target/riscv: gdbstub: Do not generate CSR XML if Zicsr is disabled
There is no need to generate the CSR XML if the Zicsr extension
is not enabled.
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: <20230228104035.1879882-6-bmeng@tinylab.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c
index 704f3d6..294f0ce 100644
--- a/target/riscv/gdbstub.c
+++ b/target/riscv/gdbstub.c
@@ -406,7 +406,10 @@
g_assert_not_reached();
}
- gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr,
- riscv_gen_dynamic_csr_xml(cs, cs->gdb_num_regs),
- "riscv-csr.xml", 0);
+ if (cpu->cfg.ext_icsr) {
+ int base_reg = cs->gdb_num_regs;
+ gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr,
+ riscv_gen_dynamic_csr_xml(cs, base_reg),
+ "riscv-csr.xml", 0);
+ }
}