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[/] [eco32/] [tags/] [eco32-0.24/] [hwtests/] [memtest1/] [memtest1.s] - Rev 248
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; ; memtest1.s -- memory test ; ; $2 temporary ; $3 tbl address ; $4 mem address ; $7 character to output ; $8 I/O base ; $10 reference value .set mem_base,0xC0000000 .set io_base,0xF0300000 ; ; write memory (words) ; wwrite: add $4,$0,mem_base add $3,$0,tbl ldw $2,$3,0 stw $2,$4,0 add $7,$0,'.' jal out ldw $2,$3,4 stw $2,$4,4 add $7,$0,'.' jal out ldw $2,$3,8 stw $2,$4,8 add $7,$0,'.' jal out ldw $2,$3,12 stw $2,$4,12 add $7,$0,'.' jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; read memory (words) ; wread0: ldw $10,$3,0 ldw $2,$4,0 bne $10,$2,wread0n add $7,$0,'.' jal out j wread1 wread0n: add $7,$0,'?' jal out wread1: ldw $10,$3,4 ldw $2,$4,4 bne $10,$2,wread1n add $7,$0,'.' jal out j wread2 wread1n: add $7,$0,'?' jal out wread2: ldw $10,$3,8 ldw $2,$4,8 bne $10,$2,wread2n add $7,$0,'.' jal out j wread3 wread2n: add $7,$0,'?' jal out wread3: ldw $10,$3,12 ldw $2,$4,12 bne $10,$2,wread3n add $7,$0,'.' jal out j wread4 wread3n: add $7,$0,'?' jal out wread4: add $7,$0,0x0D jal out add $7,$0,0x0A jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; write memory (halfwords) ; hwrite: add $4,$0,mem_base add $3,$0,tbl ldhu $2,$3,16 sth $2,$4,16 add $7,$0,'.' jal out ldhu $2,$3,18 sth $2,$4,18 add $7,$0,'.' jal out ldhu $2,$3,20 sth $2,$4,20 add $7,$0,'.' jal out ldhu $2,$3,22 sth $2,$4,22 add $7,$0,'.' jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; read memory (halfwords) ; hread0: ldhu $10,$3,16 ldhu $2,$4,16 bne $10,$2,hread0n add $7,$0,'.' jal out j hread1 hread0n: add $7,$0,'?' jal out hread1: ldhu $10,$3,18 ldhu $2,$4,18 bne $10,$2,hread1n add $7,$0,'.' jal out j hread2 hread1n: add $7,$0,'?' jal out hread2: ldhu $10,$3,20 ldhu $2,$4,20 bne $10,$2,hread2n add $7,$0,'.' jal out j hread3 hread2n: add $7,$0,'?' jal out hread3: ldhu $10,$3,22 ldhu $2,$4,22 bne $10,$2,hread3n add $7,$0,'.' jal out j hread4 hread3n: add $7,$0,'?' jal out hread4: add $7,$0,0x0D jal out add $7,$0,0x0A jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; write memory (bytes) ; bwrite: add $4,$0,mem_base add $3,$0,tbl ldbu $2,$3,32 stb $2,$4,32 add $7,$0,'.' jal out ldbu $2,$3,33 stb $2,$4,33 add $7,$0,'.' jal out ldbu $2,$3,34 stb $2,$4,34 add $7,$0,'.' jal out ldbu $2,$3,35 stb $2,$4,35 add $7,$0,'.' jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; read memory (bytes) ; bread0: ldbu $10,$3,32 ldbu $2,$4,32 bne $10,$2,bread0n add $7,$0,'.' jal out j bread1 bread0n: add $7,$0,'?' jal out bread1: ldbu $10,$3,33 ldbu $2,$4,33 bne $10,$2,bread1n add $7,$0,'.' jal out j bread2 bread1n: add $7,$0,'?' jal out bread2: ldbu $10,$3,34 ldbu $2,$4,34 bne $10,$2,bread2n add $7,$0,'.' jal out j bread3 bread2n: add $7,$0,'?' jal out bread3: ldbu $10,$3,35 ldbu $2,$4,35 bne $10,$2,bread3n add $7,$0,'.' jal out j bread4 bread3n: add $7,$0,'?' jal out bread4: add $7,$0,0x0D jal out add $7,$0,0x0A jal out add $7,$0,0x0D jal out add $7,$0,0x0A jal out ; ; finally, halt ; halt: j halt ; ; output on terminal ; out: add $8,$0,io_base out1: ldw $9,$8,8 and $9,$9,1 beq $9,$0,out1 stw $7,$8,12 jr $31 ; ; table of random values ; .align 4 tbl: .byte 0x45,0x23,0x98,0x48,0xDC,0x5C,0x94,0x58 .byte 0x1F,0x7C,0x58,0xD7,0x41,0x1E,0xA9,0xE1 .byte 0x00,0x62,0x08,0x27,0x23,0xE9,0xCD,0x43 .byte 0x0F,0x25,0xF9,0x72,0xC2,0xD7,0xC4,0x07 .byte 0xFB,0x5D,0x50,0xD7,0xBA,0xE4,0x30,0xD9 .byte 0x61,0x89,0xB1,0xA3,0xA8,0x5A,0x84,0xA8 .byte 0xBD,0x8C,0xD0,0xE0,0x76,0x9E,0x24,0x86 .byte 0xC4,0x1D,0xF8,0x86,0xF5,0xBD,0x8D,0xF0 .byte 0x1A,0xDD,0xC8,0xD4,0xC2,0xF8,0xAD,0x23 .byte 0x82,0x5F,0xC6,0x2A,0xB9,0x4A,0xD3,0x77 .byte 0xD7,0xA4,0x58,0x4E,0x42,0x7C,0xD4,0x06 .byte 0x9A,0xCC,0x8D,0x8F,0x89,0x1B,0x7F,0xA4 .byte 0xF9,0x48,0x78,0xBB,0x40,0x26,0xDE,0xC3 .byte 0x85,0xA5,0xED,0x3F,0xF0,0xC1,0xB7,0xC7 .byte 0x65,0x0F,0x15,0xA8,0x8C,0xE9,0xAF,0x26 .byte 0xB6,0x3C,0xB6,0x40,0x57,0x35,0xE4,0x50 .byte 0x7E,0x5D,0x0B,0xBF,0x84,0xEA,0x82,0x0A .byte 0x8F,0x70,0x4A,0x7F,0x31,0x02,0x47,0x96 .byte 0x12,0x5D,0x3F,0x9E,0x47,0xEE,0xC5,0xFD .byte 0x2B,0x7B,0x3E,0x82,0xB1,0x23,0xD3,0x2F .byte 0x81,0xDF,0xEE,0x06,0xCA,0x70,0x11,0x59 .byte 0xE0,0x5B,0xD9,0x11,0x5E,0x21,0xA8,0x70 .byte 0x7E,0xE7,0x0E,0xC5,0xD6,0xD4,0xC3,0x01 .byte 0x4F,0x01,0x84,0x01,0x24,0x57,0x30,0xA5 .byte 0x37,0x1E,0xAC,0x01,0x8F,0xBD,0x5A,0x70 .byte 0x18,0x34,0x82,0x77,0x55,0x2A,0xE7,0xD3 .byte 0x12,0xF6,0x99,0xE8,0xCA,0x5C,0xEA,0x1A .byte 0x5D,0x6E,0x1B,0x82,0xC5,0x4B,0x28,0xFD .byte 0x6A,0xD4,0xFE,0xFA,0x91,0x59,0x6A,0xAA .byte 0x8D,0xEC,0x21,0xE3,0x17,0x09,0xB7,0x29 .byte 0xFF,0x50,0x12,0xC9,0xAC,0xFC,0xE3,0x0A .byte 0x6B,0xFF,0x8D,0x31,0x4A,0xB5,0x2E,0xB5 .byte 0x8A augment: .byte 0x45,0x23,0x98
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