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author | Wolfgang Denk <wd@denx.de> | 2009-03-21 22:15:49 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2009-03-21 22:15:49 +0100 |
commit | ee1702d75a30d076139d1841383a1fa7220a0e11 (patch) | |
tree | b008c231b7d5e4e52ac49aec9a49bc73413aaf30 /include/asm-i386/interrupt.h | |
parent | e60beb13cf0135dc71c541021487b5ccc4d269cb (diff) | |
parent | faac4fd852e39cb1d7a740801b060e41aeacef1f (diff) | |
download | u-boot-imx-ee1702d75a30d076139d1841383a1fa7220a0e11.zip u-boot-imx-ee1702d75a30d076139d1841383a1fa7220a0e11.tar.gz u-boot-imx-ee1702d75a30d076139d1841383a1fa7220a0e11.tar.bz2 |
Merge branch 'next' of ../next
Diffstat (limited to 'include/asm-i386/interrupt.h')
-rw-r--r-- | include/asm-i386/interrupt.h | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/include/asm-i386/interrupt.h b/include/asm-i386/interrupt.h index 315b400..7f408cb 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 |