27 lines
782 B
C++
27 lines
782 B
C++
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#include "vectorinit.hpp"
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extern "C" {
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extern uintptr_t branch_macro;
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void data_abort();
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void fast_irq();
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void normal_irq();
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void prefetch_abort();
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void svc_call();
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void undefined_op();
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}
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void initVectors() {
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uintptr_t *vectors = (uintptr_t *)0x08000000;
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// branch_macro is a ldr pc, [pc,#-4], meaning it reads the following word as PC
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vectors[0] = branch_macro;
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vectors[1] = (uintptr_t)&normal_irq;
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vectors[2] = branch_macro;
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vectors[3] = (uintptr_t)&fast_irq;
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vectors[4] = branch_macro;
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vectors[5] = (uintptr_t)&svc_call;
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vectors[6] = branch_macro;
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vectors[7] = (uintptr_t)&undefined_op;
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vectors[8] = branch_macro;
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vectors[9] = (uintptr_t)&prefetch_abort;
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vectors[10] = branch_macro;
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vectors[11] = (uintptr_t)&data_abort;
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}
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