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/*
* QEMU monitor
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "monitor/monitor.h"
#include "qemu/ctype.h"
#include "monitor/hmp-target.h"
#include "monitor/hmp.h"
static target_long monitor_get_ccr(Monitor *mon, const struct MonitorDef *md,
int val)
{
CPUArchState *env = mon_get_cpu_env(mon);
unsigned int u;
int i;
u = 0;
for (i = 0; i < 8; i++) {
u |= env->crf[i] << (32 - (4 * (i + 1)));
}
return u;
}
static target_long monitor_get_xer(Monitor *mon, const struct MonitorDef *md,
int val)
{
CPUArchState *env = mon_get_cpu_env(mon);
return cpu_read_xer(env);
}
static target_long monitor_get_decr(Monitor *mon, const struct MonitorDef *md,
int val)
{
CPUArchState *env = mon_get_cpu_env(mon);
return cpu_ppc_load_decr(env);
}
static target_long monitor_get_tbu(Monitor *mon, const struct MonitorDef *md,
int val)
{
CPUArchState *env = mon_get_cpu_env(mon);
return cpu_ppc_load_tbu(env);
}
static target_long monitor_get_tbl(Monitor *mon, const struct MonitorDef *md,
int val)
{
CPUArchState *env = mon_get_cpu_env(mon);
return cpu_ppc_load_tbl(env);
}
void hmp_info_tlb(Monitor *mon, const QDict *qdict)
{
CPUArchState *env1 = mon_get_cpu_env(mon);
if (!env1) {
monitor_printf(mon, "No CPU available\n");
return;
}
dump_mmu(env1);
}
const MonitorDef monitor_defs[] = {
{ "fpscr", offsetof(CPUPPCState, fpscr) },
/* Next instruction pointer */
{ "nip|pc", offsetof(CPUPPCState, nip) },
{ "lr", offsetof(CPUPPCState, lr) },
{ "ctr", offsetof(CPUPPCState, ctr) },
{ "decr", 0, &monitor_get_decr, },
{ "ccr|cr", 0, &monitor_get_ccr, },
/* Machine state register */
{ "xer", 0, &monitor_get_xer },
{ "msr", offsetof(CPUPPCState, msr) },
{ "tbu", 0, &monitor_get_tbu, },
{ "tbl", 0, &monitor_get_tbl, },
{ NULL },
};
const MonitorDef *target_monitor_defs(void)
{
return monitor_defs;
}
static int ppc_cpu_get_reg_num(const char *numstr, int maxnum, int *pregnum)
{
int regnum;
char *endptr = NULL;
if (!*numstr) {
return false;
}
regnum = strtoul(numstr, &endptr, 10);
if (*endptr || (regnum >= maxnum)) {
return false;
}
*pregnum = regnum;
return true;
}
int target_get_monitor_def(CPUState *cs, const char *name, uint64_t *pval)
{
int i, regnum;
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
/* General purpose registers */
if ((qemu_tolower(name[0]) == 'r') &&
ppc_cpu_get_reg_num(name + 1, ARRAY_SIZE(env->gpr), ®num)) {
*pval = env->gpr[regnum];
return 0;
}
/* Floating point registers */
if ((qemu_tolower(name[0]) == 'f') &&
ppc_cpu_get_reg_num(name + 1, 32, ®num)) {
*pval = *cpu_fpr_ptr(env, regnum);
return 0;
}
/* Special purpose registers */
for (i = 0; i < ARRAY_SIZE(env->spr_cb); ++i) {
ppc_spr_t *spr = &env->spr_cb[i];
if (spr->name && (strcasecmp(name, spr->name) == 0)) {
*pval = env->spr[i];
return 0;
}
}
/* Segment registers */
#if !defined(CONFIG_USER_ONLY)
if ((strncasecmp(name, "sr", 2) == 0) &&
ppc_cpu_get_reg_num(name + 2, ARRAY_SIZE(env->sr), ®num)) {
*pval = env->sr[regnum];
return 0;
}
#endif
return -EINVAL;
}
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