RTEMS | Mips malta smp foundation (!1153)

Joel Sherrill (@joel) gitlab at rtems.org
Sun Mar 22 11:59:53 UTC 2026




Joel Sherrill started a new discussion on bsps/mips/malta/start/start.S: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1153#note_146744

 > +	bnez	t1, skip_bss		# Agar Core 0 nahi hai (matlab Core 1 hai), toh BSS skip karo!
 > +	nop				# Delay slot
 > +	/* ---------------------------- */
 >  	LA (v0, _fbss)
 >  	LA (v1, _end)
 >  3:
 >  	sw	zero,0(v0)
 >  	bltu	v0,v1,3b
 >  	addiu	v0,v0,4				# executed in delay slot
 > -
 > -	la	t0, _ISR_Stack_area_end # initialize stack so we
 > +skip_bss:				# executed in delay slot
 > +
 > +    /* --- SMP STACK SEPARATION LOGIC --- */
 > +	mfc0	t1, $15, 1		# CP0 Register 15 (EBase) padho
 > +	andi	t1, t1, 0x3FF		# CPU ID nikaalo (0 for Core0, 1 for Core1)

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-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1153#note_146744
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