354 lines
6.5 KiB
ArmAsm
354 lines
6.5 KiB
ArmAsm
#include "macros.inc"
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test_suite windowed
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.altmacro
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.macro reset_window start
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movi a2, 0xff
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wsr a2, windowstart
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rsync
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movi a2, 0
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wsr a2, windowbase
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rsync
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movi a2, \start
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wsr a2, windowstart
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rsync
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.endm
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.macro overflow_test shift, window, probe_ok, probe_ex
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set_vector window_overflow_4, 0
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set_vector window_overflow_8, 0
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set_vector window_overflow_12, 0
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movi a2, 1 | (((1 << ((\window) / 4)) | 1) << ((\shift) / 4))
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wsr a2, windowstart
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reset_ps
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mov a2, a\probe_ok
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set_vector window_overflow_\window, 10f
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1:
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mov a2, a\probe_ex
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test_fail
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10:
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rsr a2, epc1
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movi a3, 1b
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assert eq, a2, a3
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movi a2, 2f
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wsr a2, epc1
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rsr a2, windowbase
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movi a3, (\shift) / 4
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assert eq, a2, a3
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rsr a2, ps
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movi a3, 0x4001f
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assert eq, a2, a3
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rfwo
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test_fail
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2:
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rsr a2, windowbase
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assert eqi, a2, 0
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rsr a2, windowstart
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movi a3, 1 | ((1 << ((\window) / 4)) << ((\shift) / 4))
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assert eq, a2, a3
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rsr a2, ps
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movi a3, 0x4000f
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assert eq, a2, a3
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.endm
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.macro overflow_tests shift, window, probe
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.if \probe < 15
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overflow_test \shift, \window, %((\shift) - 1), \probe
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overflow_tests \shift, \window, %((\probe) + 1)
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.endif
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.endm
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.macro all_overflow_tests
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.irp shift, 4, 8, 12
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.irp window, 4, 8, 12
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overflow_tests \shift, \window, \shift
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.endr
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.endr
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.endm
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test overflow
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all_overflow_tests
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test_end
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.macro underflow_test window
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set_vector window_underflow_4, 0
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set_vector window_underflow_8, 0
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set_vector window_underflow_12, 0
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set_vector window_underflow_\window, 10f
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reset_window 1
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reset_ps
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ssai 2
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movi a2, 2f
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slli a2, a2, 2
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movi a3, (\window) / 4
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src a0, a3, a2
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1:
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retw
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test_fail
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10:
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rsr a2, epc1
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movi a3, 1b
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assert eq, a2, a3
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movi a2, 2f
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wsr a2, epc1
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rsr a2, ps
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movi a3, 0x4001f
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assert eq, a2, a3
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rsr a2, windowbase
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assert eqi, a2, 8 - ((\window) / 4)
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rsr a2, windowstart
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assert eqi, a2, 1
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rfwu
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2:
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rsr a2, ps
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movi a3, 0x4000f
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assert eq, a2, a3
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rsr a2, windowbase
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assert eqi, a2, 0
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rsr a2, windowstart
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assert bsi, a2, 0
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assert bsi, a2, 8 - ((\window) / 4)
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.endm
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test underflow
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set_vector window_overflow_4, 0
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set_vector window_overflow_8, 0
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set_vector window_overflow_12, 0
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underflow_test 4
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underflow_test 8
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underflow_test 12
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test_end
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.macro retw_test window
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reset_window %(1 | (1 << (8 - (\window) / 4)))
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reset_ps
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ssai 2
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movi a2, 1f
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slli a2, a2, 2
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movi a3, (\window) / 4
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src a0, a3, a2
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retw
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test_fail
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1:
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rsr a2, ps
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movi a3, 0x4000f
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assert eq, a2, a3
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rsr a2, windowbase
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assert eqi, a2, 8 - ((\window) / 4)
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rsr a2, windowstart
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assert bci, a2, 0
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assert bsi, a2, 8 - ((\window) / 4)
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.endm
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test retw
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set_vector window_underflow_4, 0
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set_vector window_underflow_8, 0
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set_vector window_underflow_12, 0
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retw_test 4
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retw_test 8
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retw_test 12
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test_end
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test movsp
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set_vector kernel, 2f
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reset_window 1
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reset_ps
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1:
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movsp a2, a3
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test_fail
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2:
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rsr a2, exccause
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assert eqi, a2, 5
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rsr a2, epc1
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movi a3, 1b
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assert eq, a2, a3
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set_vector kernel, 0
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reset_window 0x81
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reset_ps
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movsp a2, a3
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test_end
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test rotw
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reset_window 0x4b
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reset_ps
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movi a3, 0x10
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rotw 1
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rsr a2, windowbase
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assert eqi, a2, 1
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movi a3, 0x11
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movi a7, 0x12
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rotw 2
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rsr a2, windowbase
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assert eqi, a2, 3
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movi a3, 0x13
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movi a7, 0x14
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movi a11, 0x15
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rotw 3
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rsr a2, windowbase
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assert eqi, a2, 6
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movi a3, 0x16
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movi a7, 0x17
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movi a2, 0x44
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wsr a2, windowstart
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rsync
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movi a2, 0x10
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assert eq, a2, a11
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movi a11, 0x18
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movi a2, 0x11
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assert eq, a2, a15
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movi a15, 0x19
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rotw 4
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movi a2, 0x12
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assert eq, a2, a3
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movi a2, 0x13
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assert eq, a2, a7
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movi a2, 0x14
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assert eq, a2, a11
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movi a2, 0x15
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assert eq, a2, a15
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movi a2, 0x5
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wsr a2, windowstart
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rsync
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rotw -2
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movi a2, 0x18
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assert eq, a2, a3
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movi a2, 0x19
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assert eq, a2, a7
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test_end
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.macro callw_test window
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call\window 2f
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1:
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test_fail
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.align 4
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2:
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rsr a2, windowbase
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assert eqi, a2, 0
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rsr a2, ps
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movi a3, 0x4000f | ((\window) << 14)
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assert eq, a2, a3
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movi a2, 1b
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slli a2, a2, 2
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ssai 2
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movi a3, (\window) / 4
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src a2, a3, a2
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assert eq, a2, a\window
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.endm
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test callw
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reset_window 0x1
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reset_ps
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callw_test 4
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callw_test 8
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callw_test 12
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test_end
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.macro entry_test window
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reset_window 0x1
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reset_ps
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movi a2, 0x4000f | ((\window) << 14)
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wsr a2, ps
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isync
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movi a3, 0x12345678
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j 1f
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.align 4
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1:
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entry a3, 0x5678
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movi a2, 0x12340000
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assert eq, a2, a3
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rsr a2, windowbase
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assert eqi, a2, (\window) / 4
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rsr a2, windowstart
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movi a3, 1 | (1 << ((\window) / 4))
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assert eq, a2, a3
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rotw -(\window) / 4
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.endm
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test entry
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entry_test 4
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entry_test 8
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entry_test 12
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test_end
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.macro entry_overflow_test window, free, next_window
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set_vector window_overflow_4, 0
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set_vector window_overflow_8, 0
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set_vector window_overflow_12, 0
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set_vector window_overflow_\next_window, 10f
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movi a2, \window
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movi a2, \free
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movi a2, \next_window
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reset_window %(1 | ((1 | (1 << ((\next_window) / 4))) << ((\free) / 4)))
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reset_ps
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movi a2, 0x4000f | ((\window) << 14)
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wsr a2, ps
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isync
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movi a3, 0x12345678
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j 1f
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.align 4
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1:
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entry a3, 0x5678
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test_fail
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.align 4
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10:
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rsr a2, epc1
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movi a3, 1b
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assert eq, a2, a3
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movi a2, 2f
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wsr a2, epc1
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rsr a2, windowbase
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movi a3, (\free) / 4
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assert eq, a2, a3
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rfwo
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2:
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.endm
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.macro all_entry_overflow_tests
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.irp window, 4, 8, 12
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.irp next_window, 4, 8, 12
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.irp free, 4, 8, 12
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.if \free <= \window
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entry_overflow_test \window, \free, \next_window
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.endif
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.endr
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.endr
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.endr
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.endm
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test entry_overflow
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all_entry_overflow_tests
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test_end
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test_suite_end
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