Date: Mon, 15 Dec 2025 18:18:30 +0000 From: Jessica Clarke <jrtc27@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: aaf455cfdc5f - stable/13 - riscv: Recognise B extension for AT_HWCAP Message-ID: <694050f6.25c78.6f8df534@gitrepo.freebsd.org>
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The branch stable/13 has been updated by jrtc27: URL: https://cgit.FreeBSD.org/src/commit/?id=aaf455cfdc5f24f827fd381664a535846791f5db commit aaf455cfdc5f24f827fd381664a535846791f5db Author: Jessica Clarke <jrtc27@FreeBSD.org> AuthorDate: 2024-08-22 19:36:44 +0000 Commit: Jessica Clarke <jrtc27@FreeBSD.org> CommitDate: 2025-12-15 17:56:35 +0000 riscv: Recognise B extension for AT_HWCAP This was ratified earlier this year as an alias for Zba_Zbb_Zbs. Whilst we don't currently export multi-letter extensions, we can still export this alias in AT_HWCAP. Reviewed by: mhorne MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D46277 (cherry picked from commit 228a3e73e16983bc7f985b24ef20909500792d3c) --- sys/riscv/include/elf.h | 1 + sys/riscv/riscv/identcpu.c | 1 + 2 files changed, 2 insertions(+) diff --git a/sys/riscv/include/elf.h b/sys/riscv/include/elf.h index ff0f36d2efe6..a14d6859902b 100644 --- a/sys/riscv/include/elf.h +++ b/sys/riscv/include/elf.h @@ -82,5 +82,6 @@ __ElfType(Auxinfo); #define HWCAP_ISA_C HWCAP_ISA_BIT('c') #define HWCAP_ISA_G \ (HWCAP_ISA_I | HWCAP_ISA_M | HWCAP_ISA_A | HWCAP_ISA_F | HWCAP_ISA_D) +#define HWCAP_ISA_B HWCAP_ISA_BIT('b') #endif /* !_MACHINE_ELF_H_ */ diff --git a/sys/riscv/riscv/identcpu.c b/sys/riscv/riscv/identcpu.c index 88b0b08c9f2c..6f2949909e83 100644 --- a/sys/riscv/riscv/identcpu.c +++ b/sys/riscv/riscv/identcpu.c @@ -245,6 +245,7 @@ parse_riscv_isa(struct cpu_desc *desc, char *isa, int len) while (i < len) { switch(isa[i]) { case 'a': + case 'b': case 'c': #ifdef FPE case 'd':help
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