Thomas Moestl
9300cb7db7
Save/restore the %y register around calls to the C user trap handler;
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gcc emits the deprecated sparc v8 instructions that use this register
when optimizing for UltraSparc machines because they are apparetly
faster then their v9 counterpars there.
2002-03-11 02:53:03 +00:00
Thomas Moestl
4895e965c3
Add userland floating point emulator code for sparc64. This is a port
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of the (never committed) in-kernel version (with some optimizations and
cleanups), which in turn was ported from NetBSD.
2002-02-23 21:37:18 +00:00
Jake Burkholder
3b16ee2c6c
Fix wrong offsets. Add offsets for %fsr and %tstate.
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Submitted by: tmm
2002-02-23 19:01:22 +00:00
Jake Burkholder
d1497824f0
Add space for %fsr and %tstate to utrapframe. Save them in the generic
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user trap entry code. Restore %asi and %ccr from the saved %tstate before
returning to the trapping user code.
Submitted by: tmm
2002-02-23 19:00:30 +00:00
Jake Burkholder
29c3ea8424
Connect user trap code to the build.
2002-01-01 21:59:53 +00:00
Jake Burkholder
6ce4e876a7
Add libc side of user trap handling.
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Add support for handling floating point disabled traps mostly in userland
for the simple single threaded case. Not yet enabled by default.
Implement __sparc_utrap_install as specified by the sparc abi.
2002-01-01 21:58:32 +00:00
Jake Burkholder
1b46a084f3
Make sure curbrk is well aligned.
2001-12-29 06:40:58 +00:00
Jake Burkholder
b6d97b0c52
Need .type and .size here too.
2001-11-18 04:48:34 +00:00
Jake Burkholder
29e5109c5f
Remove fork and vfork wrappers. The kernel does the right thing.
2001-11-18 04:31:36 +00:00
Jake Burkholder
e74ea2d01a
Minimal libc for sparc64.
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Reviewed by: obrien
2001-10-26 05:40:07 +00:00
