230 lines
6.3 KiB
C
230 lines
6.3 KiB
C
/*
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* (C) Copyright 2002
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* Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/interrupt.h>
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asm (".globl exp_return\n"
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"exp_return:\n"
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" addl $12, %esp\n"
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" pop %esp\n"
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" popa\n"
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" iret\n");
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char exception_stack[4096];
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/*
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* For detailed description of each exception, refer to:
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* Intel® 64 and IA-32 Architectures Software Developer's Manual
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* Volume 1: Basic Architecture
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* Order Number: 253665-029US, November 2008
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* Table 6-1. Exceptions and Interrupts
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*/
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DECLARE_EXCEPTION(0, divide_error_entry);
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DECLARE_EXCEPTION(1, debug_entry);
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DECLARE_EXCEPTION(2, nmi_interrupt_entry);
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DECLARE_EXCEPTION(3, breakpoint_entry);
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DECLARE_EXCEPTION(4, overflow_entry);
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DECLARE_EXCEPTION(5, bound_range_exceeded_entry);
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DECLARE_EXCEPTION(6, invalid_opcode_entry);
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DECLARE_EXCEPTION(7, device_not_available_entry);
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DECLARE_EXCEPTION(8, double_fault_entry);
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DECLARE_EXCEPTION(9, coprocessor_segment_overrun_entry);
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DECLARE_EXCEPTION(10, invalid_tss_entry);
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DECLARE_EXCEPTION(11, segment_not_present_entry);
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DECLARE_EXCEPTION(12, stack_segment_fault_entry);
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DECLARE_EXCEPTION(13, general_protection_entry);
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DECLARE_EXCEPTION(14, page_fault_entry);
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DECLARE_EXCEPTION(15, reserved_exception_entry);
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DECLARE_EXCEPTION(16, floating_point_error_entry);
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DECLARE_EXCEPTION(17, alignment_check_entry);
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DECLARE_EXCEPTION(18, machine_check_entry);
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DECLARE_EXCEPTION(19, simd_floating_point_exception_entry);
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DECLARE_EXCEPTION(20, reserved_exception_entry);
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DECLARE_EXCEPTION(21, reserved_exception_entry);
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DECLARE_EXCEPTION(22, reserved_exception_entry);
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DECLARE_EXCEPTION(23, reserved_exception_entry);
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DECLARE_EXCEPTION(24, reserved_exception_entry);
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DECLARE_EXCEPTION(25, reserved_exception_entry);
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DECLARE_EXCEPTION(26, reserved_exception_entry);
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DECLARE_EXCEPTION(27, reserved_exception_entry);
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DECLARE_EXCEPTION(28, reserved_exception_entry);
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DECLARE_EXCEPTION(29, reserved_exception_entry);
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DECLARE_EXCEPTION(30, reserved_exception_entry);
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DECLARE_EXCEPTION(31, reserved_exception_entry);
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__isr__ reserved_exception_entry(int cause, int ip, int seg)
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{
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printf("Reserved Exception %d at %04x:%08x\n", cause, seg, ip);
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}
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__isr__ divide_error_entry(int cause, int ip, int seg)
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{
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printf("Divide Error (Division by zero) at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ debug_entry(int cause, int ip, int seg)
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{
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printf("Debug Interrupt (Single step) at %04x:%08x\n", seg, ip);
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}
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__isr__ nmi_interrupt_entry(int cause, int ip, int seg)
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{
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printf("NMI Interrupt at %04x:%08x\n", seg, ip);
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}
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__isr__ breakpoint_entry(int cause, int ip, int seg)
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{
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printf("Breakpoint at %04x:%08x\n", seg, ip);
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}
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__isr__ overflow_entry(int cause, int ip, int seg)
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{
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printf("Overflow at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ bound_range_exceeded_entry(int cause, int ip, int seg)
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{
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printf("BOUND Range Exceeded at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ invalid_opcode_entry(int cause, int ip, int seg)
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{
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printf("Invalid Opcode (UnDefined Opcode) at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ device_not_available_entry(int cause, int ip, int seg)
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{
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printf("Device Not Available (No Math Coprocessor) at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ double_fault_entry(int cause, int ip, int seg)
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{
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printf("Double fault at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ coprocessor_segment_overrun_entry(int cause, int ip, int seg)
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{
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printf("Co-processor segment overrun at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ invalid_tss_entry(int cause, int ip, int seg)
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{
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printf("Invalid TSS at %04x:%08x\n", seg, ip);
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}
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__isr__ segment_not_present_entry(int cause, int ip, int seg)
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{
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printf("Segment Not Present at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ stack_segment_fault_entry(int cause, int ip, int seg)
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{
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printf("Stack Segment Fault at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ general_protection_entry(int cause, int ip, int seg)
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{
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printf("General Protection at %04x:%08x\n", seg, ip);
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}
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__isr__ page_fault_entry(int cause, int ip, int seg)
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{
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printf("Page fault at %04x:%08x\n", seg, ip);
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while(1);
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}
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__isr__ floating_point_error_entry(int cause, int ip, int seg)
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{
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printf("Floating-Point Error (Math Fault) at %04x:%08x\n", seg, ip);
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}
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__isr__ alignment_check_entry(int cause, int ip, int seg)
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{
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printf("Alignment check at %04x:%08x\n", seg, ip);
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}
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__isr__ machine_check_entry(int cause, int ip, int seg)
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{
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printf("Machine Check at %04x:%08x\n", seg, ip);
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}
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__isr__ simd_floating_point_exception_entry(int cause, int ip, int seg)
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{
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printf("SIMD Floating-Point Exception at %04x:%08x\n", seg, ip);
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}
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int cpu_init_exceptions(void)
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{
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/* Just in case... */
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disable_interrupts();
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/* Setup exceptions */
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set_vector(0x00, exp_0);
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set_vector(0x01, exp_1);
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set_vector(0x02, exp_2);
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set_vector(0x03, exp_3);
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set_vector(0x04, exp_4);
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set_vector(0x05, exp_5);
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set_vector(0x06, exp_6);
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set_vector(0x07, exp_7);
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set_vector(0x08, exp_8);
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set_vector(0x09, exp_9);
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set_vector(0x0a, exp_10);
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set_vector(0x0b, exp_11);
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set_vector(0x0c, exp_12);
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set_vector(0x0d, exp_13);
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set_vector(0x0e, exp_14);
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set_vector(0x0f, exp_15);
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set_vector(0x10, exp_16);
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set_vector(0x11, exp_17);
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set_vector(0x12, exp_18);
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set_vector(0x13, exp_19);
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set_vector(0x14, exp_20);
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set_vector(0x15, exp_21);
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set_vector(0x16, exp_22);
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set_vector(0x17, exp_23);
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set_vector(0x18, exp_24);
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set_vector(0x19, exp_25);
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set_vector(0x1a, exp_26);
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set_vector(0x1b, exp_27);
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set_vector(0x1c, exp_28);
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set_vector(0x1d, exp_29);
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set_vector(0x1e, exp_30);
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set_vector(0x1f, exp_31);
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/* It is now safe to enable interrupts */
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enable_interrupts();
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return 0;
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}
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