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

Subversion Repositories plasma

[/] [plasma/] [trunk/] [tools/] [opcodes.asm] - Diff between revs 194 and 200

Rev 194	Rev 200
Line 18...	Line 18...
`.globl entry`	`.globl entry`
`.ent entry`	`.ent entry`
`entry:`	`entry:`
`.set noreorder`	`.set noreorder`

`#These four instructions must be the first instructions`	`la $gp, _gp #initialize stack pointer`
`#convert.exe will correctly initialize $gp`	`la $4, __bss_start #$4 = .sbss_start`
`lui $gp,0`	`la $5, _end #$5 = .bss_end`
`ori $gp,$gp,0`	`nop #no stack needed`
`#convert.exe will set $4=.sbss_start $5=.bss_end`	`nop`
`lui $4,0`
`ori $4,$4,0`
`lui $5,0`
`ori $5,$5,0`
`lui $sp,0`
`ori $sp,$sp,0xfff0`

`b StartTest`	`b StartTest`
`nop #nops required to place ISR at 0x3c`	`nop #nops required to place ISR at 0x3c`
`nop`	`nop`