QEMU_BUILD_BUG_ON(sizeof(SysIB) != 4096);
/* MMU defines */
-#define _ASCE_ORIGIN ~0xfffULL /* segment table origin */
-#define _ASCE_SUBSPACE 0x200 /* subspace group control */
-#define _ASCE_PRIVATE_SPACE 0x100 /* private space control */
-#define _ASCE_ALT_EVENT 0x80 /* storage alteration event control */
-#define _ASCE_SPACE_SWITCH 0x40 /* space switch event */
-#define _ASCE_REAL_SPACE 0x20 /* real space control */
-#define _ASCE_TYPE_MASK 0x0c /* asce table type mask */
-#define _ASCE_TYPE_REGION1 0x0c /* region first table type */
-#define _ASCE_TYPE_REGION2 0x08 /* region second table type */
-#define _ASCE_TYPE_REGION3 0x04 /* region third table type */
-#define _ASCE_TYPE_SEGMENT 0x00 /* segment table type */
-#define _ASCE_TABLE_LENGTH 0x03 /* region table length */
-
-#define _REGION_ENTRY_ORIGIN ~0xfffULL /* region/segment table origin */
-#define _REGION_ENTRY_RO 0x200 /* region/segment protection bit */
-#define _REGION_ENTRY_TF 0xc0 /* region/segment table offset */
-#define _REGION_ENTRY_INV 0x20 /* invalid region table entry */
-#define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
-#define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
-#define _REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
-#define _REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
-#define _REGION_ENTRY_LENGTH 0x03 /* region third length */
-
-#define _SEGMENT_ENTRY_ORIGIN ~0x7ffULL /* segment table origin */
-#define _SEGMENT_ENTRY_FC 0x400 /* format control */
-#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
-#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
-
-#define VADDR_PX 0xff000 /* page index bits */
-
-#define _PAGE_RO 0x200 /* HW read-only bit */
-#define _PAGE_INVALID 0x400 /* HW invalid bit */
-#define _PAGE_RES0 0x800 /* bit must be zero */
+#define ASCE_ORIGIN (~0xfffULL) /* segment table origin */
+#define ASCE_SUBSPACE 0x200 /* subspace group control */
+#define ASCE_PRIVATE_SPACE 0x100 /* private space control */
+#define ASCE_ALT_EVENT 0x80 /* storage alteration event control */
+#define ASCE_SPACE_SWITCH 0x40 /* space switch event */
+#define ASCE_REAL_SPACE 0x20 /* real space control */
+#define ASCE_TYPE_MASK 0x0c /* asce table type mask */
+#define ASCE_TYPE_REGION1 0x0c /* region first table type */
+#define ASCE_TYPE_REGION2 0x08 /* region second table type */
+#define ASCE_TYPE_REGION3 0x04 /* region third table type */
+#define ASCE_TYPE_SEGMENT 0x00 /* segment table type */
+#define ASCE_TABLE_LENGTH 0x03 /* region table length */
+
+#define REGION_ENTRY_ORIGIN (~0xfffULL) /* region/segment table origin */
+#define REGION_ENTRY_RO 0x200 /* region/segment protection bit */
+#define REGION_ENTRY_TF 0xc0 /* region/segment table offset */
+#define REGION_ENTRY_INV 0x20 /* invalid region table entry */
+#define REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
+#define REGION_ENTRY_TYPE_R1 0x0c /* region first table type */
+#define REGION_ENTRY_TYPE_R2 0x08 /* region second table type */
+#define REGION_ENTRY_TYPE_R3 0x04 /* region third table type */
+#define REGION_ENTRY_LENGTH 0x03 /* region third length */
+
+#define SEGMENT_ENTRY_ORIGIN (~0x7ffULL) /* segment table origin */
+#define SEGMENT_ENTRY_FC 0x400 /* format control */
+#define SEGMENT_ENTRY_RO 0x200 /* page protection bit */
+#define SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
+
+#define VADDR_PX 0xff000 /* page index bits */
+
+#define PAGE_RO 0x200 /* HW read-only bit */
+#define PAGE_INVALID 0x400 /* HW invalid bit */
+#define PAGE_RES0 0x800 /* bit must be zero */
#define SK_C (0x1 << 1)
#define SK_R (0x1 << 2)
if (!(r2 & 0x800)) {
/* invalidation-and-clearing operation */
- table = r1 & _ASCE_ORIGIN;
+ table = r1 & ASCE_ORIGIN;
entries = (r2 & 0x7ff) + 1;
- switch (r1 & _ASCE_TYPE_MASK) {
- case _ASCE_TYPE_REGION1:
+ switch (r1 & ASCE_TYPE_MASK) {
+ case ASCE_TYPE_REGION1:
index = (r2 >> 53) & 0x7ff;
break;
- case _ASCE_TYPE_REGION2:
+ case ASCE_TYPE_REGION2:
index = (r2 >> 42) & 0x7ff;
break;
- case _ASCE_TYPE_REGION3:
+ case ASCE_TYPE_REGION3:
index = (r2 >> 31) & 0x7ff;
break;
- case _ASCE_TYPE_SEGMENT:
+ case ASCE_TYPE_SEGMENT:
index = (r2 >> 20) & 0x7ff;
break;
}
/* addresses are not wrapped in 24/31bit mode but table index is */
raddr = table + ((index + i) & 0x7ff) * sizeof(entry);
entry = cpu_ldq_real_ra(env, raddr, ra);
- if (!(entry & _REGION_ENTRY_INV)) {
+ if (!(entry & REGION_ENTRY_INV)) {
/* we are allowed to not store if already invalid */
- entry |= _REGION_ENTRY_INV;
+ entry |= REGION_ENTRY_INV;
cpu_stq_real_ra(env, raddr, entry, ra);
}
}
uint64_t pte_addr, pte;
/* Compute the page table entry address */
- pte_addr = (pto & _SEGMENT_ENTRY_ORIGIN);
+ pte_addr = (pto & SEGMENT_ENTRY_ORIGIN);
pte_addr += (vaddr & VADDR_PX) >> 9;
/* Mark the page table entry as invalid */
pte = cpu_ldq_real_ra(env, pte_addr, ra);
- pte |= _PAGE_INVALID;
+ pte |= PAGE_INVALID;
cpu_stq_real_ra(env, pte_addr, pte, ra);
/* XXX we exploit the fact that Linux passes the exact virtual
/* Check the private-space control bit */
switch (asc) {
case PSW_ASC_PRIMARY:
- return !(env->cregs[1] & _ASCE_PRIVATE_SPACE);
+ return !(env->cregs[1] & ASCE_PRIVATE_SPACE);
case PSW_ASC_SECONDARY:
- return !(env->cregs[7] & _ASCE_PRIVATE_SPACE);
+ return !(env->cregs[7] & ASCE_PRIVATE_SPACE);
case PSW_ASC_HOME:
- return !(env->cregs[13] & _ASCE_PRIVATE_SPACE);
+ return !(env->cregs[13] & ASCE_PRIVATE_SPACE);
default:
/* We don't support access register mode */
error_report("unsupported addressing mode");
uint64_t asc, uint64_t pt_entry,
target_ulong *raddr, int *flags, int rw, bool exc)
{
- if (pt_entry & _PAGE_INVALID) {
+ if (pt_entry & PAGE_INVALID) {
DPRINTF("%s: PTE=0x%" PRIx64 " invalid\n", __func__, pt_entry);
trigger_page_fault(env, vaddr, PGM_PAGE_TRANS, asc, rw, exc);
return -1;
}
- if (pt_entry & _PAGE_RES0) {
+ if (pt_entry & PAGE_RES0) {
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw, exc);
return -1;
}
- if (pt_entry & _PAGE_RO) {
+ if (pt_entry & PAGE_RO) {
*flags &= ~PAGE_WRITE;
}
- *raddr = pt_entry & _ASCE_ORIGIN;
+ *raddr = pt_entry & ASCE_ORIGIN;
PTE_DPRINTF("%s: PTE=0x%" PRIx64 "\n", __func__, pt_entry);
CPUState *cs = CPU(s390_env_get_cpu(env));
uint64_t origin, offs, pt_entry;
- if (st_entry & _SEGMENT_ENTRY_RO) {
+ if (st_entry & SEGMENT_ENTRY_RO) {
*flags &= ~PAGE_WRITE;
}
- if ((st_entry & _SEGMENT_ENTRY_FC) && (env->cregs[0] & CR0_EDAT)) {
+ if ((st_entry & SEGMENT_ENTRY_FC) && (env->cregs[0] & CR0_EDAT)) {
/* Decode EDAT1 segment frame absolute address (1MB page) */
*raddr = (st_entry & 0xfffffffffff00000ULL) | (vaddr & 0xfffff);
PTE_DPRINTF("%s: SEG=0x%" PRIx64 "\n", __func__, st_entry);
}
/* Look up 4KB page entry */
- origin = st_entry & _SEGMENT_ENTRY_ORIGIN;
+ origin = st_entry & SEGMENT_ENTRY_ORIGIN;
offs = (vaddr & VADDR_PX) >> 9;
pt_entry = ldq_phys(cs->as, origin + offs);
PTE_DPRINTF("%s: 0x%" PRIx64 " + 0x%" PRIx64 " => 0x%016" PRIx64 "\n",
PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __func__, entry);
- origin = entry & _REGION_ENTRY_ORIGIN;
+ origin = entry & REGION_ENTRY_ORIGIN;
offs = (vaddr >> (17 + 11 * level / 4)) & 0x3ff8;
new_entry = ldq_phys(cs->as, origin + offs);
PTE_DPRINTF("%s: 0x%" PRIx64 " + 0x%" PRIx64 " => 0x%016" PRIx64 "\n",
__func__, origin, offs, new_entry);
- if ((new_entry & _REGION_ENTRY_INV) != 0) {
+ if ((new_entry & REGION_ENTRY_INV) != 0) {
DPRINTF("%s: invalid region\n", __func__);
trigger_page_fault(env, vaddr, pchks[level / 4], asc, rw, exc);
return -1;
}
- if ((new_entry & _REGION_ENTRY_TYPE_MASK) != level) {
+ if ((new_entry & REGION_ENTRY_TYPE_MASK) != level) {
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw, exc);
return -1;
}
- if (level == _ASCE_TYPE_SEGMENT) {
+ if (level == ASCE_TYPE_SEGMENT) {
return mmu_translate_segment(env, vaddr, asc, new_entry, raddr, flags,
rw, exc);
}
/* Check region table offset and length */
offs = (vaddr >> (28 + 11 * (level - 4) / 4)) & 3;
- if (offs < ((new_entry & _REGION_ENTRY_TF) >> 6)
- || offs > (new_entry & _REGION_ENTRY_LENGTH)) {
+ if (offs < ((new_entry & REGION_ENTRY_TF) >> 6)
+ || offs > (new_entry & REGION_ENTRY_LENGTH)) {
DPRINTF("%s: invalid offset or len (%lx)\n", __func__, new_entry);
trigger_page_fault(env, vaddr, pchks[level / 4 - 1], asc, rw, exc);
return -1;
}
- if ((env->cregs[0] & CR0_EDAT) && (new_entry & _REGION_ENTRY_RO)) {
+ if ((env->cregs[0] & CR0_EDAT) && (new_entry & REGION_ENTRY_RO)) {
*flags &= ~PAGE_WRITE;
}
int level;
int r;
- if (asce & _ASCE_REAL_SPACE) {
+ if (asce & ASCE_REAL_SPACE) {
/* direct mapping */
*raddr = vaddr;
return 0;
}
- level = asce & _ASCE_TYPE_MASK;
+ level = asce & ASCE_TYPE_MASK;
switch (level) {
- case _ASCE_TYPE_REGION1:
- if ((vaddr >> 62) > (asce & _ASCE_TABLE_LENGTH)) {
+ case ASCE_TYPE_REGION1:
+ if ((vaddr >> 62) > (asce & ASCE_TABLE_LENGTH)) {
trigger_page_fault(env, vaddr, PGM_REG_FIRST_TRANS, asc, rw, exc);
return -1;
}
break;
- case _ASCE_TYPE_REGION2:
+ case ASCE_TYPE_REGION2:
if (vaddr & 0xffe0000000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
" 0xffe0000000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_ASCE_TYPE, asc, rw, exc);
return -1;
}
- if ((vaddr >> 51 & 3) > (asce & _ASCE_TABLE_LENGTH)) {
+ if ((vaddr >> 51 & 3) > (asce & ASCE_TABLE_LENGTH)) {
trigger_page_fault(env, vaddr, PGM_REG_SEC_TRANS, asc, rw, exc);
return -1;
}
break;
- case _ASCE_TYPE_REGION3:
+ case ASCE_TYPE_REGION3:
if (vaddr & 0xfffffc0000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
" 0xfffffc0000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_ASCE_TYPE, asc, rw, exc);
return -1;
}
- if ((vaddr >> 40 & 3) > (asce & _ASCE_TABLE_LENGTH)) {
+ if ((vaddr >> 40 & 3) > (asce & ASCE_TABLE_LENGTH)) {
trigger_page_fault(env, vaddr, PGM_REG_THIRD_TRANS, asc, rw, exc);
return -1;
}
break;
- case _ASCE_TYPE_SEGMENT:
+ case ASCE_TYPE_SEGMENT:
if (vaddr & 0xffffffff80000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
" 0xffffffff80000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_ASCE_TYPE, asc, rw, exc);
return -1;
}
- if ((vaddr >> 29 & 3) > (asce & _ASCE_TABLE_LENGTH)) {
+ if ((vaddr >> 29 & 3) > (asce & ASCE_TABLE_LENGTH)) {
trigger_page_fault(env, vaddr, PGM_SEGMENT_TRANS, asc, rw, exc);
return -1;
}
projects / qemu-xen.git / commitdiff