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#ifndef H_ECALL
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#define H_ECALL
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#include "sched.h"
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/*
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* Maps ecall names to numbers
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*/
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enum ecall_codes {
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ECALL_SPAWN = 1,
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ECALL_SLEEP = 2,
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ECALL_JOIN = 3,
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ECALL_KILL = 4,
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ECALL_EXIT = 5,
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};
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#define ECALL_TABLE_LEN 8
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// initializer for ecall lookup table
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void init_ecall_table();
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// exception handler
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void handle_exception(int ecode, int mtval);
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// called by the assembly trap handler in boot.S
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void __attribute__((__noreturn__)) trap_handle(int interrupt_bit, int code, int mtval);
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#endif
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