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authorDeepak Gupta <debug@rivosinc.com>2026-01-25 21:09:55 -0700
committerPaul Walmsley <pjw@kernel.org>2026-01-29 02:38:40 -0700
commit30c3099036a9544ec24e899abc8a81a7cc030f99 (patch)
treec647b6b85ae5133a935e6febaa3749bb7c5a9c3d /arch/riscv/kernel
parent462a94fb8ae8ba0d4d3901c7283b4af052ab8804 (diff)
riscv/hwprobe: add zicfilp / zicfiss enumeration in hwprobe
Add enumeration of the zicfilp and zicfiss extensions in the hwprobe syscall. Reviewed-by: Zong Li <zong.li@sifive.com> Signed-off-by: Deepak Gupta <debug@rivosinc.com> Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6 Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com> Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-20-b55691eacf4f@rivosinc.com [pjw@kernel.org: updated to apply; extend into RISCV_HWPROBE_KEY_IMA_EXT_1; clean patch description] Signed-off-by: Paul Walmsley <pjw@kernel.org>
Diffstat (limited to 'arch/riscv/kernel')
-rw-r--r--arch/riscv/kernel/sys_hwprobe.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 53731ace7984..1659d31fd288 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -126,6 +126,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(isainfo->isa, ZICBOM, pair->value, missing);
EXT_KEY(isainfo->isa, ZICBOP, pair->value, missing);
EXT_KEY(isainfo->isa, ZICBOZ, pair->value, missing);
+ EXT_KEY(isainfo->isa, ZICFILP, pair->value, missing);
EXT_KEY(isainfo->isa, ZICNTR, pair->value, missing);
EXT_KEY(isainfo->isa, ZICOND, pair->value, missing);
EXT_KEY(isainfo->isa, ZIHINTNTL, pair->value, missing);
@@ -195,7 +196,7 @@ static void hwprobe_isa_ext1(struct riscv_hwprobe *pair,
* doesn't have.
*/
for_each_cpu(cpu, cpus) {
- /* struct riscv_isainfo *isainfo = &hart_isa[cpu]; */
+ struct riscv_isainfo *isainfo = &hart_isa[cpu];
/*
* Only use EXT_KEY() for extensions which can be
@@ -203,7 +204,7 @@ static void hwprobe_isa_ext1(struct riscv_hwprobe *pair,
* configuration, as no other checks, besides presence
* in the hart_isa bitmap, are made.
*/
- /* Nothing here yet */
+ EXT_KEY(isainfo->isa, ZICFISS, pair->value, missing);
}
/* Now turn off reporting features if any CPU is missing it. */