FreeCalypso > hg > freecalypso-citrine

view lldbg/entry.S @ 36:3362a76ab432

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/TCH-special-feature: outdated info removed, added referral to the TCH-bit-access write-up in the freecalypso-tools tree
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 Oct 2016 06:03:45 +0000
parents 75a11d740a02
children
line wrap: on
line source

	.section "ext.ram","aw",%nobits
	.balign  4
	.globl	lldbg_stack
lldbg_stack:
	.space	2048
lldbg_init_sp:

	.text
	.code	32
	.globl	lldbg_entry
lldbg_entry:
	stmfd	sp!, {r0-r12,lr}
	mrs	r0, CPSR
	mov	r1, sp
	/* supervisor mode, disable all interrupts */
	msr	CPSR_c, #0xd3
	ldr	sp, =lldbg_init_sp
	/* save entry SP and CPSR */
	ldr	r2, =lldbg_entry_cpsr
	str	r0, [r2]
	ldr	r2, =lldbg_entry_sp
	str	r1, [r2]
	b	lldbg_main