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36 commits

Author SHA1 Message Date
Richard Henderson 70f28c8bd5
tcg: Implement insert_op_before 
Rather reserving space in the op stream for optimization,
let the optimizer add ops as necessary.

Backports commit a4ce099a7a4b4734c372f6bf28f3362e370f23c1 from qemu
 2018-02-09 13:11:50 -05:00
Richard Henderson 4fcaabf38c
tcg: Remove opcodes instead of noping them out 
With the linked list scheme we need not leave nops in the stream
that we need to process later.

Backports commit 0c627cdca20155753a536c51385abb73941a59a0 from qemu
 2018-02-09 13:03:58 -05:00
Richard Henderson 500c546444
tcg: Move some opcode generation functions out of line 
Some of these functions are really quite large.  We have a number of
things that ought to be circularly dependent, but we duplicated code
to break that chain for the inlines.

This saved 25% of the code size of one of the translators I examined.
 2018-02-09 08:10:00 -05:00
zhangwm ccdb0ff523 armeb: rename arm's and mips's *REGS_STORAGE_SIZE to avoid big-endian and little-endian's duplicated definition. 2017-03-15 22:25:35 +08:00
Nguyen Anh Quynh a267af7d95 add arm_release to qemu/header_gen.py, and regenerate qemu/armeb.h 2017-03-14 23:41:31 +08:00
Nguyen Anh Quynh c3808179e1 another attempt to fix #766 2017-02-26 15:22:24 +08:00
Nguyen Anh Quynh 5de0785a1b cleanup qemu/memory.c 2017-01-22 23:07:17 +08:00
Nguyen Anh Quynh ac68745a9c we dont need to handle VGA & Migration memories 2017-01-20 17:03:39 +08:00
Nguyen Anh Quynh c6de7930c9 remove mutex code 2017-01-20 15:44:03 +08:00
Nguyen Anh Quynh 42771848d6 no more spinlock 2017-01-20 14:57:33 +08:00
Nguyen Anh Quynh a7fca49f7a delete qemu/include/qemu/notify.h 2017-01-20 14:47:41 +08:00
Nguyen Anh Quynh 8a5b12c6f9 more cleanup in qemu/include/hw/ 2017-01-19 15:20:06 +08:00
Nguyen Anh Quynh 0640b35943 mips: remove qemu/hw/mips/mips_int.c 2017-01-19 13:07:28 +08:00
Nguyen Anh Quynh c1f39c3db2 cleanup qemu/util code 2017-01-10 12:57:12 +08:00
Nguyen Anh Quynh af165d254c clean all qobject json code 2017-01-09 16:09:53 +08:00
Nguyen Anh Quynh 16894fdb6c cleanup some qemu/util code 2017-01-09 15:48:21 +08:00
Nguyen Anh Quynh d7ead1135d cleanup 2017-01-09 13:28:28 +08:00
Chris Eagle e46545f722 remove glib dependency by provide compatible replacements 2016-12-18 14:56:58 -08:00
Fish ad7ae63e92 Remove unmapped/freed memory regions from the object property list. 
This commit fixes the following issues:
- Any unmapped/free'd memory regions (MemoryRegion instances) are not
  removed from the object property linked list of its owner (which is
  always qdev_get_machine(uc)). This issue makes adding new memory
  mapping by calling mem_map() or mem_map_ptr() slower as more and more
  memory pages are mapped and unmapped - yes, even if those memory pages
  are unmapped, they still impact the speed of future memory page
  mappings due to this issue.
- FlatView is not reconstructed after a memory region is freed during
  unmapping, which leads to a use-after-free the next time a new memory
  region is mapped in address_space_update_topology().
 2016-10-20 03:48:58 -07:00
Hoang-Vu Dang b9a10152f1 memleak: code_gen_buffer using g_free for non-linux 2016-07-11 10:13:13 -05:00
danghvu 27e0699ef5 mips: Fix memleak 2016-07-09 20:16:00 -05:00
Nguyen Anh Quynh f4723916df remove qemu_cond_destroy from qemu/header_gen.py 2016-04-23 10:23:09 +08:00
Nguyen Anh Quynh 3a742fb6f6 fix conflicts when merging no-thread to master 2016-04-23 10:06:57 +08:00
Chris Eagle 9467254fc0 strip out per cpu thread code 2016-03-25 17:24:28 -07:00
Nguyen Anh Quynh 20b01a6933 fix merge conflict 2016-02-01 12:08:38 +08:00
Nguyen Anh Quynh 6490b4f2a9 arm64: fix the issue of multiple definition of aarch64_tb_set_jmp_target (issue #387) 2016-01-22 22:44:18 +08:00
Nguyen Anh Quynh 07bd81bda6 do not redefine tb_set_jmp_target1. this partly fixes issue #387 2016-01-22 11:29:22 +08:00
Nguyen Anh Quynh 3b52af4fbd avoid confusion between macro & variable use_idiv_instructions (ARM backend) 2016-01-18 23:53:50 +08:00
Nguyen Anh Quynh d9249b91c2 add some missing symbols for ARM backend 2016-01-18 20:42:45 +08:00
farmdve 036763d6ae Fix memory leaks as reported by DrMemory and Valgrind. 
ARM and probably the rest of the arches have significant memory leaks as
they have no release interface.

Additionally, DrMemory does not have 64-bit support and thus I can't
test the 64-bit version under Windows. Under Linux valgrind supports
both 32-bit and 64-bit but there are different macros and code for Linux
and Windows.
 2016-01-08 01:42:56 +02:00
Nguyen Anh Quynh e8a295991f update qemu/header_gen.py 2016-01-06 00:44:29 +07:00
JC Yang 8ef018a2cb Fix possible wrong conditional branch in generated host code by fixing 
the tcg_liveness_analysis().
Refer to https://github.com/unicorn-engine/unicorn/issues/287 for further info.
 2015-12-21 18:01:01 +08:00
Ryan Hileman 6d21ebabea implement host-controlled memory mapping for #261 2015-11-27 23:30:36 -08:00
Nguyen Anh Quynh 886946dcf4 do not use syscall to quit emulation. this can fix issues #147 & #148 2015-09-26 16:49:00 +08:00
Chris Eagle 6beb1b8a13 intermediate commit, working unmap of complete blocks, still need sub-blocks, and cross block 2015-08-29 21:17:30 -07:00
Nguyen Anh Quynh 344d016104 import 2015-08-21 15:04:50 +08:00