From: Bin Meng <[email protected]>

At present seed CSR is not reported in the CSR XML hence gdb cannot
access it.

Fix it by adding a debugger check in its predicate() routine.

Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Weiwei Li <[email protected]>
Reviewed-by: LIU Zhiwei <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Palmer Dabbelt <[email protected]>
---
 target/riscv/csr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 10ae5df5e6..15b23b9b5a 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -459,6 +459,10 @@ static RISCVException seed(CPURISCVState *env, int csrno)
     }
 
 #if !defined(CONFIG_USER_ONLY)
+    if (env->debugger) {
+        return RISCV_EXCP_NONE;
+    }
+
     /*
      * With a CSR read-write instruction:
      * 1) The seed CSR is always available in machine mode as normal.
-- 
2.39.2


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