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memory: Support 32-bit paging, move heap address space up.

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This commit is contained in:
bunnei 2017-10-22 23:17:59 -04:00
parent dcd6bb82f7
commit 9ceb0d9381
2 changed files with 3 additions and 3 deletions
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4
src/core/memory.h
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@ -26,7 +26,7 @@ namespace Memory {
const int PAGE_BITS = 12;
const u64 PAGE_SIZE = 1 << PAGE_BITS;
const u64 PAGE_MASK = PAGE_SIZE - 1;
const size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (32 - PAGE_BITS);
const size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (36 - PAGE_BITS);
enum class PageType {
/// Page is unmapped and should cause an access error.
@ -135,7 +135,7 @@ enum : VAddr {
IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
/// Application heap (includes stack).
HEAP_VADDR = 0x08000000,
HEAP_VADDR = 0x108000000,
HEAP_SIZE = 0x08000000,
HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,