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📁 Clock gating logic for LEON3 processor.
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#define MCFG1 0x10380233#define MCFG2 0xe6A06e60#define MCFG3 0x000ff000#define ASDCFG 0xfff00100#define DSDCFG 0xe6A06e60#define L2MCTRLIO 0x80000000#define IRQCTRL   0x80000200#define RAMSTART  0x40000000#define RAMSIZE   0x00100000#define STACKSIZE 0x00002000		.seg	"text"	.proc	0	.align	4	.global startstart:	flush	set 0x10e0, %g1		! init IU	mov %g1, %psr	mov %g0, %wim	mov %g0, %tbr	mov %g0, %y	nop	set  0x81000f, %g1	sta %g1, [%g0] 2/*	set 0x80000200, %g3	st  %g0, [%g3+0]	st  %g0, [%g3+4]	st  %g0, [%g3+8]	st  %g0, [%g3+0xC]	set -1, %g2	st  %g2, [%g3+0x40]	st  %g2, [%g3+0x44]	set 0x80000300, %g3	set 15, %g2	st  %g2, [%g3+0]	st  %g2, [%g3+4]	st  %g2, [%g3+0x10]	st  %g2, [%g3+0x14]	st  %g2, [%g3+0x18]	mov %g0, %asr19*/2:	mov %asr17, %g3	and %g3, 0x1f, %g3	mov %g0, %g4	mov %g0, %g5	mov %g0, %g6	mov %g0, %g71:	mov %g0, %l0	mov %g0, %l1	mov %g0, %l2	mov %g0, %l3	mov %g0, %l4	mov %g0, %l5	mov %g0, %l6	mov %g0, %l7	mov %g0, %o0	mov %g0, %o1	mov %g0, %o2	mov %g0, %o3	mov %g0, %o4	mov %g0, %o5	mov %g0, %o6	mov %g0, %o7	subcc %g3, 1, %g3	bge 1b	save	mov	2, %g1	mov	%g1, %wim	set 0x10e0, %g1		! enable traps	mov %g1, %psr	nop; nop; nop;	mov %asr17, %g3	srl %g3, 28, %g3	andcc %g3, 0x0f, %g3	bne 1f	set L2MCTRLIO, %g1	set MCFG1, %g2	st  %g2, [%g1]	set MCFG2, %g2	st  %g2, [%g1+4]	set MCFG3, %g2	st  %g2, [%g1+8]!	set IRQCTRL, %g1!	set 0x0ffff, %g2!	st  %g2, [%g1+0x10]	set 0xFFFFF860, %g1	ld  [%g1], %g2	srl %g2, 12, %g2	set 0x01009, %g1	subcc %g1, %g2, %g0	bne 1f	set ASDCFG, %g1	set DSDCFG, %g2	st  %g2, [%g1]	! %g3 = cpu index1:	set STACKSIZE, %g2        mov %g0, %g12:	subcc %g3, 0, %g0	be 3f	nop										add %g1, %g2, %g1	ba 2b	sub %g3, 1, %g3						3:	set RAMSTART+ RAMSIZE-32, %fp	sub %fp, %g1, %fp	sub %fp, 96, %sp	set RAMSTART, %g1	jmp %g1	nop	.align	32

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