C++ (Cpp) put16t_unaligned_check Exemples

Exemple #1

Fichier : alignment.c Projet : Picture-Elements/linux-2.4-peijse

static int
do_alignment_ldrhstrh(unsigned long addr, unsigned long instr, struct pt_regs *regs)
{
	unsigned int rd = RD_BITS(instr);

	if ((instr & 0x01f00ff0) == 0x01000090)
		goto swp;

	if ((instr & 0x90) != 0x90 || (instr & 0x60) == 0)
		goto bad;

	ai_half += 1;

	if (user_mode(regs))
		goto user;

	if (LDST_L_BIT(instr)) {
		unsigned long val;
		get16_unaligned_check(val, addr);

		/* signed half-word? */
		if (instr & 0x40)
			val = (signed long)((signed short) val);

		regs->uregs[rd] = val;
	} else
		put16_unaligned_check(regs->uregs[rd], addr);

	return TYPE_LDST;

 user:
 	if (LDST_L_BIT(instr)) {
 		unsigned long val;
 		get16t_unaligned_check(val, addr);

 		/* signed half-word? */
 		if (instr & 0x40)
 			val = (signed long)((signed short) val);

 		regs->uregs[rd] = val;
 	} else
 		put16t_unaligned_check(regs->uregs[rd], addr);

 	return TYPE_LDST;

 swp:
	printk(KERN_ERR "Alignment trap: not handling swp instruction\n");
 bad:
	return TYPE_ERROR;

 fault:
	return TYPE_FAULT;
}

Exemple #2

Fichier : alignment.c Projet : 0-T-0/ps4-linux

static int
do_alignment_ldrhstrh(unsigned long addr, unsigned long instr, struct pt_regs *regs)
{
	unsigned int rd = RD_BITS(instr);

	ai_half += 1;

	if (user_mode(regs))
		goto user;

	if (LDST_L_BIT(instr)) {
		unsigned long val;
		get16_unaligned_check(val, addr);

		/* signed half-word? */
		if (instr & 0x40)
			val = (signed long)((signed short) val);

		regs->uregs[rd] = val;
	} else
		put16_unaligned_check(regs->uregs[rd], addr);

	return TYPE_LDST;

 user:
	if (LDST_L_BIT(instr)) {
		unsigned long val;
		unsigned int __ua_flags = uaccess_save_and_enable();

		get16t_unaligned_check(val, addr);
		uaccess_restore(__ua_flags);

		/* signed half-word? */
		if (instr & 0x40)
			val = (signed long)((signed short) val);

		regs->uregs[rd] = val;
	} else {
		unsigned int __ua_flags = uaccess_save_and_enable();
		put16t_unaligned_check(regs->uregs[rd], addr);
		uaccess_restore(__ua_flags);
	}

	return TYPE_LDST;

 fault:
	return TYPE_FAULT;
}

Exemple #3

static int
do_alignment_ldrhstrh(unsigned long addr, unsigned long instr, struct pt_regs *regs)
{
	unsigned int rd = RD_BITS(instr);

	ai_half += 1;

	if (user_mode(regs))
		goto user;

	if (LDST_L_BIT(instr)) {
		unsigned long val;
		get16_unaligned_check(val, addr);

		
		if (instr & 0x40)
			val = (signed long)((signed short) val);

		regs->uregs[rd] = val;
	} else
		put16_unaligned_check(regs->uregs[rd], addr);

	return TYPE_LDST;

 user:
	if (LDST_L_BIT(instr)) {
		unsigned long val;
		get16t_unaligned_check(val, addr);

		
		if (instr & 0x40)
			val = (signed long)((signed short) val);

		regs->uregs[rd] = val;
	} else
		put16t_unaligned_check(regs->uregs[rd], addr);

	return TYPE_LDST;

 fault:
	return TYPE_FAULT;
}