[LV-commit] CVS: kernel-2.4/arch/vax/boot head.S,1.3,1.4 tmp_init.c,1.7,1.8

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

Update of /cvsroot/linux-vax/kernel-2.4/arch/vax/boot
In directory usw-pr-cvs1:/tmp/cvs-serv23123/arch/vax/boot

Modified Files:
	head.S tmp_init.c 
Log Message:
Reorganise tmp_start_kernel. max_pfn/hwpfn fixes. update config file.


Index: head.S
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/boot/head.S,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- head.S	2001/02/15 01:26:58	1.3
+++ head.S	2001/02/18 16:42:45	1.4
@@ -267,7 +267,7 @@
     halt
 
 now_on_kstack:
-    calls  $0, tmp_start_kernel # should never return
+    calls  $0, vax_start_kernel # should never return
     halt
 
 msg_loaded:

Index: tmp_init.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/arch/vax/boot/tmp_init.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- tmp_init.c	2001/02/18 12:03:31	1.7
+++ tmp_init.c	2001/02/18 16:42:45	1.8
@@ -83,6 +83,8 @@
 extern struct task_struct *child_reaper;
 
 static int tmp_init(void * unused);
+char *vax_linux_banner="Linux/VAX (lin...@mi...)\n";
+extern void start_kernel(void);
 
 /* This is a transitionary function. When things are finally sorted
  * the only tasks this function will perform will relate to the interaction
@@ -96,8 +98,61 @@
  * ok ive changed my mind. We turn on MM in the asm before we hit C code
  *    (keeps stacks simpler) just like the i386, with a default 8mb system
  *    page table setup (with a 1:1 mapping of system space. 
+ * 
+ * Things that are temporary have a habit of becoming permanent. 
+ * I've renamed from tmp_start_kernel to vax_start_kernel, as convenient
+ * bit of arch-specific C code before starting the main start_kernel 
  */
 
+void vax_start_kernel(void)
+{
+   unsigned long mempages;
+/* this is a temporary command line that allows booting via nfsroot */
+/*
+ * Interrupts are still disabled. Do necessary setups, then
+ * enable them
+ */
+   /* set the number of 4k pages */
+   max_pfn = max_hwpfn/8;
+   
+   printk(vax_linux_banner);
+
+   /* Protect us from interrupt stack overflows */
+   guard_int_stack();
+
+   /* If it is possible to register a console for your
+      machine at this point in the boot sequence, do so
+      in post_vm_init().  Otherwise, implement mv->console_init()
+      which will be called later. */
+   
+   mv->post_vm_init();
+
+   #ifdef __SMP__
+   static int boot_cpu = 1;
+   /* "current" has been set up, we need to load it now */
+    if (!boot_cpu)
+           initialize_secondary();
+           boot_cpu = 0;
+   #endif
+     
+     /*
+      * Interrupts are still disabled. Do necessary setups, then
+      * enable them
+      */
+
+   printk("RPB info:  l_pfncnt: %08x, .l_vmb_version: %08x .l_badpgs: %08x\n",
+                 boot_rpb.l_pfncnt, boot_rpb.l_vmb_version, boot_rpb.l_badpgs);
+
+   printk("Physical memory: %08x HW pagelets, %08x pages  (%dKB)\n", 
+                  max_hwpfn, max_pfn, max_hwpfn/2);
+
+   printk("CPU type: %s, SID: %08x\n", mv->cpu_type_str(), vax_cpu.sid);
+   
+   printk("calling start_kernel...\n");
+   start_kernel();
+
+}
+
 void tmp_start_kernel(void)
 {
    char * command_line;
@@ -107,6 +162,9 @@
  * Interrupts are still disabled. Do necessary setups, then
  * enable them
  */
+   /* set the number of 4k pages */
+   max_pfn = max_hwpfn/8;
+   
    /* Protect us from interrupt stack overflows */
    guard_int_stack();
 
@@ -129,7 +187,6 @@
       * Interrupts are still disabled. Do necessary setups, then
       * enable them
       */
-
    lock_kernel();
    printk(linux_banner);
 
@@ -137,7 +194,7 @@
                  boot_rpb.l_pfncnt, boot_rpb.l_vmb_version, boot_rpb.l_badpgs);
 
    printk("Physical memory: %08x HW pagelets, %08x pages  (%dKB)\n", 
-                  max_pfn, max_pfn/8, max_pfn / 2);
+                  max_hwpfn, max_pfn, max_hwpfn/2);
 
    setup_arch(&command_line);
 
@@ -163,7 +220,6 @@
       memory on the free list */
 
    mem_init();
-   asm("halt");
    kmem_cache_sizes_init();
 
 #ifdef CONFIG_PROC_FS