misaligned.c File Reference

#include <stdint.h>
#include <vm.h>
#include <arch/exception.h>
#include <commonlib/helpers.h>

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Data Structures
union	endian_buf
struct	memory_instruction_info

Functions
static struct memory_instruction_info *	match_instruction (uintptr_t insn)
static int	fetch_16bit_instruction (uintptr_t vaddr, uintptr_t *insn, int *size)
static int	fetch_32bit_instruction (uintptr_t vaddr, uintptr_t *insn, int *size)
void	handle_misaligned (trapframe *tf)

Variables
static struct memory_instruction_info	insn_info []

Function Documentation

fetch_16bit_instruction()

static int fetch_16bit_instruction ( uintptr_t  vaddr, uintptr_t *  insn, int *  size  )

static

Definition at line 134 of file misaligned.c.

References EXTRACT_FIELD, and ins().

Referenced by handle_misaligned().

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fetch_32bit_instruction()

static int fetch_32bit_instruction ( uintptr_t  vaddr, uintptr_t *  insn, int *  size  )

static

Definition at line 145 of file misaligned.c.

References EXTRACT_FIELD, and ins().

Referenced by handle_misaligned().

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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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match_instruction()

static struct memory_instruction_info* match_instruction ( uintptr_t  insn )

static

Definition at line 125 of file misaligned.c.

References ARRAY_SIZE, insn_info, mask, NULL, and memory_instruction_info::opcode.

Referenced by handle_misaligned().

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Variable Documentation

insn_info

struct memory_instruction_info insn_info[]

static

Definition at line 1 of file misaligned.c.

Referenced by match_instruction().