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Reduce system reserved space to 0x700000000 and map fixed on macOS.

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squidbus 2024-07-15 16:39:38 -07:00 • committed by TheTurtle
parent f943ce2710
commit e2adbd75c3
3 changed files with 9 additions and 4 deletions
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6
src/core/address_space.cpp
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@ -16,8 +16,8 @@
#endif
#ifdef __APPLE__
// Reserve space for the system-managed address space using a zerofill section.
asm(".zerofill SYSTEM_MANAGED,SYSTEM_MANAGED,__system_managed,0x800000000");
// Reserve space for the system address space using a zerofill section.
asm(".zerofill GUEST_SYSTEM,GUEST_SYSTEM,__guest_system,0xEFFC00000");
#endif
namespace Core {
@ -295,7 +295,7 @@ struct AddressSpace::Impl {
// Cannot guarantee enough space for these areas at the desired addresses, so not MAP_FIXED.
system_reserved_base = reinterpret_cast<u8*>(
mmap(reinterpret_cast<void*>(SYSTEM_RESERVED_MIN), system_reserved_size,
protection_flags, base_map_flags, -1, 0));
protection_flags, base_map_flags | MAP_FIXED, -1, 0));
user_base = reinterpret_cast<u8*>(mmap(reinterpret_cast<void*>(USER_MIN), user_size,
protection_flags, base_map_flags, -1, 0));
#else