From: Thomas Huth <thuth@redhat.com>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Fabiano Rosas" <farosas@suse.de>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH 1/3] target/arm: Move v7m-related code from cpu32.c into a separate file
Date: Fri, 26 Jan 2024 09:39:59 +0100 [thread overview]
Message-ID: <20240126084001.879548-2-thuth@redhat.com> (raw)
In-Reply-To: <20240126084001.879548-1-thuth@redhat.com>
Move the code to a separate file so that we do not have to compile
it anymore if CONFIG_ARM_V7M is not set.
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/arm/tcg/cpu-v7m.c | 292 +++++++++++++++++++++++++++++++++++++
target/arm/tcg/cpu32.c | 261 ---------------------------------
target/arm/tcg/meson.build | 4 +
3 files changed, 296 insertions(+), 261 deletions(-)
create mode 100644 target/arm/tcg/cpu-v7m.c
diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c
new file mode 100644
index 0000000000..d61873ab6d
--- /dev/null
+++ b/target/arm/tcg/cpu-v7m.c
@@ -0,0 +1,292 @@
+/*
+ * QEMU ARM V7 TCG-only CPUs.
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This code is licensed under the GNU GPL v2 or later.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "hw/core/tcg-cpu-ops.h"
+#include "internals.h"
+#include "hw/intc/armv7m_nvic.h"
+
+/* CPU models. These are not needed for the AArch64 linux-user build. */
+#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
+
+#if !defined(CONFIG_USER_ONLY)
+static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
+{
+ CPUClass *cc = CPU_GET_CLASS(cs);
+ ARMCPU *cpu = ARM_CPU(cs);
+ CPUARMState *env = &cpu->env;
+ bool ret = false;
+
+ /*
+ * ARMv7-M interrupt masking works differently than -A or -R.
+ * There is no FIQ/IRQ distinction. Instead of I and F bits
+ * masking FIQ and IRQ interrupts, an exception is taken only
+ * if it is higher priority than the current execution priority
+ * (which depends on state like BASEPRI, FAULTMASK and the
+ * currently active exception).
+ */
+ if (interrupt_request & CPU_INTERRUPT_HARD
+ && (armv7m_nvic_can_take_pending_exception(env->nvic))) {
+ cs->exception_index = EXCP_IRQ;
+ cc->tcg_ops->do_interrupt(cs);
+ ret = true;
+ }
+ return ret;
+}
+#endif /* !CONFIG_USER_ONLY */
+
+static void cortex_m0_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+ set_feature(&cpu->env, ARM_FEATURE_V6);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+
+ cpu->midr = 0x410cc200;
+
+ /*
+ * These ID register values are not guest visible, because
+ * we do not implement the Main Extension. They must be set
+ * to values corresponding to the Cortex-M0's implemented
+ * features, because QEMU generally controls its emulation
+ * by looking at ID register fields. We use the same values as
+ * for the M3.
+ */
+ cpu->isar.id_pfr0 = 0x00000030;
+ cpu->isar.id_pfr1 = 0x00000200;
+ cpu->isar.id_dfr0 = 0x00100000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00000030;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x00000000;
+ cpu->isar.id_mmfr3 = 0x00000000;
+ cpu->isar.id_isar0 = 0x01141110;
+ cpu->isar.id_isar1 = 0x02111000;
+ cpu->isar.id_isar2 = 0x21112231;
+ cpu->isar.id_isar3 = 0x01111110;
+ cpu->isar.id_isar4 = 0x01310102;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+}
+
+static void cortex_m3_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+ set_feature(&cpu->env, ARM_FEATURE_V7);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+ set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
+ cpu->midr = 0x410fc231;
+ cpu->pmsav7_dregion = 8;
+ cpu->isar.id_pfr0 = 0x00000030;
+ cpu->isar.id_pfr1 = 0x00000200;
+ cpu->isar.id_dfr0 = 0x00100000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00000030;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x00000000;
+ cpu->isar.id_mmfr3 = 0x00000000;
+ cpu->isar.id_isar0 = 0x01141110;
+ cpu->isar.id_isar1 = 0x02111000;
+ cpu->isar.id_isar2 = 0x21112231;
+ cpu->isar.id_isar3 = 0x01111110;
+ cpu->isar.id_isar4 = 0x01310102;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+}
+
+static void cortex_m4_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V7);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+ set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
+ set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
+ cpu->midr = 0x410fc240; /* r0p0 */
+ cpu->pmsav7_dregion = 8;
+ cpu->isar.mvfr0 = 0x10110021;
+ cpu->isar.mvfr1 = 0x11000011;
+ cpu->isar.mvfr2 = 0x00000000;
+ cpu->isar.id_pfr0 = 0x00000030;
+ cpu->isar.id_pfr1 = 0x00000200;
+ cpu->isar.id_dfr0 = 0x00100000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00000030;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x00000000;
+ cpu->isar.id_mmfr3 = 0x00000000;
+ cpu->isar.id_isar0 = 0x01141110;
+ cpu->isar.id_isar1 = 0x02111000;
+ cpu->isar.id_isar2 = 0x21112231;
+ cpu->isar.id_isar3 = 0x01111110;
+ cpu->isar.id_isar4 = 0x01310102;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+}
+
+static void cortex_m7_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V7);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+ set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
+ set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
+ cpu->midr = 0x411fc272; /* r1p2 */
+ cpu->pmsav7_dregion = 8;
+ cpu->isar.mvfr0 = 0x10110221;
+ cpu->isar.mvfr1 = 0x12000011;
+ cpu->isar.mvfr2 = 0x00000040;
+ cpu->isar.id_pfr0 = 0x00000030;
+ cpu->isar.id_pfr1 = 0x00000200;
+ cpu->isar.id_dfr0 = 0x00100000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00100030;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x01000000;
+ cpu->isar.id_mmfr3 = 0x00000000;
+ cpu->isar.id_isar0 = 0x01101110;
+ cpu->isar.id_isar1 = 0x02112000;
+ cpu->isar.id_isar2 = 0x20232231;
+ cpu->isar.id_isar3 = 0x01111131;
+ cpu->isar.id_isar4 = 0x01310132;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+}
+
+static void cortex_m33_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+ set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
+ set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
+ set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
+ cpu->midr = 0x410fd213; /* r0p3 */
+ cpu->pmsav7_dregion = 16;
+ cpu->sau_sregion = 8;
+ cpu->isar.mvfr0 = 0x10110021;
+ cpu->isar.mvfr1 = 0x11000011;
+ cpu->isar.mvfr2 = 0x00000040;
+ cpu->isar.id_pfr0 = 0x00000030;
+ cpu->isar.id_pfr1 = 0x00000210;
+ cpu->isar.id_dfr0 = 0x00200000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00101F40;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x01000000;
+ cpu->isar.id_mmfr3 = 0x00000000;
+ cpu->isar.id_isar0 = 0x01101110;
+ cpu->isar.id_isar1 = 0x02212000;
+ cpu->isar.id_isar2 = 0x20232232;
+ cpu->isar.id_isar3 = 0x01111131;
+ cpu->isar.id_isar4 = 0x01310132;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+ cpu->clidr = 0x00000000;
+ cpu->ctr = 0x8000c000;
+}
+
+static void cortex_m55_initfn(Object *obj)
+{
+ ARMCPU *cpu = ARM_CPU(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8);
+ set_feature(&cpu->env, ARM_FEATURE_V8_1M);
+ set_feature(&cpu->env, ARM_FEATURE_M);
+ set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
+ set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
+ set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
+ cpu->midr = 0x410fd221; /* r0p1 */
+ cpu->revidr = 0;
+ cpu->pmsav7_dregion = 16;
+ cpu->sau_sregion = 8;
+ /* These are the MVFR* values for the FPU + full MVE configuration */
+ cpu->isar.mvfr0 = 0x10110221;
+ cpu->isar.mvfr1 = 0x12100211;
+ cpu->isar.mvfr2 = 0x00000040;
+ cpu->isar.id_pfr0 = 0x20000030;
+ cpu->isar.id_pfr1 = 0x00000230;
+ cpu->isar.id_dfr0 = 0x10200000;
+ cpu->id_afr0 = 0x00000000;
+ cpu->isar.id_mmfr0 = 0x00111040;
+ cpu->isar.id_mmfr1 = 0x00000000;
+ cpu->isar.id_mmfr2 = 0x01000000;
+ cpu->isar.id_mmfr3 = 0x00000011;
+ cpu->isar.id_isar0 = 0x01103110;
+ cpu->isar.id_isar1 = 0x02212000;
+ cpu->isar.id_isar2 = 0x20232232;
+ cpu->isar.id_isar3 = 0x01111131;
+ cpu->isar.id_isar4 = 0x01310132;
+ cpu->isar.id_isar5 = 0x00000000;
+ cpu->isar.id_isar6 = 0x00000000;
+ cpu->clidr = 0x00000000; /* caches not implemented */
+ cpu->ctr = 0x8303c003;
+}
+
+static const struct TCGCPUOps arm_v7m_tcg_ops = {
+ .initialize = arm_translate_init,
+ .synchronize_from_tb = arm_cpu_synchronize_from_tb,
+ .debug_excp_handler = arm_debug_excp_handler,
+ .restore_state_to_opc = arm_restore_state_to_opc,
+
+#ifdef CONFIG_USER_ONLY
+ .record_sigsegv = arm_cpu_record_sigsegv,
+ .record_sigbus = arm_cpu_record_sigbus,
+#else
+ .tlb_fill = arm_cpu_tlb_fill,
+ .cpu_exec_interrupt = arm_v7m_cpu_exec_interrupt,
+ .do_interrupt = arm_v7m_cpu_do_interrupt,
+ .do_transaction_failed = arm_cpu_do_transaction_failed,
+ .do_unaligned_access = arm_cpu_do_unaligned_access,
+ .adjust_watchpoint_address = arm_adjust_watchpoint_address,
+ .debug_check_watchpoint = arm_debug_check_watchpoint,
+ .debug_check_breakpoint = arm_debug_check_breakpoint,
+#endif /* !CONFIG_USER_ONLY */
+};
+
+static void arm_v7m_class_init(ObjectClass *oc, void *data)
+{
+ ARMCPUClass *acc = ARM_CPU_CLASS(oc);
+ CPUClass *cc = CPU_CLASS(oc);
+
+ acc->info = data;
+ cc->tcg_ops = &arm_v7m_tcg_ops;
+ cc->gdb_core_xml_file = "arm-m-profile.xml";
+}
+
+static const ARMCPUInfo arm_v7m_cpus[] = {
+ { .name = "cortex-m0", .initfn = cortex_m0_initfn,
+ .class_init = arm_v7m_class_init },
+ { .name = "cortex-m3", .initfn = cortex_m3_initfn,
+ .class_init = arm_v7m_class_init },
+ { .name = "cortex-m4", .initfn = cortex_m4_initfn,
+ .class_init = arm_v7m_class_init },
+ { .name = "cortex-m7", .initfn = cortex_m7_initfn,
+ .class_init = arm_v7m_class_init },
+ { .name = "cortex-m33", .initfn = cortex_m33_initfn,
+ .class_init = arm_v7m_class_init },
+ { .name = "cortex-m55", .initfn = cortex_m55_initfn,
+ .class_init = arm_v7m_class_init },
+};
+
+static void arm_v7m_cpu_register_types(void)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(arm_v7m_cpus); ++i) {
+ arm_cpu_register(&arm_v7m_cpus[i]);
+ }
+}
+
+type_init(arm_v7m_cpu_register_types)
+
+#endif
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index d9e0e2a4dd..7132dc4b6f 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -17,9 +17,6 @@
#include "hw/boards.h"
#endif
#include "cpregs.h"
-#if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)
-#include "hw/intc/armv7m_nvic.h"
-#endif
/* Share AArch32 -cpu max features with AArch64. */
@@ -98,32 +95,6 @@ void aa32_max_features(ARMCPU *cpu)
/* CPU models. These are not needed for the AArch64 linux-user build. */
#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
-#if !defined(CONFIG_USER_ONLY)
-static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
-{
- CPUClass *cc = CPU_GET_CLASS(cs);
- ARMCPU *cpu = ARM_CPU(cs);
- CPUARMState *env = &cpu->env;
- bool ret = false;
-
- /*
- * ARMv7-M interrupt masking works differently than -A or -R.
- * There is no FIQ/IRQ distinction. Instead of I and F bits
- * masking FIQ and IRQ interrupts, an exception is taken only
- * if it is higher priority than the current execution priority
- * (which depends on state like BASEPRI, FAULTMASK and the
- * currently active exception).
- */
- if (interrupt_request & CPU_INTERRUPT_HARD
- && (armv7m_nvic_can_take_pending_exception(env->nvic))) {
- cs->exception_index = EXCP_IRQ;
- cc->tcg_ops->do_interrupt(cs);
- ret = true;
- }
- return ret;
-}
-#endif /* !CONFIG_USER_ONLY */
-
static void arm926_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
@@ -571,195 +542,6 @@ static void cortex_a15_initfn(Object *obj)
define_arm_cp_regs(cpu, cortexa15_cp_reginfo);
}
-static void cortex_m0_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
- set_feature(&cpu->env, ARM_FEATURE_V6);
- set_feature(&cpu->env, ARM_FEATURE_M);
-
- cpu->midr = 0x410cc200;
-
- /*
- * These ID register values are not guest visible, because
- * we do not implement the Main Extension. They must be set
- * to values corresponding to the Cortex-M0's implemented
- * features, because QEMU generally controls its emulation
- * by looking at ID register fields. We use the same values as
- * for the M3.
- */
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
- cpu->isar.id_dfr0 = 0x00100000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
-}
-
-static void cortex_m3_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
- set_feature(&cpu->env, ARM_FEATURE_V7);
- set_feature(&cpu->env, ARM_FEATURE_M);
- set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
- cpu->midr = 0x410fc231;
- cpu->pmsav7_dregion = 8;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
- cpu->isar.id_dfr0 = 0x00100000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
-}
-
-static void cortex_m4_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
-
- set_feature(&cpu->env, ARM_FEATURE_V7);
- set_feature(&cpu->env, ARM_FEATURE_M);
- set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
- set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- cpu->midr = 0x410fc240; /* r0p0 */
- cpu->pmsav7_dregion = 8;
- cpu->isar.mvfr0 = 0x10110021;
- cpu->isar.mvfr1 = 0x11000011;
- cpu->isar.mvfr2 = 0x00000000;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
- cpu->isar.id_dfr0 = 0x00100000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
-}
-
-static void cortex_m7_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
-
- set_feature(&cpu->env, ARM_FEATURE_V7);
- set_feature(&cpu->env, ARM_FEATURE_M);
- set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
- set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- cpu->midr = 0x411fc272; /* r1p2 */
- cpu->pmsav7_dregion = 8;
- cpu->isar.mvfr0 = 0x10110221;
- cpu->isar.mvfr1 = 0x12000011;
- cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
- cpu->isar.id_dfr0 = 0x00100000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00100030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01101110;
- cpu->isar.id_isar1 = 0x02112000;
- cpu->isar.id_isar2 = 0x20232231;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
-}
-
-static void cortex_m33_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
-
- set_feature(&cpu->env, ARM_FEATURE_V8);
- set_feature(&cpu->env, ARM_FEATURE_M);
- set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
- set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
- set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- cpu->midr = 0x410fd213; /* r0p3 */
- cpu->pmsav7_dregion = 16;
- cpu->sau_sregion = 8;
- cpu->isar.mvfr0 = 0x10110021;
- cpu->isar.mvfr1 = 0x11000011;
- cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000210;
- cpu->isar.id_dfr0 = 0x00200000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00101F40;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01101110;
- cpu->isar.id_isar1 = 0x02212000;
- cpu->isar.id_isar2 = 0x20232232;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
- cpu->clidr = 0x00000000;
- cpu->ctr = 0x8000c000;
-}
-
-static void cortex_m55_initfn(Object *obj)
-{
- ARMCPU *cpu = ARM_CPU(obj);
-
- set_feature(&cpu->env, ARM_FEATURE_V8);
- set_feature(&cpu->env, ARM_FEATURE_V8_1M);
- set_feature(&cpu->env, ARM_FEATURE_M);
- set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
- set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
- set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- cpu->midr = 0x410fd221; /* r0p1 */
- cpu->revidr = 0;
- cpu->pmsav7_dregion = 16;
- cpu->sau_sregion = 8;
- /* These are the MVFR* values for the FPU + full MVE configuration */
- cpu->isar.mvfr0 = 0x10110221;
- cpu->isar.mvfr1 = 0x12100211;
- cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x20000030;
- cpu->isar.id_pfr1 = 0x00000230;
- cpu->isar.id_dfr0 = 0x10200000;
- cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00111040;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000011;
- cpu->isar.id_isar0 = 0x01103110;
- cpu->isar.id_isar1 = 0x02212000;
- cpu->isar.id_isar2 = 0x20232232;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
- cpu->clidr = 0x00000000; /* caches not implemented */
- cpu->ctr = 0x8303c003;
-}
-
static const ARMCPRegInfo cortexr5_cp_reginfo[] = {
/* Dummy the TCM region regs for the moment */
{ .name = "ATCM", .cp = 15, .opc1 = 0, .crn = 9, .crm = 1, .opc2 = 0,
@@ -1018,37 +800,6 @@ static void pxa270c5_initfn(Object *obj)
cpu->reset_sctlr = 0x00000078;
}
-static const struct TCGCPUOps arm_v7m_tcg_ops = {
- .initialize = arm_translate_init,
- .synchronize_from_tb = arm_cpu_synchronize_from_tb,
- .debug_excp_handler = arm_debug_excp_handler,
- .restore_state_to_opc = arm_restore_state_to_opc,
-
-#ifdef CONFIG_USER_ONLY
- .record_sigsegv = arm_cpu_record_sigsegv,
- .record_sigbus = arm_cpu_record_sigbus,
-#else
- .tlb_fill = arm_cpu_tlb_fill,
- .cpu_exec_interrupt = arm_v7m_cpu_exec_interrupt,
- .do_interrupt = arm_v7m_cpu_do_interrupt,
- .do_transaction_failed = arm_cpu_do_transaction_failed,
- .do_unaligned_access = arm_cpu_do_unaligned_access,
- .adjust_watchpoint_address = arm_adjust_watchpoint_address,
- .debug_check_watchpoint = arm_debug_check_watchpoint,
- .debug_check_breakpoint = arm_debug_check_breakpoint,
-#endif /* !CONFIG_USER_ONLY */
-};
-
-static void arm_v7m_class_init(ObjectClass *oc, void *data)
-{
- ARMCPUClass *acc = ARM_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
-
- acc->info = data;
- cc->tcg_ops = &arm_v7m_tcg_ops;
- cc->gdb_core_xml_file = "arm-m-profile.xml";
-}
-
#ifndef TARGET_AARCH64
/*
* -cpu max: a CPU with as many features enabled as our emulation supports.
@@ -1131,18 +882,6 @@ static const ARMCPUInfo arm_tcg_cpus[] = {
{ .name = "cortex-a8", .initfn = cortex_a8_initfn },
{ .name = "cortex-a9", .initfn = cortex_a9_initfn },
{ .name = "cortex-a15", .initfn = cortex_a15_initfn },
- { .name = "cortex-m0", .initfn = cortex_m0_initfn,
- .class_init = arm_v7m_class_init },
- { .name = "cortex-m3", .initfn = cortex_m3_initfn,
- .class_init = arm_v7m_class_init },
- { .name = "cortex-m4", .initfn = cortex_m4_initfn,
- .class_init = arm_v7m_class_init },
- { .name = "cortex-m7", .initfn = cortex_m7_initfn,
- .class_init = arm_v7m_class_init },
- { .name = "cortex-m33", .initfn = cortex_m33_initfn,
- .class_init = arm_v7m_class_init },
- { .name = "cortex-m55", .initfn = cortex_m55_initfn,
- .class_init = arm_v7m_class_init },
{ .name = "cortex-r5", .initfn = cortex_r5_initfn },
{ .name = "cortex-r5f", .initfn = cortex_r5f_initfn },
{ .name = "cortex-r52", .initfn = cortex_r52_initfn },
diff --git a/target/arm/tcg/meson.build b/target/arm/tcg/meson.build
index 6fca38f2cc..8c7f6b43f3 100644
--- a/target/arm/tcg/meson.build
+++ b/target/arm/tcg/meson.build
@@ -52,6 +52,10 @@ arm_ss.add(when: 'TARGET_AARCH64', if_true: files(
'sve_helper.c',
))
+arm_ss.add(when: 'CONFIG_ARM_V7M', if_true: files(
+ 'cpu-v7m.c'
+))
+
arm_system_ss.add(files(
'psci.c',
))
--
2.43.0
next prev parent reply other threads:[~2024-01-26 8:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-26 8:39 [PATCH 0/3] target/arm: Allow compilation without CONFIG_ARM_V7M Thomas Huth
2024-01-26 8:39 ` Thomas Huth [this message]
2024-01-26 10:44 ` [PATCH 1/3] target/arm: Move v7m-related code from cpu32.c into a separate file Philippe Mathieu-Daudé
2024-01-26 17:02 ` Thomas Huth
2024-01-26 8:40 ` [PATCH 2/3] target/arm/tcg/m_helper.c: Include the full helpers only with CONFIG_ARM_V7M Thomas Huth
2024-01-26 8:40 ` [PATCH 3/3] target/arm/Kconfig: Stop requiring CONFIG_ARM_V7M Thomas Huth
2024-01-26 13:44 ` [PATCH 0/3] target/arm: Allow compilation without CONFIG_ARM_V7M Fabiano Rosas
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