[PATCH v2 09/11] kvx: add kvx_sfr_field_val

[Jules Maselbas]

From: Clement Leger <clement.leger at bootlin.com>

Add this macro for upcoming socinfo driver. This extract a sfr field
using only its name.

Signed-off-by: Clement Leger <clement.leger at bootlin.com>
Signed-off-by: Jules Maselbas <jmaselbas at kalray.eu>
---
 arch/kvx/include/asm/sfr.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/kvx/include/asm/sfr.h b/arch/kvx/include/asm/sfr.h
index 5b93cee345..89ff64bbdc 100644
--- a/arch/kvx/include/asm/sfr.h
+++ b/arch/kvx/include/asm/sfr.h
@@ -44,4 +44,8 @@ kvx_sfr_set_mask(unsigned char sfr, uint64_t mask, uint64_t value)
 #define kvx_sfr_set(_sfr, _val)	__builtin_kvx_set(KVX_SFR_ ## _sfr, _val)
 #define kvx_sfr_get(_sfr)	__builtin_kvx_get(KVX_SFR_ ## _sfr)
 
+#define kvx_sfr_field_val(_val, _sfr, _field) \
+			  (((_val) & KVX_SFR_ ## _sfr ## _ ## _field ## _MASK) \
+			  >> KVX_SFR_ ## _sfr ## _ ## _field ## _SHIFT)
+
 #endif	/* _ASM_KVX_SFR_DEFS_H */
-- 
2.17.1