Rather than having the 32-bit 'max' CPU type defined in cpu32.c and the 64-bit counter part in cpu64.c, unify the code in a single place in cpu-max.c. Define stubs for aarch64_host_initfn() and aarch64_max_tcg_initfn() in the 32-bit binary.
Signed-off-by: Philippe Mathieu-Daudé <[email protected]> --- target/arm/internals.h | 1 + target/arm/cpu-max.c | 65 ++++++++++++++++++++++++++++++++++++++++ target/arm/cpu64.c | 21 +------------ target/arm/tcg/cpu32.c | 29 ------------------ target/arm/tcg/stubs32.c | 10 +++++++ 5 files changed, 77 insertions(+), 49 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index c95f3d63138..ccada1c9018 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1759,6 +1759,7 @@ void aarch64_add_pauth_properties(Object *obj); void aarch64_add_sve_properties(Object *obj); void aarch64_add_sme_properties(Object *obj); void aarch64_aa32_a57_init(Object *obj, bool aa32_only); +void aarch64_host_initfn(Object *obj); /* Return true if the gdbstub is presenting an AArch64 CPU */ static inline bool arm_gdbstub_is_aarch64(ARMCPU *cpu) diff --git a/target/arm/cpu-max.c b/target/arm/cpu-max.c index 6fc54ebe74e..8cf8edc6535 100644 --- a/target/arm/cpu-max.c +++ b/target/arm/cpu-max.c @@ -8,7 +8,10 @@ #include "qemu/osdep.h" #include "qemu/units.h" +#include "system/hw_accel.h" #include "system/kvm.h" +#include "system/qtest.h" +#include "system/tcg.h" #include "target/arm/internals.h" #include "target/arm/cpregs.h" @@ -178,3 +181,65 @@ void aa32_max_features(ARMCPU *cpu) FIELD_DP32_IDREG(isar, ID_DFR1, HPMN0, 1); /* FEAT_HPMN0 */ } + +/* + * -cpu max: a CPU with as many features enabled as our emulation supports. + * The version of '-cpu max' for qemu-system-aarch64 is defined in cpu64.c; + * this only needs to handle 32 bits, and need not care about KVM. + */ +static void cpu_max_initfn(Object *obj) +{ + ARMCPU *cpu = ARM_CPU(obj); + +#ifdef TARGET_AARCH64 + const bool aarch64_enabled = true; +#else + const bool aarch64_enabled = false; +#endif /* !TARGET_AARCH64 */ + + if (hwaccel_enabled()) { + assert(aarch64_enabled); + /* + * When hardware acceleration enabled, '-cpu max' is + * identical to '-cpu host' + */ + aarch64_host_initfn(obj); + return; + } + + if (tcg_enabled() || qtest_enabled()) { + aarch64_aa32_a57_init(obj, !aarch64_enabled); + } + + if (!aarch64_enabled) { + aa32_max_features(cpu); +#ifdef CONFIG_USER_ONLY + /* + * Break with true ARMv8 and add back old-style VFP short-vector + * support. Only do this for user-mode, where -cpu max is the default, + * so that older v6 and v7 programs are more likely to work without + * adjustment. + */ + cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1); +#endif + } else if (tcg_enabled()) { + assert(aarch64_enabled); + /* + * '-cpu max' for TCG: we currently do this as + * "A57 with extra things" + */ + aarch64_max_tcg_initfn(obj); + } +} + +static const ARMCPUInfo arm_max_cpu = { + .name = "max", + .initfn = cpu_max_initfn, +}; + +static void arm_max_cpu_register_types(void) +{ + arm_cpu_register(&arm_max_cpu); +} + +type_init(arm_max_cpu_register_types) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 499d154dace..28167355773 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -791,7 +791,7 @@ static void kvm_arm_set_cpreg_mig_tolerances(ARMCPU *cpu) } #endif -static void aarch64_host_initfn(Object *obj) +void aarch64_host_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); @@ -818,28 +818,9 @@ static void aarch64_host_initfn(Object *obj) } } -static void aarch64_max_initfn(Object *obj) -{ - if (hwaccel_enabled()) { - /* When hardware acceleration enabled, '-cpu max' is identical to '-cpu host' */ - aarch64_host_initfn(obj); - return; - } - - if (tcg_enabled() || qtest_enabled()) { - aarch64_aa32_a57_init(obj, false); - } - - /* '-cpu max' for TCG: we currently do this as "A57 with extra things" */ - if (tcg_enabled()) { - aarch64_max_tcg_initfn(obj); - } -} - static const ARMCPUInfo aarch64_cpus[] = { { .name = "cortex-a57", .initfn = aarch64_a57_initfn }, { .name = "cortex-a53", .initfn = aarch64_a53_initfn }, - { .name = "max", .initfn = aarch64_max_initfn }, #if defined(CONFIG_KVM) || defined(CONFIG_HVF) || defined(CONFIG_WHPX) { .name = "host", .initfn = aarch64_host_initfn }, #endif diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c index a2f730451fb..8220d785f5b 100644 --- a/target/arm/tcg/cpu32.c +++ b/target/arm/tcg/cpu32.c @@ -711,32 +711,6 @@ static void sa1110_initfn(Object *obj) cpu->reset_sctlr = 0x00000070; } -#ifndef TARGET_AARCH64 -/* - * -cpu max: a CPU with as many features enabled as our emulation supports. - * The version of '-cpu max' for qemu-system-aarch64 is defined in cpu64.c; - * this only needs to handle 32 bits, and need not care about KVM. - */ -static void arm_max_initfn(Object *obj) -{ - ARMCPU *cpu = ARM_CPU(obj); - - /* Cortex-A57 advertising none of the aarch64 features */ - aarch64_aa32_a57_init(obj, true); - - aa32_max_features(cpu); - -#ifdef CONFIG_USER_ONLY - /* - * Break with true ARMv8 and add back old-style VFP short-vector support. - * Only do this for user-mode, where -cpu max is the default, so that - * older v6 and v7 programs are more likely to work without adjustment. - */ - cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1); -#endif -} -#endif /* !TARGET_AARCH64 */ - static const ARMCPUInfo arm_tcg_cpus[] = { { .name = "arm926", .initfn = arm926_initfn }, { .name = "arm946", .initfn = arm946_initfn }, @@ -760,9 +734,6 @@ static const ARMCPUInfo arm_tcg_cpus[] = { { .name = "ti925t", .initfn = ti925t_initfn }, { .name = "sa1100", .initfn = sa1100_initfn }, { .name = "sa1110", .initfn = sa1110_initfn }, -#ifndef TARGET_AARCH64 - { .name = "max", .initfn = arm_max_initfn }, -#endif }; static void arm_tcg_cpu_register_types(void) diff --git a/target/arm/tcg/stubs32.c b/target/arm/tcg/stubs32.c index 3945dc49e5e..78f819ef6ff 100644 --- a/target/arm/tcg/stubs32.c +++ b/target/arm/tcg/stubs32.c @@ -22,3 +22,13 @@ void aarch64_translate_code(CPUState *cs, TranslationBlock *tb, { g_assert_not_reached(); } + +void aarch64_host_initfn(Object *obj) +{ + g_assert_not_reached(); +} + +void aarch64_max_tcg_initfn(Object *obj) +{ + g_assert_not_reached(); +} -- 2.53.0
