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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /tests/tcg/lm32/crt.S
downloadqemu-master.tar.gz
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'tests/tcg/lm32/crt.S')
-rw-r--r--tests/tcg/lm32/crt.S84
1 files changed, 84 insertions, 0 deletions
diff --git a/tests/tcg/lm32/crt.S b/tests/tcg/lm32/crt.S
new file mode 100644
index 00000000..fc437a3d
--- /dev/null
+++ b/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
+