FreeCalypso > hg > freecalypso-sw
comparison target-utils/c139-lldbg/entry.S @ 955:d7830aee0d35
c139-lldbg hack concocted
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Wed, 04 Nov 2015 20:34:12 +0000 |
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954:d25d73815817 | 955:d7830aee0d35 |
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1 .text | |
2 .globl _entry | |
3 _entry: | |
4 .code 16 | |
5 bx pc | |
6 nop | |
7 | |
8 .code 32 | |
9 stmfd sp!, {r0-r12,lr} | |
10 mrs r0, CPSR | |
11 mov r1, sp | |
12 /* supervisor mode, disable all interrupts */ | |
13 msr CPSR_c, #0xd3 | |
14 ldr sp, =stack_bottom | |
15 /* save entry SP and CPSR */ | |
16 ldr r2, =lldbg_entry_cpsr | |
17 str r0, [r2] | |
18 ldr r2, =lldbg_entry_sp | |
19 str r1, [r2] | |
20 b main |