Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / lm32 / crt.S

diff --git a/qemu/tests/tcg/lm32/crt.S b/qemu/tests/tcg/lm32/crt.S
new file mode 100644 (file)
index 0000000..fc437a3
--- /dev/null
+++ b/qemu/tests/tcg/lm32/crt.S
@@ -0,0 +1,84 @@
+.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
+