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#include "arch/video/vga/text.hpp"
namespace teachos::arch::exception_handling
{
auto assert(bool condition, char const * message) -> void
{
if (condition)
{
return;
}
video::vga::text::write("Assert failed: ", video::vga::text::common_attributes::green_on_black);
video::vga::text::write(message, video::vga::text::common_attributes::green_on_black);
for (;;)
{
// Trick the compiler into thinking the variable is changes at run time,
// to prevent the while loop being optimized away
// See
// https://stackoverflow.com/questions/9495856/how-to-prevent-g-from-optimizing-out-a-loop-controlled-by-a-variable-that-can
// for more information.
asm volatile("" : "+g"(condition));
}
}
} // namespace teachos::arch::exception_handling
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