Commit graph

65 commits

Author SHA1 Message Date
Peter Maydell 3664e1ab8a
sparc: allow CASA with ASI 0xa from user space
LEON3 allows the CASA instruction to be used from user space
if the ASI is set to 0xa (user data).

Backports commit bd4e097a8e30bb63ed7f46553b13f60809c30ac3 from qemu
2018-02-17 19:23:35 -05:00
Paolo Bonzini 1918761803
target-sparc: fix 32-bit truncation in fpackfix
This is reported by Coverity. The algorithm description at
ftp://ftp.icm.edu.pl/packages/ggi/doc/hw/sparc/Sparc.pdf suggests
that the 32-bit parts of rs2, after the left shift, is treated
as a 64-bit integer. Bits 32 and above are used to do the
saturating truncation.

Backports commit 12a3567c4099be194b44987ac5d7d65b99bcfab7 from qemu
2018-02-17 19:08:40 -05:00
Richard Henderson c01a6dab0a
target-*: Advance pc after recognizing a breakpoint
Some targets already had this within their logic, but make sure
it's present for all targets.

Backports commit 522a0d4e3c0d397ffb45ec400d8cbd426dad9d17 from qemu
2018-02-17 15:24:11 -05:00
Richard Henderson 3ec0adcc07
target-*: Introduce and use cpu_breakpoint_test
Reduce the boilerplate required for each target. At the same time,
move the test for breakpoint after calling tcg_gen_insn_start.

Note that arm and aarch64 do not use cpu_breakpoint_test, but still
move the inline test down after tcg_gen_insn_start.

Backports commit b933066ae03d924a92b2616b4a24e7d91cd5b841 from qemu
2018-02-17 15:24:10 -05:00
Richard Henderson a5ac288135
tcg: Remove gen_intermediate_code_pc
It is no longer used, so tidy up everything reached by it.
This includes the gen_opc_* arrays, the search_pc parameter
and the inline gen_intermediate_code_internal functions.

Backports commit 4e5e1215156662b2b153255c49d4640d82c5568b from qemu
2018-02-17 15:23:59 -05:00
Richard Henderson 1cbd175736
tcg: Pass data argument to restore_state_to_opc
The gen_opc_* arrays are already redundant with the data stored in
the insn_start arguments. Transition restore_state_to_opc to use
data from the latter.

Backports commit bad729e272387de7dbfa3ec4319036552fc6c107 from qemu
2018-02-17 15:23:58 -05:00
Lioncash b115c5509d
tcg: Add TCG_MAX_INSNS
Adjust all translators to respect it.

Backports commit 190ce7fbc79fd0883a6170d7f30da59d366e6830 from qemu
2018-02-17 15:23:58 -05:00
Richard Henderson 5637099383
target-*: Drop cpu_gen_code define
This symbol no longer exists.

Backports commit dc03246cc377268db63abc8c5663ef571aec2eea from qemu
2018-02-17 15:23:57 -05:00
Richard Henderson 25e0621757
target-sparc: Add npc state to insn_start
Backports commit a3d5ad761cafc669e25f4185e63d8d758a989135 from qemu
2018-02-17 15:23:57 -05:00
Richard Henderson 2c1ae7a408
target-sparc: Remove gen_opc_jump_pc
Since jump_pc[1] is always npc + 4, we can infer after incrementing
that jump_pc[1] == pc + 4. Because of that, we can encode the branch
destination into a single word, and store that in npc.

Backports commit 6c42444f9a53b6af39d46008cb9f650b11e96cb9 from qemu
2018-02-17 15:23:56 -05:00
Richard Henderson b709d15b13
target-sparc: Split out gen_branch_n
Unify three copies of this code from different
branch types. Fix the case when npc == DYNAMIC_PC,
i.e. a branch within a delay slot.

Backports commit 2bf2e019ed0a6349220620240c0ba807846793b9 from qemu
2018-02-17 15:23:56 -05:00
Richard Henderson ee918c940c
target-sparc: Tidy gen_branch_a interface
We always pass pc2 == dc->npc and r_cond == cpu_cond,
and always set is_br afterward. Infer all of that.

Backports commit bfa31b765798139804ce9e5e35c7e142d233df31 from qemu
2018-02-17 15:23:56 -05:00
Peter Crosthwaite 23dc795806
sparc: Remove ELF_MACHINE from cpu.h
The bootloaders can just pass EM_SPARC or EM_SPARCV9 directly, as
they are architecture specific code (to one or the other).

This removes another architecture specific definition from the global
namespace.

Backports commit 77452383e0c45704e2339b58eac29a3730bc18b1 from qemu
2018-02-17 15:23:55 -05:00
Benjamin Herrenschmidt 1722be3e73
tlb: Add ifetch argument to cpu_mmu_index()
This is set to true when the index is for an instruction fetch
translation.

The core get_page_addr_code() sets it, as do the SOFTMMU_CODE_ACCESS
acessors.

All targets ignore it for now, and all other callers pass "false".

This will allow targets who wish to split the mmu index between
instruction and data accesses to do so. A subsequent patch will
do just that for PowerPC.

Backports commit 97ed5ccdee95f0b98bedc601ff979e368583472c from qemu
2018-02-17 15:23:37 -05:00
Peter Crosthwaite e51f8c9f6f
cpu-exec: Purge all uses of ENV_GET_CPU()
Remove un-needed usages of ENV_GET_CPU() by converting the APIs to use
CPUState pointers and retrieving the env_ptr as minimally needed.

Scripted conversion for target-* change:

for I in target-*/cpu.h; do
sed -i \
's/\(^int cpu_[^_]*_exec(\)[^ ][^ ]* \*s);$/\1CPUState *cpu);/' \
$I;
done

Backports commit ea3e9847408131abc840240bd61e892d28459452 from qemu
2018-02-17 15:23:18 -05:00
Peter Crosthwaite 9e23308b66
cpu: Change cpu_exec_init() arg to cpu, not env
The callers (most of them in target-foo/cpu.c) to this function all
have the cpu pointer handy. Just pass it to avoid an ENV_GET_CPU() from
core code (in exec.c).

Backports commit 4bad9e392e788a218967167a38ce2ae7a32a6231 from qemu
2018-02-17 15:23:18 -05:00
Richard Henderson dd1ec408e5
target-*: Increment num_insns immediately after tcg_gen_insn_start
This does tidy the icount test common to all targets.

Backports commit 959082fc4a93a016a6b697e1e0c2b373d8a3a373 from qemu
2018-02-11 12:46:30 -05:00
Richard Henderson a64d0ff657
target-*: Unconditionally emit tcg_gen_insn_start
While we're at it, emit the opcode adjacent to where we currently
record data for search_pc. This puts gen_io_start et al on the
"correct" side of the marker.

Backports commit 667b8e29c5b1d8c5b4e6ad5f780ca60914eb6e96 from qemu
2018-02-11 12:41:20 -05:00
Lioncash b3f9ff667b
tcg: Rename debug_insn_start to insn_start
With an eye toward making it mandatory.

Backports commit 765b842adec4c5a359e69ca08785553599f71496 from qemu
2018-02-11 12:34:01 -05:00
Richard Henderson a3aaf5a864
tcg: Remove tcg_gen_trunc_i64_i32
Replacing it with tcg_gen_extrl_i64_i32.

Backports commit ecc7b3aa71f5fdcf9ee87e74ca811d988282641d from qemu
2018-02-10 23:11:02 -05:00
Richard Henderson 232632e76c
tcg: Change translator-side labels to a pointer
This is improved type checking for the translators -- it's no longer
possible to accidentally swap arguments to the branch functions.

Note that the code generating backends still manipulate labels as int.

With notable exceptions, the scope of the change is just a few lines
for each target, so it's not worth building extra machinery to do this
change in per-target increments.

Backports commit 42a268c241183877192c376d03bd9b6d527407c7 from qemu
2018-02-09 14:17:56 -05:00
Lioncash 0273e6ae18
tcg: Put opcodes in a linked list
The previous setup required ops and args to be completely sequential,
and was error prone when it came to both iteration and optimization.
2018-02-09 12:54:05 -05:00
Richard Henderson a41b9acc0c
tcg: Introduce tcg_op_buf_count and tcg_op_buf_full
The method by which we count the number of ops emitted
is going to change. Abstract that away into some inlines.

Backports commit fe700adb3db5b028b504423b946d4ee5200a8f2f from qemu.
2018-02-09 09:31:17 -05:00
Richard Henderson 78378289e3
tcg: Move emit of INDEX_op_end into gen_tb_end
Backports commit 0a7df5da986bd7ee0789f2d7b8611f2e8eee5046 from qemu
2018-02-09 08:51:01 -05:00
Richard Henderson 6b4b493dae
tcg: Change tcg_global_mem_new_* to take a TCGv_ptr
Thus, use cpu_env as the parameter, not TCG_AREG0 directly.
Update all uses in the translators.

Backports commit e1ccc05444676b92c63708096e36582be27fbee1 from qemu
2018-02-08 12:33:33 -05:00
Ryan Hileman 1b00d3f89a remove slow cpu QOM casts (#815) 2017-05-02 14:56:39 +08:00
xorstream a40921ce32 Sparc support added. (#734)
* Fix for MIPS issue.

* Sparc support added.
2017-01-23 13:29:41 +08:00
Nguyen Anh Quynh 2ecbe89cc1 cleanup Sparc unused code 2017-01-23 12:34:00 +08:00
xorstream fac6a66860 platform.h move #3 2017-01-21 00:13:21 +11:00
xorstream 1aeaf5c40d This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
Chris Eagle fccbcfd4c2 revert to use of g_free to make future qemu integrations easier (#695)
* revert to use of g_free to make future qemu integrations easier

* bracing
2016-12-21 22:28:36 +08:00
Chris Eagle e46545f722 remove glib dependency by provide compatible replacements 2016-12-18 14:56:58 -08:00
Nguyen Anh Quynh b7cdbe7a88 Merge branch 'feat/reg_save_restore' of https://github.com/rhelmot/unicorn into rhelmot-feat/reg_save_restore 2016-10-07 09:57:07 +08:00
danghvu 84d99412bc memleak: Fix Sparc memory leak 2016-10-03 14:23:27 -05:00
Ryan Hileman cb615fdba7 remove uc->cpus 2016-09-23 07:38:21 -07:00
Andrew Dutcher 0ef2b5fd71 New feature: registers can be bulk saved/restored in an opaque blob 2016-08-20 04:14:07 -07:00
Andrew Dutcher 97b10da133 Undo the disaster that was the patch to unicorn github issue #266 and fix it correctly. makes normal self-modifying code work. 2016-08-09 19:35:20 -07:00
Ryan Hileman acd88856e1 add batched reg access 2016-04-04 20:51:38 -07:00
Hiroyuki UEKAWA c5888e5670 move macros in qemu/target-*/unicorn*.c to uc_priv.h 2016-03-02 12:43:02 +09:00
Nguyen Anh Quynh 8962adc9c5 sparc: use power_down to terminate emulation, rather than using trap. this fix hangup issue of tests/regress/sparc_reg.py 2016-02-15 15:51:14 +08:00
Nguyen Anh Quynh 5a04bcb115 allow to change PC during callback. this solves issue #210 2016-01-28 14:06:17 +08:00
Ryan Hileman 0886ae8ede rework code/block tracing 2016-01-22 18:42:27 -08:00
Ryan Hileman 93052f6566 refactor to allow multiple hooks for one type 2016-01-22 18:41:43 -08:00
Nguyen Anh Quynh b72671c6d5 sparc, arm, m68k: check for exit request after every hooked instruction 2015-12-20 12:28:15 +08:00
Nguyen Anh Quynh a142611f56 sparc: set compute functions for icc_table[] & xcc_table[]. this fixes issue #289 2015-12-12 00:41:09 +08:00
Nguyen Anh Quynh 2f297bdd3a handle some errors properly so avoid exit() during initialization. this fixes issue #237 2015-11-12 01:43:41 +08:00
Nguyen Anh Quynh 600a1af710 Merge branch 'master' of https://github.com/unicorn-engine/unicorn 2015-10-03 15:46:19 +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
Nguyen Anh Quynh 15f087be74 Merge branch 'master' of https://github.com/unicorn-engine/unicorn 2015-09-26 10:44:15 +08:00
Nguyen Anh Quynh d6b9c31dc9 sparc: more cleanup 2015-09-16 16:04:12 +07:00