diff options
Diffstat (limited to 'cpu/i386/exceptions.c')
-rw-r--r-- | cpu/i386/exceptions.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/cpu/i386/exceptions.c b/cpu/i386/exceptions.c deleted file mode 100644 index bc3d434..0000000 --- a/cpu/i386/exceptions.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * (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 - */ - -#include <common.h> -#include <asm/interrupt.h> - -asm (".globl exp_return\n" - "exp_return:\n" - " addl $12, %esp\n" - " pop %esp\n" - " popa\n" - " iret\n"); - -char exception_stack[4096]; - -/* - * For detailed description of each exception, refer to: - * Intel® 64 and IA-32 Architectures Software Developer's Manual - * Volume 1: Basic Architecture - * Order Number: 253665-029US, November 2008 - * Table 6-1. Exceptions and Interrupts - */ -DECLARE_EXCEPTION(0, divide_error_entry); -DECLARE_EXCEPTION(1, debug_entry); -DECLARE_EXCEPTION(2, nmi_interrupt_entry); -DECLARE_EXCEPTION(3, breakpoint_entry); -DECLARE_EXCEPTION(4, overflow_entry); -DECLARE_EXCEPTION(5, bound_range_exceeded_entry); -DECLARE_EXCEPTION(6, invalid_opcode_entry); -DECLARE_EXCEPTION(7, device_not_available_entry); -DECLARE_EXCEPTION(8, double_fault_entry); -DECLARE_EXCEPTION(9, coprocessor_segment_overrun_entry); -DECLARE_EXCEPTION(10, invalid_tss_entry); -DECLARE_EXCEPTION(11, segment_not_present_entry); -DECLARE_EXCEPTION(12, stack_segment_fault_entry); -DECLARE_EXCEPTION(13, general_protection_entry); -DECLARE_EXCEPTION(14, page_fault_entry); -DECLARE_EXCEPTION(15, reserved_exception_entry); -DECLARE_EXCEPTION(16, floating_point_error_entry); -DECLARE_EXCEPTION(17, alignment_check_entry); -DECLARE_EXCEPTION(18, machine_check_entry); -DECLARE_EXCEPTION(19, simd_floating_point_exception_entry); -DECLARE_EXCEPTION(20, reserved_exception_entry); -DECLARE_EXCEPTION(21, reserved_exception_entry); -DECLARE_EXCEPTION(22, reserved_exception_entry); -DECLARE_EXCEPTION(23, reserved_exception_entry); -DECLARE_EXCEPTION(24, reserved_exception_entry); -DECLARE_EXCEPTION(25, reserved_exception_entry); -DECLARE_EXCEPTION(26, reserved_exception_entry); -DECLARE_EXCEPTION(27, reserved_exception_entry); -DECLARE_EXCEPTION(28, reserved_exception_entry); -DECLARE_EXCEPTION(29, reserved_exception_entry); -DECLARE_EXCEPTION(30, reserved_exception_entry); -DECLARE_EXCEPTION(31, reserved_exception_entry); - -__isr__ reserved_exception_entry(int cause, int ip, int seg) -{ - printf("Reserved Exception %d at %04x:%08x\n", cause, seg, ip); -} - -__isr__ divide_error_entry(int cause, int ip, int seg) -{ - printf("Divide Error (Division by zero) at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ debug_entry(int cause, int ip, int seg) -{ - printf("Debug Interrupt (Single step) at %04x:%08x\n", seg, ip); -} - -__isr__ nmi_interrupt_entry(int cause, int ip, int seg) -{ - printf("NMI Interrupt at %04x:%08x\n", seg, ip); -} - -__isr__ breakpoint_entry(int cause, int ip, int seg) -{ - printf("Breakpoint at %04x:%08x\n", seg, ip); -} - -__isr__ overflow_entry(int cause, int ip, int seg) -{ - printf("Overflow at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ bound_range_exceeded_entry(int cause, int ip, int seg) -{ - printf("BOUND Range Exceeded at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ invalid_opcode_entry(int cause, int ip, int seg) -{ - printf("Invalid Opcode (UnDefined Opcode) at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ device_not_available_entry(int cause, int ip, int seg) -{ - printf("Device Not Available (No Math Coprocessor) at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ double_fault_entry(int cause, int ip, int seg) -{ - printf("Double fault at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ coprocessor_segment_overrun_entry(int cause, int ip, int seg) -{ - printf("Co-processor segment overrun at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ invalid_tss_entry(int cause, int ip, int seg) -{ - printf("Invalid TSS at %04x:%08x\n", seg, ip); -} - -__isr__ segment_not_present_entry(int cause, int ip, int seg) -{ - printf("Segment Not Present at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ stack_segment_fault_entry(int cause, int ip, int seg) -{ - printf("Stack Segment Fault at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ general_protection_entry(int cause, int ip, int seg) -{ - printf("General Protection at %04x:%08x\n", seg, ip); -} - -__isr__ page_fault_entry(int cause, int ip, int seg) -{ - printf("Page fault at %04x:%08x\n", seg, ip); - while(1); -} - -__isr__ floating_point_error_entry(int cause, int ip, int seg) -{ - printf("Floating-Point Error (Math Fault) at %04x:%08x\n", seg, ip); -} - -__isr__ alignment_check_entry(int cause, int ip, int seg) -{ - printf("Alignment check at %04x:%08x\n", seg, ip); -} - -__isr__ machine_check_entry(int cause, int ip, int seg) -{ - printf("Machine Check at %04x:%08x\n", seg, ip); -} - -__isr__ simd_floating_point_exception_entry(int cause, int ip, int seg) -{ - printf("SIMD Floating-Point Exception at %04x:%08x\n", seg, ip); -} - -int cpu_init_exceptions(void) -{ - /* Just in case... */ - disable_interrupts(); - - /* Setup exceptions */ - set_vector(0x00, exp_0); - set_vector(0x01, exp_1); - set_vector(0x02, exp_2); - set_vector(0x03, exp_3); - set_vector(0x04, exp_4); - set_vector(0x05, exp_5); - set_vector(0x06, exp_6); - set_vector(0x07, exp_7); - set_vector(0x08, exp_8); - set_vector(0x09, exp_9); - set_vector(0x0a, exp_10); - set_vector(0x0b, exp_11); - set_vector(0x0c, exp_12); - set_vector(0x0d, exp_13); - set_vector(0x0e, exp_14); - set_vector(0x0f, exp_15); - set_vector(0x10, exp_16); - set_vector(0x11, exp_17); - set_vector(0x12, exp_18); - set_vector(0x13, exp_19); - set_vector(0x14, exp_20); - set_vector(0x15, exp_21); - set_vector(0x16, exp_22); - set_vector(0x17, exp_23); - set_vector(0x18, exp_24); - set_vector(0x19, exp_25); - set_vector(0x1a, exp_26); - set_vector(0x1b, exp_27); - set_vector(0x1c, exp_28); - set_vector(0x1d, exp_29); - set_vector(0x1e, exp_30); - set_vector(0x1f, exp_31); - - /* It is now safe to enable interrupts */ - enable_interrupts(); - - return 0; -} |