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monitor: implement x86 info mem for PAE and long modes 

'info mem' didn't show correct information for PAE mode and
x86_64 long mode.

Fix by implementing the output for missing modes.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-12-11 18:56:27 +00:00
parent d65aaf3773
commit 1b3cba6e91
1 changed files with 164 additions and 12 deletions
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176
monitor.c
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@ -2027,14 +2027,16 @@ static void tlb_info(Monitor *mon)
}
}
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
uint32_t end, int prot)
static void mem_print(Monitor *mon, target_phys_addr_t *pstart,
int *plast_prot,
target_phys_addr_t end, int prot)
{
int prot1;
prot1 = *plast_prot;
if (prot != prot1) {
if (*pstart != -1) {
monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
TARGET_FMT_plx " %c%c%c\n",
*pstart, end, end - *pstart,
prot1 & PG_USER_MASK ? 'u' : '-',
'r',
@ -2048,18 +2050,12 @@ static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
}
}
static void mem_info(Monitor *mon)
static void mem_info_32(Monitor *mon, CPUState *env)
{
CPUState *env;
int l1, l2, prot, last_prot;
uint32_t pgd, pde, pte, start, end;
uint32_t pgd, pde, pte;
target_phys_addr_t start, end;
env = mon_get_cpu();
if (!(env->cr[0] & CR0_PG_MASK)) {
monitor_printf(mon, "PG disabled\n");
return;
}
pgd = env->cr[3] & ~0xfff;
last_prot = 0;
start = -1;
@ -2091,6 +2087,162 @@ static void mem_info(Monitor *mon)
}
}
}
static void mem_info_pae32(Monitor *mon, CPUState *env)
{
int l1, l2, l3, prot, last_prot;
uint64_t pdpe, pde, pte;
uint64_t pdp_addr, pd_addr, pt_addr;
target_phys_addr_t start, end;
pdp_addr = env->cr[3] & ~0x1f;
last_prot = 0;
start = -1;
for (l1 = 0; l1 < 4; l1++) {
cpu_physical_memory_read(pdp_addr + l1 * 8, (uint8_t *)&pdpe, 8);
pdpe = le64_to_cpu(pdpe);
end = l1 << 30;
if (pdpe & PG_PRESENT_MASK) {
pd_addr = pdpe & 0x3fffffffff000ULL;
for (l2 = 0; l2 < 512; l2++) {
cpu_physical_memory_read(pd_addr + l2 * 8,
(uint8_t *)&pde, 8);
pde = le64_to_cpu(pde);
end = (l1 << 30) + (l2 << 21);
if (pde & PG_PRESENT_MASK) {
if (pde & PG_PSE_MASK) {
prot = pde & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
mem_print(mon, &start, &last_prot, end, prot);
} else {
pt_addr = pde & 0x3fffffffff000ULL;
for (l3 = 0; l3 < 512; l3++) {
cpu_physical_memory_read(pt_addr + l3 * 8,
(uint8_t *)&pte, 8);
pte = le64_to_cpu(pte);
end = (l1 << 30) + (l2 << 21) + (l3 << 12);
if (pte & PG_PRESENT_MASK) {
prot = pte & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
} else {
prot = 0;
}
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
}
#ifdef TARGET_X86_64
static void mem_info_64(Monitor *mon, CPUState *env)
{
int prot, last_prot;
uint64_t l1, l2, l3, l4;
uint64_t pml4e, pdpe, pde, pte;
uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr, start, end;
pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
last_prot = 0;
start = -1;
for (l1 = 0; l1 < 512; l1++) {
cpu_physical_memory_read(pml4_addr + l1 * 8, (uint8_t *)&pml4e, 8);
pml4e = le64_to_cpu(pml4e);
end = l1 << 39;
if (pml4e & PG_PRESENT_MASK) {
pdp_addr = pml4e & 0x3fffffffff000ULL;
for (l2 = 0; l2 < 512; l2++) {
cpu_physical_memory_read(pdp_addr + l2 * 8, (uint8_t *)&pdpe,
8);
pdpe = le64_to_cpu(pdpe);
end = (l1 << 39) + (l2 << 30);
if (pdpe & PG_PRESENT_MASK) {
if (pdpe & PG_PSE_MASK) {
prot = pde & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
mem_print(mon, &start, &last_prot, end, prot);
} else {
pd_addr = pdpe & 0x3fffffffff000ULL;
for (l3 = 0; l3 < 512; l3++) {
cpu_physical_memory_read(pd_addr + l3 * 8,
(uint8_t *)&pde, 8);
pde = le64_to_cpu(pde);
end = (l1 << 39) + (l2 << 30) + (l3 << 21);
if (pde & PG_PRESENT_MASK) {
if (pde & PG_PSE_MASK) {
prot = pde & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
mem_print(mon, &start, &last_prot, end, prot);
} else {
pt_addr = pde & 0x3fffffffff000ULL;
for (l4 = 0; l4 < 512; l4++) {
cpu_physical_memory_read(pt_addr
+ l4 * 8,
(uint8_t *)&pte,
8);
pte = le64_to_cpu(pte);
end = (l1 << 39) + (l2 << 30) +
(l3 << 21) + (l4 << 12);
if (pte & PG_PRESENT_MASK) {
prot = pte & (PG_USER_MASK | PG_RW_MASK |
PG_PRESENT_MASK);
} else {
prot = 0;
}
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
} else {
prot = 0;
mem_print(mon, &start, &last_prot, end, prot);
}
}
}
#endif
static void mem_info(Monitor *mon)
{
CPUState *env;
env = mon_get_cpu();
if (!(env->cr[0] & CR0_PG_MASK)) {
monitor_printf(mon, "PG disabled\n");
return;
}
if (env->cr[4] & CR4_PAE_MASK) {
#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK) {
mem_info_64(mon, env);
} else
#endif
{
mem_info_pae32(mon, env);
}
} else {
mem_info_32(mon, env);
}
}
#endif
#if defined(TARGET_SH4)