target/riscv: Allow debugger to access seed CSR
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 <bmeng@tinylab.org> Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com> Message-ID: <20230228104035.1879882-15-bmeng@tinylab.org> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -459,6 +459,10 @@ static RISCVException seed(CPURISCVState *env, int csrno)
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}
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#if !defined(CONFIG_USER_ONLY)
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if (env->debugger) {
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return RISCV_EXCP_NONE;
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}
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/*
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* With a CSR read-write instruction:
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* 1) The seed CSR is always available in machine mode as normal.
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