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[Qemu-commits] [qemu/qemu] 661f7f: tcg-aarch64: Properly detect SIGSEGV
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[Qemu-commits] [qemu/qemu] 661f7f: tcg-aarch64: Properly detect SIGSEGV writes |
Date: |
Thu, 17 Apr 2014 13:30:06 -0700 |
Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: 661f7fa4b088f2734050a751dd9d1d836b49e981
https://github.com/qemu/qemu/commit/661f7fa4b088f2734050a751dd9d1d836b49e981
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M user-exec.c
Log Message:
-----------
tcg-aarch64: Properly detect SIGSEGV writes
Since the kernel doesn't pass any info on the reason for the fault,
disassemble the instruction to detect a store.
Reviewed-by: Alex Bennée <address@hidden>
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 8bf56493f169144416e001ca626ecebe4dc01e7c
https://github.com/qemu/qemu/commit/8bf56493f169144416e001ca626ecebe4dc01e7c
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use intptr_t apropriately
As opposed to tcg_target_long.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 929f8b55509fb92320e085504a8492b1908b8110
https://github.com/qemu/qemu/commit/929f8b55509fb92320e085504a8492b1908b8110
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use TCGType and TCGMemOp constants
Rather than raw constants that could mean anything.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: dfeb5fe7700d5e29a276f571aee7f6fc4267ee96
https://github.com/qemu/qemu/commit/dfeb5fe7700d5e29a276f571aee7f6fc4267ee96
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use MOVN in tcg_out_movi
When profitable, initialize the register with MOVN instead of MOVZ,
before setting the remaining lanes with MOVK.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 4ec4f0bd564f79a7144fcaca59515a9c6cfc4577
https://github.com/qemu/qemu/commit/4ec4f0bd564f79a7144fcaca59515a9c6cfc4577
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use ORRI in tcg_out_movi
The subset of logical immediates that we support is quite quick to test,
and such constants are quite common to want to load.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: d8918df577c9e3f2281d24c6c29d37df12bff2da
https://github.com/qemu/qemu/commit/d8918df577c9e3f2281d24c6c29d37df12bff2da
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Special case small constants in tcg_out_movi
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: c6e310d938d3348a7a4c56e4bd8a25d12677f1e1
https://github.com/qemu/qemu/commit/c6e310d938d3348a7a4c56e4bd8a25d12677f1e1
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use adrp in tcg_out_movi
Loading an qemu pointer as an immediate happens often. E.g.
- exit_tb $0x7fa8140013
+ exit_tb $0x7f81ee0013
...
- : d2800260 mov x0, #0x13
- : f2b50280 movk x0, #0xa814, lsl #16
- : f2c00fe0 movk x0, #0x7f, lsl #32
+ : 90ff1000 adrp x0, 0x7f81ee0000
+ : 91004c00 add x0, x0, #0x13
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 81d8a5ee197eaf33c208b64bcc11c236f1216413
https://github.com/qemu/qemu/commit/81d8a5ee197eaf33c208b64bcc11c236f1216413
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use symbolic names for branches
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: cae1f6f3e60406c4f1a85dc11e0c9eb5a3ce466a
https://github.com/qemu/qemu/commit/cae1f6f3e60406c4f1a85dc11e0c9eb5a3ce466a
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Create tcg_out_brcond
Rearrange code to put the compare and branch in the same place.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 3d9e69a238874d70861ac219a5a87320efaf21dd
https://github.com/qemu/qemu/commit/3d9e69a238874d70861ac219a5a87320efaf21dd
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use CBZ and CBNZ
A compare and branch against zero happens at the start of
every single TB.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: d82b78e48b3583af5cd62c7e096664782c23d04a
https://github.com/qemu/qemu/commit/d82b78e48b3583af5cd62c7e096664782c23d04a
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
M tcg/aarch64/tcg-target.h
Log Message:
-----------
tcg-aarch64: Reuse LR in translated code
It's obviously call-clobbered, but is otherwise unused.
Repurpose it as the TCG temporary.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 95f72aa90a95af1df27b1864c587e49d9d747786
https://github.com/qemu/qemu/commit/95f72aa90a95af1df27b1864c587e49d9d747786
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Introduce tcg_out_insn_3314
Combines 4 other inline functions and tidies the prologue.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 38d195aa05f0efce1c97ed257a8c42ec08d493e7
https://github.com/qemu/qemu/commit/38d195aa05f0efce1c97ed257a8c42ec08d493e7
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Implement tcg_register_jit
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 6f4724672c9cda92de9d30d0f76f57d684e03a5d
https://github.com/qemu/qemu/commit/6f4724672c9cda92de9d30d0f76f57d684e03a5d
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Avoid add with zero in tlb load
Some guest env are small enough to reach the tlb with only a 12-bit addition.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: ae7ab46aa891c12efee621dcd9cc753aa65f4a94
https://github.com/qemu/qemu/commit/ae7ab46aa891c12efee621dcd9cc753aa65f4a94
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use tcg_out_call for qemu_ld/st
In some cases, a direct branch will be in range.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: dc0c8aaf2cf4fe4668aba53ed2e3ecbd16206b73
https://github.com/qemu/qemu/commit/dc0c8aaf2cf4fe4668aba53ed2e3ecbd16206b73
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use ADR to pass the return address to the ld/st helpers
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 9e4177ad6d5e5430b03a6262fe80fb9e5ffc275d
https://github.com/qemu/qemu/commit/9e4177ad6d5e5430b03a6262fe80fb9e5ffc275d
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use TCGMemOp in qemu_ld/st
Making the bswap conditional on the memop instead of a compile-time test.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 667b1cdd4eb8a3b1c34a906ca3d50c33a650a37d
https://github.com/qemu/qemu/commit/667b1cdd4eb8a3b1c34a906ca3d50c33a650a37d
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Pass qemu_ld/st arguments directly
Instead of passing them the "args" array.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: de61d14fa7f7bbcb55a2301d9e5939904f4e2670
https://github.com/qemu/qemu/commit/de61d14fa7f7bbcb55a2301d9e5939904f4e2670
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
M tcg/aarch64/tcg-target.h
Log Message:
-----------
tcg-aarch64: Implement TCG_TARGET_HAS_new_ldst
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: e81864a109c8ae11dd17afbb6dd279b5e35d8c48
https://github.com/qemu/qemu/commit/e81864a109c8ae11dd17afbb6dd279b5e35d8c48
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Support stores of zero
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: edd8824cd4e2c8e0af24b5c3064aad504d80a790
https://github.com/qemu/qemu/commit/edd8824cd4e2c8e0af24b5c3064aad504d80a790
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Introduce tcg_out_insn_3507
Cleaning up the implementation of REV and REV16 at the same time.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: dc73dfd4bce199235c7cfd80d00c5c4646dc5c1d
https://github.com/qemu/qemu/commit/dc73dfd4bce199235c7cfd80d00c5c4646dc5c1d
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Merge aarch64_ldst_get_data/type into tcg_out_op
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: 3d4299f425eef29bbb883132d66b1a8c7910dfaf
https://github.com/qemu/qemu/commit/3d4299f425eef29bbb883132d66b1a8c7910dfaf
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Introduce tcg_out_insn_3312, _3310, _3313
Replace aarch64_ldst_op_data with AArch64LdstType, as it wasn't encoded
for the proper shift for the field and was confusing.
Merge aarch64_ldst_op_data, AArch64LdstType, and a few stray opcode bits
into a single I3312_* argument, eliminating some magic numbers from the
helper functions.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: a056c9faa4a0bd790630caac4ff9f5a841a33177
https://github.com/qemu/qemu/commit/a056c9faa4a0bd790630caac4ff9f5a841a33177
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Prefer unsigned offsets before signed offsets for ldst
The assembler seems to prefer them, perhaps we should too.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: b825025f08823453929ad02cb16dcfbab7eab327
https://github.com/qemu/qemu/commit/b825025f08823453929ad02cb16dcfbab7eab327
Author: Richard Henderson <address@hidden>
Date: 2014-04-16 (Wed, 16 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
Log Message:
-----------
tcg-aarch64: Use tcg_out_mov in preference to tcg_out_movr
It's the more canonical interface.
Reviewed-by: Claudio Fontana <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Commit: c6138aabfb2a8769392d605dc1e339b3095aab6a
https://github.com/qemu/qemu/commit/c6138aabfb2a8769392d605dc1e339b3095aab6a
Author: Peter Maydell <address@hidden>
Date: 2014-04-17 (Thu, 17 Apr 2014)
Changed paths:
M tcg/aarch64/tcg-target.c
M tcg/aarch64/tcg-target.h
M user-exec.c
Log Message:
-----------
Merge remote-tracking branch 'remotes/rth/tcg-aarch-6-5' into staging
* remotes/rth/tcg-aarch-6-5: (25 commits)
tcg-aarch64: Use tcg_out_mov in preference to tcg_out_movr
tcg-aarch64: Prefer unsigned offsets before signed offsets for ldst
tcg-aarch64: Introduce tcg_out_insn_3312, _3310, _3313
tcg-aarch64: Merge aarch64_ldst_get_data/type into tcg_out_op
tcg-aarch64: Introduce tcg_out_insn_3507
tcg-aarch64: Support stores of zero
tcg-aarch64: Implement TCG_TARGET_HAS_new_ldst
tcg-aarch64: Pass qemu_ld/st arguments directly
tcg-aarch64: Use TCGMemOp in qemu_ld/st
tcg-aarch64: Use ADR to pass the return address to the ld/st helpers
tcg-aarch64: Use tcg_out_call for qemu_ld/st
tcg-aarch64: Avoid add with zero in tlb load
tcg-aarch64: Implement tcg_register_jit
tcg-aarch64: Introduce tcg_out_insn_3314
tcg-aarch64: Reuse LR in translated code
tcg-aarch64: Use CBZ and CBNZ
tcg-aarch64: Create tcg_out_brcond
tcg-aarch64: Use symbolic names for branches
tcg-aarch64: Use adrp in tcg_out_movi
tcg-aarch64: Special case small constants in tcg_out_movi
...
Signed-off-by: Peter Maydell <address@hidden>
Compare: https://github.com/qemu/qemu/compare/5149e557d786...c6138aabfb2a
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