blob: 5f9cfd95d3c802d591858ef3c105898ec50a5ddc [file] [log] [blame]
.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
bi _main
nop
nop
_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