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[PULL 03/12] gdb: riscv: Add target description
From: |
Alistair Francis |
Subject: |
[PULL 03/12] gdb: riscv: Add target description |
Date: |
Sun, 17 Jan 2021 13:53:54 -0800 |
From: Sylvain Pelissier <sylvain.pelissier@gmail.com>
Target description is not currently implemented in RISC-V
architecture. Thus GDB won't set it properly when attached.
The patch implements the target description response.
Signed-off-by: Sylvain Pelissier <sylvain.pelissier@gmail.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210106204141.14027-1-sylvain.pelissier@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/cpu.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 8227d7aea9..6aafe4e62c 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -557,6 +557,18 @@ static Property riscv_cpu_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static gchar *riscv_gdb_arch_name(CPUState *cs)
+{
+ RISCVCPU *cpu = RISCV_CPU(cs);
+ CPURISCVState *env = &cpu->env;
+
+ if (riscv_cpu_is_32bit(env)) {
+ return g_strdup("riscv:rv32");
+ } else {
+ return g_strdup("riscv:rv64");
+ }
+}
+
static void riscv_cpu_class_init(ObjectClass *c, void *data)
{
RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
@@ -592,6 +604,7 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data)
/* For now, mark unmigratable: */
cc->vmsd = &vmstate_riscv_cpu;
#endif
+ cc->gdb_arch_name = riscv_gdb_arch_name;
#ifdef CONFIG_TCG
cc->tcg_initialize = riscv_translate_init;
cc->tlb_fill = riscv_cpu_tlb_fill;
--
2.29.2
- [PULL 00/12] riscv-to-apply queue, Alistair Francis, 2021/01/17
- [PULL 01/12] hw/block: m25p80: Don't write to flash if write is disabled, Alistair Francis, 2021/01/17
- [PULL 02/12] hw/block: m25p80: Implement AAI-WP command support for SST flashes, Alistair Francis, 2021/01/17
- [PULL 12/12] riscv: Pass RISCVHartArrayState by pointer, Alistair Francis, 2021/01/17
- [PULL 03/12] gdb: riscv: Add target description,
Alistair Francis <=
- [PULL 06/12] hw/riscv: sifive_u: Use SIFIVE_U_CPU for mc->default_cpu_type, Alistair Francis, 2021/01/17
- [PULL 05/12] target/riscv/pmp: Raise exception if no PMP entry is configured, Alistair Francis, 2021/01/17
- [PULL 04/12] RISC-V: Place DTB at 3GB boundary instead of 4GB, Alistair Francis, 2021/01/17
- [PULL 09/12] target/riscv: Add CSR name in the CSR function table, Alistair Francis, 2021/01/17
- [PULL 07/12] hw/misc/sifive_u_otp: handling the fails of blk_pread and blk_pwrite, Alistair Francis, 2021/01/17
- [PULL 10/12] target/riscv: Generate the GDB XML file for CSR registers dynamically, Alistair Francis, 2021/01/17
- [PULL 08/12] target/riscv: Make csr_ops[CSR_TABLE_SIZE] external, Alistair Francis, 2021/01/17
- [PULL 11/12] target/riscv: Remove built-in GDB XML files for CSRs, Alistair Francis, 2021/01/17
- Re: [PULL 00/12] riscv-to-apply queue, Peter Maydell, 2021/01/18