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add virtual address bits and physical memory to the mem config

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daanx 2024-11-16 15:37:08 -08:00
parent 54940a6a65
commit b27d154ffd
6 changed files with 69 additions and 24 deletions
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12
src/prim/windows/prim.c
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@ -118,6 +118,18 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
GetSystemInfo(&si);
if (si.dwPageSize > 0) { config->page_size = si.dwPageSize; }
if (si.dwAllocationGranularity > 0) { config->alloc_granularity = si.dwAllocationGranularity; }
// get virtual address bits
if ((uintptr_t)si.lpMaximumApplicationAddress > 0) {
const size_t vbits = MI_INTPTR_BITS - mi_clz((uintptr_t)si.lpMaximumApplicationAddress);
config->virtual_address_bits = vbits;
}
// get physical memory
ULONGLONG memInKiB = 0;
if (GetPhysicallyInstalledSystemMemory(&memInKiB)) {
if (memInKiB > 0 && memInKiB < (SIZE_MAX / MI_KiB)) {
config->physical_memory = memInKiB * MI_KiB;
}
}
// get the VirtualAlloc2 function
HINSTANCE hDll;
hDll = LoadLibrary(TEXT("kernelbase.dll"));