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/*
* (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.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_INTERRUPT_H_
#define __ASM_INTERRUPT_H_ 1
/* 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
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