X-Git-Url: https://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=second%2Fcrt0.S;fp=second%2Fcrt0.S;h=f06fe544fabd7dfe1dacca47971b97cac7276d71;hp=0000000000000000000000000000000000000000;hb=f4ebbd9f7ea23e3f0fcbe098754580c220894628;hpb=f42aaadb5c8c5f7f15e5159cbc251e64e1a4ac8f

diff --git a/second/crt0.S b/second/crt0.S
new file mode 100644
index 0000000..f06fe54
--- /dev/null
+++ b/second/crt0.S
@@ -0,0 +1,32 @@
+#include "asm/ppc_asm.tmpl"
+#include "asm/processor.h"
+
+/*
+ * Main entry point. should add code to clear BSS and more ...
+ */
+_GLOBAL(_start)
+	lis	r10,edata@h
+	ori	r10,r10,edata@l
+	lis	r11,end@h
+	ori	r11,r11,end@l
+	subi	r10,r10,4
+	subi	r11,r11,4
+	li	r0, 0
+1:	stwu	r0,4(r10)
+	cmp	0,r10,r11
+	bne	1b
+	b	yaboot_start
+
+/*
+ * Returns (address we're running at) - (address we were linked at)
+ * for use before the text and data are mapped to KERNELBASE.
+ */
+_GLOBAL(reloc_offset)
+	mflr	r0
+	bl	1f
+1:	mflr	r3
+	lis	r4,1b@ha
+	addi	r4,r4,1b@l
+	subf	r3,r4,r3
+	mtlr	r0
+	blr