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[PATCH v4] gdb: riscv: Add target description
From: |
Sylvain Pelissier |
Subject: |
[PATCH v4] gdb: riscv: Add target description |
Date: |
Wed, 6 Jan 2021 21:41:41 +0100 |
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>
---
target/riscv/cpu.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 254cd83f8b..ed4971978b 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -556,6 +556,18 @@ 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);
@@ -591,6 +603,7 @@ 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;
--
2.25.1
- [PATCH v4] gdb: riscv: Add target description,
Sylvain Pelissier <=