Branch: refs/heads/staging
Home: https://github.com/qemu/qemu
Commit: 24f68139247fd5a265874c743c46f293bd3432fa
https://github.com/qemu/qemu/commit/24f68139247fd5a265874c743c46f293bd3432fa
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
A target/i386/tcg/access.c
A target/i386/tcg/access.h
M target/i386/tcg/meson.build
Log Message:
-----------
target/i386: Add tcg/access.[ch]
Provide a method to amortize page lookup across large blocks.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: d3e8b648ab7f94f0e9235ade9977954e426991a0
https://github.com/qemu/qemu/commit/d3e8b648ab7f94f0e9235ade9977954e426991a0
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_fldt, do_fstt to X86Access
Signed-off-by: Richard Henderson <[email protected]>
Commit: 4526f58a2727a37c829c21c3f095226601099552
https://github.com/qemu/qemu/commit/4526f58a2727a37c829c21c3f095226601099552
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert helper_{fbld,fbst}_ST0 to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: bc13c2dd01288d26bfb38bdc958ad58b58661ac0
https://github.com/qemu/qemu/commit/bc13c2dd01288d26bfb38bdc958ad58b58661ac0
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_fldenv to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 505e2ef744b3ebd0a28a94ed9b00f99595b0cf6a
https://github.com/qemu/qemu/commit/505e2ef744b3ebd0a28a94ed9b00f99595b0cf6a
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_fstenv to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 94f60f8f1c07de1449f798141cf13ba93f07d875
https://github.com/qemu/qemu/commit/94f60f8f1c07de1449f798141cf13ba93f07d875
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_fsave, do_frstor to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: b7e6d3ad30b53121ff184e93d33dcf61e354c9bb
https://github.com/qemu/qemu/commit/b7e6d3ad30b53121ff184e93d33dcf61e354c9bb
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xsave_{fpu,mxcr,sse} to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: e41d2eaf17f1bcd0b5c085b5c9b6151b592ee620
https://github.com/qemu/qemu/commit/e41d2eaf17f1bcd0b5c085b5c9b6151b592ee620
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xrstor_{fpu,mxcr,sse} to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 6d030aab29f8713776aa2fec31bc94bb98a96e55
https://github.com/qemu/qemu/commit/6d030aab29f8713776aa2fec31bc94bb98a96e55
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
tagret/i386: Convert do_fxsave, do_fxrstor to X86Access
Move the alignment fault from do_* to helper_*, as it need
not apply to usage from within user-only signal handling.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 6b1b736bae9b89882ed293d0256f2a0de1d03f9c
https://github.com/qemu/qemu/commit/6b1b736bae9b89882ed293d0256f2a0de1d03f9c
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xsave_* to X86Access
The body of do_xsave is now fully converted.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 58955a96d9ce59ada80af88e4ba7c8ecfb79c87f
https://github.com/qemu/qemu/commit/58955a96d9ce59ada80af88e4ba7c8ecfb79c87f
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xrstor_* to X86Access
The body of do_xrstor is now fully converted.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: a8f68831c6dfd1903555e4402addd5138f78db97
https://github.com/qemu/qemu/commit/a8f68831c6dfd1903555e4402addd5138f78db97
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Split out do_xsave_chk
This path is not required by user-only, and can in fact
be shared between xsave and xrstor.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: a2d64d61c1fa1826344fef02e5cc7e331d307e0f
https://github.com/qemu/qemu/commit/a2d64d61c1fa1826344fef02e5cc7e331d307e0f
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/cpu.h
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Add rbfm argument to cpu_x86_{xsave,xrstor}
For now, continue to pass all 1's from signal.c.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 6dba8b471cb2b40140b672a9ae9b965a7a132409
https://github.com/qemu/qemu/commit/6dba8b471cb2b40140b672a9ae9b965a7a132409
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/cpu.h
Log Message:
-----------
target/i386: Add {hw,sw}_reserved to X86LegacyXSaveArea
This completes the 512 byte structure, allowing the union to
be removed. Assert that the structure layout is as expected.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 077c43eb0d30a257ee33f1b48ea5b29eafcf4eb5
https://github.com/qemu/qemu/commit/077c43eb0d30a257ee33f1b48ea5b29eafcf4eb5
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Drop xfeatures_size from sigcontext arithmetic
This is subtracting sizeof(target_fpstate_fxsave) in
TARGET_FXSAVE_SIZE, then adding it again via &fxsave->xfeatures.
Perform the same computation using xstate_size alone.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: fcc9b64d0767563adb03c933a208e7ba5250c6f0
https://github.com/qemu/qemu/commit/fcc9b64d0767563adb03c933a208e7ba5250c6f0
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Remove xfeatures from target_fpstate_fxsave
This is easily computed by advancing past the structure.
At the same time, replace the magic number "64".
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 3b6e9491e3e8a51e7eb8d25316b75ca4a58b22ff
https://github.com/qemu/qemu/commit/3b6e9491e3e8a51e7eb8d25316b75ca4a58b22ff
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea
Use the structure definition from target/i386/cpu.h.
The only minor quirk is re-casting the sw_reserved
area to the OS specific struct target_fpx_sw_bytes.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 5cc77ebe9b9e07fcd06011dc23162069ef8c5eff
https://github.com/qemu/qemu/commit/5cc77ebe9b9e07fcd06011dc23162069ef8c5eff
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Split out struct target_fregs_state
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: bae0455ce3ded1df80dee4e844194568063ad093
https://github.com/qemu/qemu/commit/bae0455ce3ded1df80dee4e844194568063ad093
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Fix -mregparm=3 for signal delivery
Since v2.6.19, the kernel has supported -mregparm=3.
Signed-off-by: Richard Henderson <[email protected]>
Commit: c536f9b77ccb771fc480ec8d3c1cefac243eac73
https://github.com/qemu/qemu/commit/c536f9b77ccb771fc480ec8d3c1cefac243eac73
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Return boolean success from restore_sigcontext
Invert the sense of the return value and use bool.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 9e9b7d4c15b1cbefc608487a38e10c8f708fb187
https://github.com/qemu/qemu/commit/9e9b7d4c15b1cbefc608487a38e10c8f708fb187
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Return boolean success from xrstor_sigcontext
Invert the sense of the return value and use bool.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: a7365e984d27b961f381cf3be46682e4da5ab6f7
https://github.com/qemu/qemu/commit/a7365e984d27b961f381cf3be46682e4da5ab6f7
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M tests/tcg/x86_64/Makefile.target
A tests/tcg/x86_64/test-1648.c
Log Message:
-----------
linux-user/i386: Fix allocation and alignment of fp state
For modern cpus, the kernel uses xsave to store all extra
cpu state across the signal handler. For xsave/xrstor to
work, the pointer must be 64 byte aligned. Moreover, the
regular part of the signal frame must be 16 byte aligned.
Attempt to mirror the kernel code as much as possible.
Use enum FPStateKind instead of use_xsave() and use_fxsr().
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1648
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 7973eb943e670ea66a19e04868e01803c7594246
https://github.com/qemu/qemu/commit/7973eb943e670ea66a19e04868e01803c7594246
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
Log Message:
-----------
linux-user/i386: Honor xfeatures in xrstor_sigcontext
Signed-off-by: Richard Henderson <[email protected]>
Commit: c6e6d1508ac309e39fec827c3719c86c10cd8975
https://github.com/qemu/qemu/commit/c6e6d1508ac309e39fec827c3719c86c10cd8975
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xsave to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: d5dc3a927ae7e64bc998d9aa29020426b4e97f8a
https://github.com/qemu/qemu/commit/d5dc3a927ae7e64bc998d9aa29020426b4e97f8a
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Convert do_xrstor to X86Access
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 76d8d0f85caf629b4df314e656d20ad6565bab9b
https://github.com/qemu/qemu/commit/76d8d0f85caf629b4df314e656d20ad6565bab9b
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/cpu.h
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}
We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 9c2fb9e1d589fbda266d8db611b9d3a38ab96a3c
https://github.com/qemu/qemu/commit/9c2fb9e1d589fbda266d8db611b9d3a38ab96a3c
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/cpu.h
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Pass host pointer and size to cpu_x86_{fxsave,fxrstor}
We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 701890bdd09b289fd9cb852e714e91373088b0f3
https://github.com/qemu/qemu/commit/701890bdd09b289fd9cb852e714e91373088b0f3
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/cpu.h
M target/i386/tcg/fpu_helper.c
Log Message:
-----------
target/i386: Pass host pointer and size to cpu_x86_{xsave,xrstor}
We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.
In addition, return failure when the header contains invalid
xstate_bv. The kernel handles this via exception handling
within XSTATE_OP within xrstor_from_user_sigframe.
Reviewed-by: Paolo Bonzini <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Commit: 60b54b67c63d8f076152e0f7dccf39854dfc6a77
https://github.com/qemu/qemu/commit/60b54b67c63d8f076152e0f7dccf39854dfc6a77
Author: Richard Henderson <[email protected]>
Date: 2024-05-26 (Sun, 26 May 2024)
Changed paths:
M linux-user/i386/signal.c
M target/i386/cpu.h
A target/i386/tcg/access.c
A target/i386/tcg/access.h
M target/i386/tcg/fpu_helper.c
M target/i386/tcg/meson.build
M tests/tcg/x86_64/Makefile.target
A tests/tcg/x86_64/test-1648.c
Log Message:
-----------
Merge tag 'pull-lu-20240526' of https://gitlab.com/rth7680/qemu into staging
target/i386: Introduce X86Access and use for xsave and friends
linux-user/i386: Fix allocation and alignment of fp state in signal frame
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[ultimate]
* tag 'pull-lu-20240526' of https://gitlab.com/rth7680/qemu: (28 commits)
target/i386: Pass host pointer and size to cpu_x86_{xsave,xrstor}
target/i386: Pass host pointer and size to cpu_x86_{fxsave,fxrstor}
target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}
target/i386: Convert do_xrstor to X86Access
target/i386: Convert do_xsave to X86Access
linux-user/i386: Honor xfeatures in xrstor_sigcontext
linux-user/i386: Fix allocation and alignment of fp state
linux-user/i386: Return boolean success from xrstor_sigcontext
linux-user/i386: Return boolean success from restore_sigcontext
linux-user/i386: Fix -mregparm=3 for signal delivery
linux-user/i386: Split out struct target_fregs_state
linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea
linux-user/i386: Remove xfeatures from target_fpstate_fxsave
linux-user/i386: Drop xfeatures_size from sigcontext arithmetic
target/i386: Add {hw,sw}_reserved to X86LegacyXSaveArea
target/i386: Add rbfm argument to cpu_x86_{xsave,xrstor}
target/i386: Split out do_xsave_chk
target/i386: Convert do_xrstor_* to X86Access
target/i386: Convert do_xsave_* to X86Access
tagret/i386: Convert do_fxsave, do_fxrstor to X86Access
...
Signed-off-by: Richard Henderson <[email protected]>
Compare: https://github.com/qemu/qemu/compare/78ef97c0aa6c...60b54b67c63d
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