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Change maxNBitValue to a constexpr function

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Now maxNBitValue can be used with run time variables.

Change-Id: I323071400305e05e6303a33e24e90c521246d73f
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
This commit is contained in:
Filip Hazubski
2019-11-27 18:00:52 +01:00
committed by sys_ocldev
parent 0ba31a46cb
commit 0193b3ea69
36 changed files with 66 additions and 63 deletions
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4
runtime/memory_manager/page_table.cpp
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@@ -14,7 +14,7 @@ namespace NEO {
uintptr_t PTE::map(uintptr_t vm, size_t size, uint64_t entryBits, uint32_t memoryBank) {
const size_t shift = 12;
const uint32_t mask = (1 << bits) - 1;
const auto mask = static_cast<uint32_t>(maxNBitValue(bits));
size_t indexStart = (vm >> shift) & mask;
size_t indexEnd = ((vm + size - 1) >> shift) & mask;
uintptr_t res = -1;
@@ -37,7 +37,7 @@ uintptr_t PTE::map(uintptr_t vm, size_t size, uint64_t entryBits, uint32_t memor
void PTE::pageWalk(uintptr_t vm, size_t size, size_t offset, uint64_t entryBits, PageWalker &pageWalker, uint32_t memoryBank) {
static const uint32_t bits = 9;
const size_t shift = 12;
const uint32_t mask = (1 << bits) - 1;
const auto mask = static_cast<uint32_t>(maxNBitValue(bits));
size_t indexStart = (vm >> shift) & mask;
size_t indexEnd = ((vm + size - 1) >> shift) & mask;
uint64_t res = -1;