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

Subversion Repositories eco32

[/] [eco32/] [trunk/] [stdalone/] [mkpart/] [mkmboot/] [stage2/] [c0.s] - Diff between revs 18 and 106

Rev 18	Rev 106
Line 13...	Line 13...
`.export _bbss`	`.export _bbss`

`.import bootDisk`	`.import bootDisk`
`.import startSector`	`.import startSector`
`.import numSectors`	`.import numSectors`
	`.import entryPoint`

`.code`	`.code`
`_bcode:`	`_bcode:`

`start:`	`start:`
Line 38...	Line 39...
`clrloop:`	`clrloop:`
`stw $0,$8,0`	`stw $0,$8,0`
`add $8,$8,4`	`add $8,$8,4`
`clrtest:`	`clrtest:`
`bltu $8,$9,clrloop`	`bltu $8,$9,clrloop`
`add $29,$0,0xC0100000 ; setup stack`	`add $29,$0,0xC0020000 ; setup stack`
`stw $16,$0,bootDisk ; make arguments available`	`stw $16,$0,bootDisk ; make arguments available`
`stw $17,$0,startSector`	`stw $17,$0,startSector`
`stw $18,$0,numSectors`	`stw $18,$0,numSectors`
`jal main ; call 'main' function`	`jal main ; call 'main' function`
`ldw $16,$0,bootDisk ; setup arguments for next stage`	`ldw $16,$0,bootDisk ; setup arguments for next stage`
`ldw $17,$0,startSector`	`ldw $17,$0,startSector`
`ldw $18,$0,numSectors`	`ldw $18,$0,numSectors`
`add $31,$0,0xC0000000 ; jump to loaded program`	`ldw $31,$0,entryPoint ; jump to loaded program`
`jr $31`	`jr $31`

`.data`	`.data`
`_bdata:`	`_bdata:`