98 lines
1.6 KiB
ArmAsm
98 lines
1.6 KiB
ArmAsm
#include <asm.h>
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#include <regdef.h>
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#include <inst_test.h>
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LEAF(n65_syscall_ex_test)
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.set noreorder
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addiu s0, s0, 1
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li t0, 0x800d0000
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li s2, 0x01
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sw s2, 0(t0)
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##clear cause.TI, status.EXL
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mtc0 zero, c0_compare
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lui s7,0x0040
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mtc0 s7, c0_status
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nop
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lui s7, 0x0001 #syscall ex, ref return value.
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###test inst
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##1
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la s4, syscall_pc1
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syscall_pc1:
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syscall
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bne s2, s7, inst_error
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nop
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##2
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li s2, 0x01
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la s4, syscall_pc2
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sw t0, 4(t0)
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sw s4, 4(t0)
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syscall_pc2:
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syscall
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sw s4, 0(t0)
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lw t1, 4(t0)
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bne t1, s4, inst_error
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nop
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bne s2, s7, inst_error
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nop
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li s2, 0x01
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sw s2, 0(t0)
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##3
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li s2, 0x01
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la s4, syscall_pc3
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mthi t0
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divu zero, t0, s0
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syscall_pc3:
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syscall
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mfhi t1
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beq t1, t0, inst_error
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nop
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bne s2, s7, inst_error
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nop
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##4
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li s2, 0x01
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la s4, syscall_pc4
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syscall_pc4:
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syscall
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divu zero, s0, t0
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bne s2, s7, inst_error
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nop
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##5
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li s2, 0x01
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la s4, syscall_pc5
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mtlo t0
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multu t0, s0
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syscall_pc5:
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syscall
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mfhi t1
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beq t1, t0, inst_error
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nop
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bne s2, s7, inst_error
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nop
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##6
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li s2, 0x01
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la s4, syscall_pc6
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syscall_pc6:
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syscall
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multu t0, s2
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bne s2, s7, inst_error
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nop
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##7
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li s2, 0x01
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la s4, syscall_pc7
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mtc0 s2, c0_epc
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syscall_pc7:
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syscall
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mtc0 t0, c0_epc
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bne s2, s7, inst_error
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nop
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###score ++
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addiu s3, s3, 1
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###output (s0<<24)|s3
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inst_error:
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sll t1, s0, 24
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or t0, t1, s3
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sw t0, 0(s1)
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jr ra
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nop
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END(n65_syscall_ex_test)
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