diff options
Diffstat (limited to 'target/ppc/monitor.c')
-rw-r--r-- | target/ppc/monitor.c | 147 |
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), ®num)) { + *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), ®num)) { + *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), ®num)) { + *pval = env->sr[regnum]; + return 0; + } +#endif + + return -EINVAL; +} |