static int cmd_set(cproc_t cp, char **arg)
{
device_t dev = cproc_device(cp);
stab_t stab = cproc_stab(cp);
char *reg_text = get_arg(arg);
char *val_text = get_arg(arg);
int reg;
int value = 0;
uint16_t regs[DEVICE_NUM_REGS];
if (!(reg_text && val_text)) {
fprintf(stderr, "set: must specify a register and a value\n");
return -1;
}
reg = dis_reg_from_name(reg_text);
if (reg < 0) {
fprintf(stderr, "set: unknown register: %s\n", reg_text);
return -1;
}
if (expr_eval(stab, val_text, &value) < 0) {
fprintf(stderr, "set: can't parse value: %s\n", val_text);
return -1;
}
if (dev->getregs(dev, regs) < 0)
return -1;
regs[reg] = value;
if (dev->setregs(dev, regs) < 0)
return -1;
cproc_regs(cp, regs);
return 0;
}
int cmd_set(char **arg)
{
char *reg_text = get_arg(arg);
char *val_text = get_arg(arg);
int reg;
address_t value = 0;
address_t regs[DEVICE_NUM_REGS];
if (!(reg_text && val_text)) {
printc_err("set: must specify a register and a value\n");
return -1;
}
reg = dis_reg_from_name(reg_text);
if (reg < 0) {
printc_err("set: unknown register: %s\n", reg_text);
return -1;
}
if (expr_eval(val_text, &value) < 0) {
printc_err("set: can't parse value: %s\n", val_text);
return -1;
}
if (device_getregs(regs) < 0)
return -1;
regs[reg] = value;
if (device_setregs(regs) < 0)
return -1;
show_regs(regs);
return 0;
}
static int isearch_reg(const char *term, char **arg,
struct isearch_query *q)
{
int which = toupper(*term) == 'S' ?
ISEARCH_SRC_REG : ISEARCH_DST_REG;
const char *reg_text;
int reg;
if (q->flags & which) {
printc_err("isearch: register already specified\n");
return -1;
}
reg_text = get_arg(arg);
if (!reg_text) {
printc_err("isearch: register expected\n");
return -1;
}
reg = dis_reg_from_name(reg_text);
if (reg < 0) {
printc_err("isearch: unknown register: %s\n",
reg_text);
return -1;
}
q->flags |= which;
if (which == ISEARCH_SRC_REG)
q->insn.src_reg = reg;
else
q->insn.dst_reg = reg;
return 0;
}
