02cf211968
Cleanup the mess in cpu_cache_init.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:32 +01:00
c78cbf49c4
Support for MIPSsim, the cycle accurate MIPS simulator.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:30 +01:00
b288f13587
Switch Sibyte profiling driver to ->compat_ioctl
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:29 +01:00
ea3d710fe5
Revise MIPS 64-bit ptrace interface
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Change the N32 debugging ABI to something more sane, and add support
for o32 and n32 debuggers to trace n64 programs.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:29 +01:00
0bf0e3e279
Fix excessive signal latencies.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:23 +01:00
5bcb9a58e6
Move genrtc.c's functions into <asm/rtc.h>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:15 +01:00
340ee4b98c
Virtual SMP support for the 34K.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:10 +01:00
d03d0a5775
MT bulletproofing.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:09 +01:00
e027802e98
Display presence of SmartMIPS, DSP and MT ASEs in /proc/cpuinfo.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:05 +01:00
3bffe736d9
Delete old junk.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:04 +01:00
28a7879d8c
Spelling fix.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:03 +01:00
d9912d8784
Inlining will result in back-to-back mtc0 mfc0 instructions. Break the
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hazard by using back_to_back_c0_hazard().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:32:00 +01:00
8d9c62675d
sys is only used for native o32 ...
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:58 +01:00
075e7502d9
R4600 has 32 FPRs.
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Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:58 +01:00
ae1b3d51c8
Make sure that the processor is actually online or die spectacularly.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:55 +01:00
1d40cfcd34
Avoid SMP cacheflushes. This is a minor optimization of startup but
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will also avoid smp_call_function from doing stupid things when called
from a CPU that is not yet marked online.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:54 +01:00
bdf21b18b4
Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:54 +01:00
e01402b115
More AP / SP bits for the 34K, the Malta bits and things. Still wants
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a little polishing.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:53 +01:00
7e35952baa
Move Origin crapola into a machine-specific header file.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:52 +01:00
a0c3a5b5a8
Prevent gcc from optimizing a few functions away completly.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:52 +01:00
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>
2005-10-29 19:31:51 +01:00
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>
2005-10-29 19:31:48 +01:00
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>
2005-10-29 19:31:48 +01:00
7db36c858c
Add inotify syscalls for MIPS.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:47 +01:00
ec74e361f1
Mark a few variables __read_mostly.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:46 +01:00
bbc7f22f6d
Detect the 34K.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:45 +01:00
129bc8f78b
Setup_frame is now returning a success value.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:41 +01:00
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>
2005-10-29 19:31:41 +01:00
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>
2005-10-29 19:31:37 +01:00
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>
2005-10-29 19:31:33 +01:00
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>
2005-10-29 19:31:31 +01:00
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>
2005-10-29 19:31:29 +01:00
260c96738c
Mark __die() "noreturn" for real.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:26 +01:00
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>
2005-10-29 19:31:23 +01:00
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>
2005-10-29 19:31:22 +01:00
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>
2005-10-29 19:31:19 +01:00
e50c0a8fa6
Support the MIPS32 / MIPS64 DSP ASE.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:17 +01:00
10f650db1b
64-bit fixes for Alchemy code ;)
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:17 +01:00
f8280c8d3d
Fix tasteless #ifdef mess in audit_arch(), minor cleanups.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:16 +01:00
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>
2005-10-29 19:31:13 +01:00
d547c5cc21
sys_nfsservctl() needs translation.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:13 +01:00
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>
2005-10-29 19:31:13 +01:00
4194318c39
Cleanup decoding of MIPSxx config registers.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:12 +01:00
cd21dfcfbb
Fix preemption and SMP problems in the FP emulator code.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:12 +01:00
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>
2005-10-29 19:31:08 +01:00
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>
2005-10-29 19:31:06 +01:00
3c37026d43
NPTL, round one.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:06 +01:00
f03da6e28e
Fix BogoMIPS display on UP and some minor cosmetical things.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29 19:31:05 +01:00
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>
2005-10-29 19:31:04 +01:00
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>
2005-10-29 19:31:04 +01:00
Ralf Baechle
Daniel Jacobowitz
Thiemo Seufer
Pete Popov
Maciej W. Rozycki