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memory: LOG_ERROR when falling off end of page table

This commit is contained in:
MerryMage 2018-02-21 20:03:56 +00:00
parent 6a2197806e
commit cc368de1a0
1 changed files with 11 additions and 0 deletions
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11
src/core/memory.cpp
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@ -118,6 +118,11 @@ boost::optional<T> ReadSpecial(VAddr addr);
template <typename T> template <typename T>
T Read(const VAddr vaddr) { T Read(const VAddr vaddr) {
if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
LOG_ERROR(HW_Memory, "Read%lu after page table @ 0x%016" PRIX64, sizeof(T) * 8, vaddr);
return 0;
}
const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) { switch (type) {
case PageType::Unmapped: case PageType::Unmapped:
@ -146,6 +151,12 @@ bool WriteSpecial(VAddr addr, const T data);
template <typename T> template <typename T>
void Write(const VAddr vaddr, const T data) { void Write(const VAddr vaddr, const T data) {
if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
LOG_ERROR(HW_Memory, "Write%lu after page table 0x%08X @ 0x%016" PRIX64, sizeof(data) * 8,
(u32)data, vaddr);
return;
}
const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) { switch (type) {
case PageType::Unmapped: case PageType::Unmapped: