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-rw-r--r--target/ppc/monitor.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/target/ppc/monitor.c b/target/ppc/monitor.c
new file mode 100644
index 0000000000..c2d0806dd1
--- /dev/null
+++ b/target/ppc/monitor.c
@@ -0,0 +1,147 @@
+/*
+ * 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 "monitor/hmp-target.h"
+#include "hmp.h"
+
+static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
+{
+ CPUArchState *env = mon_get_cpu_env();
+ 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_decr (const struct MonitorDef *md, int val)
+{
+ CPUArchState *env = mon_get_cpu_env();
+ return cpu_ppc_load_decr(env);
+}
+
+static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
+{
+ CPUArchState *env = mon_get_cpu_env();
+ return cpu_ppc_load_tbu(env);
+}
+
+static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
+{
+ CPUArchState *env = mon_get_cpu_env();
+ return cpu_ppc_load_tbl(env);
+}
+
+void hmp_info_tlb(Monitor *mon, const QDict *qdict)
+{
+ CPUArchState *env1 = mon_get_cpu_env();
+
+ dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, 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", offsetof(CPUPPCState, 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 ((tolower(name[0]) == 'r') &&
+ ppc_cpu_get_reg_num(name + 1, ARRAY_SIZE(env->gpr), &regnum)) {
+ *pval = env->gpr[regnum];
+ return 0;
+ }
+
+ /* Floating point registers */
+ if ((tolower(name[0]) == 'f') &&
+ ppc_cpu_get_reg_num(name + 1, ARRAY_SIZE(env->fpr), &regnum)) {
+ *pval = env->fpr[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), &regnum)) {
+ *pval = env->sr[regnum];
+ return 0;
+ }
+#endif
+
+ return -EINVAL;
+}