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Diffstat (limited to 'arch/riscv/kernel/sys_hwprobe.c')
-rw-r--r--arch/riscv/kernel/sys_hwprobe.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 04a4e5495512..0b170e18a2be 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -15,6 +15,7 @@
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <asm/vector.h>
+#include <asm/vendor_extensions/sifive_hwprobe.h>
#include <asm/vendor_extensions/thead_hwprobe.h>
#include <vdso/vsyscall.h>
@@ -95,7 +96,10 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
* regardless of the kernel's configuration, as no other checks, besides
* presence in the hart_isa bitmap, are made.
*/
+ EXT_KEY(ZAAMO);
+ EXT_KEY(ZABHA);
EXT_KEY(ZACAS);
+ EXT_KEY(ZALRSC);
EXT_KEY(ZAWRS);
EXT_KEY(ZBA);
EXT_KEY(ZBB);
@@ -107,10 +111,13 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZCA);
EXT_KEY(ZCB);
EXT_KEY(ZCMOP);
+ EXT_KEY(ZICBOM);
EXT_KEY(ZICBOZ);
+ EXT_KEY(ZICNTR);
EXT_KEY(ZICOND);
EXT_KEY(ZIHINTNTL);
EXT_KEY(ZIHINTPAUSE);
+ EXT_KEY(ZIHPM);
EXT_KEY(ZIMOP);
EXT_KEY(ZKND);
EXT_KEY(ZKNE);
@@ -132,6 +139,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZVE64D);
EXT_KEY(ZVE64F);
EXT_KEY(ZVE64X);
+ EXT_KEY(ZVFBFMIN);
+ EXT_KEY(ZVFBFWMA);
EXT_KEY(ZVFH);
EXT_KEY(ZVFHMIN);
EXT_KEY(ZVKB);
@@ -148,6 +157,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZCD);
EXT_KEY(ZCF);
EXT_KEY(ZFA);
+ EXT_KEY(ZFBFMIN);
EXT_KEY(ZFH);
EXT_KEY(ZFHMIN);
}
@@ -161,7 +171,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
pair->value &= ~missing;
}
-static bool hwprobe_ext0_has(const struct cpumask *cpus, unsigned long ext)
+static bool hwprobe_ext0_has(const struct cpumask *cpus, u64 ext)
{
struct riscv_hwprobe pair;
@@ -279,6 +289,11 @@ static void hwprobe_one_pair(struct riscv_hwprobe *pair,
if (hwprobe_ext0_has(cpus, RISCV_HWPROBE_EXT_ZICBOZ))
pair->value = riscv_cboz_block_size;
break;
+ case RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE:
+ pair->value = 0;
+ if (hwprobe_ext0_has(cpus, RISCV_HWPROBE_EXT_ZICBOM))
+ pair->value = riscv_cbom_block_size;
+ break;
case RISCV_HWPROBE_KEY_HIGHEST_VIRT_ADDRESS:
pair->value = user_max_virt_addr();
break;
@@ -287,6 +302,10 @@ static void hwprobe_one_pair(struct riscv_hwprobe *pair,
pair->value = riscv_timebase;
break;
+ case RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0:
+ hwprobe_isa_vendor_ext_sifive_0(pair, cpus);
+ break;
+
case RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0:
hwprobe_isa_vendor_ext_thead_0(pair, cpus);
break;