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80 Commits

Author SHA1 Message Date
edgar_igl
30abcfc7ba CRIS: Restructure the translator to allow for better code generation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4594 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-27 21:10:56 +00:00
bellard
bbff8895da remove absolete function 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4578 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-25 18:01:24 +00:00
pbrook
cb63669a54 Fix ARM conditional branch bug. 
Add tcg_gen_brcondi.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4552 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-24 02:22:00 +00:00
edgar_igl
d189633603 Use tcg_gen_not. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4480 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-17 19:11:14 +00:00
edgar_igl
cf1d97f074 CRIS: Improve TLB management and handle delayslots at page boundaries. 
* Dont flush the entire qemu tlb when the $pid changes. Instead we go through
  the guests TLB and choose entries that need to be flushed.
* Add env->dslot and handle delayslots at pageboundaries.
* Remove some unused code.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4450 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-13 10:59:14 +00:00
edgar_igl
a39f8f3ad9 CRIS: Remove some old dyngen T0/T1 fiddle. More usage of the results from the x flag liveness analysis. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4433 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-12 07:57:23 +00:00
pbrook
390efc54fb Add TCG native negation op. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4426 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-11 14:35:37 +00:00
pbrook
868314358e Add zero extension (pseudo-)ops. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4424 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-11 12:22:01 +00:00
edgar_igl
2f3a1b072a CRIS: helper_dummy no longer needed as barrier for qemu_ld/st. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4416 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-10 19:20:33 +00:00
edgar_igl
73e517236c CRIS: Concistent use of btarget and make it possible to single-step over delayslots. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4389 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-09 08:14:05 +00:00
edgar_igl
dceaf39458 CRIS: More TCG conversion. 
* Convert moves to/from support function regs (including TLB updates) to TCG.
* SCC no longer requires T0 to strictly be 0 or 1, relaxed to 0 or non-zero.
* Convert the the condition code evaluation to TCG.
* Convert rfe into a helper and TCG.
* Convert evaluate_bcc and setf to TCG.
* Convert clrf to TCG.
* Convert CRIS exception raising to TCG.
* Convert btst to TCG.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4376 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-07 15:24:53 +00:00
edgar_igl
17ac975463 More TCG updates for CRIS 
* Convert parts of the jump logic to TCG.
* Stores no longer have to go via T0/T1.
* Use the byte and halfword ldx_code variants when appropriate for insn fetching.
* Do not disassemble beyond the translation block.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4350 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-06 08:30:15 +00:00
edgar_igl
aae6b32ae6 CRIS: Convert divide step to TCG. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4313 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-03 21:34:39 +00:00
edgar_igl
d059c17270 CRIS: Convert lz (leading zeros) to TCG. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4309 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-03 17:11:36 +00:00
edgar_igl
50cfa95cbd CRIS: Eliminate a few unneeded moves to/from T0/T1. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4306 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-03 08:36:16 +00:00
edgar_igl
c7d0569543 CRIS: Do post-increment without going via T0. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4304 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-03 06:54:52 +00:00
edgar_igl
b41f7df018 CRIS updates: 
* Support both the I and D MMUs and improve the accuracy of the MMU model.
* Handle the automatic user/kernel stack pointer switching when leaving or entering user mode.
* Move the CCS evaluation into helper funcs.
* Make sure user-mode cannot change flags only writeable in kernel mode.
* More conversion of the translator into TCG.
* Handle exceptions while in a delayslot.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4299 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-05-02 22:16:17 +00:00
aurel32
d2856f1ad4 Factorize code in translate.c 
(Glauber Costa)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4274 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-28 00:32:32 +00:00
aurel32
ca10f86763 Remove osdep.c/qemu-img code duplication 
(Kevin Wolf)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4191 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-11 21:35:42 +00:00
edgar_igl
a825e703ee More TCG conversions for CRIS. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4071 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-16 16:51:58 +00:00
edgar_igl
3157a0a93b More TCG conversions for CRIS. 
* Bit swap insn (bitwise not, endian swap and bit reverse).
* Muls and mulu.
* Extended arithmetics.
* Parts of the condition code handling.
* Use tcg_const_tl.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4069 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-15 20:45:05 +00:00
edgar_igl
54728ac6db Simplified some dead extended arith code after search and replace. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4066 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-15 09:13:04 +00:00
edgar_igl
05ba7d5f34 A first small step to convert the CRIS translator to TCG. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4057 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-14 01:11:25 +00:00
edgar_igl
4f400ab520 Cut the translation block after translating a break insn. This avoids an issue where QEMU finds an illegal CRIS insn while the guest is returning through a signal return trampoline. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3997 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-28 09:37:58 +00:00
edgar_igl
9004627f9b More consistent naming for CRIS register-number macros. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3996 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-28 08:28:32 +00:00
edgar_igl
5d4a534dec Silently ignore CRIS cache flushes, instead of aborting due to unknown insn. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3990 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-25 09:58:22 +00:00
bellard
57fec1fee9 use the TCG code generator 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3944 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-02-01 10:50:11 +00:00
balrog
fd56059fb6 Optimize clear insns by treating support reg P0 specially and 
add missing micro-op RETURN's (Edgar E. Iglesias).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3913 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-01-14 03:18:30 +00:00
bellard
aaed909a49 added cpu_model parameter to cpu_init() 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3562 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-10 15:15:54 +00:00
ths
8170028d75 CRIS instruction translation, by Edgar E. Iglesias. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3358 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-10-08 12:49:08 +00:00