exception.h File Reference

#include <stdint.h>

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Data Structures
struct	trapframe
struct	insn_fetch_t

Typedefs
typedef uint32_t	insn_t

Functions
static void	exception_init (void)
void	redirect_trap (void)
void	trap_handler (trapframe *tf)
void	handle_supervisor_call (trapframe *tf)
void	handle_misaligned (trapframe *tf)

Typedef Documentation

insn_t

typedef uint32_t insn_t

Definition at line 17 of file exception.h.

Function Documentation

exception_init()

static void exception_init ( void  )

inlinestatic

Definition at line 24 of file exception.h.

handle_misaligned()

void handle_misaligned

(

trapframe *

tf

)

Definition at line 159 of file misaligned.c.

References addr, endian_buf::b, trapframe::badvaddr, endian_buf::d, trapframe::epc, fetch_16bit_instruction(), fetch_32bit_instruction(), trapframe::gpr, memory_instruction_info::is_fp, memory_instruction_info::is_load, match_instruction(), redirect_trap(), memory_instruction_info::reg_addition, memory_instruction_info::reg_mask, memory_instruction_info::reg_shift, memory_instruction_info::sign_extend, endian_buf::v, endian_buf::w, and memory_instruction_info::width.

Referenced by trap_handler().

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handle_supervisor_call()

void handle_supervisor_call

(

trapframe *

tf

)

redirect_trap()

void redirect_trap

(

void

)

Definition at line 151 of file trap_handler.c.

References EXTRACT_FIELD, INSERT_FIELD, MSTATUS_MPP, and MSTATUS_SPP.

Referenced by handle_misaligned().

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trap_handler()

void trap_handler

(

trapframe *

tf

)

Definition at line 111 of file trap_handler.c.

References BIOS_EMERG, trapframe::cause, CAUSE_BREAKPOINT, CAUSE_FETCH_ACCESS, CAUSE_HYPERVISOR_ECALL, CAUSE_ILLEGAL_INSTRUCTION, CAUSE_LOAD_ACCESS, CAUSE_MACHINE_ECALL, CAUSE_MISALIGNED_FETCH, CAUSE_MISALIGNED_LOAD, CAUSE_MISALIGNED_STORE, CAUSE_STORE_ACCESS, CAUSE_SUPERVISOR_ECALL, CAUSE_USER_ECALL, die(), handle_misaligned(), handle_sbi(), interrupt_handler(), print_trap_information(), and printk.

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