scummvm/backends/platform/dc/cache.S


	.globl	_flush_instruction_cache

	.align 2

	! Flush the SH instruction cache

_flush_instruction_cache:
	mova	fcc,r0
	mov.l	p2_mask,r1
	or	r1,r0
	jmp	@r0
	nop
	nop
fcc:
	mov.l	ccr_addr,r0
	mov.l	ccr_data,r1
	mov.l	r1,@r0
	nop
	nop
	nop
	nop
	nop
	nop
	nop
	nop
	rts
	nop

	.align	2

p2_mask:
	.long	0xa0000000
ccr_addr:
	.long	0xff00001c
ccr_data:
	.word	0x0905
Support dynamic plugins on Dreamcast. svn-id: r14689 2004-08-22 21:47:20 +00:00
			`.globl _flush_instruction_cache`
Removed trailing spaces. svn-id: r30664 2008-01-27 19:47:41 +00:00
Support dynamic plugins on Dreamcast. svn-id: r14689 2004-08-22 21:47:20 +00:00			`.align 2`

			`! Flush the SH instruction cache`

			`_flush_instruction_cache:`
			`mova fcc,r0`
			`mov.l p2_mask,r1`
			`or r1,r0`
			`jmp @r0`
			`nop`
			`nop`
			`fcc:`
			`mov.l ccr_addr,r0`
			`mov.l ccr_data,r1`
			`mov.l r1,@r0`
			`nop`
			`nop`
			`nop`
			`nop`
			`nop`
			`nop`
			`nop`
			`nop`
			`rts`
			`nop`

			`.align 2`

			`p2_mask:`
			`.long 0xa0000000`
			`ccr_addr:`
			`.long 0xff00001c`
			`ccr_data:`
			`.word 0x0905`