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| author | Matteo Gmür <matteo.gmuer1@ost.ch> | 2025-03-27 09:40:32 +0000 |
|---|---|---|
| committer | Matteo Gmür <matteo.gmuer1@ost.ch> | 2025-03-27 09:40:32 +0000 |
| commit | a6c5f6a273d0c5c4161f600fca6d4fe49858c23c (patch) | |
| tree | bf02711f9d3e0424dccef4dc1299b5a70c9f839a /arch/x86_64/src/context_switching/main.cpp | |
| parent | db555089dea369d9dd3010d1853077e7a4118b90 (diff) | |
| download | teachos-a6c5f6a273d0c5c4161f600fca6d4fe49858c23c.tar.xz teachos-a6c5f6a273d0c5c4161f600fca6d4fe49858c23c.zip | |
Attempt to fix crash in far jump. WIP does not return from call to assembler method
Diffstat (limited to 'arch/x86_64/src/context_switching/main.cpp')
| -rw-r--r-- | arch/x86_64/src/context_switching/main.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86_64/src/context_switching/main.cpp b/arch/x86_64/src/context_switching/main.cpp index 95a25e0..c3c0cf0 100644 --- a/arch/x86_64/src/context_switching/main.cpp +++ b/arch/x86_64/src/context_switching/main.cpp @@ -13,7 +13,10 @@ namespace teachos::arch::context_switching decltype(auto) global_descriptor_table = segment_descriptor_table::initialize_global_descriptor_table(); decltype(auto) interrupt_descriptor_table = interrupt_descriptor_table::initialize_interrupt_descriptor_table(); - kernel::cpu::jmp((uint64_t)&global_descriptor_table.at(1), boot::segment_register_reload_pointer); + interrupt_descriptor_table::segment_selector segment_selector{ + 1U, interrupt_descriptor_table::segment_selector::REQUEST_LEVEL_KERNEL}; + kernel::cpu::far_pointer pointer{boot::segment_register_reload_pointer, segment_selector}; + kernel::cpu::jmp(pointer); // Load task state segment descriptor from the last element in the global descriptor table, done by calculating // offset in bytes to the start of the segment descriptor (5 * 16) = 80 |