Cleanup after import. This also seems to bring up the current version.

1 files changed, 152 insertions, 0 deletions

diff --git a/sys/arch/mvme88k/include/pcb.h b/sys/arch/mvme88k/include/pcb.h
new file mode 100644
index 00000000000..65437b1718a
--- /dev/null
+++ b/sys/arch/mvme88k/include/pcb.h
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 1996 Nivas Madhur
+ * Mach Operating System
+ * Copyright (c) 1993-1992 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON AND OMRON ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON AND OMRON DISCLAIM ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/* 
+ * Motorola 88100 pcb definitions 
+ *
+ */
+/*
+ */
+#ifndef _PCB_H_
+#define _PCB_H_
+
+/* 
+ * Our PCB is the regular PCB+Save area for kernel frame.
+ * Upon entering kernel mode from user land, save the user context
+ * in the saved_state area - this is passed as the exception frame.
+ * On a context switch, only registers that need to be saved by the
+ * C calling convention and few other regs (pc, psr etc) are saved
+ * in the kernel_state part of the PCB. Typically, trap fames are
+ * save on the stack (by low level handlers or by hardware) but,
+ * we just decided to do it in the PCB.
+ */
+
+/*
+ * This must always be an even number of words long so that our stack
+ * will always be properly aligned (88k need 8 byte alignmet). Also,
+ * place r14 on double word boundary so that we can use st.d while
+ * saving the regs.
+ */
+
+struct m88100_pcb {
+    unsigned pcb_pc;	/* address to return */
+    unsigned pcb_ipl;
+    unsigned pcb_r14;
+    unsigned pcb_r15;
+    unsigned pcb_r16;
+    unsigned pcb_r17;
+    unsigned pcb_r18;
+    unsigned pcb_r19;
+    unsigned pcb_r20;
+    unsigned pcb_r21;
+    unsigned pcb_r22;
+    unsigned pcb_r23;
+    unsigned pcb_r24;
+    unsigned pcb_r25;
+    unsigned pcb_r26;
+    unsigned pcb_r27;
+    unsigned pcb_r28;
+    unsigned pcb_r29;
+    unsigned pcb_r30;
+    unsigned pcb_sp; 	/* kernel stack pointer */
+};
+
+
+/*
+ *	m88100_saved_state	this structure corresponds to the state
+ *				of the user registers as saved on the
+ *				stack upon kernel entry.  This structure
+ *				is used internally only.  Since this
+ *				structure may change from version to
+ *				version, it is hidden from the user.
+ */
+
+/* This must always be an even number of words long */
+
+struct m88100_saved_state {
+    unsigned r[32];
+    unsigned fpsr;
+    unsigned fpcr;
+    unsigned epsr;
+    unsigned sxip;
+    unsigned snip;
+    unsigned sfip;
+    unsigned ssbr;
+    unsigned dmt0;
+    unsigned dmd0;
+    unsigned dma0;
+    unsigned dmt1;
+    unsigned dmd1;
+    unsigned dma1;
+    unsigned dmt2;
+    unsigned dmd2;
+    unsigned dma2;
+    unsigned fpecr;
+    unsigned fphs1;
+    unsigned fpls1;
+    unsigned fphs2;
+    unsigned fpls2;
+    unsigned fppt;
+    unsigned fprh;
+    unsigned fprl;
+    unsigned fpit;
+    unsigned vector;	/* exception vector number */
+    unsigned mask;	/* interrupt mask level */
+    unsigned mode;	/* interrupt mode */
+    unsigned scratch1;	/* used by locore trap handling code */
+    unsigned ipfsr;      /* P BUS status - used in inst fault handling */
+    unsigned dpfsr;      /* P BUS status - used in data fault handling */
+    unsigned pad;	/* alignment */
+};
+
+#define trapframe m88100_saved_state
+
+struct pcb
+{
+  struct m88100_pcb            kernel_state;
+  struct m88100_saved_state    user_state;
+  int	 		       pcb_onfault;	/* for copyin/copyout faults */
+  int	 		       pcb_pad;		/* pad it XXX */
+};
+
+typedef	struct pcb	*pcb_t;		/* exported */
+
+/*
+ *	Location of saved user registers for the proc.
+ */
+#define	USER_REGS(p) \
+	(((struct m88100_saved_state *)  (&((p)->p_addr->u_pcb.user_state))))
+/*
+ * The pcb is augmented with machine-dependent additional data for
+ * core dumps.  Note that the trapframe here is a copy of the one
+ * from the top of the kernel stack (included here so that the kernel
+ * stack itself need not be dumped).
+ */
+struct md_coredump {
+	struct	trapframe md_tf;
+};
+
+#endif  _PCB_H_