FreeCalypso > hg > freecalypso-sw
annotate target-utils/env/crt0.S @ 344:c51d6b3748c3
OSL: os_SuspendTask() done
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Sat, 03 May 2014 19:20:05 +0000 |
parents | 40f607bb0a2c |
children |
rev | line source |
---|---|
2
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
1 #include "halt.h" |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
2 |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
3 .text |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
4 .code 32 |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
5 .global _entry |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
6 _entry: |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
7 ldr sp, =stack_bottom |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
8 @ zero bss |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
9 ldr r0, =__bss_start |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
10 ldr r2, =__bss_end |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
11 sub r1, r2, r0 |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
12 bl bzero |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
13 @ C code entry |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
14 bl main |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
15 mov r0, #HALTCODE_MAINEXITED |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
16 .global _exit |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
17 _exit: nop |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
18 1: nop |
ddda170fa6f4
loadagent.elf compiled and linked, no printf yet
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
19 b 1b |