git: 228a3e73e169 - main - riscv: Recognise B extension for AT_HWCAP
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Date: Thu, 22 Aug 2024 19:36:58 UTC
The branch main has been updated by jrtc27: URL: https://cgit.FreeBSD.org/src/commit/?id=228a3e73e16983bc7f985b24ef20909500792d3c commit 228a3e73e16983bc7f985b24ef20909500792d3c Author: Jessica Clarke <jrtc27@FreeBSD.org> AuthorDate: 2024-08-22 19:36:44 +0000 Commit: Jessica Clarke <jrtc27@FreeBSD.org> CommitDate: 2024-08-22 19:36:44 +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 --- 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 c681edfff47b..203edb3689bc 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': case 'd': case 'f':