Merge tag 'pull-target-arm-20240118' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * docs/devel/docs: Document .hx file syntax
 * arm_pamax() no longer needs to do feature propagation
 * docs/system/arm/virt.rst: Improve 'highmem' option docs
 * STM32L4x5 Implement SYSCFG and EXTI devices
 * hw/timer: fix systick trace message
 * hw/arm/virt: Consolidate valid CPU types
 * load_elf: fix iterator's type for elf file processing

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# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240118' of https://git.linaro.org/people/pmaydell/qemu-arm:
  load_elf: fix iterator's type for elf file processing
  hw/arm/virt: Consolidate valid CPU types
  hw/timer: fix systick trace message
  tests/qtest: Add STM32L4x5 SYSCFG QTest testcase
  hw/arm: Connect STM32L4x5 SYSCFG to STM32L4x5 SoC
  hw/misc: Implement STM32L4x5 SYSCFG
  tests/qtest: Add STM32L4x5 EXTI QTest testcase
  hw/arm: Connect STM32L4x5 EXTI to STM32L4x5 SoC
  hw/misc: Implement STM32L4x5 EXTI
  docs/system/arm/virt.rst: Improve 'highmem' option docs
  target/arm: arm_pamax() no longer needs to do feature propagation
  docs/devel/docs: Document .hx file syntax

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/include/hw/misc/stm32l4x5_exti.h b/include/hw/misc/stm32l4x5_exti.h
new file mode 100644
index 0000000000..be961d2f01
--- /dev/null
+++ b/include/hw/misc/stm32l4x5_exti.h
@@ -0,0 +1,51 @@
+/*
+ * STM32L4x5 EXTI (Extended interrupts and events controller)
+ *
+ * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr>
+ * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ * This work is based on the stm32f4xx_exti by Alistair Francis.
+ * Original code is licensed under the MIT License:
+ *
+ * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
+ */
+
+/*
+ * The reference used is the STMicroElectronics RM0351 Reference manual
+ * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs.
+ * https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html
+ */
+
+#ifndef HW_STM32L4X5_EXTI_H
+#define HW_STM32L4X5_EXTI_H
+
+#include "hw/sysbus.h"
+#include "qom/object.h"
+
+#define TYPE_STM32L4X5_EXTI "stm32l4x5-exti"
+OBJECT_DECLARE_SIMPLE_TYPE(Stm32l4x5ExtiState, STM32L4X5_EXTI)
+
+#define EXTI_NUM_INTERRUPT_OUT_LINES 40
+#define EXTI_NUM_REGISTER 2
+
+struct Stm32l4x5ExtiState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion mmio;
+
+    uint32_t imr[EXTI_NUM_REGISTER];
+    uint32_t emr[EXTI_NUM_REGISTER];
+    uint32_t rtsr[EXTI_NUM_REGISTER];
+    uint32_t ftsr[EXTI_NUM_REGISTER];
+    uint32_t swier[EXTI_NUM_REGISTER];
+    uint32_t pr[EXTI_NUM_REGISTER];
+
+    qemu_irq irq[EXTI_NUM_INTERRUPT_OUT_LINES];
+};
+
+#endif