From: Claudio Fontana <cfontana@suse.de>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Claudio Fontana" <cfontana@centriq4.arch.suse.de>,
"Richard Henderson" <richard.henderson@linaro.org>,
qemu-devel@nongnu.org, "Roman Bolshakov" <r.bolshakov@yadro.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Eduardo Habkost" <ehabkost@redhat.com>
Subject: Re: [RFC v1 04/38] target/arm: move psci.c into tcg/softmmu/
Date: Tue, 23 Feb 2021 09:44:24 +0100 [thread overview]
Message-ID: <f6aafba9-600f-59a1-9dac-d3b88e82fc82@suse.de> (raw)
In-Reply-To: <87eeh857xf.fsf@linaro.org>
On 2/22/21 6:22 PM, Alex Bennée wrote:
>
> Claudio Fontana <cfontana@suse.de> writes:
>
>> From: Claudio Fontana <cfontana@centriq4.arch.suse.de>
>>
>> Signed-off-by: Claudio Fontana <cfontana@suse.de>
>> ---
>> target/arm/internals.h | 23 ++++++++++-------------
>> target/arm/tcg/helper.c | 2 ++
>> target/arm/{ => tcg/softmmu}/psci.c | 0
>> target/arm/tcg/user/psci.c | 26 ++++++++++++++++++++++++++
>> target/arm/meson.build | 1 -
>> target/arm/tcg/meson.build | 3 +++
>> target/arm/tcg/softmmu/meson.build | 4 ++++
>> target/arm/tcg/user/meson.build | 4 ++++
>> 8 files changed, 49 insertions(+), 14 deletions(-)
>> rename target/arm/{ => tcg/softmmu}/psci.c (100%)
>> create mode 100644 target/arm/tcg/user/psci.c
>> create mode 100644 target/arm/tcg/softmmu/meson.build
>> create mode 100644 target/arm/tcg/user/meson.build
>>
>> diff --git a/target/arm/internals.h b/target/arm/internals.h
>> index 05cebc8597..6384461177 100644
>> --- a/target/arm/internals.h
>> +++ b/target/arm/internals.h
>> @@ -292,21 +292,18 @@ vaddr arm_adjust_watchpoint_address(CPUState *cs, vaddr addr, int len);
>> /* Callback function for when a watchpoint or breakpoint triggers. */
>> void arm_debug_excp_handler(CPUState *cs);
>>
>> -#if defined(CONFIG_USER_ONLY) || !defined(CONFIG_TCG)
>> -static inline bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
>> -{
>> - return false;
>> -}
>> -static inline void arm_handle_psci_call(ARMCPU *cpu)
>> -{
>> - g_assert_not_reached();
>> -}
>> -#else
>
> I'm not sure I'm a fan of pushing these #ifdef tweaks down into the main
> code when the compiler is good an eliding them away. I guess we need
> this because the helper.o wants to be a shared object between both user
> and softmmu/sysemu mode?
Hi Alex,
yes, but will try to clean this up, I agree that this is too much preprocessor stuff.
Ciao,
CLaudio
>
>> -/* Return true if the r0/x0 value indicates that this SMC/HVC is a PSCI call. */
>> +#ifdef CONFIG_TCG
>> +/*
>> + * Return true only for softmmu, if the r0/x0 value indicates that this
>> + * SMC/HVC is a PSCI call.
>> + */
>> bool arm_is_psci_call(ARMCPU *cpu, int excp_type);
>> -/* Actually handle a PSCI call */
>> +
>> +#ifndef CONFIG_USER_ONLY
>> void arm_handle_psci_call(ARMCPU *cpu);
>> -#endif
>> +#endif /* !CONFIG_USER_ONLY */
>> +
>> +#endif /* CONFIG_TCG */
>>
>> /**
>> * arm_clear_exclusive: clear the exclusive monitor
>> diff --git a/target/arm/tcg/helper.c b/target/arm/tcg/helper.c
>> index 0e1a3b9421..beb8a5deed 100644
>> --- a/target/arm/tcg/helper.c
>> +++ b/target/arm/tcg/helper.c
>> @@ -10040,11 +10040,13 @@ void arm_cpu_do_interrupt(CPUState *cs)
>> env->exception.syndrome);
>> }
>>
>> +#ifndef CONFIG_USER_ONLY
>> if (arm_is_psci_call(cpu, cs->exception_index)) {
>> arm_handle_psci_call(cpu);
>> qemu_log_mask(CPU_LOG_INT, "...handled as PSCI call\n");
>> return;
>> }
>> +#endif /* CONFIG_USER_ONLY */
>>
>> /*
>> * Semihosting semantics depend on the register width of the code
>> diff --git a/target/arm/psci.c b/target/arm/tcg/softmmu/psci.c
>> similarity index 100%
>> rename from target/arm/psci.c
>> rename to target/arm/tcg/softmmu/psci.c
>> diff --git a/target/arm/tcg/user/psci.c b/target/arm/tcg/user/psci.c
>> new file mode 100644
>> index 0000000000..f3e293c516
>> --- /dev/null
>> +++ b/target/arm/tcg/user/psci.c
>> @@ -0,0 +1,26 @@
>> +/*
>> + * Copyright (C) 2014 - Linaro
>> + * Author: Rob Herring <rob.herring@linaro.org>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published by
>> + * the Free Software Foundation; either version 2 of the License, or
>> + * (at your option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License
>> + * along with this program; if not, see <http://www.gnu.org/licenses/>.
>> + */
>> +
>> +#include "qemu/osdep.h"
>> +#include "cpu.h"
>> +#include "internals.h"
>> +
>> +bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
>> +{
>> + return false;
>> +}
>> diff --git a/target/arm/meson.build b/target/arm/meson.build
>> index 0172937b40..3d23a6c687 100644
>> --- a/target/arm/meson.build
>> +++ b/target/arm/meson.build
>> @@ -19,7 +19,6 @@ arm_softmmu_ss.add(files(
>> 'arm-powerctl.c',
>> 'machine.c',
>> 'monitor.c',
>> - 'psci.c',
>> ))
>> arm_user_ss = ss.source_set()
>>
>> diff --git a/target/arm/tcg/meson.build b/target/arm/tcg/meson.build
>> index 3b4146d079..4d9ed4b9cf 100644
>> --- a/target/arm/tcg/meson.build
>> +++ b/target/arm/tcg/meson.build
>> @@ -36,3 +36,6 @@ arm_ss.add(when: ['TARGET_AARCH64','CONFIG_TCG'], if_true: files(
>> 'pauth_helper.c',
>> 'sve_helper.c',
>> ))
>> +
>> +subdir('user')
>> +subdir('softmmu')
>> diff --git a/target/arm/tcg/softmmu/meson.build b/target/arm/tcg/softmmu/meson.build
>> new file mode 100644
>> index 0000000000..f136c8bb8b
>> --- /dev/null
>> +++ b/target/arm/tcg/softmmu/meson.build
>> @@ -0,0 +1,4 @@
>> +
>> +arm_softmmu_ss.add(when: ['CONFIG_TCG','CONFIG_SOFTMMU'], if_true: files(
>> + 'psci.c',
>> +))
>> diff --git a/target/arm/tcg/user/meson.build b/target/arm/tcg/user/meson.build
>> new file mode 100644
>> index 0000000000..f18d08c52c
>> --- /dev/null
>> +++ b/target/arm/tcg/user/meson.build
>> @@ -0,0 +1,4 @@
>> +
>> +arm_user_ss.add(when: ['CONFIG_TCG','CONFIG_USER_ONLY'], if_true: files(
>> + 'psci.c',
>> +))
>
>
next prev parent reply other threads:[~2021-02-23 8:46 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210221092449.7545-1-cfontana@suse.de>
[not found] ` <20210221092449.7545-33-cfontana@suse.de>
2021-02-21 9:53 ` [RFC v1 32/38] target/arm: cpu: do not initialize TCG PMU for KVM Philippe Mathieu-Daudé
2021-02-21 13:59 ` Claudio Fontana
2021-02-22 6:11 ` Richard Henderson
[not found] ` <20210221092449.7545-35-cfontana@suse.de>
2021-02-21 9:55 ` [RFC v1 34/38] target/arm: cpu: only initialize TCG gt timers under CONFIG_TCG Philippe Mathieu-Daudé
2021-02-21 13:59 ` Claudio Fontana
2021-02-22 8:35 ` Claudio Fontana
2021-03-01 18:19 ` Olaf Hering
[not found] ` <87v9ak5cz0.fsf@linaro.org>
2021-02-23 9:12 ` Claudio Fontana
2021-02-23 11:01 ` Alex Bennée
2021-02-23 11:36 ` Claudio Fontana
2021-02-23 12:38 ` Claudio Fontana
2021-02-23 14:47 ` Paolo Bonzini
2021-02-22 5:35 ` [RFC v1 00/38] arm cleanup experiment for kvm-only build Richard Henderson
2021-02-22 8:43 ` Claudio Fontana
2021-02-22 11:56 ` Philippe Mathieu-Daudé
2021-02-22 16:08 ` Richard Henderson
2021-02-22 16:57 ` Alex Bennée
2021-02-23 9:17 ` Claudio Fontana
[not found] ` <20210221092449.7545-21-cfontana@suse.de>
2021-02-22 5:48 ` [RFC v1 20/38] target/arm: move arm_hcr_el2_eff to common_cpu Richard Henderson
[not found] ` <20210221092449.7545-24-cfontana@suse.de>
2021-02-22 5:52 ` [RFC v1 23/38] target/arm: move arm_mmu_idx_el to common-cpu Richard Henderson
[not found] ` <20210221092449.7545-25-cfontana@suse.de>
2021-02-22 6:02 ` [RFC v1 24/38] target/arm: move aa64_va_parameter_tbi,tbid,tcma and arm_rebuild_hflags Richard Henderson
2021-02-23 10:07 ` Claudio Fontana
2021-02-23 16:30 ` Richard Henderson
[not found] ` <20210221092449.7545-26-cfontana@suse.de>
2021-02-22 6:04 ` [RFC v1 25/38] target/arm: move fp_exception_el outside of tcg helpers Richard Henderson
[not found] ` <20210221092449.7545-27-cfontana@suse.de>
2021-02-22 6:05 ` [RFC v1 26/38] target/arm: move sve_exception_el to cpu Richard Henderson
[not found] ` <20210221092449.7545-28-cfontana@suse.de>
2021-02-22 6:06 ` [RFC v1 27/38] target/arm: move sve_zcr_len_for_el to common_cpu Richard Henderson
2021-02-25 17:28 ` Claudio Fontana
2021-02-25 20:13 ` Claudio Fontana
2021-02-26 4:01 ` Richard Henderson
[not found] ` <20210221092449.7545-29-cfontana@suse.de>
2021-02-22 6:09 ` [RFC v1 28/38] target/arm: make arm_pmu_timer_cb TCG-only, starting tcg-stub Richard Henderson
[not found] ` <20210221092449.7545-2-cfontana@suse.de>
2021-02-22 6:14 ` [RFC v1 01/38] target/arm: move translate modules to tcg/ Richard Henderson
[not found] ` <20210221092449.7545-4-cfontana@suse.de>
2021-02-22 6:16 ` [RFC v1 03/38] arm: tcg: only build under CONFIG_TCG Richard Henderson
[not found] ` <20210221092449.7545-6-cfontana@suse.de>
2021-02-22 6:21 ` [RFC v1 05/38] target/arm: wrap arm_cpu_exec_interrupt in CONFIG_TCG Richard Henderson
2021-02-22 8:31 ` Claudio Fontana
2021-02-22 15:54 ` Richard Henderson
2021-02-23 8:46 ` Claudio Fontana
[not found] ` <20210221092449.7545-9-cfontana@suse.de>
2021-02-22 6:29 ` [RFC v1 08/38] target/arm/tcg: split softmmu parts of v8_cp_reginfo and el2_cp_reginfo Richard Henderson
[not found] ` <20210221092449.7545-3-cfontana@suse.de>
2021-02-22 6:16 ` [RFC v1 02/38] target/arm: move helpers to tcg/ Richard Henderson
2021-02-22 17:20 ` Philippe Mathieu-Daudé
[not found] ` <20210221092449.7545-5-cfontana@suse.de>
[not found] ` <87eeh857xf.fsf@linaro.org>
2021-02-23 8:44 ` Claudio Fontana [this message]
[not found] ` <20210221092449.7545-7-cfontana@suse.de>
[not found] ` <87blcc57rj.fsf@linaro.org>
2021-02-23 8:55 ` [RFC v1 06/38] target/arm: split off cpu-softmmu.c Claudio Fontana
2021-02-23 9:16 ` Philippe Mathieu-Daudé
2021-02-23 9:35 ` Claudio Fontana
2021-02-23 18:18 ` softmmu vs sysemu [Was: Re: [RFC v1 06/38] target/arm: split off cpu-softmmu.c] Claudio Fontana
2021-02-23 18:51 ` Richard Henderson
2021-02-23 23:43 ` Philippe Mathieu-Daudé
2021-02-24 0:06 ` Richard Henderson
2021-02-24 9:20 ` Paolo Bonzini
2021-02-24 9:30 ` Claudio Fontana
2021-02-24 10:00 ` Paolo Bonzini
[not found] ` <875z2k53mn.fsf@linaro.org>
2021-02-23 9:18 ` [RFC v1 00/38] arm cleanup experiment for kvm-only build Philippe Mathieu-Daudé
2021-03-01 11:52 ` Claudio Fontana
2021-03-01 16:23 ` Alex Bennée
2021-03-03 17:57 ` Claudio Fontana
2021-03-03 18:09 ` Peter Maydell
2021-03-03 18:17 ` Claudio Fontana
2021-03-03 18:20 ` Claudio Fontana
2021-03-03 18:30 ` Philippe Mathieu-Daudé
2021-03-03 18:39 ` Richard Henderson
2021-03-03 18:45 ` Claudio Fontana
2021-03-03 18:54 ` Richard Henderson
2021-03-04 16:39 ` Philippe Mathieu-Daudé
2021-03-04 17:19 ` Claudio Fontana
2021-03-04 17:47 ` Philippe Mathieu-Daudé
2021-03-04 19:24 ` Peter Maydell
2021-03-05 9:04 ` Claudio Fontana
2021-03-03 18:34 ` Philippe Mathieu-Daudé
2021-03-03 18:38 ` Claudio Fontana
2021-02-23 9:18 ` Claudio Fontana
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