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#define KERN_arm32_EXCEPTION_H_
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#define KERN_arm32_EXCEPTION_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#include <arch/regutils.h>
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#include <arch/regutils.h>
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/** If defined, macro forces using of high exception vectors. */
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/** If defined, forces using of high exception vectors. */
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#define HIGH_EXCEPTION_VECTORS
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#define HIGH_EXCEPTION_VECTORS
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#ifdef HIGH_EXCEPTION_VECTORS
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#ifdef HIGH_EXCEPTION_VECTORS
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    #define EXC_BASE_ADDRESS    0xffff0000
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    #define EXC_BASE_ADDRESS    0xffff0000
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#else
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#else
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 * before switching to thread's kernel stack.
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 * before switching to thread's kernel stack.
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 */
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 */
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extern uintptr_t exc_stack;
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extern uintptr_t exc_stack;
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/** Structure representing CPU state saved when an exception occurs. */
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/** Struct representing CPU state saved when an exception occurs. */
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typedef struct {
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typedef struct {
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    uint32_t spsr;
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    uint32_t spsr;
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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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{
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{
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    return istate->pc;
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    return istate->pc;
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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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extern void print_istate(istate_t *istate);
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extern void print_istate(istate_t *istate);
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