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ppc: booke206: add "info tlb" support 

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Scott Wood 2011-08-18 10:38:42 +00:00 committed by Alexander Graf
parent 93dd5e852c
commit bebabbc7aa
4 changed files with 94 additions and 3 deletions
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2
hmp-commands.hx
View File

@ -1306,7 +1306,7 @@ show i8259 (PIC) state
@item info pci
show emulated PCI device info
@item info tlb
show virtual to physical memory mappings (i386, SH4 and SPARC only)
show virtual to physical memory mappings (i386, SH4, SPARC, and PPC only)
@item info mem
show the active virtual memory mappings (i386 only)
@item info jit

5
monitor.c
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@ -2462,7 +2462,7 @@ static void tlb_info(Monitor *mon)
#endif
#if defined(TARGET_SPARC)
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
static void tlb_info(Monitor *mon)
{
CPUState *env1 = mon_get_cpu();
@ -2965,7 +2965,8 @@ static const mon_cmd_t info_cmds[] = {
.user_print = do_pci_info_print,
.mhandler.info_new = do_pci_info,
},
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC)
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
defined(TARGET_PPC)
{
.name = "tlb",
.args_type = "",

2
target-ppc/cpu.h
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@ -2045,4 +2045,6 @@ static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
env->nip = tb->pc;
}
void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env);
#endif /* !defined (__CPU_PPC_H__) */

88
target-ppc/helper.c
View File

@ -1465,6 +1465,94 @@ found_tlb:
return ret;
}
static const char *book3e_tsize_to_str[32] = {
"1K", "2K", "4K", "8K", "16K", "32K", "64K", "128K", "256K", "512K",
"1M", "2M", "4M", "8M", "16M", "32M", "64M", "128M", "256M", "512M",
"1G", "2G", "4G", "8G", "16G", "32G", "64G", "128G", "256G", "512G",
"1T", "2T"
};
static void mmubooke206_dump_one_tlb(FILE *f, fprintf_function cpu_fprintf,
CPUState *env, int tlbn, int offset,
int tlbsize)
{
ppcmas_tlb_t *entry;
int i;
cpu_fprintf(f, "\nTLB%d:\n", tlbn);
cpu_fprintf(f, "Effective Physical Size TID TS SRWX URWX WIMGE U0123\n");
entry = &env->tlb.tlbm[offset];
for (i = 0; i < tlbsize; i++, entry++) {
target_phys_addr_t ea, pa, size;
int tsize;
if (!(entry->mas1 & MAS1_VALID)) {
continue;
}
tsize = (entry->mas1 & MAS1_TSIZE_MASK) >> MAS1_TSIZE_SHIFT;
size = 1024ULL << tsize;
ea = entry->mas2 & ~(size - 1);
pa = entry->mas7_3 & ~(size - 1);
cpu_fprintf(f, "0x%016" PRIx64 " 0x%016" PRIx64 " %4s %-5u %1u S%c%c%c U%c%c%c %c%c%c%c%c U%c%c%c%c\n",
(uint64_t)ea, (uint64_t)pa,
book3e_tsize_to_str[tsize],
(entry->mas1 & MAS1_TID_MASK) >> MAS1_TID_SHIFT,
(entry->mas1 & MAS1_TS) >> MAS1_TS_SHIFT,
entry->mas7_3 & MAS3_SR ? 'R' : '-',
entry->mas7_3 & MAS3_SW ? 'W' : '-',
entry->mas7_3 & MAS3_SX ? 'X' : '-',
entry->mas7_3 & MAS3_UR ? 'R' : '-',
entry->mas7_3 & MAS3_UW ? 'W' : '-',
entry->mas7_3 & MAS3_UX ? 'X' : '-',
entry->mas2 & MAS2_W ? 'W' : '-',
entry->mas2 & MAS2_I ? 'I' : '-',
entry->mas2 & MAS2_M ? 'M' : '-',
entry->mas2 & MAS2_G ? 'G' : '-',
entry->mas2 & MAS2_E ? 'E' : '-',
entry->mas7_3 & MAS3_U0 ? '0' : '-',
entry->mas7_3 & MAS3_U1 ? '1' : '-',
entry->mas7_3 & MAS3_U2 ? '2' : '-',
entry->mas7_3 & MAS3_U3 ? '3' : '-');
}
}
static void mmubooke206_dump_mmu(FILE *f, fprintf_function cpu_fprintf,
CPUState *env)
{
int offset = 0;
int i;
if (kvm_enabled() && !env->kvm_sw_tlb) {
cpu_fprintf(f, "Cannot access KVM TLB\n");
return;
}
for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
int size = booke206_tlb_size(env, i);
if (size == 0) {
continue;
}
mmubooke206_dump_one_tlb(f, cpu_fprintf, env, i, offset, size);
offset += size;
}
}
void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
{
switch (env->mmu_model) {
case POWERPC_MMU_BOOKE206:
mmubooke206_dump_mmu(f, cpu_fprintf, env);
break;
default:
cpu_fprintf(f, "%s: unimplemented\n", __func__);
}
}
static inline int check_physical(CPUState *env, mmu_ctx_t *ctx,
target_ulong eaddr, int rw)
{