URL https://opencores.org/ocsvn/eco32/eco32/trunk

Subversion Repositories eco32

[/] [eco32/] [trunk/] [monitor/] [monitor/] [boards/] [xsa-xst-3/] [start.s] - Diff between revs 63 and 64

Rev 63	Rev 64
Line 163...	Line 163...
`start:`	`start:`
`; let irq/exc vectors point to RAM`	`; let irq/exc vectors point to RAM`
`add $8,$0,V`	`add $8,$0,V`
`mvts $8,PSW`	`mvts $8,PSW`

`; disable flash ROM, enable SPI bus`
`; add $8,$0,BIO_OUT`
`; add $9,$0,SPI_EN`
`; stw $9,$8,0`

`; initialize TLB`	`; initialize TLB`
`mvts $0,TLB_ENTRY_LO ; invalidate all TLB entries`	`mvts $0,TLB_ENTRY_LO ; invalidate all TLB entries`
`add $8,$0,dmapaddr ; by impossible virtual page number`	`add $8,$0,dmapaddr ; by impossible virtual page number`
`add $9,$0,$0`	`add $9,$0,$0`
`add $10,$0,TLB_ENTRIES`	`add $10,$0,TLB_ENTRIES`