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67 lines
974 B

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