@@ -6488,7 +6488,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
uint32_t tableattrs;
target_ulong page_size;
uint32_t attrs;
- int32_t granule_sz = 9;
+ int32_t stride = 9;
int32_t va_size = 32;
int inputsize;
int32_t tbi = 0;
@@ -6597,10 +6597,10 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
tg = extract32(tcr->raw_tcr, 14, 2);
if (tg == 1) { /* 64KB pages */
- granule_sz = 13;
+ stride = 13;
}
if (tg == 2) { /* 16KB pages */
- granule_sz = 11;
+ stride = 11;
}
} else {
/* We should only be here if TTBR1 is valid */
@@ -6612,15 +6612,15 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
tg = extract32(tcr->raw_tcr, 30, 2);
if (tg == 3) { /* 64KB pages */
- granule_sz = 13;
+ stride = 13;
}
if (tg == 1) { /* 16KB pages */
- granule_sz = 11;
+ stride = 11;
}
}
/* Here we should have set up all the parameters for the translation:
- * va_size, inputsize, ttbr, epd, granule_sz, tbi
+ * va_size, inputsize, ttbr, epd, stride, tbi
*/
if (epd) {
@@ -6632,16 +6632,16 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
/* The starting level depends on the virtual address size (which can be
* up to 48 bits) and the translation granule size. It indicates the number
- * of strides (granule_sz bits at a time) needed to consume the bits
+ * of strides (stride bits at a time) needed to consume the bits
* of the input address. In the pseudocode this is:
* level = 4 - RoundUp((inputsize - grainsize) / stride)
* where their 'inputsize' is our 'inputsize', 'grainsize' is
- * our 'granule_sz + 3' and 'stride' is our 'granule_sz'.
+ * our 'stride + 3' and 'stride' is our 'stride'.
* Applying the usual "rounded up m/n is (m+n-1)/n" and simplifying:
- * = 4 - (inputsize - granule_sz - 3 + granule_sz - 1) / granule_sz
- * = 4 - (inputsize - 4) / granule_sz;
+ * = 4 - (inputsize - stride - 3 + stride - 1) / stride
+ * = 4 - (inputsize - 4) / stride;
*/
- level = 4 - (inputsize - 4) / granule_sz;
+ level = 4 - (inputsize - 4) / stride;
/* Clear the vaddr bits which aren't part of the within-region address,
* so that we don't have to special case things when calculating the
@@ -6651,11 +6651,11 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
address &= (1ULL << inputsize) - 1;
}
- descmask = (1ULL << (granule_sz + 3)) - 1;
+ descmask = (1ULL << (stride + 3)) - 1;
/* Now we can extract the actual base address from the TTBR */
descaddr = extract64(ttbr, 0, 48);
- descaddr &= ~((1ULL << (inputsize - (granule_sz * (4 - level)))) - 1);
+ descaddr &= ~((1ULL << (inputsize - (stride * (4 - level)))) - 1);
/* Secure accesses start with the page table in secure memory and
* can be downgraded to non-secure at any step. Non-secure accesses
@@ -6667,7 +6667,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
uint64_t descriptor;
bool nstable;
- descaddr |= (address >> (granule_sz * (4 - level))) & descmask;
+ descaddr |= (address >> (stride * (4 - level))) & descmask;
descaddr &= ~7ULL;
nstable = extract32(tableattrs, 4, 1);
descriptor = arm_ldq_ptw(cs, descaddr, !nstable);
@@ -6692,7 +6692,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
* These are basically the same thing, although the number
* of bits we pull in from the vaddr varies.
*/
- page_size = (1ULL << ((granule_sz * (4 - level)) + 3));
+ page_size = (1ULL << ((stride * (4 - level)) + 3));
descaddr |= (address & (page_size - 1));
/* Extract attributes from the descriptor and merge with table attrs */
attrs = extract64(descriptor, 2, 10)