[LV-kern-commit] CVS: kernel-2.4/include/asm-vax ucontext.h,NONE,1.1 irq.h,1.2,1.3 ka43.h,1.3,1.4 processor.h,1.8,1.9 ptrace.h,1.2,1.3 sigcontext.h,1.1,1.2 vsa.h,1.4,1.5

[Andy P. <at...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/asm-vax
In directory usw-pr-cvs1:/tmp/cvs-serv1125

Modified Files:
	irq.h ka43.h processor.h ptrace.h sigcontext.h vsa.h 
Added Files:
	ucontext.h 
Log Message:
New mm layer + start of signal handling + misc fixes


--- NEW FILE ---
#ifndef _ASM_VAX_UCONTEXT_H
#define _ASM_VAX_UCONTEXT_H
/* atp Jul 2001, taken from other ports */

struct ucontext {
	unsigned long	  uc_flags;
	struct ucontext  *uc_link;
	stack_t		  uc_stack;
	struct sigcontext uc_mcontext;
	sigset_t	  uc_sigmask;	/* mask last for extensibility */
};

#endif /* _ASM_VAX_UCONTEXT_H */

Index: irq.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/irq.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- irq.h	2001/02/16 00:54:26	1.2
+++ irq.h	2001/07/31 17:33:26	1.3
@@ -18,7 +18,8 @@
 #define NO_IRQ	1023
 #endif
 
-#define INT_STACK_SIZE 8192
+/* atp Jul 01 increased this to three pages - my M38 needs it for some reason */
+#define INT_STACK_SIZE 12288
 
 #ifndef __ASSEMBLY__
 

Index: ka43.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/ka43.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- ka43.h	2001/06/26 19:01:11	1.3
+++ ka43.h	2001/07/31 17:33:26	1.4
@@ -158,5 +158,7 @@
 
 #endif /* __ASSEMBLY */
 
+extern void ka43_diagmem_remap(unsigned long int address, unsigned long int size);
+
 #endif /* __VAX_KA43_H */
 

Index: processor.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/processor.h,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- processor.h	2001/06/10 22:40:09	1.8
+++ processor.h	2001/07/31 17:33:26	1.9
@@ -5,7 +5,7 @@
 #include <asm/pcb.h> 	/* process control block definition */
 #include <asm/page.h>
 #include <asm/vaxcpu.h> /* CPU type definitions */
-
+#include <asm/mm/task.h> /* task memory space defines */
 /*
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").
@@ -25,18 +25,6 @@
 } vax_cpu;
 
 
-/*
- *  * User space process size: 2GB (default).
- *  */
-#define TASK_SIZE       (PAGE_OFFSET)
-
-/* This decides where the kernel will search for a free chunk of vm
- *  * space during mmap's.
- *  */
-/*#define TASK_UNMAPPED_BASE      (TASK_SIZE / 3)*/
-/* Put the MMAP base at 32MB into the process memory space... 
-   we currently allocate 48MB per process */
-#define TASK_UNMAPPED_BASE      (32*1024*1024)
 
 /* from alpha port */
 

Index: ptrace.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/ptrace.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- ptrace.h	2001/01/23 16:51:27	1.2
+++ ptrace.h	2001/07/31 17:33:26	1.3
@@ -1,3 +1,4 @@
+/* ptrace.h linux vax porting team 1998-2001 */
 #ifndef _VAX_PTRACE_H
 #define _VAX_PTRACE_H
 

Index: sigcontext.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/sigcontext.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- sigcontext.h	2001/01/17 16:18:52	1.1
+++ sigcontext.h	2001/07/31 17:33:26	1.2
@@ -5,12 +5,27 @@
 #include <asm/ptrace.h>
 
 
-struct sigcontext_struct {
-	unsigned long	_unused[4];
-	int		signal;
-	unsigned long	handler;
-	unsigned long	oldmask;
-	struct pt_regs 	*regs;
+//struct sigcontext_struct {
+//	unsigned long	_unused[4];
+//	int		signal;
+//	unsigned long	handler;
+//	unsigned long	oldmask;
+//	struct pt_regs 	*regs;
+//};
+
+/* This struct is saved by setup_frame in signal.c, to keep the current context while
+   a signal handler is executed. It's restored by sys_sigreturn.
+   
+   To keep things simple, we use pt_regs here even though normally you just specify
+   the list of regs to save. Then we can use copy_from_user on the entire regs instead
+   of a bunch of get_user's as well...
+
+*/
+
+struct sigcontext {
+	struct pt_regs regs;  /* needs to be first */
+	unsigned long oldmask;
+	unsigned long usp;    /* usp before stacking this gunk on it */
 };
 
 #endif

Index: vsa.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/asm-vax/vsa.h,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- vsa.h	2001/06/17 11:43:45	1.4
+++ vsa.h	2001/07/31 17:33:26	1.5
@@ -30,6 +30,9 @@
 extern int vsbus_disable_int(int bit_nr);
 extern int vsbus_clear_int(int bit_nr);
 extern int vsbus_probe_irq(void);
+extern int vsbus_probe_irq_on(void);
+extern unsigned char vsbus_probe_irq_report(void);
+
 
 
 #define VSA_BASE_REGS 0x20080000