static int or1k_save_context(struct target *target)
{
struct or1k_common *or1k = target_to_or1k(target);
struct or1k_du *du_core = or1k_to_du(or1k);
int regs_read = 0;
int retval;
LOG_DEBUG("-");
for (int i = 0; i < OR1KNUMCOREREGS; i++) {
if (!or1k->core_cache->reg_list[i].valid) {
if (i == OR1K_REG_PPC || i == OR1K_REG_NPC || i == OR1K_REG_SR) {
retval = du_core->or1k_jtag_read_cpu(&or1k->jtag,
or1k->arch_info[i].spr_num, 1,
&or1k->core_regs[i]);
if (retval != ERROR_OK)
return retval;
} else if (!regs_read) {
/* read gpr registers at once (but only one time in this loop) */
retval = or1k_jtag_read_regs(or1k, or1k->core_regs);
if (retval != ERROR_OK)
return retval;
/* prevent next reads in this loop */
regs_read = 1;
}
/* We've just updated the core_reg[i], now update
the core cache */
or1k_read_core_reg(target, i);
}
}
return ERROR_OK;
}
int or1k_save_context(struct target *target)
{
LOG_DEBUG(" - ");
int retval, i, regs_read = 0;
struct or1k_common *or1k = target_to_or1k(target);
for (i = 0; i < OR1KNUMCOREREGS; i++)
{
if (!regs_read && !or1k->core_cache->reg_list[i].valid)
{
/* read all registers at once (but only one time in this loop) */
retval = or1k_jtag_read_regs(&or1k->jtag, or1k->core_regs);
if (retval != ERROR_OK)
return retval;
/* prevent next reads in this loop */
regs_read = 1;
}
if (!or1k->core_cache->reg_list[i].valid) {
/* We've just updated the core_reg[i], now update
the core cache */
or1k_read_core_reg(target, i);
}
}
return ERROR_OK;
}
