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-rw-r--r--include/exec/cpu-interrupt.h70
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diff --git a/include/exec/cpu-interrupt.h b/include/exec/cpu-interrupt.h
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+/*
+ * Flags for use with cpu_interrupt()
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#ifndef CPU_INTERRUPT_H
+#define CPU_INTERRUPT_H
+
+/*
+ * The numbers assigned here are non-sequential in order to preserve binary
+ * compatibility with the vmstate dump. Bit 0 (0x0001) was previously used
+ * for CPU_INTERRUPT_EXIT, and is cleared when loading the vmstate dump.
+ */
+
+/*
+ * External hardware interrupt pending.
+ * This is typically used for interrupts from devices.
+ */
+#define CPU_INTERRUPT_HARD 0x0002
+
+/*
+ * Exit the current TB. This is typically used when some system-level device
+ * makes some change to the memory mapping. E.g. the a20 line change.
+ */
+#define CPU_INTERRUPT_EXITTB 0x0004
+
+/* Halt the CPU. */
+#define CPU_INTERRUPT_HALT 0x0020
+
+/* Debug event pending. */
+#define CPU_INTERRUPT_DEBUG 0x0080
+
+/* Reset signal. */
+#define CPU_INTERRUPT_RESET 0x0400
+
+/*
+ * Several target-specific external hardware interrupts. Each target/cpu.h
+ * should define proper names based on these defines.
+ */
+#define CPU_INTERRUPT_TGT_EXT_0 0x0008
+#define CPU_INTERRUPT_TGT_EXT_1 0x0010
+#define CPU_INTERRUPT_TGT_EXT_2 0x0040
+#define CPU_INTERRUPT_TGT_EXT_3 0x0200
+#define CPU_INTERRUPT_TGT_EXT_4 0x1000
+
+/*
+ * Several target-specific internal interrupts. These differ from the
+ * preceding target-specific interrupts in that they are intended to
+ * originate from within the cpu itself, typically in response to some
+ * instruction being executed. These, therefore, are not masked while
+ * single-stepping within the debugger.
+ */
+#define CPU_INTERRUPT_TGT_INT_0 0x0100
+#define CPU_INTERRUPT_TGT_INT_1 0x0800
+#define CPU_INTERRUPT_TGT_INT_2 0x2000
+
+/* First unused bit: 0x4000. */
+
+/* The set of all bits that should be masked when single-stepping. */
+#define CPU_INTERRUPT_SSTEP_MASK \
+ (CPU_INTERRUPT_HARD \
+ | CPU_INTERRUPT_TGT_EXT_0 \
+ | CPU_INTERRUPT_TGT_EXT_1 \
+ | CPU_INTERRUPT_TGT_EXT_2 \
+ | CPU_INTERRUPT_TGT_EXT_3 \
+ | CPU_INTERRUPT_TGT_EXT_4)
+
+#endif /* CPU_INTERRUPT_H */