[PATCH 1/3] include: sbi: macros for mseccfg.sseed and .useed

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Sat Oct 28 15:49:57 PDT 2023


Define macros to access the sseed and the useed bit in the machine
security configuration register (mseccfg).

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
Just resending this patch which should be merged independent of how
we set mseccfg.sseed in future.
---
 include/sbi/riscv_encoding.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
index a545242..0996d64 100644
--- a/include/sbi/riscv_encoding.h
+++ b/include/sbi/riscv_encoding.h
@@ -678,6 +678,10 @@
 #define MSECCFG_MMWP			(_UL(1) << MSECCFG_MMWP_SHIFT)
 #define MSECCFG_RLB_SHIFT		(2)
 #define MSECCFG_RLB			(_UL(1) << MSECCFG_RLB_SHIFT)
+#define MSECCFG_USEED_SHIFT		(8)
+#define MSECCFG_USEED			(_UL(1) << MSECCFG_USEED_SHIFT)
+#define MSECCFG_SSEED_SHIFT		(9)
+#define MSECCFG_SSEED			(_UL(1) << MSECCFG_SSEED_SHIFT)
 
 /* Counter Overflow CSR */
 #define CSR_SCOUNTOVF			0xda0
-- 
2.40.1




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