patch-2.4.4 linux/arch/ia64/kernel/smpboot.c

• Lines: 76
• Date: Thu Apr 5 12:51:47 2001
• Orig file: v2.4.3/linux/arch/ia64/kernel/smpboot.c
• Orig date: Thu Jan 4 15:25:55 2001

diff -u --recursive --new-file v2.4.3/linux/arch/ia64/kernel/smpboot.c linux/arch/ia64/kernel/smpboot.c
@@ -1,74 +1,4 @@
 /*
- * SMP Support
- *
- * Application processor startup code, moved from smp.c to better support kernel profile
  */
 
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/smp.h>
-#include <linux/kernel_stat.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-
-#include <asm/atomic.h>
-#include <asm/bitops.h>
-#include <asm/current.h>
-#include <asm/delay.h>
-#include <asm/efi.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/processor.h>
-#include <asm/ptrace.h>
-#include <asm/sal.h>
-#include <asm/system.h>
-#include <asm/unistd.h>
-
-/* 
- * SAL shoves the AP's here when we start them.  Physical mode, no kernel TR, 
- * no RRs set, better than even chance that psr is bogus.  Fix all that and 
- * call _start.  In effect, pretend to be lilo.
- *
- * Stolen from lilo_start.c.  Thanks David! 
- */
-void
-start_ap(void)
-{
-	extern void _start (void);
-	unsigned long flags;
-
-	/*
-	 * Install a translation register that identity maps the
-	 * kernel's 256MB page(s).
-	 */
-	ia64_clear_ic(flags);
-	ia64_set_rr(          0, (0x1000 << 8) | (_PAGE_SIZE_1M << 2));
-	ia64_set_rr(PAGE_OFFSET, (ia64_rid(0, PAGE_OFFSET) << 8) | (_PAGE_SIZE_256M << 2));
-	ia64_srlz_d();
-	ia64_itr(0x3, 1, PAGE_OFFSET,
-		 pte_val(mk_pte_phys(0, __pgprot(__DIRTY_BITS|_PAGE_PL_0|_PAGE_AR_RWX))),
-		 _PAGE_SIZE_256M);
-	ia64_srlz_i();
-
-	flags = (IA64_PSR_IT | IA64_PSR_IC | IA64_PSR_DT | IA64_PSR_RT | IA64_PSR_DFH | 
-		 IA64_PSR_BN);
-	
-	asm volatile ("movl r8 = 1f\n"
-		      ";;\n"
-		      "mov cr.ipsr=%0\n"
-		      "mov cr.iip=r8\n" 
-		      "mov cr.ifs=r0\n"
-		      ";;\n"
-		      "rfi;;"
-		      "1:\n"
-		      "movl r1 = __gp" :: "r"(flags) : "r8");
-	_start();
-}
-
-
+/* place holder... */