From 8dfee8d66e6099d45712efcd2a7cbc645ae5641e Mon Sep 17 00:00:00 2001
From: Marco Melletti <mellotanica@hotmail.it>
Date: Thu, 27 Nov 2014 17:42:43 +0100
Subject: [PATCH] + user mode programs init files

---
 facilities/crti.o | Bin 0 -> 716 bytes
 facilities/crti.s |  37 +++++++++++++++++++++++++++++++++++++
 qarm.pro          |   4 +++-
 3 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 facilities/crti.o
 create mode 100644 facilities/crti.s

diff --git a/facilities/crti.o b/facilities/crti.o
new file mode 100644
index 0000000000000000000000000000000000000000..313e528f673d0fcdafdd4f7d3e089dfa3e7d34fd
GIT binary patch
literal 716
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zqKEJRy+UhOZo~^%XPQj3An3sSH}B8;FEe?logOQtAfZsfHv^vIM)q)y6%>$zGpbMQ
zVQ;!R9E?9_v$vJeU~CT`r_QK1DPr)N2i~h2^g#RC3!n;A=2Tw6jqbZfdxR#8@k*-D
z@3_XlGjK1p(Qv&ef?I9WU2RMlc(=xn;z|B-?vjRg$R%2yy`0nxnWWw#<k=)%mH?U^
z%ar_{b<Fn?ZV_^v$B>@#zxL^d^?&IOV$F>huwO|Cq4=#+EneL2P#$rSgy<M)^fXFD
z`ov@x-ov5fU4QyLk#2|XB*ahnZ)l~{#a(N`k^M7sMKOK+F<VP(E*8IHAq(D9!lC}A
k5JH|Cty-gga#n5Cniox!HQMdS=+L06gKKKrl-soI7spyZdH?_b

literal 0
HcmV?d00001

diff --git a/facilities/crti.s b/facilities/crti.s
new file mode 100644
index 0000000..e714fa4
--- /dev/null
+++ b/facilities/crti.s
@@ -0,0 +1,37 @@
+	#this constant has to be set to a kernel-specific value
+	.equ	TERMINATESYS,	18
+
+
+	# remember that $sp has to be set by kernel too
+	
+ 	# useful constants
+	
+	# This is the standard __start function for generic program 
+	# activation: it loads r15 with starting address and
+	# at main() function return calls kernel TERMINATE service  
+	# (a SYSCALL with r0 == TERMINATE)
+
+	.text
+	.global	__start
+	.extern main
+
+__start:
+	# $sp has to be set to correct value by kernel 
+
+	SUB sp, sp, #16
+	STR fp, [sp], #12
+	MOV fp, sp
+
+	B	main
+
+	MOV sp, fp
+	LDR fp, [sp], #12
+	ADD sp, sp, #16
+
+	# calls kernel TERMINATE service
+
+	MOV r0, #TERMINATESYS
+
+	SWI 8
+
+
diff --git a/qarm.pro b/qarm.pro
index 58fd99a..0a30d25 100644
--- a/qarm.pro
+++ b/qarm.pro
@@ -140,4 +140,6 @@ OTHER_FILES += \
     icons/window_default-48.png \
     icons/poweron.png \
     install.sh \
-    default/uarm
+    default/uarm \
+    facilities/crti.o \
+    facilities/crti.s