Rename ms1 files to mt files (part 1 -- renames only)

1 files changed, 63 insertions, 0 deletions

diff --git a/libgloss/mt/crt0.S b/libgloss/mt/crt0.S
new file mode 100644
index 000000000..276124f5c
--- /dev/null
+++ b/libgloss/mt/crt0.S
@@ -0,0 +1,63 @@
+# Startup Code for the Morpho ms1
+
+# Create a label for the start of the eh_frame section.
+	.section .eh_frame
+__eh_frame_begin:
+
+	.section .text
+	.global	_start
+_start:
+	
+	;; Initialise the stack pointer
+	ldui	sp, #%hi16(__stack)
+	addui	sp, sp, #%lo16(__stack)
+	or	fp, sp, sp
+
+	;; Zero the data space
+	ldui	r9, #%hi16(_edata)
+	addui	r9, r9, #%lo16(_edata)
+	ldui	r10, #%hi16(_end)
+	addui	r10, r10, #%lo16(_end)
+	addi	r5,  r0, #0
+
+.L0:	
+	stw	r5, r9, #0
+	addi	r9, r9, #4
+	or	r0, r0, r0	; nop
+	brle	r9, r10, .L0
+	or	r0, r0, r0	; nop
+
+	;; Call global and static constructors
+	ldui	r10, #%hi16(_init)
+	addui	r10, r10, #%lo16(_init)
+	or	r0, r0, r0	; nop
+	jal	r14, r10
+	or	r0, r0, r0	; nop
+	;;  Setup destructors to be called from exit.
+	;;  (Just in case main never returns....)
+	ldui	r10, #%hi16(atexit)
+	addui	r10, r10, #%lo16(atexit)
+	ldui	r1, #%hi16(_fini)
+	addui	r1, r1, #%lo16(_fini)
+	or	r0, r0, r0	; nop
+	jal	r14, r10
+	or	r0, r0, r0	; nop
+
+	;;  Initialise argc, argv and envp to empty
+	addi	r1, r0, #0
+	addi	r2, r0, #0
+	addi	r3, r0, #0
+
+	;; Call main
+	ldui	r10, #%hi16(main)
+	addui	r10, r10, #%lo16(main)
+	or	r0, r0, r0	; nop
+	jal	r14, r10
+	or	r0, r0, r0	; nop
+
+	;; Jump to exit
+	ldui	r10, #%hi16(exit)
+	addui	r10, r10, #%lo16(exit)
+	or	r0, r0, r0	; nop
+	jal	r14, r10
+	or	r0, r0, r0	; nop