mvme68k port by me. some parts by dale rahn.

23 files changed, 468 insertions, 0 deletions

diff --git a/sys/arch/mvme68k/stand/libbug/Makefile b/sys/arch/mvme68k/stand/libbug/Makefile
new file mode 100644
index 00000000000..ba775e5693d
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/Makefile
@@ -0,0 +1,14 @@
+LIB=bug
+
+NOPIC=
+NOPROFILE=
+
+CFLAGS+=-I${.CURDIR}/../../include
+
+SRCS=delay.c diskrd.c diskwr.c getbrdid.c instat.c outln.c outstr.c \
+	return.c rtc_rd.c
+.PATH:    ${.CURDIR}/../../../../lib/libc_sa ${.CURDIR}/${MACHINE_ARCH}
+
+install:
+
+.include <bsd.lib.mk>
diff --git a/sys/arch/mvme68k/stand/libbug/Makefile.inc b/sys/arch/mvme68k/stand/libbug/Makefile.inc
new file mode 100644
index 00000000000..dc1ad6b04c8
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/Makefile.inc
@@ -0,0 +1,12 @@
+LIB_BUG_DIR=${S}/arch/${MACHINE}/stand/libbug
+
+LIBBUG_DIR!= cd ${LIB_BUG_DIR}; \
+     printf "xxx:\n\techo \$${.OBJDIR}\n" | ${MAKE} -r -s -f - xxx
+
+LIBBUG=${LIBBUG_DIR}/libbug.a
+
+$(LIBBUG):	.NOTMAIN __always_make_libbug
+	@echo making sure the libbug is up to date...
+	@(cd ${LIB_BUG_DIR}; ${MAKE})
+
+__always_make_libbug:	.NOTMAIN
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/delay.c b/sys/arch/mvme68k/stand/libbug/m68k/delay.c
new file mode 100644
index 00000000000..a5c1f620084
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/delay.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - timing routine */
+void
+mvmeprom_delay(msec)
+	int msec;
+{
+	asm volatile ("movel %0,sp@-" :  :"d" (msec));
+	MVMEPROM_CALL(MVMEPROM_DELAY);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/diskrd.c b/sys/arch/mvme68k/stand/libbug/m68k/diskrd.c
new file mode 100644
index 00000000000..b0ebde49624
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/diskrd.c
@@ -0,0 +1,19 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskrd(arg)
+	struct mvmeprom_dskio *arg;
+{
+	int ret;
+
+	asm volatile ("movel %0, sp@-"::"d" (arg));
+	MVMEPROM_CALL(MVMEPROM_DSKRD);
+	asm volatile ("movew ccr,%0": "=d" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/diskwr.c b/sys/arch/mvme68k/stand/libbug/m68k/diskwr.c
new file mode 100644
index 00000000000..962b947ccb3
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/diskwr.c
@@ -0,0 +1,19 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskwr(arg)
+	struct mvmeprom_dskio *arg;
+{
+	int ret;
+
+	asm volatile ("movel %0, sp@-"::"d" (arg));
+	MVMEPROM_CALL(MVMEPROM_DSKWR);
+	asm volatile ("movew ccr,%0": "=d" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/getbrdid.c b/sys/arch/mvme68k/stand/libbug/m68k/getbrdid.c
new file mode 100644
index 00000000000..ded49ac3155
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/getbrdid.c
@@ -0,0 +1,18 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - query board routines */
+struct mvmeprom_brdid *
+mvmeprom_getbrdid()
+{
+	struct mvmeprom_brdid *id;
+
+	asm volatile ("clrl sp@-");
+	MVMEPROM_CALL(MVMEPROM_GETBRDID);
+	asm volatile ("movel sp@+,%0": "=d" (id):);
+	return (id);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/instat.c b/sys/arch/mvme68k/stand/libbug/m68k/instat.c
new file mode 100644
index 00000000000..5e2f2d3e69e
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/instat.c
@@ -0,0 +1,17 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0 if no characters ready to read */
+int
+mvmeprom_instat()
+{
+	u_short ret;
+
+	MVMEPROM_CALL(MVMEPROM_INSTAT);
+	asm volatile ("movew ccr,%0": "=d" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/outln.c b/sys/arch/mvme68k/stand/libbug/m68k/outln.c
new file mode 100644
index 00000000000..344f0ed01f1
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/outln.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_outln(start, end)
+	char *start, *end;
+{
+	asm volatile ("movl %0, sp@-" : "=a" (start));
+	asm volatile ("movl %0, sp@-" : "=a" (end));
+	MVMEPROM_CALL(MVMEPROM_OUTSTRCRLF);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/outstr.c b/sys/arch/mvme68k/stand/libbug/m68k/outstr.c
new file mode 100644
index 00000000000..b0a7c9ebc92
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/outstr.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_outstr(start, end)
+	char *start, *end;
+{
+	asm volatile ("movl %0, sp@-" : "=a" (start));
+	asm volatile ("movl %0, sp@-" : "=a" (end));
+	MVMEPROM_CALL(MVMEPROM_OUTSTR);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/return.c b/sys/arch/mvme68k/stand/libbug/m68k/return.c
new file mode 100644
index 00000000000..00206a16c48
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/return.c
@@ -0,0 +1,14 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - return to bug routine */
+void
+mvmeprom_return()
+{
+	MVMEPROM_CALL(MVMEPROM_EXIT);
+	/*NOTREACHED*/
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m68k/rtc_rd.c b/sys/arch/mvme68k/stand/libbug/m68k/rtc_rd.c
new file mode 100644
index 00000000000..7b075c4fd9f
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m68k/rtc_rd.c
@@ -0,0 +1,14 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_rtc_rd(ptime)
+	struct mvmeprom_time *ptime;
+{
+	asm volatile ("movel %0,sp@-" :  :"a" (ptime));
+	MVMEPROM_CALL(MVMEPROM_RTC_RD);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/delay.c b/sys/arch/mvme68k/stand/libbug/m88k/delay.c
new file mode 100644
index 00000000000..68b1db12106
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/delay.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - timing routine */
+void
+mvmeprom_delay(msec)
+	int msec;
+{
+	asm volatile ("or r2,r0,%0": : "r" (msec));
+	MVMEPROM_CALL(MVMEPROM_DELAY);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/diskrd.c b/sys/arch/mvme68k/stand/libbug/m88k/diskrd.c
new file mode 100644
index 00000000000..bc69b365501
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/diskrd.c
@@ -0,0 +1,19 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskrd(arg)
+	struct mvmeprom_dskio *arg;
+{
+	int ret;
+
+	asm volatile ("or r2,r0,%0": : "r" (arg));
+	MVMEPROM_CALL(MVMEPROM_DSKRD);
+	asm volatile ("or %0,r0,r2" :  "=r" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c b/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c
new file mode 100644
index 00000000000..681f521b5b0
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/diskwr.c
@@ -0,0 +1,19 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0: success, nonzero: error */
+int
+mvmeprom_diskwr(arg)
+	struct mvmeprom_dskio *arg;
+{
+	int ret;
+
+	asm volatile ("or r2,r0,%0": : "r" (arg) );
+	MVMEPROM_CALL(MVMEPROM_DSKWR);
+	asm volatile ("or %0,r0,r2" :  "=r" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/getbrdid.c b/sys/arch/mvme68k/stand/libbug/m88k/getbrdid.c
new file mode 100644
index 00000000000..eeda9468ab7
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/getbrdid.c
@@ -0,0 +1,17 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - query board routines */
+struct mvmeprom_brdid *
+mvmeprom_brdid()
+{
+	struct mvmeprom_brdid *id;
+
+	MVMEPROM_CALL(MVMEPROM_GETBRDID);
+	asm volatile ("or %0,r0,r2": "=r" (id):);
+	return (id);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/instat.c b/sys/arch/mvme68k/stand/libbug/m88k/instat.c
new file mode 100644
index 00000000000..0ac97fe7676
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/instat.c
@@ -0,0 +1,17 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* returns 0 if no characters ready to read */
+int
+mvmeprom_instat()
+{
+	short ret;
+
+	MVMEPROM_CALL(MVMEPROM_INSTAT);
+	asm volatile ("or %0,r0,r2" :  "=r" (ret));
+	return (!(ret & 0x4));
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/outch.c b/sys/arch/mvme68k/stand/libbug/m88k/outch.c
new file mode 100644
index 00000000000..78110e0299f
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/outch.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_outchr(a)
+	char a;
+{
+	asm volatile ("or r2, r0, %0" :  :"r" (a));
+	BUG_CALL(_OUTCHR);
+}
+
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/outln.c b/sys/arch/mvme68k/stand/libbug/m88k/outln.c
new file mode 100644
index 00000000000..ed0067e42d9
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/outln.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_outln(start, end)
+	char *start, *end;
+{
+	asm volatile ("or r2,r0,%0": : "r" (start));
+	asm volatile ("or r3,r0,%0": : "r" (end));
+	MVMEPROM_CALL(MVMEPROM_OUTSTRCRLF);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/outstr.c b/sys/arch/mvme68k/stand/libbug/m88k/outstr.c
new file mode 100644
index 00000000000..c9e3c355736
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/outstr.c
@@ -0,0 +1,15 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_outstr(start, end)
+	char *start, *end;
+{
+	asm volatile ("or r2,r0,%0": : "r" (start));
+	asm volatile ("or r3,r0,%0": : "r" (end));
+	MVMEPROM_CALL(MVMEPROM_OUTSTR);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/prom.h b/sys/arch/mvme68k/stand/libbug/m88k/prom.h
new file mode 100644
index 00000000000..4048e86eaff
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/prom.h
@@ -0,0 +1,3 @@
+#define MVMEPROM_CALL(x)	\
+	asm volatile ( __CONCAT("or r9,r0," __STRING(x)) ); \
+	asm volatile ("tb0 0,r0,496");
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/return.c b/sys/arch/mvme68k/stand/libbug/m88k/return.c
new file mode 100644
index 00000000000..00206a16c48
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/return.c
@@ -0,0 +1,14 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+/* BUG - return to bug routine */
+void
+mvmeprom_return()
+{
+	MVMEPROM_CALL(MVMEPROM_EXIT);
+	/*NOTREACHED*/
+}
diff --git a/sys/arch/mvme68k/stand/libbug/m88k/rtc_rd.c b/sys/arch/mvme68k/stand/libbug/m88k/rtc_rd.c
new file mode 100644
index 00000000000..7cff3227678
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/m88k/rtc_rd.c
@@ -0,0 +1,14 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include <sys/types.h>
+#include <machine/prom.h>
+
+void
+mvmeprom_rtc_rd(ptime)
+	struct mvmeprom_time *ptime)
+{
+	asm volatile ("or r2,r0,%0": : "r" (ptime));
+	MVMEPROM_CALL(MVMEPROM_RTC_RD);
+}
diff --git a/sys/arch/mvme68k/stand/libbug/ppc/bug.c b/sys/arch/mvme68k/stand/libbug/ppc/bug.c
new file mode 100644
index 00000000000..02a1b1fd15b
--- /dev/null
+++ b/sys/arch/mvme68k/stand/libbug/ppc/bug.c
@@ -0,0 +1,133 @@
+/*
+ * bug routines -- assumes that the necessary sections of memory
+ * are preserved.
+ */
+#include "bug.h"
+
+#define _INCHR		"0x00"
+#define _INSTAT		"0x01"
+#define _INLN		"0x02"
+#define _READSTR	"0x03"
+#define _READLN		"0x04"
+#define _OUTCHR		"0x20"
+#define _OUTSTR		"0x21"
+#define _OUTLN		"0x22"
+#define _DSKRD		"0x10"
+#define _DSKWR		"0x11"
+#define _DSKCFIG	"0x12"
+#define _DSKFMT		"0x14"
+#define _DSKCTRL	"0x15"
+#define _WRITE		"0x23"
+#define _WRITELN	"0x24"
+#define _DELAY		"0x43"
+#define _RTC_RD		"0x53"
+#define _RETURN		"0x63"
+#define _BRD_ID		"0x70"
+
+/* BUG  -  tty routines */
+
+#define BUG_CALL(x)	\
+	asm volatile ("addi r10,r0," x); \
+	asm volatile ("sc");
+
+char bug_inchr()
+{
+	register char a;
+	asm volatile ("sub r31,r31,4");
+	BUG_CALL(_INCHR);
+	asm volatile ("or %0,r0,r2" :  "=r" (a));
+	return a;
+}
+
+/* returns 0 if no characters ready to read */
+int bug_instat()
+{
+	short ret;
+	BUG_CALL(_INSTAT);
+	asm volatile ("or %0,r0,r2" :  "=r" (ret));
+	return (!(ret & 0x4));
+	
+}
+
+void bug_outchr(char a)
+{
+	asm volatile ("or r2, r0, %0" :  :"r" (a));
+	BUG_CALL(_OUTCHR);
+	return;
+}
+
+void bug_outstr(char *pstrb, char *pstre)
+{
+	asm volatile ("or r2,r0,%0": : "r" (pstrb) );
+	asm volatile ("or r3,r0,%0": : "r" (pstre) );
+	BUG_CALL(_OUTSTR);
+	return;
+}
+
+void bug_outln(char *pstrb, char *pstre)
+{
+	asm volatile ("or r2,r0,%0": : "r" (pstrb) );
+	asm volatile ("or r3,r0,%0": : "r" (pstre) );
+	BUG_CALL(_OUTLN);
+	return;
+}
+
+/* BUG - disk routines */
+
+/* returns 0: success, nonzero: error */
+int bug_diskrd(bug_dskio *arg)
+{
+	int ret;
+	asm volatile ("or r2,r0,%0": : "r" (arg) );
+	BUG_CALL(_DSKRD);
+	return (!(ret & 0x4));
+}
+/* returns 0: success, nonzero: error */
+int bug_diskwr(bug_dskio *arg)
+{
+	int ret;
+	asm volatile ("or r2,r0,%0": : "r" (arg) );
+	BUG_CALL(_DSKWR);
+	return (!(ret & 0x4));
+}
+#ifdef NOTYET
+bug_diskcfig()
+{
+	
+}
+bug_diskfmt(){}
+bug_diskctrl(){}
+#endif
+
+/* BUG - timing routine */
+
+void bug_delay(int delay_msec)
+{
+	asm volatile ("or r2,r0,%0": : "r" (delay_msec) );
+	BUG_CALL(_DELAY);
+	return ;
+}
+
+/* BUG - return to bug routine */
+
+void bug_return()
+{
+	BUG_CALL(_RETURN);
+	/*NOTREACHED*/
+}
+
+/* BUG - query board routines */
+
+struct bug_brdid *bug_brdid()
+{
+	struct bug_brdid *pbrd_id;
+	BUG_CALL(_BRD_ID);
+	asm volatile ("or %0,r0,r2": "=r" (pbrd_id):);
+	return pbrd_id;
+}
+void bug_rtc_rd(struct bug_time *ptime)
+{
+	asm volatile ("or r2,r0,%0": : "r" (ptime));
+	BUG_CALL(_RTC_RD);
+	return;
+}