FreeCalypso > hg > freecalypso-citrine
view lldbg/entry.S @ 44:70c9bb37bd74
configs/fcdev3b-std: DISABLE_SLEEP=1 for the current state of the hw
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 09 Sep 2017 16:23:19 +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