From: Thomas Huth <thuth@redhat.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Ilya Leoshkevich <iii@linux.ibm.com>
Subject: Re: [PATCH v4 27/27] target/s390x: Enable TARGET_TB_PCREL
Date: Tue, 21 Feb 2023 15:35:51 +0100 [thread overview]
Message-ID: <0a437546-3b18-3a3a-6ffb-afa93a93c170@redhat.com> (raw)
In-Reply-To: <20230220184052.163465-28-richard.henderson@linaro.org>
On 20/02/2023 19.40, Richard Henderson wrote:
> Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> target/s390x/cpu-param.h | 4 ++
> target/s390x/cpu.c | 12 +++++
> target/s390x/tcg/translate.c | 86 +++++++++++++++++++++++-------------
> 3 files changed, 71 insertions(+), 31 deletions(-)
>
> diff --git a/target/s390x/cpu-param.h b/target/s390x/cpu-param.h
> index bf951a002e..52bb95de57 100644
> --- a/target/s390x/cpu-param.h
> +++ b/target/s390x/cpu-param.h
> @@ -14,4 +14,8 @@
> #define TARGET_VIRT_ADDR_SPACE_BITS 64
> #define NB_MMU_MODES 4
>
> +#ifndef CONFIG_USER_ONLY
> +# define TARGET_TB_PCREL 1
> +#endif
> +
> #endif
> diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
> index b10a8541ff..933ff06395 100644
> --- a/target/s390x/cpu.c
> +++ b/target/s390x/cpu.c
> @@ -37,6 +37,7 @@
> #ifndef CONFIG_USER_ONLY
> #include "sysemu/reset.h"
> #endif
> +#include "exec/exec-all.h"
>
> #define CR0_RESET 0xE0UL
> #define CR14_RESET 0xC2000000UL;
> @@ -83,6 +84,16 @@ uint64_t s390_cpu_get_psw_mask(CPUS390XState *env)
> return r;
> }
>
> +static void s390_cpu_synchronize_from_tb(CPUState *cs,
> + const TranslationBlock *tb)
> +{
> + /* The program counter is always up to date with TARGET_TB_PCREL. */
> + if (!TARGET_TB_PCREL) {
> + S390CPU *cpu = S390_CPU(cs);
> + cpu->env.psw.addr = tb_pc(tb);
> + }
> +}
FYI, this causes a build failure with --disable-tcg:
https://gitlab.com/thuth/qemu/-/jobs/3806828645#L1885
I'll add this to fix it, no need to respin:
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -84,6 +84,7 @@ uint64_t s390_cpu_get_psw_mask(CPUS390XState *env)
return r;
}
+#ifdef CONFIG_TCG
static void s390_cpu_synchronize_from_tb(CPUState *cs,
const TranslationBlock *tb)
{
@@ -93,6 +94,7 @@ static void s390_cpu_synchronize_from_tb(CPUState *cs,
cpu->env.psw.addr = tb_pc(tb);
}
}
+#endif
static void s390_cpu_set_pc(CPUState *cs, vaddr value)
{
Thomas
next prev parent reply other threads:[~2023-02-21 14:36 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-20 18:40 [PATCH v4 00/27] target/s390x: pc-relative translation blocks Richard Henderson
2023-02-20 18:40 ` [PATCH v4 01/27] target/s390x: Use tcg_constant_* in local contexts Richard Henderson
2023-02-20 18:40 ` [PATCH v4 02/27] target/s390x: Use tcg_constant_* for DisasCompare Richard Henderson
2023-02-20 18:40 ` [PATCH v4 03/27] target/s390x: Use tcg_constant_i32 for fpinst_extract_m34 Richard Henderson
2023-02-20 18:40 ` [PATCH v4 04/27] target/s390x: Use tcg_constant_* in translate_vx.c.inc Richard Henderson
2023-02-20 18:40 ` [PATCH v4 05/27] tests/tcg/s390x: Add bal.S Richard Henderson
2023-02-20 18:40 ` [PATCH v4 06/27] tests/tcg/s390x: Add sam.S Richard Henderson
2023-02-20 18:40 ` [PATCH v4 07/27] target/s390x: Change help_goto_direct to work on displacements Richard Henderson
2023-02-20 18:40 ` [PATCH v4 08/27] target/s390x: Introduce gen_psw_addr_disp Richard Henderson
2023-02-20 18:40 ` [PATCH v4 09/27] target/s390x: Remove pc argument to pc_to_link_into Richard Henderson
2023-02-20 18:40 ` [PATCH v4 10/27] target/s390x: Use gen_psw_addr_disp in pc_to_link_info Richard Henderson
2023-02-20 18:40 ` [PATCH v4 11/27] target/s390x: Use gen_psw_addr_disp in save_link_info Richard Henderson
2023-02-20 18:40 ` [PATCH v4 12/27] target/s390x: Use gen_psw_addr_disp in op_sam Richard Henderson
2023-02-20 18:40 ` [PATCH v4 13/27] target/s390x: Use ilen instead in branches Richard Henderson
2023-02-20 18:40 ` [PATCH v4 14/27] target/s390x: Assert masking of psw.addr in cpu_get_tb_cpu_state Richard Henderson
2023-02-20 18:40 ` [PATCH v4 15/27] target/s390x: Add disp argument to update_psw_addr Richard Henderson
2023-02-20 18:40 ` [PATCH v4 16/27] target/s390x: Don't set gbea for user-only Richard Henderson
2023-02-20 18:40 ` [PATCH v4 17/27] target/s390x: Introduce per_enabled Richard Henderson
2023-02-20 18:40 ` [PATCH v4 18/27] target/s390x: Disable conditional branch-to-next for PER Richard Henderson
2023-02-20 18:40 ` [PATCH v4 19/27] target/s390x: Introduce help_goto_indirect Richard Henderson
2023-02-20 18:40 ` [PATCH v4 20/27] target/s390x: Split per_branch Richard Henderson
2023-02-20 18:40 ` [PATCH v4 21/27] target/s390x: Simplify help_branch Richard Henderson
2023-02-20 18:40 ` [PATCH v4 22/27] target/s390x: Split per_breaking_event from per_branch_* Richard Henderson
2023-02-20 18:40 ` [PATCH v4 23/27] target/s390x: Remove PER check from use_goto_tb Richard Henderson
2023-02-20 18:40 ` [PATCH v4 24/27] target/s390x: Fix successful-branch PER events Richard Henderson
2023-02-20 18:40 ` [PATCH v4 25/27] tests/tcg/s390x: Add per.S Richard Henderson
2023-02-20 18:40 ` [PATCH v4 26/27] target/s390x: Pass original r2 register to BCR Richard Henderson
2023-02-20 18:40 ` [PATCH v4 27/27] target/s390x: Enable TARGET_TB_PCREL Richard Henderson
2023-02-21 14:35 ` Thomas Huth [this message]
2023-02-21 15:53 ` Richard Henderson
2023-02-27 11:41 ` Thomas Huth
2023-03-02 13:03 ` Thomas Huth
2023-03-02 18:05 ` Richard Henderson
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