[PATCH 1/4] powerpc: Add new HWCAP bits

Alistair Popple alistair at popple.id.au
Tue May 12 21:36:11 AEST 2020


Two new future architectural features requiring HWCAP bits are being
developed. Once allocated in the kernel firmware can enable these via
device tree cpu features.

Signed-off-by: Alistair Popple <alistair at popple.id.au>
---
 arch/powerpc/include/uapi/asm/cputable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
index 540592034740..2692a56bf20b 100644
--- a/arch/powerpc/include/uapi/asm/cputable.h
+++ b/arch/powerpc/include/uapi/asm/cputable.h
@@ -50,6 +50,8 @@
 #define PPC_FEATURE2_DARN		0x00200000 /* darn random number insn */
 #define PPC_FEATURE2_SCV		0x00100000 /* scv syscall */
 #define PPC_FEATURE2_HTM_NO_SUSPEND	0x00080000 /* TM w/out suspended state */
+#define PPC_FEATURE2_ARCH_3_1		0x00040000 /* ISA 3.1 */
+#define PPC_FEATURE2_MMA		0x00020000 /* Matrix Multiply Accumulate */
 
 /*
  * IMPORTANT!
-- 
2.20.1



More information about the Linuxppc-dev mailing list