.text .global _start _start: _reset_handler: xor r0, r0, r0 mvhi r1, hi(_start) ori r1, r1, lo(_start) wcsr eba, r1 wcsr deba, r1 mvhi sp, hi(_fstack) ori sp, sp, lo(_fstack) bi _main _breakpoint_handler: ori r25, r25, 1 addi ra, ba, 4 ret nop nop nop nop nop _instruction_bus_error_handler: ori r25, r25, 2 addi ra, ea, 4 ret nop nop nop nop nop _watchpoint_handler: ori r25, r25, 4 addi ra, ba, 4 ret nop nop nop nop nop _data_bus_error_handler: ori r25, r25, 8 addi ra, ea, 4 ret nop nop nop nop nop _divide_by_zero_handler: ori r25, r25, 16 addi ra, ea, 4 ret nop nop nop nop nop _interrupt_handler: ori r25, r25, 32 addi ra, ea, 4 ret nop nop nop nop nop _system_call_handler: ori r25, r25, 64 addi ra, ea, 4 ret nop nop nop nop nop