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From: Szabolcs Nagy <szabolcs.nagy@arm.com>
To: <libc-alpha@sourceware.org>
Subject: [PATCH 0/4] aarch64: Add SME support
Date: Fri, 8 Dec 2023 16:31:54 +0000
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| Series | aarch64: Add SME support | |
Message
Szabolcs Nagy
Dec. 8, 2023, 4:31 p.m. UTC
Most of the SME (Scalable Matrix Extension) runtime support is in libgcc, a bit of that has to be repeated in the libc so we don't depend on libgcc to handle the ZA register state in longjmp. Szabolcs Nagy (4): aarch64: Add SME runtime support aarch64: Add longjmp support for SME aarch64: Add setcontext support for SME aarch64: Add longjmp test for SME sysdeps/aarch64/Makefile | 13 +- sysdeps/aarch64/__arm_za_disable.S | 112 ++++++++ sysdeps/aarch64/__longjmp.S | 22 ++ sysdeps/aarch64/rtld-global-offsets.sym | 10 + sysdeps/aarch64/tst-sme-jmp.c | 278 +++++++++++++++++++ sysdeps/unix/sysv/linux/aarch64/setcontext.S | 19 ++ 6 files changed, 451 insertions(+), 3 deletions(-) create mode 100644 sysdeps/aarch64/__arm_za_disable.S create mode 100644 sysdeps/aarch64/rtld-global-offsets.sym create mode 100644 sysdeps/aarch64/tst-sme-jmp.c