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From: Jonathan Behrens <jonathan@fintelia.io>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Jonathan Behrens <jonathan@fintelia.io>,
	Palmer Dabbelt <palmer@sifive.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Sagar Karandikar <sagark@eecs.berkeley.edu>,
	Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Subject: [PATCH v3 1/3] target/riscv: Tell gdbstub the correct number of CSRs
Date: Mon,  7 Oct 2019 20:13:16 -0400	[thread overview]
Message-ID: <20191008001318.219367-2-jonathan@fintelia.io> (raw)
In-Reply-To: <20191008001318.219367-1-jonathan@fintelia.io>

If the number of registers reported to the gdbstub code does not match the
number in the associated XML file, then the register numbers used by the stub
may get out of sync with a remote GDB instance.

Signed-off-by: Jonathan Behrens <jonathan@fintelia.io>
---
 target/riscv/gdbstub.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c
index ded140e8d8..cb5bfd3d50 100644
--- a/target/riscv/gdbstub.c
+++ b/target/riscv/gdbstub.c
@@ -384,7 +384,7 @@ void riscv_cpu_register_gdb_regs_for_features(CPUState *cs)
     }
 
     gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr,
-                             4096, "riscv-32bit-csr.xml", 0);
+                             240, "riscv-32bit-csr.xml", 0);
 #elif defined(TARGET_RISCV64)
     if (env->misa & RVF) {
         gdb_register_coprocessor(cs, riscv_gdb_get_fpu, riscv_gdb_set_fpu,
@@ -392,6 +392,6 @@ void riscv_cpu_register_gdb_regs_for_features(CPUState *cs)
     }
 
     gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr,
-                             4096, "riscv-64bit-csr.xml", 0);
+                             240, "riscv-64bit-csr.xml", 0);
 #endif
 }
-- 
2.23.0


  reply	other threads:[~2019-10-08  0:17 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08  0:13 [PATCH v3 0/3] target/riscv: Expose "priv" register for GDB Jonathan Behrens
2019-10-08  0:13 ` Jonathan Behrens [this message]
2019-10-08  9:53   ` [PATCH v3 1/3] target/riscv: Tell gdbstub the correct number of CSRs Bin Meng
2019-10-08 14:01     ` Jonathan Behrens
2019-10-08 16:18   ` Alistair Francis
2019-10-08  0:13 ` [PATCH v3 2/3] target/riscv: Expose priv register for GDB for reads Jonathan Behrens
2019-10-08 12:27   ` Bin Meng
2019-10-08 14:03     ` Jonathan Behrens
2019-10-08  0:13 ` [PATCH v3 3/3] target/riscv: Make the priv register writable by GDB Jonathan Behrens
2019-10-08 12:32   ` Bin Meng
2019-10-08 16:49   ` Alistair Francis
2019-10-08  0:17 ` [PATCH v3 0/3] target/riscv: Expose "priv" register for GDB Jonathan Behrens

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