GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2009
+ * Graeme Russ, graeme.russ@gmail.com
+ *
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ */
+
+#ifndef __ASM_INTERRUPT_H_
+#define __ASM_INTERRUPT_H_ 1
+
+#include <asm/types.h>
+
+#define SYS_NUM_IRQS	16
+
+/* Architecture defined exceptions */
+enum x86_exception {
+	EXC_DE = 0,
+	EXC_DB,
+	EXC_NMI,
+	EXC_BP,
+	EXC_OF,
+	EXC_BR,
+	EXC_UD,
+	EXC_NM,
+	EXC_DF,
+	EXC_CSO,
+	EXC_TS,
+	EXC_NP,
+	EXC_SS,
+	EXC_GP,
+	EXC_PF,
+	EXC_MF = 16,
+	EXC_AC,
+	EXC_MC,
+	EXC_XM,
+	EXC_VE
+};
+
+/* arch/x86/cpu/interrupts.c */
+void set_vector(u8 intnum, void *routine);
+
+/* Architecture specific functions */
+void mask_irq(int irq);
+void unmask_irq(int irq);
+void specific_eoi(int irq);
+
+extern char exception_stack[];
+
+/**
+ * configure_irq_trigger() - Configure IRQ triggering
+ *
+ * Switch the given interrupt to be level / edge triggered
+ *
+ * @param int_num legacy interrupt number (3-7, 9-15)
+ * @param is_level_triggered true for level triggered interrupt, false for
+ *	edge triggered interrupt
+ */
+void configure_irq_trigger(int int_num, bool is_level_triggered);
+
+void *x86_get_idt(void);
+
+#endif