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#include <func.h>
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#include <func.h>
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#include <cpu.h>
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#include <cpu.h>
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <mm/tlb.h>
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#include <mm/tlb.h>
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#include <arch.h>
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#include <arch.h>
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#include <symtab.h>
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/*
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/*
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 * Interrupt and exception dispatching.
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 * Interrupt and exception dispatching.
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 */
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 */
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void (* disable_irqs_function)(__u16 irqmask) = NULL;
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void (* disable_irqs_function)(__u16 irqmask) = NULL;
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void (* enable_irqs_function)(__u16 irqmask) = NULL;
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void (* enable_irqs_function)(__u16 irqmask) = NULL;
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void (* eoi_function)(void) = NULL;
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void (* eoi_function)(void) = NULL;
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- 
 
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#define PRINT_INFO_ERRCODE(x) { \
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    char *symbol = get_symtab_entry(stack[1]); \
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    if (!symbol) \
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        symbol = ""; \
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    printf("----------------EXCEPTION OCCURED----------------\n"); \
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    printf("%%eip: %X (%s)\n",x[1],symbol); \
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    printf("ERROR_WORD=%X\n", x[0]); \
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    printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
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    printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
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           x[-2],x[-5],x[-3],x[-4]); \
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    printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
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           x[-8],x[-9],x[-1],x); \
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    printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
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    printf("       %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
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        }
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iroutine trap_register(__u8 n, iroutine f)
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iroutine trap_register(__u8 n, iroutine f)
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{
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{
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    ASSERT(n < IVT_ITEMS);
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    ASSERT(n < IVT_ITEMS);
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    iroutine old;
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    iroutine old;
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    panic("unserviced interrupt\n");
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    panic("unserviced interrupt\n");
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}
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}
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void gp_fault(__u8 n, __native stack[])
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void gp_fault(__u8 n, __native stack[])
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{
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{
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    printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
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    printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);
 - 
 
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    printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
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    PRINT_INFO_ERRCODE(stack);
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    panic("general protection fault\n");
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    panic("general protection fault\n");
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}
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}
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void ss_fault(__u8 n, __native stack[])
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void ss_fault(__u8 n, __native stack[])
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{
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{
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    printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
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    printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);
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    printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
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    PRINT_INFO_ERRCODE(stack);
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    panic("stack fault\n");
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    panic("stack fault\n");
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}
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}
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void nm_fault(__u8 n, __native stack[])
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void nm_fault(__u8 n, __native stack[])
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void page_fault(__u8 n, __native stack[])
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void page_fault(__u8 n, __native stack[])
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{
 125 
{
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    PRINT_INFO_ERRCODE(stack);
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    printf("page fault address: %X\n", read_cr2());
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    printf("page fault address: %X\n", read_cr2());
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    printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]);
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    printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack);
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    printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]);
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    panic("page fault\n");
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    panic("page fault\n");
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}
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}
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void syscall(__u8 n, __native stack[])
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void syscall(__u8 n, __native stack[])
121 
{
 132 
{