FreeCalypso > hg > freecalypso-sw

annotate target-utils/env/crt0.S @ 504:7b2ceea92a2e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
osx.c: osx_alloc_prim() done
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 01 Jul 2014 19:08:20 +0000
parents 40f607bb0a2c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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