diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-04-01 13:29:29 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-04-01 13:29:29 +0200 |
| commit | e2b41947cde11c870d96970712dcfb3aa76eb0cf (patch) | |
| tree | 1fac60e9955a3d8d380e17b5665d89703a32a3c3 /dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc | |
| parent | 1c3b37123cef3fa9c69099bc6228d7b4a082ee90 (diff) | |
kernel/wip: SMP tweaks, and code cleanup.
Diffstat (limited to 'dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc')
| -rw-r--r-- | dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc index 10361d8e..c7e639e4 100644 --- a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc +++ b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc @@ -210,16 +210,25 @@ namespace Kernel::HAL if (kMADTBlock) { - SizeT index = 0; + SizeT index = 1; kSMPInterrupt = 0; kSMPCount = 0; + UInt32 eax, edx; kout << "SMP: Starting APs...\r"; - UInt32 eax, edx; kApicBaseAddress = kMADTBlock->Address; + constexpr auto kMemoryAPStart = 0x7C000; + Char* ptr_ap_code = reinterpret_cast<Char*>(kMemoryAPStart); + + mm_map_page(ptr_ap_code, ptr_ap_code, kMMFlagsWr); + + SizeT hal_ap_blob_len = hal_ap_blob_end - hal_ap_blob_start; + + rt_copy_memory((Char*)hal_ap_blob_start, ptr_ap_code, hal_ap_blob_len); + while (Yes) { if (kMADTBlock->List[index].Type > 9 || @@ -244,7 +253,7 @@ namespace Kernel::HAL /// TODO: HAL helper to create an address. - hal_send_sipi(kApicBaseAddress, kAPICLocales[kSMPCount], (UInt8)(((UIntPtr)hal_ap_blob_start) >> 12)); + hal_send_sipi(kApicBaseAddress, kAPICLocales[kSMPCount], (UInt8)(((UIntPtr)ptr_ap_code) >> 12)); ++kSMPCount; break; |