diff options
Diffstat (limited to 'arch/x86_64/src/user/main.cpp')
| -rw-r--r-- | arch/x86_64/src/user/main.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86_64/src/user/main.cpp b/arch/x86_64/src/user/main.cpp index 3ddcb32..3e7b0ec 100644 --- a/arch/x86_64/src/user/main.cpp +++ b/arch/x86_64/src/user/main.cpp @@ -3,21 +3,31 @@ #include "arch/context_switching/syscall/main.hpp" // TODO: Disallow this import +#include "arch/kernel/cpu/if.hpp" #include "arch/video/vga/text.hpp" namespace teachos::arch::user { - [[gnu::section(".user_text")]] auto main() -> void { char constexpr syscall_message[] = "Successfully entered user mode and wrote to VGA buffer via syscall!"; auto const error = context_switching::syscall::syscall(context_switching::syscall::type::WRITE, {reinterpret_cast<uint64_t>(&syscall_message)}); + kernel::cpu::clear_interrupt_flag(); // Causes crash Kernel Code (.text) is not mapped in User mMde + + auto test = new int{20}; // Causes crash Heap is not mapped in User Mode + (void)test; + if (!error) { + // Causes crash vga is not mapped in User Mode video::vga::text::write("Successfully made a SYSCALL and returned with SYSRETQ!", video::vga::text::common_attributes::green_on_black); } + + for (;;) + { + } } } // namespace teachos::arch::user |