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33 commits

Author SHA1 Message Date
Ralf Baechle
bb12d612d4 [MIPS] Make mips_srs_init static. 
Nothing outside traps.c uses it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:29 +02:00
Ralf Baechle
f088fc84f9 [MIPS] FPU affinity for MT ASE. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:28 +02:00
Ralf Baechle
41c594ab65 [MIPS] MT: Improved multithreading support. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:28 +02:00
Ralf Baechle
193dd2ce2a [MIPS] R2: Implement shadow register allocation without spinlock. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:22 +02:00
Ralf Baechle
e4ac58afdf [MIPS] Rewrite all the assembler interrupt handlers to C. 
Saves like 1,600 lines of code, is way easier to debug, compilers
frequently do a better job than the cut and paste type of handlers many
boards had.  And finally having all the stuff done in a single place
also means alot of bug potencial for the MT ASE is gone.

The only surviving handler in assembler is the DECstation one; I hope
Maciej will rewrite it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:21 +02:00
Ralf Baechle
ff3eab2a98 [MIPS] Some formatting fixes. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:13 +02:00
Ralf Baechle
7acb783ecd [MIPS] Fixup printk in mips_srs_init. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:13 +02:00
Ralf Baechle
e76038dcc0 [MIPS] Remove redundant initialization of sr_allocated. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:13 +02:00
Ralf Baechle
b4d05cb9cb [MIPS] Make set_vi_srs_handler static. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-04-19 04:14:12 +02:00
Ralf Baechle
a3dddd560e [MIPS] War on whitespace: cleanup initial spaces followed by tabs. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-03-21 13:27:47 +00:00
Ralf Baechle
36ccf1c0e3 [MIPS] Make integer overflow exceptions in kernel mode fatal. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-02-21 16:58:22 +00:00
Ralf Baechle
b38c73995f [MIPS] Clear ST0_RE on bootup. 
The reset state is undefined and some firmware doesn't clear this bit
possibly resulting in crashes on entry into userland.
    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-02-07 13:30:26 +00:00
Al Viro
dc8f6029cd [PATCH] mips: task_thread_info() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 2006-01-12 09:08:59 -08:00
Daniel Jacobowitz
56ebd51bae [MIPS] Generate SIGILL again 
The rdhwr emulation accidentally swallowed the SIGILL from most other
illegal instructions.  Make sure to return -EFAULT by default.
    
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-12-01 11:05:14 +00:00
Ralf Baechle
12616ed202 FPU emulator garbage collection. 
First argument of fpu_emulator_cop1Handler() was unused.
    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:43 +01:00
Ralf Baechle
178086c86a Don't print file name and line in die and die_if_kernel. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:42 +01:00
Ralf Baechle
ec917c2c1a Fixup a few lose ends in explicit support for MIPS R1/R2. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:37 +01:00
Ralf Baechle
340ee4b98c Virtual SMP support for the 34K. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:10 +01:00
Ralf Baechle
d03d0a5775 MT bulletproofing. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:09 +01:00
Ralf Baechle
1d40cfcd34 Avoid SMP cacheflushes. This is a minor optimization of startup but 
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
Ralf Baechle
e01402b115 More AP / SP bits for the 34K, the Malta bits and things. Still wants 
a little polishing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:53 +01:00
Ralf Baechle
6e760c8dae Rename CONFIG_CPU_MIPS{32,64} to CONFIG_CPU_MIPS{32|64}_R1. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:37 +01:00
Maciej W. Rozycki
3b2396d972 Use correct names for bits in the R3k cp0.status register. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:29 +01:00
Maciej W. Rozycki
260c96738c Mark __die() "noreturn" for real. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:26 +01:00
Ralf Baechle
e50c0a8fa6 Support the MIPS32 / MIPS64 DSP ASE. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:17 +01:00
Ralf Baechle
cd21dfcfbb Fix preemption and SMP problems in the FP emulator code. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:12 +01:00
Ralf Baechle
3c37026d43 NPTL, round one. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:06 +01:00
Ralf Baechle
05b8042ac6 Fix one more case of computing the return EPC after the registers have 
already been modified.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:04 +01:00
Ralf Baechle
6dd0468852 When simulating ll/sc compute the return EPC before modifying the 
registers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:04 +01:00
Ralf Baechle
fe00f943e0 Sparseify MIPS. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:50 +01:00
Ralf Baechle
14f18b7f7e On 24K we did always disable cache parity protection - obviously not 
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>
 2005-10-29 19:30:49 +01:00
Ralf Baechle
875d43e72b [PATCH] mips: clean up 32/64-bit configuration 
Start cleaning 32-bit vs. 64-bit configuration.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 2005-09-05 00:06:06 -07:00
Linus Torvalds
1da177e4c3 Linux-2.6.12-rc2 
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
 2005-04-16 15:20:36 -07:00