qemu-e2k/tests/lm32/crt.S
Michael Walle d65f083146 lm32: opcode testsuite
This patch creates tests/lm32 directory and adds tests for every
LatticeMico32 opcode.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2011-03-07 13:42:37 +01:00

85 lines
774 B
ArmAsm

.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