix management port MII address on Kontron S1901 2015-09-03 12:08:11 +02:00
pci MIPS: PCI: Add a hook for IORESOURCE_BUS in pci_controller/bridge_controller 2015-04-01 17:22:16 +02:00
sgi MIPS: Update arch/mips/include/asm/sgi/sgi.h 2015-04-01 17:21:56 +02:00
sibyte
sn
txx9
vr41xx
xtalk MIPS: Xtalk: Update xwidget.h with known Xtalk device numbers 2015-06-21 21:54:21 +02:00
abi.h MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
addrspace.h
amon.h
arch_hweight.h
asm-eva.h MIPS: asm: asm-eva: Introduce kernel load/store variants 2015-04-10 15:41:43 +02:00
asm-offsets.h
asm.h
asmmacro-32.h Merge branch '4.1-fp' into mips-for-linux-next 2015-04-13 16:01:37 +02:00
asmmacro-64.h
asmmacro.h MIPS: Introduce accessors for MSA vector registers 2015-09-03 12:07:40 +02:00
atomic.h Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-11-15 09:10:53 -08:00
barrier.h locking, arch: use WRITE_ONCE()/READ_ONCE() in smp_store_release()/smp_load_acquire() 2015-08-03 10:59:30 +02:00
bcache.h MIPS: Introduce API for enabling & disabling L2 prefetch 2015-10-26 09:49:41 +01:00
bitops.h MIPS: Replace smp_mb with release barrier function in unlocks. 2015-06-21 21:54:30 +02:00
bmips-spaces.h MIPS: BMIPS: Define BMIPS_FIXADDR_TOP in asm/bmips-spaces.h 2015-06-21 21:53:30 +02:00
bmips.h MIPS: BMIPS: Move post DMA flush implementation to common header 2015-04-08 23:52:32 +02:00
bootinfo.h MIPS: Replace use of phys_t with phys_addr_t. 2014-11-24 22:47:31 +01:00
branch.h MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6 2015-02-17 15:37:37 +00:00
break.h
bug.h
bugs.h
cache.h
cacheflush.h MIPS: Fix race condition in lazy cache flushing. 2015-03-25 13:48:00 +01:00
cacheops.h
cdmm.h MIPS: CDMM: Add builtin_mips_cdmm_driver() macro 2015-11-05 11:15:41 +01:00
cevt-r4k.h MIPS: cevt-r4k: Migrate to new 'set-state' interface 2015-09-03 12:07:52 +02:00
checksum.h MIPS: LLVMLinux: Fix an 'inline asm input/output type mismatch' error. 2015-04-01 17:21:47 +02:00
clkdev.h
clock.h MIPS: Remove declaration of obsolete arch_init_clk_ops() 2014-11-24 07:45:37 +01:00
clocksource.h MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime() 2015-11-11 08:36:41 +01:00
cmp.h
cmpxchg.h arch: Remove __ARCH_HAVE_CMPXCHG 2015-05-13 10:55:42 +02:00
compat-signal.h
compat.h MIPS: Clean up compat_siginfo_t 2015-11-12 11:35:47 +01:00
compiler.h MIPS: Use the new "ZC" constraint for MIPS R6 2015-02-17 15:37:21 +00:00
cop2.h MIPS: Prevent compiler warning from cop2_{save,restore} 2014-10-23 19:58:13 +02:00
cpu-features.h MIPS: Define the legacy-NaN and 2008-NaN features 2016-01-20 00:39:20 +01:00
cpu-info.h MIPS: Respect the ISA level in FCSR handling 2015-04-08 01:10:37 +02:00
cpu-type.h MIPS: Add cases for CPU_I6400 2015-08-26 15:23:03 +02:00
cpu.h MIPS: Define the legacy-NaN and 2008-NaN features 2016-01-20 00:39:20 +01:00
debug.h MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
delay.h
device.h
div64.h
dma-coherence.h
dma-mapping.h dma-mapping: consolidate dma_set_mask 2015-09-10 13:29:01 -07:00
dma.h
ds1287.h
dsp.h
edac.h EDAC: Cleanup atomic_scrub mess 2015-05-28 15:31:53 +02:00
elf.h MIPS: ELF: Interpret the NAN2008 file header flag 2016-01-20 00:39:20 +01:00
errno.h
eva.h MIPS: EVA: Add new EVA header 2014-08-26 02:18:56 +02:00
exec.h
fb.h
fixmap.h
floppy.h
fpregdef.h MIPS: Fix build with binutils 2.24.51+ 2014-11-07 15:07:36 +01:00
fpu.h MIPS: Tidy up FPU context switching 2015-09-03 12:08:05 +02:00
fpu_emulator.h MIPS: Respect the ISA level in FCSR handling 2015-04-08 01:10:37 +02:00
ftrace.h MIPS: ftrace: Fix a microMIPS build problem 2014-10-24 02:38:33 +02:00
futex.h MIPS: asm: futex: Set the appropriate ISA level for MIPS R6 2015-02-17 15:37:23 +00:00
gio_device.h MIPS: ip22-gio: Remove legacy suspend/resume support 2015-02-20 13:30:55 +01:00
gt64120.h
hardirq.h
hazards.h MIPS: hazards: Add hazard macros for tlb read 2015-06-21 21:52:28 +02:00
highmem.h kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
hpet.h MIPS: Loongson-3: Add RS780/SBX00 HPET support 2014-11-24 07:45:02 +01:00
hugetlb.h mm/hugetlb: remove arch_prepare/release_hugepage from arch headers 2015-06-25 17:00:35 -07:00
hw_irq.h
i8259.h MIPS: i8259: DT support 2015-06-21 21:54:29 +02:00
ide.h
idle.h cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic 2014-11-12 21:17:27 +01:00
inst.h
io.h MIPS: Define ioremap_uc 2015-10-06 13:19:25 +02:00
irq.h MIPS: Remove "weak" from get_c0_fdc_int() declaration 2015-09-03 12:07:38 +02:00
irq_cpu.h MIPS: Rename mips_cpu_intc_init() -> mips_cpu_irq_of_init() 2014-11-24 07:44:52 +01:00
irq_gt641xx.h
irq_regs.h
irqflags.h MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
isadep.h
jazz.h
jazzdma.h
jump_label.h locking/static_keys: Add a new static_key interface 2015-08-03 11:34:15 +02:00
Kbuild Merge branch 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2015-10-04 16:31:13 +01:00
kdebug.h MIPS: Add uprobes support. 2015-09-03 12:08:05 +02:00
kexec.h
kgdb.h MIPS: Get rid of 'kgdb_early_setup' cruft. 2015-06-21 21:54:10 +02:00
kmap_types.h
kprobes.h
kvm_host.h KVM: Add kvm_arch_vcpu_{un}blocking callbacks 2015-10-22 23:01:41 +02:00
kvm_para.h
linkage.h MIPS: Remove "__weak" definition from arch-specific linkage.h 2015-09-03 12:07:39 +02:00
local.h MIPS: asm: local: Set the appropriate ISA level for MIPS R6 2015-02-17 15:37:24 +00:00
m48t37.h
maar.h MIPS: Initialise MAARs on secondary CPUs 2015-09-27 14:15:26 +02:00
mc146818-time.h
mc146818rtc.h
mips-cm.h MIPS: CM: Introduce core-other locking functions 2015-11-11 08:35:14 +01:00
mips-cpc.h MIPS: CM: make use of mips_cm_{lock,unlock}_other 2015-11-11 08:35:17 +01:00
mips-r2-to-r6-emul.h MIPS: Set `si_code' for SIGFPE signals sent from emulation too 2015-04-08 01:10:19 +02:00
mips_machine.h
mips_mt.h
mipsmtregs.h
mipsprom.h
mipsregs.h MIPS: Tidy EntryLo bit definitions, add PFN 2015-11-11 08:35:33 +01:00
mmu.h MIPS,prctl: add PR_[GS]ET_FP_MODE prctl options for MIPS 2015-02-12 12:30:29 +01:00
mmu_context.h MIPS: HTW: Prevent accidental HTW start due to nested htw_{start, stop} 2015-02-16 10:55:26 +01:00
mmzone.h
module.h MIPS: asm: module: define MODULE_PROC_FAMILY for MIPS R6 2015-02-17 15:37:17 +00:00
msa.h MIPS: Introduce accessors for MSA vector registers 2015-09-03 12:07:40 +02:00
msc01_ic.h
nile4.h
paccess.h MIPS: Apply `.insn' to fixup labels throughout 2014-11-24 07:45:36 +01:00
page.h MIPS: Fix flood of warnings about comparsion being always true. 2015-11-16 12:07:10 +01:00
pci.h Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
perf_event.h
pgalloc.h
pgtable-32.h MIPS: BCM77xx: Remove legacy __cpuinit{,data} sections that crept in 2015-06-21 21:53:42 +02:00
pgtable-64.h MIPS: Expand __swp_offset() to carry 40 significant bits for 64-bit kernel. 2015-04-01 17:21:59 +02:00
pgtable-bits.h Merge branch '4.2-fixes' into mips-for-linux-next 2015-09-03 14:06:33 +02:00
pgtable.h MIPS: Fix definition of pgprot_writecombine() 2015-09-03 12:08:00 +02:00
pm-cps.h
pm.h
pmon.h
prefetch.h
processor.h MIPS: Initial implementation of a VDSO 2015-11-11 08:36:36 +01:00
prom.h MIPS: prepare for user enabling of CONFIG_OF 2015-06-21 21:54:14 +02:00
ptrace.h MIPS: Add uprobes support. 2015-09-03 12:08:05 +02:00
r4k-timer.h
r4kcache.h MIPS: r4kcache: Use correct base register for MIPS R6 cache flushes 2015-04-10 15:41:46 +02:00
reboot.h
reg.h
regdef.h
rtlx.h
seccomp.h mips: switch to using asm-generic for seccomp.h 2015-04-17 09:04:10 -04:00
setup.h
sgialib.h MIPS: ARC: Add declarations for a few missing ARC firmware functions. 2015-01-13 16:04:28 +01:00
sgiarcs.h
shmparam.h
sigcontext.h
signal.h MIPS: Use common FP sigcontext code for O32 compat 2015-09-03 12:07:56 +02:00
sim.h
smp-cps.h
smp-ops.h
smp.h MIPS: SMP: Don't increment irq_count multiple times for call function IPIs 2015-08-03 09:25:12 +02:00
sni.h
socket.h
sparsemem.h
spinlock.h MIPS: Select CONFIG_ARCH_USE_CMPXCHG_LOCKREF for MIPS64 2015-09-03 12:08:01 +02:00
spinlock_types.h
spram.h MIPS: asm: spram: Add new symbol for MIPS scratch pad storage 2015-02-17 15:37:20 +00:00
stackframe.h MIPS: Flush RPS on kernel entry with EVA 2015-08-03 10:29:11 +02:00
stackprotector.h
stacktrace.h
string.h
switch_to.h MIPS: Tidy up FPU context switching 2015-09-03 12:08:05 +02:00
syscall.h MIPS: Fix syscall_get_nr for the syscall exit tracing. 2015-02-04 16:40:09 +01:00
termios.h
thread_info.h MIPS: Add uprobes support. 2015-09-03 12:08:05 +02:00
time.h MIPS: Remove "weak" from get_c0_compare_int() declaration 2015-09-03 12:07:38 +02:00
timex.h
tlb.h
tlbdebug.h MIPS: Refactor dumping of TLB registers for r3k/r4k 2015-09-03 12:07:45 +02:00
tlbflush.h
tlbmisc.h
topology.h sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask() 2015-05-27 15:22:15 +02:00
traps.h
txx9irq.h MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
txx9pio.h
txx9tmr.h
types.h MIPS: Remove now unused definition of phys_t. 2014-11-24 22:47:31 +01:00
uaccess.h MIPS: Fix bitrot in __get_user_unaligned() 2015-12-27 20:07:44 +01:00
uasm.h MIPS: Add MFHC0 and MTHC0 instructions to uasm. 2014-11-24 22:47:31 +01:00
unaligned.h
unistd.h
uprobes.h MIPS: Add uprobes support. 2015-09-03 12:08:05 +02:00
vdso.h MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime() 2015-11-11 08:36:41 +01:00
vga.h
vpe.h MIPS: MT: Remove "weak" from vpe_run() declaration 2015-08-26 15:23:40 +02:00
war.h
watch.h
wbflush.h