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Rev 2180 Rev 2235
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#define EXC_PREFETCH_ABORT_VEC  0xc
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#define EXC_PREFETCH_ABORT_VEC  0xc
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#define EXC_DATA_ABORT_VEC  0x10
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#define EXC_DATA_ABORT_VEC  0x10
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#define EXC_IRQ_VEC     0x18
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#define EXC_IRQ_VEC     0x18
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#define EXC_FIQ_VEC     0x1c
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#define EXC_FIQ_VEC     0x1c
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typedef struct {
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/* Exception numbers */
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#define EXC_RESET       0
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#define EXC_UNDEF_INSTR     1
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#define EXC_SWI         2
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#define EXC_PREFETCH_ABORT  3
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#define EXC_DATA_ABORT      4
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    uint32_t cpsr;
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#define EXC_IRQ         5
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    uint32_t retaddr;
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#define EXC_FIQ         6
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typedef struct {
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    uint32_t r0;
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    uint32_t r0;
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    uint32_t r1;
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    uint32_t r1;
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    uint32_t r2;
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    uint32_t r2;
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    uint32_t r3;
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    uint32_t r3;
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    uint32_t r4;
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    uint32_t r4;
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    uint32_t r11;
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    uint32_t r11;
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    uint32_t r12;
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    uint32_t r12;
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    uint32_t sp;
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    uint32_t sp;
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    uint32_t lr;
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    uint32_t lr;
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    uint32_t spsr;
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} istate_t;
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} istate_t;
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static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
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static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
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{
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{
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    istate->retaddr = retaddr;
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    istate->lr = retaddr;
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}
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}
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/** Return true if exception happened while in userspace */
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/** Return true if exception happened while in userspace */
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static inline int istate_from_uspace(istate_t *istate)
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static inline int istate_from_uspace(istate_t *istate)
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{
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{
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    return !(istate->retaddr & 0x80000000);
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    return !(istate->lr & 0x80000000);
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    return 0;
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}
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}
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static inline unative_t istate_get_pc(istate_t *istate)
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static inline unative_t istate_get_pc(istate_t *istate)
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{
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{
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    return istate->retaddr;
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    return istate->lr;
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}
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}
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extern void setup_exception_stacks(void);
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extern void install_exception_handlers(void);
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extern void install_exception_handlers(void);
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extern void exception_init(void);
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extern void exception_init(void);
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#endif
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#endif
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