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68 lines
974 B
68 lines
974 B
18 years ago
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#define WMEM(STARTDATA,DECDATA) \
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li t0, 0xa0000000+1*1024*1024; \
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li t1, 0xa0000000; \
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li t2, STARTDATA; \
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1: \
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sw t2, 0(t1); \
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subu t2, DECDATA; \
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addu t1, 4; \
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bne t1, t0, 1b; \
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nop;
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#define TMEM(STARTDATA,DECDATA) \
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li t0, 0xa0000000+1*1024*1024; \
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li t1, 0xa0000000; \
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li t2, STARTDATA; \
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1: \
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lw t3, 0(t1); \
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beq t3, t2,11f; \
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nop; \
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bal reporterr; \
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nop; \
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11: \
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subu t2, DECDATA; \
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addu t1, 4; \
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beq t1, t0, 3f; \
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nop; \
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and t4, t1, 0x0000ffff; \
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bnez t4, 12f; \
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nop; \
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li a0, '.'; \
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bal tgt_putchar; \
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nop; \
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12: \
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b 1b; \
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nop; \
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3: \
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nop;
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TTYDBG("Testing memory now\r\n")
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WMEM(0xffffffff,0);
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TMEM(0xffffffff,0);
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WMEM(0,0);
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TMEM(0,0);
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TTYDBG("\r\nTesting ok\r\n");
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1:
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b 1b
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nop
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LEAF(reporterr)
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move t6,ra
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TTYDBG("\r\nMemory test failed at ");
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move a0, t1
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bal hexserial
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nop
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TTYDBG("\r\nWrite=");
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move a0, t2
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bal hexserial
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nop
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TTYDBG("\r\nRead =");
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move a0, t3
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bal hexserial
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nop
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jr t6
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nop
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END(reporterr)
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