* [PATCH v3] gdb: riscv: Add target description
@ 2021-01-06 10:32 ` Sylvain Pelissier
0 siblings, 0 replies; 3+ messages in thread
From: Sylvain Pelissier @ 2021-01-06 10:32 UTC (permalink / raw)
Cc: Sylvain Pelissier, open list:RISC-V TCG CPUs, Sagar Karandikar,
Bastian Koppelmann, open list:All patches CC here,
Alistair Francis, Palmer Dabbelt
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>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v3] gdb: riscv: Add target description
@ 2021-01-06 10:32 ` Sylvain Pelissier
0 siblings, 0 replies; 3+ messages in thread
From: Sylvain Pelissier @ 2021-01-06 10:32 UTC (permalink / raw)
Cc: Sylvain Pelissier, Palmer Dabbelt, Alistair Francis,
Sagar Karandikar, Bastian Koppelmann, open list:RISC-V TCG CPUs,
open list:All patches CC here
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>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3] gdb: riscv: Add target description
2021-01-06 10:32 ` Sylvain Pelissier
(?)
@ 2021-01-06 10:56 ` Bin Meng
-1 siblings, 0 replies; 3+ messages in thread
From: Bin Meng @ 2021-01-06 10:56 UTC (permalink / raw)
To: Sylvain Pelissier
Cc: open list:RISC-V TCG CPUs, Sagar Karandikar, Bastian Koppelmann,
open list:All patches CC here, Alistair Francis, Palmer Dabbelt
Hi Sylvain,
On Wed, Jan 6, 2021 at 6:34 PM Sylvain Pelissier
<sylvain.pelissier@gmail.com> wrote:
>
> 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.
Please limit the commit message in less than 70 characters per line.
>
> Signed-off-by: Sylvain Pelissier <sylvain.pelissier@gmail.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");
> + }
> +}
> +
Regards,
Bin
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-01-06 10:32 [PATCH v3] gdb: riscv: Add target description Sylvain Pelissier
2021-01-06 10:32 ` Sylvain Pelissier
2021-01-06 10:56 ` Bin Meng
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