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  • kernel/arch/amd64/include/interrupt.h

    rc0e9f3f r598f90e  
    3737
    3838#include <typedefs.h>
     39#include <arch/istate.h>
    3940#include <arch/pm.h>
    40 #include <trace.h>
    4141
    4242#define IVT_ITEMS  IDT_ITEMS
    … …  
    7171#define VECTOR_DEBUG_IPI          (IVT_FREEBASE + 2)
    7272
    73 /** This is passed to interrupt handlers */
    74 typedef struct istate {
    75         uint64_t rax;
    76         uint64_t rbx;
    77         uint64_t rcx;
    78         uint64_t rdx;
    79         uint64_t rsi;
    80         uint64_t rdi;
    81         uint64_t rbp;
    82         uint64_t r8;
    83         uint64_t r9;
    84         uint64_t r10;
    85         uint64_t r11;
    86         uint64_t r12;
    87         uint64_t r13;
    88         uint64_t r14;
    89         uint64_t r15;
    90         uint64_t alignment;     /* align rbp_frame on multiple of 16 */
    91         uint64_t rbp_frame;     /* imitation of frame pointer linkage */
    92         uint64_t rip_frame;     /* imitation of return address linkage */
    93         uint64_t error_word;    /* real or fake error word */
    94         uint64_t rip;
    95         uint64_t cs;
    96         uint64_t rflags;
    97         uint64_t rsp;           /* only if istate_t is from uspace */
    98         uint64_t ss;            /* only if istate_t is from uspace */
    99 } istate_t;
    100 
    101 /** Return true if exception happened while in userspace */
    102 NO_TRACE static inline int istate_from_uspace(istate_t *istate)
    103 {
    104         return !(istate->rip & 0x8000000000000000);
    105 }
    106 
    107 NO_TRACE static inline void istate_set_retaddr(istate_t *istate,
    108     uintptr_t retaddr)
    109 {
    110         istate->rip = retaddr;
    111 }
    112 
    113 NO_TRACE static inline unative_t istate_get_pc(istate_t *istate)
    114 {
    115         return istate->rip;
    116 }
    117 
    118 NO_TRACE static inline unative_t istate_get_fp(istate_t *istate)
    119 {
    120         return istate->rbp;
    121 }
    122 
    12373extern void (* disable_irqs_function)(uint16_t);
    12474extern void (* enable_irqs_function)(uint16_t);
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