0,0 → 1,131 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#include <arch/interrupt.h> |
#include <print.h> |
#include <debug.h> |
#include <panic.h> |
#include <arch/i8259.h> |
#include <func.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <arch.h> |
#include <symtab.h> |
#include <arch/asm.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
|
void print_info_errcode(int n, istate_t *istate) |
{ |
char *symbol; |
/* __u64 *x = &istate->stack[0]; */ |
|
if (!(symbol=get_symtab_entry(istate->rip))) |
symbol = ""; |
|
printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__); |
printf("%%rip: %Q (%s)\n",istate->rip, symbol); |
printf("ERROR_WORD=%Q\n", istate->error_word); |
printf("%%rcs=%Q, flags=%Q, %%cr0=%Q\n", istate->cs, istate->rflags,read_cr0()); |
printf("%%rax=%Q, %%rcx=%Q, %%rdx=%Q\n",istate->rax,istate->rcx,istate->rdx); |
printf("%%rsi=%Q, %%rdi=%Q, %%r8 =%Q\n",istate->rsi,istate->rdi,istate->r8); |
printf("%%r9 =%Q, %%r10 =%Q, %%r11=%Q\n",istate->r9,istate->r10,istate->r11); |
#ifdef CONFIG_DEBUG_ALLREGS |
printf("%%r12=%Q, %%r13=%Q, %%r14=%Q\n",istate->r12,istate->r13,istate->r14); |
printf("%%r15=%Q, %%rbx=%Q, %%rbp=%Q\n",istate->r15,istate->rbx,&istate->rbp); |
#endif |
printf("%%rsp=%Q\n",&istate->stack[0]); |
} |
|
/* |
* Interrupt and exception dispatching. |
*/ |
|
void (* disable_irqs_function)(__u16 irqmask) = NULL; |
void (* enable_irqs_function)(__u16 irqmask) = NULL; |
void (* eoi_function)(void) = NULL; |
|
void null_interrupt(int n, istate_t *istate) |
{ |
print_info_errcode(n, istate); |
panic("unserviced interrupt\n"); |
} |
|
void gp_fault(int n, istate_t *istate) |
{ |
print_info_errcode(n, istate); |
panic("general protection fault\n"); |
} |
|
void ss_fault(int n, istate_t *istate) |
{ |
print_info_errcode(n, istate); |
panic("stack fault\n"); |
} |
|
void nm_fault(int n, istate_t *istate) |
{ |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
panic("fpu fault"); |
#endif |
} |
|
void tlb_shootdown_ipi(int n, istate_t *istate) |
{ |
trap_virtual_eoi(); |
tlb_shootdown_ipi_recv(); |
} |
|
void trap_virtual_enable_irqs(__u16 irqmask) |
{ |
if (enable_irqs_function) |
enable_irqs_function(irqmask); |
else |
panic("no enable_irqs_function\n"); |
} |
|
void trap_virtual_disable_irqs(__u16 irqmask) |
{ |
if (disable_irqs_function) |
disable_irqs_function(irqmask); |
else |
panic("no disable_irqs_function\n"); |
} |
|
void trap_virtual_eoi(void) |
{ |
if (eoi_function) |
eoi_function(); |
else |
panic("no eoi_function\n"); |
|
} |