Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: 96e7448c1f820c56caea8447c01f5227b0c95c79
https://github.com/qemu/qemu/commit/96e7448c1f820c56caea8447c01f5227b0c95c79
Author: WANG Rui <wang...@loongson.cn>
Date: 2025-08-28 (Thu, 28 Aug 2025)
Changed paths:
M target/loongarch/tcg/insn_trans/trans_atomic.c.inc
M target/loongarch/tcg/insn_trans/trans_extra.c.inc
M target/loongarch/tcg/insn_trans/trans_farith.c.inc
M target/loongarch/tcg/insn_trans/trans_fcnv.c.inc
M target/loongarch/tcg/insn_trans/trans_fmemory.c.inc
M target/loongarch/tcg/insn_trans/trans_privileged.c.inc
M target/loongarch/tcg/insn_trans/trans_shift.c.inc
M target/loongarch/translate.h
Log Message:
-----------
target/loongarch: Guard 64-bit-only insn translation with TRANS64 macro
This patch replaces uses of the generic TRANS macro with TRANS64 for
instructions that are only valid when 64-bit support is available.
This improves correctness and avoids potential assertion failures or
undefined behavior during translation on 32-bit-only configurations.
Signed-off-by: WANG Rui <wang...@loongson.cn>
Reviewed-by: Bibo Mao <maob...@loongson.cn>
Reviewed-by: Song Gao <gaos...@loongson.cn>
Signed-off-by: Song Gao <gaos...@loongson.cn>
Commit: 86bca40402316891b8b9a920c2e3bf8cf37ba9a4
https://github.com/qemu/qemu/commit/86bca40402316891b8b9a920c2e3bf8cf37ba9a4
Author: Thomas Huth <th...@redhat.com>
Date: 2025-08-28 (Thu, 28 Aug 2025)
Changed paths:
M hw/intc/loongarch_pch_pic.c
Log Message:
-----------
hw/intc/loongarch_pch_pic: Fix ubsan warning and endianness issue
When booting the Linux kernel from tests/functional/test_loongarch64_virt.py
with a QEMU that has been compiled with --enable-ubsan, there is
a warning like this:
.../hw/intc/loongarch_pch_pic.c:171:46: runtime error: index 512 out of
bounds for type 'uint8_t[64]' (aka 'unsigned char[64]')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
.../hw/intc/loongarch_pch_pic.c:171:46
.../hw/intc/loongarch_pch_pic.c:175:45: runtime error: index 256 out of
bounds for type 'uint8_t[64]' (aka 'unsigned char[64]')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
.../hw/intc/loongarch_pch_pic.c:175:45
It happens because "addr" is added first before substracting the base
(PCH_PIC_HTMSI_VEC or PCH_PIC_ROUTE_ENTRY).
Additionally, this code looks like it is not endianness safe, since
it uses a 64-bit pointer to write values into an array of 8-bit values.
Thus rework the code to use the stq_le_p / ldq_le_p helpers here
and make sure that we do not create pointers with undefined behavior
by accident.
Signed-off-by: Thomas Huth <th...@redhat.com>
Reviewed-by: Bibo Mao <maob...@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Tested-by: Song Gao <gaos...@loongson.cn>
Signed-off-by: Song Gao <gaos...@loongson.cn>
Commit: 59f504bb43366594e97cf496c9a9ccf59be00b73
https://github.com/qemu/qemu/commit/59f504bb43366594e97cf496c9a9ccf59be00b73
Author: Richard Henderson <richard.hender...@linaro.org>
Date: 2025-08-29 (Fri, 29 Aug 2025)
Changed paths:
M hw/intc/loongarch_pch_pic.c
M target/loongarch/tcg/insn_trans/trans_atomic.c.inc
M target/loongarch/tcg/insn_trans/trans_extra.c.inc
M target/loongarch/tcg/insn_trans/trans_farith.c.inc
M target/loongarch/tcg/insn_trans/trans_fcnv.c.inc
M target/loongarch/tcg/insn_trans/trans_fmemory.c.inc
M target/loongarch/tcg/insn_trans/trans_privileged.c.inc
M target/loongarch/tcg/insn_trans/trans_shift.c.inc
M target/loongarch/translate.h
Log Message:
-----------
Merge tag 'pull-loongarch-20250828' of https://github.com/gaosong715/qemu
into staging
pull-loongarch-20250828
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# =pUq/
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 28 Aug 2025 10:19:55 PM AEST
# gpg: using RSA key CA473C44D6A09C189A193FCD452B96852B268216
# gpg: Good signature from "Song Gao <gaos...@loongson.cn>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: CA47 3C44 D6A0 9C18 9A19 3FCD 452B 9685 2B26 8216
* tag 'pull-loongarch-20250828' of https://github.com/gaosong715/qemu:
hw/intc/loongarch_pch_pic: Fix ubsan warning and endianness issue
target/loongarch: Guard 64-bit-only insn translation with TRANS64 macro
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Compare: https://github.com/qemu/qemu/compare/ca18b336e12c...59f504bb4336
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