Re: [PATCH 2/4] target/ppc: Fix XER access in gdbstub

[David Gibson <david@gibson.dropbear.id.au>]

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On Thu, Oct 14, 2021 at 07:32:32PM -0300, matheus.ferst@eldorado.org.br wrote:
> From: Matheus Ferst <matheus.ferst@eldorado.org.br>
> 
> The value of XER is split in multiple fields of CPUPPCState, like
> env->xer and env->so. To get/set the whole register from gdb, we should
> use cpu_read_xer/cpu_write_xer.
> 
> Fixes: da91a00f191f ("target-ppc: Split out SO, OV, CA fields from XER")
> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>

Applied to ppc-for-6.2.

> ---
>  target/ppc/gdbstub.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c
> index 1808a150e4..105c2f7dd1 100644
> --- a/target/ppc/gdbstub.c
> +++ b/target/ppc/gdbstub.c
> @@ -159,7 +159,7 @@ int ppc_cpu_gdb_read_register(CPUState *cs, GByteArray *buf, int n)
>              gdb_get_regl(buf, env->ctr);
>              break;
>          case 69:
> -            gdb_get_reg32(buf, env->xer);
> +            gdb_get_reg32(buf, cpu_read_xer(env));
>              break;
>          case 70:
>              gdb_get_reg32(buf, env->fpscr);
> @@ -217,7 +217,7 @@ int ppc_cpu_gdb_read_register_apple(CPUState *cs, GByteArray *buf, int n)
>              gdb_get_reg64(buf, env->ctr);
>              break;
>          case 69 + 32:
> -            gdb_get_reg32(buf, env->xer);
> +            gdb_get_reg32(buf, cpu_read_xer(env));
>              break;
>          case 70 + 32:
>              gdb_get_reg64(buf, env->fpscr);
> @@ -269,7 +269,7 @@ int ppc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
>              env->ctr = ldtul_p(mem_buf);
>              break;
>          case 69:
> -            env->xer = ldl_p(mem_buf);
> +            cpu_write_xer(env, ldl_p(mem_buf));
>              break;
>          case 70:
>              /* fpscr */
> @@ -319,7 +319,7 @@ int ppc_cpu_gdb_write_register_apple(CPUState *cs, uint8_t *mem_buf, int n)
>              env->ctr = ldq_p(mem_buf);
>              break;
>          case 69 + 32:
> -            env->xer = ldl_p(mem_buf);
> +            cpu_write_xer(env, ldl_p(mem_buf));
>              break;
>          case 70 + 32:
>              /* fpscr */

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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