Ralf Baechle
8f40611d2b
Detect the MIPS R2 vectored interrupt, external interrupt controller
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options and the precense of the MT ASE.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
55d04dff0f
New kernel option nowait allows disabling the use of the wait instruction.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
569f75bd02
Use an irq_enable_hazard hazard barrier in unmask_mips_irq. This
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hasn't been an actual bug, so it's more a change to be 100% compliant
with the requirements of the architecture spec. Similar fix to
mask_mips_irq where there was a slightly less theoretical chance of
getting hit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
7db36c858c
Add inotify syscalls for MIPS.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
ec74e361f1
Mark a few variables __read_mostly.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
bbc7f22f6d
Detect the 34K.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
129bc8f78b
Setup_frame is now returning a success value.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
b490ff4270
Temporary hack for Qemu and MIPSsim until they get a proper ELF loader.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
6e760c8dae
Rename CONFIG_CPU_MIPS{32,64} to CONFIG_CPU_MIPS{32|64}_R1.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
c134a5ecdb
Avoid defining variables in the middle of a block which breaks older
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compilers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
c4559f67b7
Always use ".set mips3" rather than select between "mips2" or "mips3"
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for assembling ll/sc sequences to avoid problems with 64-bit
configurations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
3b2396d972
Use correct names for bits in the R3k cp0.status register.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
260c96738c
Mark __die() "noreturn" for real.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
02416dcf5a
Redo RM9000 workaround which along with other DSP ASE changes was
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causing some headache for debuggers knowing about signal frames.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
aac8aa7717
Enable a suitable ISA for the assembler around ll/sc so that code
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builds even for processors that don't support the instructions.
Plus minor formatting fixes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
d5b6f1db5d
For MIPS32/MIPS64 cp0.config.mt == 1 implies a standard (R4k-style)
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TLB, so no need to set it separately for each implementation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
e50c0a8fa6
Support the MIPS32 / MIPS64 DSP ASE.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
10f650db1b
64-bit fixes for Alchemy code ;)
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
f8280c8d3d
Fix tasteless #ifdef mess in audit_arch(), minor cleanups.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
1d74f6bc85
__compute_return_epc() uses CFC1 instruction which might result in a
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coprocessor unusable exception since the process can lose its fpu
context by preemption.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Maciej W. Rozycki
d547c5cc21
sys_nfsservctl() needs translation.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
b382fe8483
No point in checking cpu_has_tlb before we've computed the CPU options.
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So for now we just unconditionally set the option - Linux wouldn't
work without a TLB anyway.
Setting MIPS_CPU_4KTLB was missing for Alchemy and Sandcraft, add that
back.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
4194318c39
Cleanup decoding of MIPSxx config registers.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
cd21dfcfbb
Fix preemption and SMP problems in the FP emulator code.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Thiemo Seufer
cce812c99c
Ustat needs a wrapper on n32.
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Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
1fcf1cc742
We pass a kernel pointer to do_sigaltstack in sys32_sigaltstack, so
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we need to do the set_fs(KERNEL_DS) thing around this call.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
3c37026d43
NPTL, round one.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
f03da6e28e
Fix BogoMIPS display on UP and some minor cosmetical things.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Thiemo Seufer
589391a0fe
fcntl64 needs to be wrapped for n32.
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Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
05b8042ac6
Fix one more case of computing the return EPC after the registers have
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already been modified.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
6dd0468852
When simulating ll/sc compute the return EPC before modifying the
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registers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
2b07bd0235
Detect the 4KEcR2 and for now detect handle it like the 4KEc.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Pete Popov
fe359bf584
Fixed buglet with previous patch that broke non au1x builds.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Pete Popov
494900af68
Remove CONFIG_PM dependency from au1x wait in cpu_probe.
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Additional work necessary to completely remove that config option.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Thiemo Seufer
1b3a6e975c
Fix 64bit SMP TLB handler and stack frame handling, optimize 32bit SMP
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TLB handlers a bit, match definitions in pgtable-{32,64}.h better.
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
209ac8ddb1
Use compat_sigval_t in struct compat_siginfo.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
1592dac241
Reformatting, remove debugging code.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
b4dbf95e30
Get rid of the the remains of 2.4-style ramdisk support.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
71e0e556db
Multithreaded core dumps.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Thiemo Seufer
90a67b5909
sys_futex has 6 arguments.
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Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
9ff77c469e
Export shm_align_mask and flush_data_cache_page.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
77c728c224
Gcc 4.0 fixes.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
cdaed73afb
Fix preemption bug.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
fe00f943e0
Sparseify MIPS.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
14f18b7f7e
On 24K we did always disable cache parity protection - obviously not
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the greatest thing to do. Try to enable parity protection, check if
we actually succeeded and print a message about the outcome of this.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
0f04afb595
ISOify.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Pete Popov
e3ad1c23ba
Base Au1200 2.6 support.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Steven J. Hill
784f7b9d89
Fix 'prctl' system call for IRIX. At this point IRIX 5.3 static binaries
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are now working for 80% of the ones I have tried. The other ones that do
not work all fail in the same way with the same messages. Once that bug
is tracked down, we should be in good shape. Task locking still needs
some work.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
8ab00b9a02
Convert struct hw_interrupt_type initializations to ISO C99 named
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initializers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago
Ralf Baechle
b727a60258
Merge do_boot_cpu() into the new style __cpu_up().
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
20 years ago