From 3c7fcfe81aca123a8e1e9ab1955765c6f4244862 Mon Sep 17 00:00:00 2001
From: keie <none@none>
Date: Thu, 7 Feb 1985 17:43:43 +0000
Subject: [PATCH] Initial revision

---
 mach/m68k4/libem/LIST       | 37 +++++++++++++++++++++++
 mach/m68k4/libem/sys1.s     | 58 +++++++++++++++++++++++++++++++++++
 mach/m68k4/libem/sys2.s     |  7 +++++
 mach/pmds4/libsys/head_em.s | 60 +++++++++++++++++++++++++++++++++++++
 4 files changed, 162 insertions(+)
 create mode 100644 mach/m68k4/libem/LIST
 create mode 100644 mach/m68k4/libem/sys1.s
 create mode 100644 mach/m68k4/libem/sys2.s
 create mode 100644 mach/pmds4/libsys/head_em.s

diff --git a/mach/m68k4/libem/LIST b/mach/m68k4/libem/LIST
new file mode 100644
index 000000000..badaa4371
--- /dev/null
+++ b/mach/m68k4/libem/LIST
@@ -0,0 +1,37 @@
+tail_em.rt
+ari.s
+ara.s
+cvf.s
+cii.s
+cmi.s
+cmp.s
+cmu.s
+csa.s
+csb.s
+cuu.s
+exg.s
+inn.s
+lfr.s
+los.s
+rck.s
+ret.s
+set.s
+sts.s
+nop.s
+mon.s
+dvi.s
+mli.s
+mlu.s
+shp.s
+sig.s
+cms.s
+aciaio.s
+fat.s
+trp.s
+dia.s
+printf.s
+dvu.s
+trp.s
+sav.s
+dia.s
+printf.s
diff --git a/mach/m68k4/libem/sys1.s b/mach/m68k4/libem/sys1.s
new file mode 100644
index 000000000..99cd63043
--- /dev/null
+++ b/mach/m68k4/libem/sys1.s
@@ -0,0 +1,58 @@
+.extern _errno
+.data
+_errno:
+.extern _lseek
+.short	0
+.text
+_lseek:
+link	a6,#-0
+.data
+_13:
+.short	29561
+.short	29489
+.short	11875
+.short	0
+.text
+move.l #_13,.filn
+move.w #8,.lino
+move.w #0,-(sp)
+move.w #0,-(sp)
+move.l (sp)+,d0
+unlk a6
+rts
+.extern _close
+_close:
+link	a6,#-0
+move.l #_13,.filn
+move.w #12,.lino
+move.w #0,-(sp)
+move.w (sp)+,d0
+unlk a6
+rts
+.extern _ioctl
+_ioctl:
+link	a6,#-0
+move.l #_13,.filn
+move.w #18,.lino
+move.w #0,-(sp)
+move.w (sp)+,d0
+unlk a6
+rts
+.extern _read
+_read:
+link	a6,#-0
+move.l #_13,.filn
+move.w #24,.lino
+move.w #-1,-(sp)
+move.w (sp)+,d0
+unlk a6
+rts
+.extern _open
+_open:
+link	a6,#-0
+move.l #_13,.filn
+move.w #30,.lino
+move.w #-1,-(sp)
+move.w (sp)+,d0
+unlk a6
+rts
diff --git a/mach/m68k4/libem/sys2.s b/mach/m68k4/libem/sys2.s
new file mode 100644
index 000000000..fce0ee6e0
--- /dev/null
+++ b/mach/m68k4/libem/sys2.s
@@ -0,0 +1,7 @@
+.extern _exit
+! Fake system call for 68000 running MACSBUG
+
+.text
+
+_exit:
+	jmp 0x0200f6
diff --git a/mach/pmds4/libsys/head_em.s b/mach/pmds4/libsys/head_em.s
new file mode 100644
index 000000000..f44498c8e
--- /dev/null
+++ b/mach/pmds4/libsys/head_em.s
@@ -0,0 +1,60 @@
+.define	CERASE,CKILL,CSTOP,CSTART
+.define .lino,.filn
+
+.define F_DUM,EXIT
+
+.define	begtext,begdata,begbss
+.define	EARRAY,ERANGE,ESET,EIDIVZ,EHEAP,EILLINS,ECASE
+.define	hol0,.reghp,.limhp,.trpim,.trppc
+.define	LINO_AD,FILN_AD
+
+
+CERASE	= 010
+CKILL	= 030
+CSTART	= 021
+CSTOP	= 023
+F_DUM	= 0
+
+
+LINO_AD	= 0
+FILN_AD	= 4
+
+EARRAY	= 0
+ERANGE	= 1
+ESET	= 2
+EIDIVZ	= 6
+EHEAP	= 17
+EILLINS	= 18
+ECASE	= 20
+
+	.text
+begtext:
+	pea	endbss
+	jsr	_brk
+	add.l	#4,sp
+	jsr	_m_a_i_n
+	add	#012,sp
+EXIT:
+
+	jsr __exit
+	
+
+	.data
+begdata:
+hol0:
+.lino:
+	.long	0	! lino
+.filn:
+	.long	0	! filn
+.reghp:
+	.long	endbss
+.limhp:
+	.long	endbss
+.trppc:
+	.long	0
+.trpim:
+	.long	0	! was short
+
+
+	.bss
+begbss: