X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fasm-i386%2Finterrupt.h;h=7f408cb944e3b06304c0866f257586ae66e2e483;hb=dfc703fac589eef22aadb7dde2ab0ff16eabb9b8;hp=315b4001ca560439606366c9c62f7b6b90f6e74e;hpb=1ea0823786eb3bbb604da88279eca3ba31ef205f;p=oweals%2Fu-boot.git

diff --git a/include/asm-i386/interrupt.h b/include/asm-i386/interrupt.h
index 315b4001ca..7f408cb944 100644
--- a/include/asm-i386/interrupt.h
+++ b/include/asm-i386/interrupt.h
@@ -1,7 +1,10 @@
 /*
- * (C) Copyright 2008
+ * (C) Copyright 2009
  * Graeme Russ, graeme.russ@gmail.com
  *
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -24,6 +27,47 @@
 #ifndef __ASM_INTERRUPT_H_
 #define __ASM_INTERRUPT_H_ 1
 
-void set_vector(int intnum, void *routine);
+/* cpu/i386/interrupts.c */
+void set_vector(u8 intnum, void *routine);
+
+/* lib_i386/interupts.c */
+void disable_irq(int irq);
+void enable_irq(int irq);
+
+/* Architecture specific functions */
+void mask_irq(int irq);
+void unmask_irq(int irq);
+void specific_eoi(int irq);
+
+extern char exception_stack[];
+
+#define __isr__ void __attribute__ ((regparm(0)))
+
+#define DECLARE_INTERRUPT(x) \
+	asm(".globl irq_"#x"\n" \
+		    "irq_"#x":\n" \
+		    "pusha \n" \
+		    "pushl $"#x"\n" \
+		    "pushl $irq_return\n" \
+		    "jmp   do_irq\n"); \
+	__isr__ irq_##x(void)
+
+#define DECLARE_EXCEPTION(x, f) \
+	asm(".globl exp_"#x"\n" \
+		    "exp_"#x":\n" \
+		    "pusha \n" \
+		    "movl     %esp, %ebx\n" \
+		    "movl     $exception_stack, %eax\n" \
+		    "movl     %eax, %esp \n" \
+		    "pushl    %ebx\n" \
+		    "movl     32(%esp), %ebx\n" \
+		    "xorl     %edx, %edx\n" \
+		    "movw     36(%esp), %dx\n" \
+		    "pushl    %edx\n" \
+		    "pushl    %ebx\n" \
+		    "pushl    $"#x"\n" \
+		    "pushl    $exp_return\n" \
+		    "jmp      "#f"\n"); \
+	__isr__ exp_##x(void)
 
 #endif