[PATCH 4/5] lib: sbi: fix DBTR_SHMEM_MAKE_PHYS for RV64

Xiang W wxjstz at 126.com
Tue Apr 23 07:51:42 PDT 2024


Obtaining a 64-bit address under rv64 does not require combining
32-bit registers

Signed-off-by: Xiang W <wxjstz at 126.com>
---
 lib/sbi/sbi_dbtr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sbi/sbi_dbtr.c b/lib/sbi/sbi_dbtr.c
index 9e0bdf6..878fa64 100644
--- a/lib/sbi/sbi_dbtr.c
+++ b/lib/sbi/sbi_dbtr.c
@@ -48,7 +48,7 @@ static unsigned long hart_state_ptr_offset;
 	     _idx++, _entry = ((_etype *)_base + _idx))
 
 #if __riscv_xlen == 64
-#define DBTR_SHMEM_MAKE_PHYS(_p_hi, _p_lo) (((u64)(_p_hi) << 32) | (_p_lo))
+#define DBTR_SHMEM_MAKE_PHYS(_p_hi, _p_lo) (_p_lo)
 #elif __riscv_xlen == 32
 #define DBTR_SHMEM_MAKE_PHYS(_p_hi, _p_lo) (((u64)(_p_hi) << 32) | (_p_lo))
 #else
-- 
2.43.0




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