31 lines
574 B
C++
31 lines
574 B
C++
#include <cstdint>
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extern "C" uint32_t _bss_begin, _bss_end, _initial_stack_pointer;
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extern "C" int main();
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namespace {
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enum VectorTableEntry {
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StackPointer = 0,
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Reset = 1,
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};
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void ResetHandler() {
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// clear .bss
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for (uint32_t* ptr = &_bss_begin; ptr < &_bss_end; ptr++) {
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*ptr = 0;
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}
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main();
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while(true) {}
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}
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} // namespace
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__attribute__((section(".vector_table")))
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uint32_t vector_table[16] = {
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[StackPointer] = reinterpret_cast<uint32_t>(&_initial_stack_pointer),
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[Reset] = reinterpret_cast<uint32_t>(ResetHandler),
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};
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