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Author SHA1 Message Date
gbeauche
ebb67f0421 - Minor optimization to execute_ppc() as we apparently don't need to move 
target PC into CTR.
- Fix breakage introduced during little endian fixing. We now assume that
  MacOS doesn't rely on any PPC register that may have been saved on top
  of it stack. i.e. register state is saved onto native stack.
 2003-10-11 09:33:27 +00:00
gbeauche
1012da75dd - Cleanups & make sure PPC emulator config is setup in sysdeps.h 
- Log r24 in SheepShaver mode as this represents the 68k emulator PC
 2003-10-11 09:03:03 +00:00
gbeauche
be50ff1b42 Adapt ROM patches space to Gossamer ROMs layout. Weird that it passed the 
other day.
 2003-10-07 19:28:09 +00:00
gbeauche
ad0aea0403 fix parcels decoder 2003-10-06 21:23:53 +00:00
gbeauche
0cb51c42dd cleanups :-) 2003-10-06 21:01:22 +00:00
gbeauche
974ebd5d91 - Add checks against ROM patches space 
- Make sure to also load the floppy disk driver with Gossamer ROMs so
  that exfs feature can work too
 2003-10-06 21:00:48 +00:00
gbeauche
c9b8dd6628 tm_task is actually correct for both nw & gossamer ROMs 2003-10-05 23:49:19 +00:00
gbeauche
84ce1f2b0d fix tm_task patch for Gossamer ROMs 2003-10-05 23:38:07 +00:00
gbeauche
3768573d35 Add support for Gossamer ROMs (DTG3) 2003-10-05 23:05:05 +00:00
gbeauche
b66f5972f9 Make sure a 32-bit B2/JIT works reasonnably well on AMD64 too. This implies 
to force RAMBaseHost < 0x80000000. This is empirically determined to work on
Linux/x86 and Linux/amd64.
 2003-10-03 18:18:15 +00:00
gbeauche
87e4d48b3e flags are live after a call to fflags_into_flags_internal() 2003-10-02 09:51:14 +00:00
gbeauche
c464b19f06 get a chance to see some illegal instruction variants if we ever come to 
encounter them.
 2003-10-02 09:48:10 +00:00
gbeauche
19053d4992 little endian fixes, note that trampolines are still not 64-bit clean either 2003-09-29 22:50:31 +00:00
gbeauche
663b536257 Little endian fixes to Serial trampolines. 2003-09-29 22:49:23 +00:00
gbeauche
7ac3170cb4 More little endian fixes 2003-09-29 22:48:22 +00:00
gbeauche
aafd6e4898 Little endian fixes to FindLibSymbol(). This is not 64-bit clean and this 
needs to go through a more appropriate thunking mechanism.
 2003-09-29 22:47:39 +00:00
gbeauche
5229b42622 basic implementation for missing functions (signbit/isless/isgreater) in 
older C libraries
 2003-09-29 22:45:31 +00:00
gbeauche
1713a26a3f NULL is the null pointer to member function 2003-09-29 22:42:53 +00:00
gbeauche
792bef8e61 Make older & bogus compilers happy. aka. force "static" storage class 
for SPIN_LOCK_UNLOCKED constant.
 2003-09-29 22:41:50 +00:00
gbeauche
c7dd356f7f VSLNewInterruptService() returns a serviceID in big endian format 2003-09-29 20:31:47 +00:00
gbeauche
3d4ed54488 first round of little endian fixes 2003-09-29 20:30:21 +00:00
gbeauche
b8b139faf2 - Share EmulatorData & KernelData struct definitions 
- Introduce new SheepShaver data area for alternate stacks, thunks, etc.
- Experimental asynchronous interrupts handling. This improves performance
  by 30% but some (rare) lockups may occur. To be debugged!
 2003-09-29 15:46:09 +00:00
cebix
ddcfbe2bda parallel build uses NCPU jobs instead of NCPU+1 2003-09-29 13:30:29 +00:00
gbeauche
2d92ad6dfb spinlocks from QEMU 2003-09-29 08:27:56 +00:00
gbeauche
f9dd276a47 use spinlocks on SheepShaver/Linux/PPC, and possibly others where spinlocks 
are available. TODO: check the fastest & safest means to lock VOSF stuff.
 2003-09-29 08:27:24 +00:00
gbeauche
23c4ebcdf3 really fix typo! 2003-09-29 08:04:22 +00:00
gbeauche
aa61c47591 fix typo 2003-09-29 08:02:04 +00:00
gbeauche
1c2fa89e31 use B2 sigsegv API instead of rewriting yet another sigsegv handler for x86 2003-09-29 07:05:15 +00:00
gbeauche
a48a804c15 New SIGSEGV API so that skip-instruction requests are more explicit. Yes, 
that's api change, but that's cooler now for SheepShaver. ;-)
 2003-09-29 07:02:58 +00:00
gbeauche
5b57fde6ce New NativeOps for DisableInterrupt() & EnableInterrupt(). 2003-09-28 21:27:55 +00:00
gbeauche
3851071ecd Try to handle XLM_IRQ_NEST atomically in emulated PPC views. Fix placement 
of fake SCSIGlobals (disabled for now). Switch back to mono core emulation
until things are debugged enough. Implement get_resource() et al.
 2003-09-28 21:27:34 +00:00
gbeauche
2a86a4f62a Handle dcbz. Ignore unaligned load/store multiple. Fix icbi/isync. 2003-09-28 21:22:59 +00:00
gbeauche
4e5e13d92d make do_execute() a template so that execution loop prologues/epilogues 
can be performed in derived engines
 2003-09-28 21:22:09 +00:00
gbeauche
2f13888ea8 plain interpretive mode for debugging purposes 2003-09-28 21:21:07 +00:00
gbeauche
28ae4b0028 Disable SIGUSR2 handler in EMULATED_PPC mode for now 2003-09-28 21:20:38 +00:00
gbeauche
9914de4a09 Define HAVE_PTHREADS, if available 2003-09-28 21:19:06 +00:00
gbeauche
2a756136e4 more tests 2003-09-21 22:13:09 +00:00
gbeauche
2cc3b4edab fix xoris 2003-09-21 21:45:05 +00:00
gbeauche
089247fcff Merge in cpu core: 
- make cache invalidation routines public
- fix shift instructions, especially for invalid shift counts
- fix mullwo to set overflow only if the product can't be represented in
  32 bits
 2003-09-15 22:48:57 +00:00
gbeauche
09c674f63a factor out -I usage 2003-09-14 22:11:42 +00:00
gbeauche
b5b471b4f1 add PowerPC emulator tester 2003-09-14 22:10:58 +00:00
gbeauche
fb8fbf71ed PowerPC emulator fixes: 
- make divw. behaviour more realistic (vs ppc 7410) when rB == 0
- fix carry/overflow computations to fix SUBFME handling
- fix nand duplicate with wrong operand
 2003-09-14 22:09:13 +00:00
gbeauche
cb1dd6dac5 - Integrate new NativeOp instructions to be used as trampolines to call 
native functions from ppc code.
- Little endian fixes in emul_op.cpp
- Add new 'gpch' 750 patch to workaround crash with MacOS 8.6
- Don't crash in Process Manager on reset/shutdown with MacOS 8.6
- We also have an experimental interrupt thread in emulation mode
 2003-09-07 14:33:54 +00:00
gbeauche
15a1208483 Handle new ppc emulator 2003-09-07 14:26:15 +00:00
gbeauche
6ff594e32d Handle manual updates with kpx_cpu core 2003-09-07 14:25:48 +00:00
gbeauche
029a7fd85b Merge in old kpx_cpu snapshot for debugging 2003-09-07 14:25:05 +00:00
gbeauche
10aa71cb58 Handle --enable-ppc-emulator. Add Kheperix cpu emulator to sources 2003-09-07 14:21:20 +00:00
gbeauche
3f9b589eea Add byteswap routines 2003-09-07 14:19:25 +00:00
gbeauche
505455c8c4 Check for readline headers in the headers check section as otherwise, and 
I don't exactly know why, AC_HEADER_STDC would fail with newer autoconf
versions.
 2003-08-17 11:58:00 +00:00
gbeauche
ac027954dc Bring x86 instruction skipper back to life 2003-08-17 10:52:52 +00:00