static int
_arm_minidump_kvatop(kvm_t *kd, kvaddr_t va, off_t *pa)
{
struct vmstate *vm;
arm_pt_entry_t pte;
arm_physaddr_t offset, a;
kvaddr_t pteindex;
off_t ofs;
arm_pt_entry_t *ptemap;
if (ISALIVE(kd)) {
_kvm_err(kd, 0, "_arm_minidump_kvatop called in live kernel!");
return (0);
}
vm = kd->vmst;
ptemap = vm->ptemap;
if (va >= vm->hdr.kernbase) {
pteindex = (va - vm->hdr.kernbase) >> ARM_PAGE_SHIFT;
if (pteindex >= vm->hdr.ptesize / sizeof(*ptemap))
goto invalid;
pte = _kvm32toh(kd, ptemap[pteindex]);
if ((pte & ARM_L2_TYPE_MASK) == ARM_L2_TYPE_INV) {
_kvm_err(kd, kd->program,
"_arm_minidump_kvatop: pte not valid");
goto invalid;
}
if ((pte & ARM_L2_TYPE_MASK) == ARM_L2_TYPE_L) {
/* 64K page -> convert to be like 4K page */
offset = va & ARM_L2_S_OFFSET;
a = (pte & ARM_L2_L_FRAME) +
(va & ARM_L2_L_OFFSET & ARM_L2_S_FRAME);
} else {
if (kd->vmst->hdr.mmuformat == MINIDUMP_MMU_FORMAT_V4 &&
(pte & ARM_L2_TYPE_MASK) == ARM_L2_TYPE_T) {
_kvm_err(kd, kd->program,
"_arm_minidump_kvatop: pte not supported");
goto invalid;
}
/* 4K page */
offset = va & ARM_L2_S_OFFSET;
a = pte & ARM_L2_S_FRAME;
}
ofs = _kvm_pt_find(kd, a);
if (ofs == -1) {
_kvm_err(kd, kd->program, "_arm_minidump_kvatop: "
"physical address 0x%jx not in minidump",
(uintmax_t)a);
goto invalid;
}
*pa = ofs + offset;
return (ARM_PAGE_SIZE - offset);
} else
static int
_arm_kvatop(kvm_t *kd, kvaddr_t va, off_t *pa)
{
struct vmstate *vm = kd->vmst;
arm_pd_entry_t pd;
arm_pt_entry_t pte;
arm_physaddr_t pte_pa;
off_t pte_off;
if (vm->l1pt == NULL)
return (_kvm_pa2off(kd, va, pa, ARM_PAGE_SIZE));
pd = _kvm32toh(kd, vm->l1pt[ARM_L1_IDX(va)]);
if (!l1pte_valid(pd))
goto invalid;
if (l1pte_section_p(pd)) {
/* 1MB section mapping. */
*pa = (pd & ARM_L1_S_ADDR_MASK) + (va & ARM_L1_S_OFFSET);
return (_kvm_pa2off(kd, *pa, pa, ARM_L1_S_SIZE));
}
pte_pa = (pd & ARM_L1_C_ADDR_MASK) + l2pte_index(va) * sizeof(pte);
_kvm_pa2off(kd, pte_pa, &pte_off, ARM_L1_S_SIZE);
if (pread(kd->pmfd, &pte, sizeof(pte), pte_off) != sizeof(pte)) {
_kvm_syserr(kd, kd->program, "_arm_kvatop: pread");
goto invalid;
}
pte = _kvm32toh(kd, pte);
if (!l2pte_valid(pte)) {
goto invalid;
}
if ((pte & ARM_L2_TYPE_MASK) == ARM_L2_TYPE_L) {
*pa = (pte & ARM_L2_L_FRAME) | (va & ARM_L2_L_OFFSET);
return (_kvm_pa2off(kd, *pa, pa, ARM_L2_L_SIZE));
}
*pa = (pte & ARM_L2_S_FRAME) | (va & ARM_L2_S_OFFSET);
return (_kvm_pa2off(kd, *pa, pa, ARM_PAGE_SIZE));
invalid:
_kvm_err(kd, 0, "Invalid address (%jx)", (uintmax_t)va);
return 0;
}
static int
_mips_minidump_initvtop(kvm_t *kd)
{
struct vmstate *vmst;
off_t off, sparse_off;
vmst = _kvm_malloc(kd, sizeof(*vmst));
if (vmst == NULL) {
_kvm_err(kd, kd->program, "cannot allocate vm");
return (-1);
}
kd->vmst = vmst;
if (kd->nlehdr.e_ident[EI_CLASS] == ELFCLASS64 ||
kd->nlehdr.e_flags & EF_MIPS_ABI2)
vmst->pte_size = 64;
else
vmst->pte_size = 32;
if (pread(kd->pmfd, &vmst->hdr,
sizeof(vmst->hdr), 0) != sizeof(vmst->hdr)) {
_kvm_err(kd, kd->program, "cannot read dump header");
return (-1);
}
if (strncmp(MINIDUMP_MAGIC, vmst->hdr.magic,
sizeof(vmst->hdr.magic)) != 0) {
_kvm_err(kd, kd->program, "not a minidump for this platform");
return (-1);
}
vmst->hdr.version = _kvm32toh(kd, vmst->hdr.version);
if (vmst->hdr.version != MINIDUMP_VERSION) {
_kvm_err(kd, kd->program, "wrong minidump version. "
"Expected %d got %d", MINIDUMP_VERSION, vmst->hdr.version);
return (-1);
}
vmst->hdr.msgbufsize = _kvm32toh(kd, vmst->hdr.msgbufsize);
vmst->hdr.bitmapsize = _kvm32toh(kd, vmst->hdr.bitmapsize);
vmst->hdr.ptesize = _kvm32toh(kd, vmst->hdr.ptesize);
vmst->hdr.kernbase = _kvm64toh(kd, vmst->hdr.kernbase);
vmst->hdr.dmapbase = _kvm64toh(kd, vmst->hdr.dmapbase);
vmst->hdr.dmapend = _kvm64toh(kd, vmst->hdr.dmapend);
/* Skip header and msgbuf */
off = MIPS_PAGE_SIZE + mips_round_page(vmst->hdr.msgbufsize);
sparse_off = off + mips_round_page(vmst->hdr.bitmapsize) +
mips_round_page(vmst->hdr.ptesize);
if (_kvm_pt_init(kd, vmst->hdr.bitmapsize, off, sparse_off,
MIPS_PAGE_SIZE, sizeof(uint32_t)) == -1) {
return (-1);
}
off += mips_round_page(vmst->hdr.bitmapsize);
if (_kvm_pmap_init(kd, vmst->hdr.ptesize, off) == -1) {
return (-1);
}
off += mips_round_page(vmst->hdr.ptesize);
return (0);
}
static int
_arm_minidump_initvtop(kvm_t *kd)
{
struct vmstate *vmst;
off_t off, sparse_off;
vmst = _kvm_malloc(kd, sizeof(*vmst));
if (vmst == NULL) {
_kvm_err(kd, kd->program, "cannot allocate vm");
return (-1);
}
kd->vmst = vmst;
if (pread(kd->pmfd, &vmst->hdr,
sizeof(vmst->hdr), 0) != sizeof(vmst->hdr)) {
_kvm_err(kd, kd->program, "cannot read dump header");
return (-1);
}
if (strncmp(MINIDUMP_MAGIC, vmst->hdr.magic,
sizeof(vmst->hdr.magic)) != 0) {
_kvm_err(kd, kd->program, "not a minidump for this platform");
return (-1);
}
vmst->hdr.version = _kvm32toh(kd, vmst->hdr.version);
if (vmst->hdr.version != MINIDUMP_VERSION) {
_kvm_err(kd, kd->program, "wrong minidump version. "
"Expected %d got %d", MINIDUMP_VERSION, vmst->hdr.version);
return (-1);
}
vmst->hdr.msgbufsize = _kvm32toh(kd, vmst->hdr.msgbufsize);
vmst->hdr.bitmapsize = _kvm32toh(kd, vmst->hdr.bitmapsize);
vmst->hdr.ptesize = _kvm32toh(kd, vmst->hdr.ptesize);
vmst->hdr.kernbase = _kvm32toh(kd, vmst->hdr.kernbase);
vmst->hdr.arch = _kvm32toh(kd, vmst->hdr.arch);
vmst->hdr.mmuformat = _kvm32toh(kd, vmst->hdr.mmuformat);
if (vmst->hdr.mmuformat == MINIDUMP_MMU_FORMAT_UNKNOWN) {
/* This is a safe default as 1K pages are not used. */
vmst->hdr.mmuformat = MINIDUMP_MMU_FORMAT_V6;
}
/* Skip header and msgbuf */
off = ARM_PAGE_SIZE + arm_round_page(vmst->hdr.msgbufsize);
sparse_off = off + arm_round_page(vmst->hdr.bitmapsize) +
arm_round_page(vmst->hdr.ptesize);
if (_kvm_pt_init(kd, vmst->hdr.bitmapsize, off, sparse_off,
ARM_PAGE_SIZE, sizeof(uint32_t)) == -1) {
_kvm_err(kd, kd->program, "cannot load core bitmap");
return (-1);
}
off += arm_round_page(vmst->hdr.bitmapsize);
vmst->ptemap = _kvm_malloc(kd, vmst->hdr.ptesize);
if (vmst->ptemap == NULL) {
_kvm_err(kd, kd->program, "cannot allocate %d bytes for "
"ptemap", vmst->hdr.ptesize);
return (-1);
}
if (pread(kd->pmfd, vmst->ptemap, vmst->hdr.ptesize, off) !=
(ssize_t)vmst->hdr.ptesize) {
_kvm_err(kd, kd->program, "cannot read %d bytes for ptemap",
vmst->hdr.ptesize);
return (-1);
}
off += arm_round_page(vmst->hdr.ptesize);
return (0);
}
static int
_mips_minidump_initvtop(kvm_t *kd)
{
struct vmstate *vmst;
uint32_t *bitmap;
off_t off;
vmst = _kvm_malloc(kd, sizeof(*vmst));
if (vmst == NULL) {
_kvm_err(kd, kd->program, "cannot allocate vm");
return (-1);
}
kd->vmst = vmst;
if (kd->nlehdr.e_ident[EI_CLASS] == ELFCLASS64 ||
kd->nlehdr.e_flags & EF_MIPS_ABI2)
vmst->pte_size = 64;
else
vmst->pte_size = 32;
if (pread(kd->pmfd, &vmst->hdr,
sizeof(vmst->hdr), 0) != sizeof(vmst->hdr)) {
_kvm_err(kd, kd->program, "cannot read dump header");
return (-1);
}
if (strncmp(MINIDUMP_MAGIC, vmst->hdr.magic,
sizeof(vmst->hdr.magic)) != 0) {
_kvm_err(kd, kd->program, "not a minidump for this platform");
return (-1);
}
vmst->hdr.version = _kvm32toh(kd, vmst->hdr.version);
if (vmst->hdr.version != MINIDUMP_VERSION) {
_kvm_err(kd, kd->program, "wrong minidump version. "
"Expected %d got %d", MINIDUMP_VERSION, vmst->hdr.version);
return (-1);
}
vmst->hdr.msgbufsize = _kvm32toh(kd, vmst->hdr.msgbufsize);
vmst->hdr.bitmapsize = _kvm32toh(kd, vmst->hdr.bitmapsize);
vmst->hdr.ptesize = _kvm32toh(kd, vmst->hdr.ptesize);
vmst->hdr.kernbase = _kvm64toh(kd, vmst->hdr.kernbase);
vmst->hdr.dmapbase = _kvm64toh(kd, vmst->hdr.dmapbase);
vmst->hdr.dmapend = _kvm64toh(kd, vmst->hdr.dmapend);
/* Skip header and msgbuf */
off = MIPS_PAGE_SIZE + mips_round_page(vmst->hdr.msgbufsize);
bitmap = _kvm_malloc(kd, vmst->hdr.bitmapsize);
if (bitmap == NULL) {
_kvm_err(kd, kd->program, "cannot allocate %d bytes for "
"bitmap", vmst->hdr.bitmapsize);
return (-1);
}
if (pread(kd->pmfd, bitmap, vmst->hdr.bitmapsize, off) !=
(ssize_t)vmst->hdr.bitmapsize) {
_kvm_err(kd, kd->program, "cannot read %d bytes for page bitmap",
vmst->hdr.bitmapsize);
free(bitmap);
return (-1);
}
off += mips_round_page(vmst->hdr.bitmapsize);
vmst->ptemap = _kvm_malloc(kd, vmst->hdr.ptesize);
if (vmst->ptemap == NULL) {
_kvm_err(kd, kd->program, "cannot allocate %d bytes for "
"ptemap", vmst->hdr.ptesize);
free(bitmap);
return (-1);
}
if (pread(kd->pmfd, vmst->ptemap, vmst->hdr.ptesize, off) !=
(ssize_t)vmst->hdr.ptesize) {
_kvm_err(kd, kd->program, "cannot read %d bytes for ptemap",
vmst->hdr.ptesize);
free(bitmap);
return (-1);
}
off += vmst->hdr.ptesize;
/* Build physical address hash table for sparse pages */
_kvm_hpt_init(kd, &vmst->hpt, bitmap, vmst->hdr.bitmapsize, off,
MIPS_PAGE_SIZE, sizeof(*bitmap));
free(bitmap);
return (0);
}
static int
_mips_minidump_kvatop(kvm_t *kd, kvaddr_t va, off_t *pa)
{
struct vmstate *vm;
uint64_t pte;
mips_physaddr_t offset, a;
kvaddr_t pteindex;
off_t ofs;
uint32_t *ptemap32;
uint64_t *ptemap64;
if (ISALIVE(kd)) {
_kvm_err(kd, 0, "_mips_minidump_kvatop called in live kernel!");
return (0);
}
offset = va & MIPS_PAGE_MASK;
/* Operate with page-aligned address */
va &= ~MIPS_PAGE_MASK;
vm = kd->vmst;
ptemap32 = vm->ptemap;
ptemap64 = vm->ptemap;
if (kd->nlehdr.e_ident[EI_CLASS] == ELFCLASS64) {
if (va >= MIPS_XKPHYS_START && va < MIPS_XKPHYS_END) {
a = va & MIPS_XKPHYS_PHYS_MASK;
goto found;
}
if (va >= MIPS64_KSEG0_START && va < MIPS64_KSEG0_END) {
a = va & MIPS_KSEG0_PHYS_MASK;
goto found;
}
if (va >= MIPS64_KSEG1_START && va < MIPS64_KSEG1_END) {
a = va & MIPS_KSEG0_PHYS_MASK;
goto found;
}
} else {
if (va >= MIPS32_KSEG0_START && va < MIPS32_KSEG0_END) {
a = va & MIPS_KSEG0_PHYS_MASK;
goto found;
}
if (va >= MIPS32_KSEG1_START && va < MIPS32_KSEG1_END) {
a = va & MIPS_KSEG0_PHYS_MASK;
goto found;
}
}
if (va >= vm->hdr.kernbase) {
pteindex = (va - vm->hdr.kernbase) >> MIPS_PAGE_SHIFT;
if (vm->pte_size == 64) {
pte = _kvm64toh(kd, ptemap64[pteindex]);
a = MIPS64_PTE_TO_PA(pte);
} else {
pte = _kvm32toh(kd, ptemap32[pteindex]);
a = MIPS32_PTE_TO_PA(pte);
}
if (!pte) {
_kvm_err(kd, kd->program, "_mips_minidump_kvatop: pte "
"not valid");
goto invalid;
}
} else {
